HVAC Guide Specifications
Multi Indoor Unit, Variable Refrigerant Flow
Section 15700 – Mechanical HVAC
Size Range:
6 TO 24 TONS NOMINAL HEAT PUMP
Model Numbers
Ton
6
8
12
14
16
18
20
22
24
Capacity
(Btu/ h)
72,000
96,000
144,000
168,000
192,000
216,000
240,000
264,000
288,000
Model name
AOUA72RLBV
AOUA96RLBV
AOUA144RLBVG
AOUA168RLBVG
AOUA192RLBVG
AOUA216RLBVG
AOUA240RLBVG
AOUA264RLBVG
AOUA288RLBVG
1.01
SYSTEM DESCRIPTION
The variable capacity heat pump air conditioning system shall be a Fujitsu Airstage VII.
The Heat Pump system shall consist of AOUA outdoor units, multiple indoor units, and
Fujitsu DDC (Direct Digital Controls). Each indoor unit or group of indoor units shall be
independently controlled. The sum of connected capacity of all indoor air handlers shall
range from 50% to 130% of outdoor rated capacity.
1.02
QUALITY ASSURANCE
A.
The units shall be listed by Electrical Laboratories (ETL) and bear the ETL label.
B.
All wiring shall be in accordance with the National Electrical Code (N.E.C.).
C.
The units shall be manufactured in a facility registered to ISO 9001 and
ISO14001 which is a set of standards applying to environmental protection set by the
International Standard Organization (ISO).
D.
A full charge of R-410A for the condensing unit only shall be provided in the
condensing unit.
1.03
DELIVERY, STORAGE AND HANDLING
A.
Unit shall be stored and handled according to the manufacturer’s
recommendation.
Part 2 – Warranty
2.01 The units shall be covered by the manufacturer’s limited warranty for a period of
one (1) year on parts and 2 years on the compressor from date of installation.
The units shall be covered by an extended manufacturer’s limited warranty for a period
of five (5) on parts and 7 years on the compressor from date of installation, provided
If the systems are:
1) designed by a certified AIRSTAGE VII Designer,
2) installed by a certified AIRSTAGE VII Dealer, AND
3) verified with a completed commissioning report submitted to Fujitsu Service
Department.
If, during this period, any part should fail to function properly due to defects in
workmanship or material, it shall be replaced or repaired at the discretion of the
manufacturer.
This warranty shall not include labor.
2.02 Manufacturer shall have a minimum of twelve years of HVAC experience in the
U.S. market
2.03 The AIRSTAGE VII system shall be installed by a Fujitsu authorized AIRSTAGE
VII Dealer with extensive AIRSTAGE VII installation and service training. The
mandatory contractor service and installation training should be performed by the
manufacturer.
Part 3 – Outdoor Units
3.01
Heat Pump Outdoor Unit
A.
General:
The Fujitsu Airstage VII Heat Pump AOUA outdoor unit shall be specifically used with
AIRSTAGE VII components. The AOUA outdoor units shall be equipped with multiple
circuit boards that interface to the Fujitsu DDC controls system and shall perform all
functions necessary for operation. Each outdoor unit module shall be completely
factory assembled, piped, wired and run tested at the factory.
1.
The model nomenclature and unit requirements are shown below. All units
requiring a factory supplied Outdoor Branch Kit shall be piped together in the field,
without the need for equalizing line(s). If an alternate manufacturer is selected, any
additional material, cost, and labor to install additional lines shall be incurred by the
contractor.
208/230 Volt
Model Number
AOUA72RLBV
AOUA96RLBV
AOUA144RLBVG
AOUA168RLBVG
AOUA192RLBVG
AOUA216RLBVG
AOUA240RLBVG
AOUA264RLBVG
AOUA288RLBVG
Units
1
1
2
2
2
3
3
3
3
Outdoor
Branch Kit
None
None
UTR-CP567X
UTR-CP567X
UTR-CP567X
UTR-CP567X
UTR-CP567X
UTR-CP567X
UTR-CP567X
2.
Outdoor unit shall have a sound rating no higher than 61 dB(A) individually or 65
dB(A) twinned. Units shall have a sound rating no higher than 50 dB(A) individually or
55 dB(A) twinned while in Low Noise Mode operation. If an alternate manufacturer is
selected, any additional material, cost, and labor to meet published sound levels shall
be incurred by the contractor.
3.
Outdoor unit shall be able to connect to up to 45 indoor units depending upon
model.
4.
Both refrigerant lines from the outdoor unit to indoor units shall be insulated.
5.
The outdoor unit shall have an accumulator with refrigerant level sensors and
controls.
6.
The outdoor unit shall have a high pressure safety switch, over-current protection
and DC bus protection.
7.
The outdoor unit shall have the ability to operate with a maximum height
difference of 164 feet and have a total refrigerant tubing length of 3,280 feet. The
greatest length is not to exceed 492 feet between the outdoor unit and the indoor units
without the need for line size changes or traps.
8.
The outdoor unit shall be capable of operating in heating mode down to -4F
ambient temperature or cooling mode down to 5F ambient temperature for single
outdoor unit installations and 23F for multiple outdoor unit installations, without
additional low ambient controls. If an alternate manufacturer is selected, any additional
material, cost, and labor to meet low ambient operating condition and performance shall
be incurred by the contractor.
9.
The outdoor unit shall have a high efficiency oil separator plus additional logic
controls to ensure adequate oil volume in the compressor is maintained.
B.
1.
Unit Cabinet:
The casing(s) shall be fabricated of painted galvanized steel.
C.
Fan:
1.
Each outdoor unit module shall be furnished with one direct drive, variable speed
propeller type fan.
2.
The fan shall have a high performance DC motor.
3.
The fan motor shall have inherent protection, have permanently lubricated
bearings, and be completely variable speed.
4.
The fan shall be factory set for operation under 0 in. WG external static
pressure, but capable of normal operation under a maximum of 0.32 in. Outdoor unit
external static pressure set via Outdoor Unit Function Setting or with a dip switch in the
outdoor unit.
5.
The fan motor shall be mounted for quiet operation.
6.
The fan shall be provided with a raised guard to prevent contact with moving
parts.
7.
The outdoor unit shall have vertical discharge airflow.
D.
1.
Refrigerant
R410A refrigerant shall be required for AOUA outdoor unit systems.
E.
Coil:
1.
The outdoor coil shall be of nonferrous construction with corrugated plate fins on
copper tubing.
2.
The coil fins shall have a factory applied corrosion resistant blue-fin finish.
3.
The coil shall be protected with an integral metal guard.
4.
Copper tubing used for heat exchanger shall have internal spiral grooves for
improved heat transfer.
F.
Compressor:
1.
Each outdoor unit module shall be equipped with one inverter driven twin rotary
hermetic compressor. Non inverter-driven compressors shall not be allowed.
2.
A crankcase heater shall be factory mounted on the compressor.
3.
The outdoor unit compressor shall have an inverter to modulate capacity. The
capacity shall be completely variable with a turndown of 30%-100% of rated capacity,
depending upon unit size.
4.
The compressor shall be equipped with an internal thermal overload.
5.
The compressor shall be mounted to avoid the transmission of vibration.
G.
Electrical:
1.
The outdoor unit electrical power shall be 208/230 volt, 3-phase, 60 hertz.
2.
The unit shall be capable of satisfactory operation within voltage limitations of
187-228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
H.
Control
1.
The outdoor unit shall be controlled by integral microprocessors.
2.
The control circuit between the indoor units and the outdoor unit shall be
completed using a 22 AWG, 2-conductor, Solid Core, non-polar twisted pair shielded
LON Compatible cable to provide total integration of the system.
3.
The control circuit between outdoor units on the same refrigerant circuit shall be
completed using a 22 AWG, 2-conductor, Solid Core, non-polar twisted pair shielded
LON Compatible cable.
4.
The control circuit between master outdoor units on different refrigerant circuits
shall be completed using a 22 AWG, 2-conductor, Solid Core, non-polar twisted pair
shielded LON Compatible cable.
Part 4 – Indoor Units
4.01
Compact Wall Mounted and Wall Mounted Indoor Units (ASUA)
A.
General:
1.
The ASUA shall be a wall-mounted indoor unit section and shall have a
modulating Electronic Expansion Valve (EEV). The ASUA shall be used with the AOUA
Heat Pump Outdoor Unit. The ASUA shall support individual control using Fujitsu DDC
controllers.
2.
The indoor unit shall be factory assembled, wired and run tested. Contained
within the unit shall be all factory wiring, piping, electronic modulating Electronic
Expansion Valve (EEV), control circuit board and fan motor.
3.
The unit shall have an auto restart function.
C.
Unit Cabinet:
1.
The casing shall have a white finish.
2.
Multi directional drain and refrigerant piping offering four (4) directions for
refrigerant piping and four (4) directions for draining shall be standard.
3.
There shall be a separate back plate which secures the unit firmly to the wall.
D.
Fan:
1.
The indoor fan shall be an assembly with one or two line-flow fan(s) direct driven
by a single motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
A manual adjustable guide vane shall be provided with the ability to change the
airflow from side to side (left to right) in 18 MBH and 24 MBH units.
4.
A motorized air sweep louver shall provide an automatic change in airflow by
directing the air up and down to provide uniform air distribution.
E.
1.
Filter:
Return air shall be filtered by means of an easily removable, washable filter.
F.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
6.
A condensate pan and drain shall be provided under the coil.
Both refrigerant lines to the ASUA indoor units shall be insulated.
G.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1-phase and 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz)
H.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
4.02
Compact Cassette Indoor Unit (AUUA)
A.
General:
1.
The AUUA shall be a four-way cassette style indoor unit that recesses into the
ceiling with a ceiling grille. The AUUA shall be used with the AOUA Heat Pump Outdoor
Unit. The ASUA shall support individual control using Fujitsu DDC controllers.
2.
The indoor unit shall be factory assembled, wired and run tested. Contained
within the unit shall be all factory wiring, piping, electronic modulating Electronic
Expansion Valve (EEV), control circuit board and fan motor.
3.
The unit shall have an auto restart function.
B.
Unit Cabinet:
1.
The cabinet shall be a compact 22-7/16” wide x 22-7/16” deep so it will fit within a
standard 24” square suspended ceiling grid.
2.
The unit shall have provisions for a field installed filtered outside air intake.
3.
Four-way grille shall be fixed to bottom of cabinet allowing two, three or four-way
blow.
C.
Fan:
1.
The indoor fan shall be an assembly with a turbo fan direct driven by a single
motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
The indoor fan shall consist of three (3) speeds, Low, Mid, and High.
4.
The fan shall have a selectable Auto fan setting that will adjust the fan speed
based on the difference between controller set-point and space temperature.
5.
The indoor unit vanes shall have 4 fixed positions and a swing feature that shall
be capable of automatically swinging the vanes up and down for uniform air distribution.
6.
The indoor unit shall have an adjustable air outlet system offering 4-way airflow,
3-way airflow, or 2-way airflow.
D.
1.
Filter:
Return air shall be filtered by means of a long-life washable filter.
E.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
A condensate pan and drain shall be provided under the coil.
6.
The unit shall be provided with an integral condensate lift mechanism that will be
able to raise drain water 27 1/2” inches above the bottom of the unit.
7.
Both refrigerant lines to the AUUA indoor units shall be insulated.
F.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1-phase, 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
G.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
4.03
Ceiling Cassette Indoor Unit (AUUB)
A.
General:
1.
The AUUB shall be a four-way cassette style indoor unit that recesses into the
ceiling with a ceiling grille. The indoor unit shall be factory assembled, wired and run
tested. The AUUB shall be used with the AOUA Heat Pump Outdoor Unit. The ASUA
shall support individual control using Fujitsu DDC controllers.
2.
Contained within the unit shall be all factory wiring, piping, electronic modulating
Electronic Expansion Valve (EEV), control circuit board and fan motor.
3.
The unit shall have an auto restart function.
4.
Indoor unit and refrigerant pipes shall be charged with dehydrated air before
shipment from the factory.
B.
Unit Cabinet:
1.
The cabinet shall be space-saving ceiling-recessed cassette.
2.
The cabinet panel shall have provisions for a field installed filtered outside air
intake.
3.
Branch ducting shall be allowed from cabinet.
4.
Four-way grille shall be fixed to bottom of cabinet allowing two, three or four-way
blow.
5.
The grille vane angles shall be individually adjustable from the Wired Remote
Controller to customize the airflow pattern for the conditioned space.
C.
Fan:
1.
The indoor fan shall be an assembly with a turbo fan direct driven by a single
motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
The indoor fan shall consist of three (3) speed settings, Low, Mid and High.
4.
The fan shall have a selectable Auto fan setting that will adjust the fan speed
based on the difference between controller set-point and space temperature.
5.
The indoor unit shall have an adjustable air outlet system offering 4-way airflow,
3-way airflow, or 2-way airflow.
6.
The indoor unit shall have switches that can be set to provide optimum airflow
based on ceiling height and number of outlets used.
7.
The indoor unit vanes shall have 4 fixed positions and a swing feature that shall
be capable of automatically swinging the vanes up and down for uniform air distribution.
8.
The vanes shall have an Auto-Wave selectable option in the heating mode that
shall randomly cycle the vanes up and down to evenly heat the space.
D.
1.
Filter:
Return air shall be filtered by means of a long-life washable filter
E.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
A condensate pan and drain shall be provided under the coil.
6.
The unit shall be provided with an integral condensate lift mechanism that will be
able to raise drain water 33 inches above the bottom of the unit.
7.
Both refrigerant lines to the AUUB indoor units shall be insulated.
F.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1-phase, 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
G.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
4.04
Slim Compact Duct Indoor Unit (ARUL)
A.
General:
1.
The ARUL Slim Compact Duct Unit shall be a ceiling-concealed ducted indoor
fan coil that mounts above the ceiling with a rear return and a fixed horizontal discharge
supply and shall have a modulating Electronic Expansion Valve (EEV). The ARUL shall
be used with AOUA Heat Pump outdoor unit. The ARUL shall support individual control
using Fujitsu DDC controllers.
2.
ARUL Slim Compact Duct models shall have an extremely compact profile (77/8”) which requires minimal ceiling space. ARUL models shall feature external static
pressure settings up to 0.35 in. WG.
3.
The ARUL unit shall also have the ability to operate both horizontally and
vertically.
4.
The indoor unit shall be factory assembled, wired and run tested. Contained
within the unit shall be all factory wiring, piping, electronic modulating Electronic
Expansion Valve (EEV), control circuit board and fan motor.
5.
The unit shall have an auto restart function.
B.
1.
Unit Cabinet:
The cabinet shall be space saving, low profile, ceiling-concealed ducted.
C.
Fan:
1.
The indoor unit fan shall be an assembly with one Sirocco fan direct driven by a
single motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
The indoor fan shall consist of three (3) speeds, High, Mid, and Low.
4.
The indoor unit shall have a ducted air outlet system and ducted return air
system.
D.
Filter:
1.
Return air shall be filtered by means of a standard factory installed return air
filter.
E.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
A condensate pan and drain shall be provided under the coil.
6.
The unit shall be provided with an integral condensate lift mechanism able to
raise drain water 21 inches above the condensate pan.
7.
The unit shall have a curved condensate pan that enables the unit to be installed
in a vertical configuration.
8.
Both refrigerant lines to the ARUL indoor units shall be insulated.
E.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1 phase, 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
F.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
4.05
Duct Indoor Unit (ARUM)
A.
General:
1.
The ARUM Low Static Pressure Duct/Duct unit shall be a ceiling concealed
ducted indoor fan coil that mounts above the ceiling with a fixed rear return and a
horizontal discharge supply, and shall have a modulating Electronic Expansion Valve
(EEV).
2.
The ARUM shall be used with the AOUA Heat Pump outdoor unit.
3.
The ARUM shall support individual control using Fujitsu DDC controllers.
4.
ARUM Low Static Pressure Duct/Duct models shall feature external static
pressure settings up 0.60 in. WG.
5.
The indoor unit shall be factory assembled, wired and run tested. Contained
within the unit shall be all factory wiring, piping, electronic modulating Electronic
Expansion Valve (EEV), control circuit board and fan motor.
6.
The unit shall have an auto restart function.
B.
Unit Cabinet:
1.
The cabinet shall be ceiling-concealed, ducted.
2.
The cabinet panel shall have provisions for a field installed filtered outside air
intake.
C.
Fan:
1.
The indoor unit fan shall be an assembly with one or two Sirocco fan(s) direct
driven by a single motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
The indoor unit shall have a ducted air outlet system and ducted return air
system.
D.
1.
Filter:
Return air shall be filtered by a field-supplied filter.
E.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
A condensate pan and drain shall be provided under the coil.
6.
7.
The condensate shall be gravity drained from the fan coil.
Both refrigerant lines to the ARUM indoor units shall be insulated.
F.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1-phase, 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
H.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
4.06
High Static Pressure Duct Indoor Unit (ARUH)
A.
General:
1.
The ARUH (High Static Pressure Duct) unit shall be a ceiling concealed ducted
indoor fan coil that mounts above the ceiling with a fixed rear return and a horizontal
discharge supply, and shall have a modulating Electronic Expansion Valve (EEV).
2.
The ARUH shall be used with the AOUA Heat Pump outdoor unit. The ARUH
shall support individual control using Fujitsu DDC controllers.
3.
ARUH (HIGH STATIC Pressure Duct) models shall feature external static
pressure settings up 1.20 in. WG.
4.
The indoor unit shall be factory assembled, wired and run tested. Contained
within the unit shall be all factory wiring, piping, electronic modulating Electronic
Expansion Valve (EEV), control circuit board and fan motor.
5.
The unit shall have an auto restart function.
B.
Unit Cabinet:
1.
The cabinet shall be ceiling-concealed, ducted.
2.
The cabinet panel shall have provisions for a field installed filtered outside air
intake.
C.
Fan:
1.
The indoor unit fan shall be an assembly with one or two Sirocco fan(s) direct
driven by a single motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
The indoor unit shall have a ducted air outlet system and ducted return air
system.
D.
1.
Filter:
Return air shall be filtered by a field-supplied filter.
E.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
A condensate pan and drain shall be provided under the coil.
6.
7.
The condensate shall be gravity drained from the fan coil.
Both refrigerant lines to the ARUH indoor units shall be insulated.
F.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1-phase and 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
G.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
4.07
Universal Floor/Ceiling and Ceiling Indoor Unit (ABUA)
A.
General:
1.
The ABUA shall consist of a Universal Floor/Ceiling mount or Ceiling mount
indoor section that can be suspended from the ceiling, placed low on the wall or rested
on the floor.
2.
The ABUA shall be used with theAOUA Heat Pump outdoor unit. The ABUA shall
support individual control using Fujitsu DDC controllers.
3.
The indoor unit shall be factory assembled, wired and run tested. Contained
within the unit shall be all factory wiring, piping, electronic modulating Electronic
Expansion Valve (EEV), control circuit board and fan motor.
4.
The unit shall have an auto restart function.
B.
1.
Unit Cabinet,
The casing shall have a white finish.
C.
Fan:
1.
The indoor unit fan shall be an assembly with one or two Sirocco fan(s) direct
driven by a single motor.
2.
The indoor fan shall be statically and dynamically balanced to run on a motor
with permanently lubricated bearings.
3.
The indoor fan shall consist of three (3) speeds Low, Med and High.
D.
1.
Filter:
Return air shall be filtered by means of an easily removable washable filter.
E.
Coil:
1.
The indoor coil shall be of nonferrous construction with louvered fins on copper
tubing.
2.
The tubing shall have inner v grooves for high efficiency heat exchange.
3.
All tube joints shall be brazed with phos-copper or silver alloy.
4.
The coils shall be pressure tested at the factory.
5.
A condensate pan and drain shall be provided under the coil.
6.
Both refrigerant lines to the ABUA indoor units shall be insulated.
F.
Electrical:
1.
The unit electrical power shall be 208/230 volts, 1-phase and 60 hertz.
2.
The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
G.
Controls:
1.
This unit shall use controls provided by Fujitsu to perform functions necessary to
operate the system.
Part 5 – Controls
5.01
Overview
A.
General:
1.
The AIRSTAGE VII Controls shall be capable of supporting remote controllers,
system controllers, centralized controllers, an integrated web based interface, graphical
user workstation, and system integration to Building Management Systems via
BACnet® and LonWorks®.
5.02
Electrical Characteristics
A.
Wiring:
1.
Controller power and communications shall be via a common non-polar
communications bus.
2.
Control wiring shall be installed in a system daisy chain configuration from indoor
unit to indoor unit and to the outdoor unit.
3.
Control wiring to remote controllers shall be run from the indoor unit terminal
block to the controller associated with that unit.
4.
The remaining associated indoor units for a remote controller are to be
connected in a daisy chain configuration.
5.
Control wiring for System Controllers, Touch Screen Controllers and Centralized
Controllers shall be installed in a daisy chain configuration at any point on the
Transmission line from the indoor units to the outdoor units.
6.
Control wiring the remote controller to the first associated indoor unit then to the
remaining associated indoor units in a daisy chain configuration.
B.
Wiring type:
1.
Wiring shall be 22AWG LEVEL 4 (NEMA) non-polar 2core, twisted pair solid core
diameter 0.65mm Lon Compatible Cable, as defined by the Design Simulator AutoCAD
output.
5.03 AIRSTAGE VII Controls Network
1.
The AIRSTAGE VII Controls Network consists of remote controllers, system
controllers, centralized controllers, and/or integrated web based interface
communicating over a high-speed communication bus.
2.
The AIRSTAGE VII Controls Network shall support operation monitoring,
scheduling, error email distribution, electricity charge apportionment, online
maintenance support, and integration with Building Management Systems (BMS) using
either LonWorks® or BACnet® interfaces.
5.04
Remote Controllers
A.
Wired Remote Controller (UTY-RNKU)
1.
The Wired Remote Controller (UTY-RNKU) shall be capable of controlling up to
16 indoor units (defined as 1 group).
2.
The Wired Remote Controller shall be approximately 5” x 5” in size and white in
color with a light-green LCD display.
3.
The Wired Remote Controller shall support a selection from multiple languages
(English, Chinese, French, German, Polish, Spanish & Russian) for display information.
4.
The Wired supports temperature display selection of Fahrenheit or Celsius. The
Wired Remote Controller shall control the following grouped operations: On/Off,
Operation Mode (cool, heat, auto, and dry), temperature set point, fan speed setting,
and airflow direction setting.
5.
The Wired Remote Controller shall support timer settings of on/off/temperature
up to 2 times in a day. The Wired Remote Controller shall support an Auto Off timer.
6.
The Wired Remote Controller shall be able to limit the set temperature range.
7.
The room temperature shall be sensed at either the Wired Remote Controller or
the Indoor Unit dependent on the indoor unit.
8.
The Wired Remote Controller shall display a four-digit error code in the event of
system abnormality/error.
9.
The Wired Remote Controller shall only be used in the same group with other
Wired Remote Controllers and Simple Wired Remotes, with up to two remote controllers
per group.
10.
The Wired Remote Controller shall require no addressing.
11.
The Wired Remote Controller shall connect using three-wire, stranded, non-polar
control wire.
B.
Simple Wired Remote Controller w/ Operation Mode Button (UTY-RSKU)
1.
The Simple Wired Remote Controller (UTY-RSKU) shall be capable of controlling
up to 16 indoor units (defined as 1 group).
2.
The Simple Wired Remote Controller shall be compact in size, approximately 3” x
5” and have limited user functionality.
3.
The Simple Wired supports temperature display selection of Fahrenheit or
Celsius.
4.
The Simple Wired Remote Controller shall allow the user to change on/off, mode
(cool, heat, auto, dry, and fan), temperature setting, and fan speed setting.
5.
The Simple Wired Remote Controller shall be able to limit the set temperature
range from the Simple Wired Remote Control.
6.
The Simple Wired Remote Controller shall display a four-digit error code in the
event of system abnormality/error.
7.
The Simple Wired Remote Controller shall only be used in same group with
WIRED REMOTE CONTROLLER (Wired Remote Controllers), or with other UTY-RSKU
(Simple Wired Remote Controllers), with up to two remote controllers per group.
8.
The Simple Wired Remote Controller shall require no addressing.
9.
The Simple Wired Remote Controller shall connect using three-wire, stranded,
non-polar control wire.
10.
The UTY-RSKU shall require cross-over wiring for grouping across indoor units.
C.
Simple Wired Remote Controller w/o Operation Mode Button (UTY-RHKU)
1.
The Simple Wired Remote Controller (UTY-RHKU) shall be capable of controlling
up to 16 indoor units (defined as 1 group).
2.
The Simple Wired Remote Controller shall be compact in size, approximately 3” x
5” and have limited user functionality.
3.
The Simple Wired supports temperature display selection of Fahrenheit or
Celsius. The Simple Wired Remote Controller shall allow the user to change on/off,
temperature setting, and fan speed setting.
4.
The Simple Wired Remote Controller shall be able to limit the set temperature
range from the Simple Wired Remote Control.
5.
The Simple Wired Remote Controller shall display a four-digit error code in the
event of system abnormality/error.
6.
The Simple Wired Remote Controller shall only be used in same group with
WIRED REMOTE CONTROLLER (Wired Remote Controllers), or with other UTY-RHKU
(Simple Wired Remote Controllers), with up to two remote controllers per group.
7.
The Simple Wired Remote Controller shall require no addressing.
8.
The Simple Wired Remote Controller shall connect using three-wire, stranded,
non-polar control wire.
9.
The UTY-RHKU shall require cross-over wiring for grouping across indoor units.
D.
Wireless Remote Controller (UTY-LNHU)
1.
The Wireless Remote Controller (UTY-LNHU) shall be capable of controlling up
to 16 indoor units (defined as 1 group).
2.
The Simple Wired Remote Controller shall be compact in size, approximately 3” x
5” and have limited user functionality.
3.
The Wireless Remote Controller supports temperature display selection of
Fahrenheit or Celsius. The Simple Wired Remote Controller shall allow the user to
change on/off, temperature setting, and fan speed setting.
4.
The Wireless Remote Controller shall display a four-digit error code in the event
of system abnormality/error.
5.
The Wireless Remote Controller shall only be used in same group with Wired
Remote Controllers or Simple Wired Remote Controllers, with up to two remote
controllers per group.
6.
The Wireless Remote Controller shall require no addressing.
5.05
Centralized Controllers
A.
Touch Panel Controller (UTY-DTGY)
1.
The Touch Panel Controller shall be capable of controlling a maximum of 400
indoor units across multiple AIRSTAGE VII outdoor units (Max 100).
2.
The Touch Panel Centralized Controller shall be approximately 9-1/2”x10”.
3.
The Touch Panel Controller shall support operation superseding that of the
remote controllers, system configuration, daily/weekly scheduling, monitoring of
operation status, and malfunction monitoring.
4.
The Touch Panel Controller shall have five basic operation controls which can
be applied to an individual indoor unit, a group of indoor units (up to 400 indoor units),
or all indoor units (collective batch operation).
5.
This basic control set of operation controls for the Touch Panel Controller shall
include on/off, operation mode selection (cool, heat, auto, dry, and fan), temperature
setting, fan speed setting, and airflow direction setting.
6.
Since the Touch Panel Controller provides centralized control it shall be able to
enable or disable operation of local remote controllers.
7.
The Touch PanelController shall allow the user to define daily, weekly and
annual schedules with operations consisting of ON/OFF, mode selection, temperature
setting, vane direction, fan speed, and permit/prohibit of remote controllers.
8.
All Touch Panel Controllers shall be equipped with USB port to support data
import and export.
9.
The Touch Panel Controller shall be capable of performing initial settings via the
7 1/2” high-resolution, backlit and color touch panel on the controller or imported in CSV
format via the USB connection.
B.
Central Remote Controller (UTY-DCGY)
1.
The Central Remote Controller shall be capable of controlling a maximum of 400
indoor units across multiple AIRSTAGE VII outdoor units (Max 100).
2.
The Central Remote Controller shall support operation superseding that of the
remote controllers, system configuration, daily/weekly scheduling, monitoring of
operation status, and malfunction monitoring.
3.
The Central Remote Controller shall have five basic operation controls which
can be applied to an individual indoor unit, a group of indoor units (up to 100 indoor
units), or all indoor units (collective batch operation).
4.
This basic control set of operation controls for the Central Remote Controller
shall include on/off, operation mode selection (cool, heat, auto, dry, and fan),
temperature setting, fan speed setting, and airflow direction setting.
5.
Since the Central Remote Controller provides centralized control it shall be able
to enable or disable operation of local remote controllers.
6.
The Central Remote Controller has external input / output contacts.
7.
Available in 7 different languages: English, Chinese, French, German, Spanish,
Russian, and Polish.
C.
System Controller (UTY-APGX)
1.
The Graphical User Workstation Software (SYSTEM CONTROLLER) shall
require a field supplied PC.
2.
The System Controller is advanced monitoring and control for Fujitsu Airstage VII
VRF systems.
3.
A maximum of 4 network systems comprised of 1,600 indoor units and up to 400
outdoor units can be controlled.
4.
The various functions of the System Controller are central remote control,
electricity charge calculation, schedule management, and energy saving function.
5.
The System Controller provides a graphical view of site, building and floor layout
just as they are located in the actual sites. Unit status can be monitored at a glance.
6.
Control can also be performed from various views as individual unit or as a whole
site, building or a whole floor.
7.
User defined groups are neatly arranged so as to be easy to find, monitor and
operate.
8.
Tenant electricity use billing is apportioned according to the accumulated
operation time and indoor unit operating conditions.
9.
This systems allows accounting for special rates (e.g., for night or weekend use).
Calculations can be printed as final bills.
10.
Annual schedules can be set for each remote controller group / user defined
group.
11.
Start / stop, operation mode, remote controller prohibition, and temperature
settings can be recorded up to 143 times per day at 10 minute intervals for up to 101
configurations for each remote controller group.
12.
The system allows programming of special settings for holidays for a complete
year.
13.
Error notification is available through popup messages, audible sounds and email when error occurs. Errors for the past 1 year are logged and can be reviewed
later.
14.
System Controller also displays the history of operation status and errors.
15.
Optional Energy Manager Software provides energy saving operation
considering comfort by economy setting, temperature set point limitation, etc.
16.
System controller may be used on site or remotely over various networks for
remote central control. System controller requires server and client programs working
together. Server program runs in the background and communicate with VRF System.
Client program provides user interface and communication with the server. Server and
client program may run in a single PC or in different PCs separated by network. Both
server and client programs run when using System Controller on site. System Controller
can be managed remotely over the internet using client program. Server programs run
in VRF sites, and client programs run in remote sites with users.
5.06 Web Monitoring Tool (UTY-AMGX)
1.
The Web Monitoring Tool is a Service & Maintenance tool for Fujitsu VRF
products.
2.
This tool is used for checking the refrigerant cycle and operation status of VRF
systems.
3.
The Web monitoring tool can be used at the location where the VRF system is
installed or remotely via the web.
4.
The Web Monitoring Tool can be used to carry out the commissioning of the VRF
system.
5.
The Web Monitoring Tool can immediately send information on VRF system
failures locally or by E-mail.
6.
Troubleshooting can be performed by monitoring each unit remotely.
7.
Monitoring site computer is not required to install special software, requires only
Internet Explorer.
8.
Operation status can be checked and analyzed at the monitoring site.
9.
Operation status and various sensor information can be monitored and checked
real time in the form of a list, refrigerant circuit diagram, and graphically as well. Data
can be remotely downloaded, and this data can be displayed in off-line mode of the
service tool.
10.
Error notification can be automatically transmitted to several locations using the
internet.
11.
A USB adaptor (max. 4 adaptors per PC) can permit control and monitoring of
up to 1600 units. Wed Monitoring is suitable for large-scale buildings or hotels.
12.
The Web Monitoring Tool Software shall require a field supplied PC.
5.07
Fujitsu Airstage VII LonWorks® Integration
The Fujitsu Airstage VII Controls Network shall be capable of supporting integration with
Building Management Systems (BMS) via our LonWorks® interface.
A.
Network Converter for LonWorks® ( UTY-VLGX)
1.
The UTY-VLGX permits central monitoring and control of a VRF network system
through a LonWorks open network connection.
2.
This interface is for small and medium sized BMS and VRF Networks.
3.
Up to 128 Indoor units can be connected to one Network Convertor for
LonWorks®.
5.08 Fujitsu Airstage VII I BACnet® ntegration
The Fujitsu Airstage VII Controls Network shall be capable of supporting integration with
Building Management Systems (BMS) via our BACnet® interface.
A.
BACnet® Gateway (UTY-ABGX)
1.
The Fujitsu Airstage VII VRF network system can be incorporated into a Building
Management System.
2.
The Gateway enables central control of up to 1,600 indoor units through BACnet,
a global standard for open networks.
3.
The unit conforms to ANSI / ASHRAE Standards 135-2004 for Application
Specific Controller (B-ASC) BACnet / IP over Ethernet.
4.
The BACnet Gateway connects up to 4 VRF network systems (1,600 indoor units
/ 400 outdoor units) per gateway.
5.
The BACnet® Gateway is Certified by BTL.
6.
The BACnet® Gateway Software shall require a field supplied PC.
7.
VRF network system can be connected to BACnet Gateway PC via U10 USB
interface adaptor, which is field supplied.
5.09
Network Converter for HFI and Halcyon Integration (UTY-VGGXZ1)
1.
The Fujitsu Airstage Controls Network shall have the capability of controlling and
monitoring the HFI and Halcyon units through the use of a Network Converter.
2.
The Netwirk Converter shall have the capability of controlling and monitoring HFI
and Halcyon units through the Centralized Controller, Touch Screen Controller, System
Controller, LonWorks Network Converter and BacNET Interface.