SAMSUNG Electronics HVAC
SAMSUNG 4-WAY CASSETTE SINGLE ZONE SPLIT SYSTEMS
HVAC Guide Specifications
MOST CURRENT VERSION AVAILABLE AT:
www.Quietside.com
www.SamsungDVM-S.com
Single zone heat pump systems.
Samsung Electronics Single Zone 4-Way Cassette Model Numbers:
Model
Indoor Unit
Outdoor Unit
CH070CAV1
CH070CAV1
UH070CAV1
CH105CAV
CH105CAV
UH105CAV
CH140CAV
CH140CAV
UH140CAV
Part 1 – General
1.01
SYSTEM DESCRIPTION
The variable capacity, heat pump air conditioning system shall be a Samsung
Electronics System. The systems shall be (cool/heat) split system heat pump.
The heat pump system shall consist of a single outdoor condensing unit, single indoor
unit, and wired controller.
The condensing shall be a horizontal discharge, 208/230V, 1Ph, 60Hz unit.
The evaporator shall be recessed, ceiling cassette type.
1.02
A.
B.
C.
QUALITY ASSURANCE
The units shall be listed by Electrical Laboratories (ETL) and bear the ETL label.
All wiring shall be in accordance with the National Electrical Code (N.E.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. Additional refrigerant is required based on lengths of system liquid
refrigerant lines.
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SAMSUNG Electronics HVAC
Part 2 – Warranty
LIMITED WARRANTY SAMSUNG Air Conditioning Mini-Split Heat Pumps
manufactured after 1/2006
1. LIMITED WARRANTY – SAMSUNG Air Conditioning warrants to the original end-user (“you”) of SAMSUNG
Mini-Split Heat Pumps, the “Product” as follows:
(a) If within Five (5) years after initial installation of the Product, the compressor ONLY in the Product shall prove
to be defective in material or workmanship, SAMSUNG will replace the defective compressor at no charge.
(b) If within Three (3) years after initial installation of the Product, ANY OTHER component/part of the Product
shall prove to be defective in material or workmanship, SAMSUNG will at SAMSUNG’s option, repair or replace
the defective part at no charge for the part.
(c) If you are unable to prove the date of initial installation of the Product to the satisfaction of SAMSUNG, the
th
warranty period shall be deemed to commence on the 30 day after the date of manufacture of the Product.
(d) The warranty on the replacement compressor and replacement parts will be limited to the unexpired term of
the original warranty for the Product.
1. CONDITIONS – The warranty applies only if the Product: (a) was initially installed within the continental
United States, Hawaii or Canada and remains at the site of its original installation (except for mobile home
installations); and (b) was installed and operated and maintained in accordance with all written instructions,
all applicable local installation and building codes, and good industry practices.
2. LIMITED LABOR WARRANTY: The above warranty applies with respect to parts only and NOT labor.
Accordingly, subject to the conditions and limitations set forth herein, the above warranty entitles the
Customer only to receive a repaired or replacement part, shipped via SAMSUNG’s choice of carrier and way
and not to the installation of said part. However for a period of 120 (One Hundred & Twenty) Days from
proven date of installation in the above warranty period SAMSUNG will provide labor services to repair a
product or install repair or replacement parts at its designated repair facilities, or at its option, compensate
its authorized dealers and contractors at SAMSUNG standard fixed rates in effect (irrespective of charges
actually imposed and time actually expended) to provide such services. This limited labor warranty covers
only the installation of parts or repair of the unit, not diagnosis of fault, time taken to obtain such parts or
travel time to and from the jobsite. This warranty also does not cover costs for parts (such as filters or belts)
incurred in connection with normal maintenance or owner-required maintenance of the Product. Consult the
instructions enclosed with the Product for information regarding recommended maintenance.
4. THIS WARRANTY DOES NOT COVER damages caused by: (a) accident, abuse, negligence or misuse; (b)
operating the Product in a corrosive atmosphere containing chlorine, fluorine, or any other damaging chemicals;
(c) modification, alteration, repair service by any person other than an authorized SAMSUNG dealer or HVAC
contractor; (d) improper matching or application of the Product or components or loss of refrigerant; (e) failure to
provide proper maintenance or service to the Product according to manufacturer’s instructions; (f) if the Product
is not applied, installed, and operated in compliance with SAMSUNG’s written instructions, training seminars
and recommendations; (g) fluctuations in electrical power;(h) lightning, flood, fire or other acts of God; or
(i) if the product has not been paid for in full
1. TO OBTAIN WARRANTY PERFORMANCE or replacement parts you must notify an authorized SAMSUNG
dealer or your HVAC contractor in writing of any claimed defect within the applicable warranty period. Any
defective part to be replaced must be made available to SAMSUNG in exchange for the replacement part.
To obtain the name of the nearest authorized SAMSUNG dealer or information on warranty performance,
you may contact: QUIETSIDE, 8750 PIONEER BLVD, SANTA FE SPRINGS CA 90670, Tel : 1-562-6996066
2. Any and all implied warranties, including without limitation, any warranties of merchantability and fitness for
a particular purpose, are limited in duration to the lessor of: (a) the applicable warranty period specified in
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SAMSUNG Electronics HVAC
paragraph 1 above, or (b) the warranty period provided by law for such implied warranty. Some states do
not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
3. In no event shall SAMSUNG be liable to the owner of the Product or any other person for any special
incidental or consequential damages in connection with the Product, whether arising out of breach of
warranty, breach of contract, or otherwise. Some states do not allow the exclusion or limitation of incidental
or consequential damages, so the above limitation or exclusion may not apply to you.
4. This warranty contains the sole express warranty made by SAMSUNG in connection with the Product. No
SAMSUNG dealer or contractor or other person is authorized to make any other warranties or
representations on behalf of SAMSUNG in connection with the Product.
5. This warranty gives you specific rights, and you may also have other rights which vary from state to state.
SAM-WAR-002 May 2006
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SAMSUNG Electronics HVAC
Part 3 – Outdoor Unit Performance
3.01 The outdoor unit shall perform as indicated below (nominal capacity):
Outdoor Unit
UH070CAV1
UH105CAV
UH140CAV
Cooling Capacity*
(Btu/h)
24,000
36,000
48,000
Heating Capacity*
(Btu/h)
27,000
38,000
54,500
*Nominal cooling capacities are based on: Indoor temperature: 80⁰F DB, 67⁰F WB. Outdoor temperature: 95⁰F, 75⁰F WB.
*Nominal heating capacities are based on: Indoor temperature: 70⁰F DB, 60⁰F WB. Outdoor temperature: 43⁰F.
Part 4 – Products
4.01 UH070CAV1 / UH1**CAV Condensing Unit
A. General
The outdoor unit shall be equipped with multiple circuit boards that shall perform all
functions necessary for operation. The outdoor unit shall have a powder coated finish.
The outdoor unit shall be completely factory assembled, piped and wired. Each unit
shall be run tested at the factory.
1. Outdoor unit shall have a sound rating no higher than the following:
Model
dB
UH070CAV1
60
UH105CAV
66
UH140CAV
66
2. Both refrigerant lines from the outdoor unit to indoor unit shall be insulated.
3. The outdoor unit shall have an accumulator.
4. The outdoor unit shall have a high pressure safety switch, fuse, over-current
protection and crank case heater.
5. The outdoor unit shall have the ability to operate with a maximum height difference
and total length noted in table below.
Model
UH070CAV1
UH105CAV
UH140CAV
Maximum Vertical
Separation (feet)
98
98
98
Maximum Line Set
Length (feet)
162
246
246
6. The outdoor unit shall be capable of operating in outside ambient temperatures
between 14⁰F to 115⁰F in cooling mode without additional low ambient controls.
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SAMSUNG Electronics HVAC
7. The outdoor unit shall be capable of operating in outside ambient temperatures
between 0⁰F to 115⁰F in cooling mode with optional wind baffle accessory (see
“accessories” section).
8. The outdoor unit shall be capable of operating in outside ambient temperatures
between 5⁰F and 75⁰F in heating mode without additional low ambient controls.
9. The control circuit between the indoor units, and the outdoor unit shall be 0.5VDC 7VDC completed using stranded, annealed copper conductor, two-core, 16 AWG,
shielded cable to provide total integration of the system.
B. Unit Cabinet
1. The chassis shall be fabricated of galvanized steel, bonderized and finished with a
powder coated baked enamel.
C. Fan
1. The UH070CAV1 outdoor unit shall be furnished with one (1) direct drive, variable
speed propeller type fan.
2. The UH105CAV and UH140CAV outdoor unit shall be furnished with two (2) direct
drive, variable speed propeller type fans
3. All fan motors shall be BLDC type.
4. The fan motor shall have inherent protection, have permanently lubricated bearings,
and be completely variable speed.
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 horizontal discharge airflow.
D. Refrigerant
1. The condensing unit shall require R410A refrigerant.
2. The condensing unit come charged for system line set lengths up to 25 feet.
Additional refrigerant is required if the system line set length is over 25 feet.
3. The condensing unit shall contain a single EEV (electronic expansion valve) with
480 positions each to control refrigerant flow to the indoor unit.
E. Coil
1. The outdoor coil shall be of nonferrous construction with lanced or corrugated plate
fins on copper tubing.
2. Aluminum coil fins shall be coated with a hydrophilic/protective coating to reduce
corrosion and promote moisture shedding.
3. The coil shall be protected with an integral guard.
4. Refrigerant flow from the outdoor unit shall be controlled by means of a capacity
modulation capable, inverter driven, twin BLDC rotary compressor.
F. Compressor
1. The compressor shall be an inverter driven, DC voltage, twin BLDC rotary
compressor made by Samsung.
2. A crankcase heater shall be factory mounted in/on the compressor.
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3. The outdoor unit compressor shall have a variable modulation technology to
modulate capacity. The capacity shall be completely variable as noted in the table
below:
Model
UH070CAV1
UH105CAV
UH140CAV
Cooling Capacity Range
(Btu/h)*
7,500 – 28,500
11,000 – 41,000
13,800 – 52,600
Heating Capacity Range
(Btu/h)*
6,800 – 37,000
9,200 – 50,000
11,500 – 59,000
*Nominal cooling capacities are based on: Indoor temperature: 80⁰F DB, 67⁰F WB. Outdoor temperature: 95⁰F,
75⁰F WB.
*Nominal heating capacities are based on: Indoor temperature: 70⁰F DB, 60⁰F WB. Outdoor temperature: 43⁰F.
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 volts, 1 phase, 60 hertz.
2. The unit shall be capable of satisfactory operation within voltage limitations of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz).
3. The outdoor unit shall be controlled by integral microprocessors.
4. The control circuit between the indoor units and the outdoor unit shall be 0.5VDC 7VDC completed using stranded, annealed copper conductor, 16 AWG, shielded,
two-core cable to provide total integration of the system.
5. The outdoor unit shall provide power to the indoor unit with 14 AWG X 3 power wire
(2 X high voltage wires, 1 X ground). The power wire shall be run from the
condensing unit to indoor unit.
4.02 CH070CAV1/CH1**CAV (4-WAY CASSETTE) INDOOR UNIT
A. General
The indoor unit shall be factory assembled, wired and run tested. Contained within the
unit shall be all factory wiring, piping, control circuit board and fan motor. The unit shall
have a self-diagnostic function, 3-minute time delay mechanism, an auto restart function.
The indoor unit shall have an internal condensate pump with maximum 28 inch vertical
lift and internal condensate float switch. The indoor unit shall have the ability to use
optional wireless controllers without installing a separately purchased IR receiver. Indoor
unit and refrigerant pipes shall be charged with dehydrated nitrogen gas before
shipment from the factory.
B. Unit Cabinet
1. The cabinet shall be space-saving ceiling-recessed cassette.
2. Each corner portion of the panel cabinet shall be detachable, to provide easy access
to adjust the unit height.
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SAMSUNG Electronics HVAC
3. The cabinet shall have provisions for a field installed, filtered, outside air intake. A
booster fan is necessary. A 208/230V AC relay terminal is available to control the
booster fan (max 1A).
4. Branch ducting shall be allowed from cabinet, available on 2 sides to condition an
adjacent space.
5. The indoor unit shall ship with a fascia panel as standard. The panel shall have 4
auto-swing louvers, IR receiver, and LED status lights.
C. Fan
1. The indoor fan assembly shall be 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 (4) speeds, Low, Mid, High, and Turbo
4. The auto air swing vanes (4) shall be capable of automatically swinging up and down
for uniform air distribution.
Model Number
CH070CAV1
CH105CAV
CH140CAV
Fan Speed Setting
(UL) - Low – Mid – High - Turbo
B. Filter
1. Return air shall be filtered by means of an easily removable, electro-static, pleated,
washable filter.
C. Coil
1. The indoor coil shall be of nonferrous construction with Slit fins on copper tubing.
2. The tubing shall have inner grooves for high efficiency heat exchange.
3. Aluminum coil fins shall be coated with a hydrophilic/protective coating to reduce
corrosion and promote moisture shedding.
4. All tube joints shall be brazed with phos-copper or silver alloy.
5. The coils shall be pressure tested at the factory.
6. A condensate pan and drain shall be provided under the coil.
7. Both refrigerant lines to the indoor unit shall be insulated.
D. Electrical
1. The unit electrical power shall be 208/230 volts, 1-phase, 60 hertz supplied from
the condensing unit.
2. The system shall be capable of satisfactory operation within voltage limits of 187228 volts (208V/60Hz) or 207-253 volts (230V/60Hz)
3. The indoor unit PCB contains a time-lag fuse.
4. The control circuit between the indoor units, and the outdoor unit shall be 0.5VDC 7VDC completed using stranded, annealed copper conductor, two-core, 16 AWG,
shielded cable to provide total integration of the system.
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4.03 Wired Controller (MWR-WE10)
1. Connection: Can control up to 16 Samsung indoor units (defined and controlled as
one group).
2. Dimensions: 4 5/8” x 4 7/8” in size and white in color
3. Easy indoor unit control
a. Indoor unit operation ON/OFF
b. Indoor unit operation mode, set temperature, air flow direction, fan speed
c. Quiet and sleep modes
d. Error display
e. Filter replacement alarm display and reset
f. Single indoor unit control or multiple unit control (maximum 16 units)
g. Upper/lower temperature setting
h. Automatic operation stop function
i. Daily/weekly operating schedule setting
Premium Wired Controller
Description
Run and stop operation for a single group
Switches between Auto/Cool/Dry/ Fan/Heat
 Set the temperature for a single group.
Temperature
 Range of temperature setting
Setting
o Auto/Cool/Dry: 65°F-86°F
o Heat: 61°F-86°F
 Models with 3 air flow speed settings:
Fan Speed Setting
o High /Mid/Low/Auto
 Air flow 2-step direction (Swing/Stop)
Air Flow Direction
 Direct setting at a specific angle.
Setting
 Air flow operation varies depending on the model.
 ON/OFF, temperature, fan speed, and mode
settings can be specified
Weekly Schedule
 Maximum 6 schedules may be set for each day.
 Real-time clock function: current time, day display
function
 Button permission level setting (On/Off /
Temperature setting / Mode button / Fan speed)
Button lock
 Temperature limit setting
 After power reset, setting value is restored
 Various restriction capabilities
 Automatic stop setting
Specified Function
o Setting time range : 0-12 hours
 Setting/Viewing indoor unit option code
 Viewing indoor unit RMC address
 Viewing indoor unit cycle data
Service Mode
 Setting/Viewing temperature sensor compensation
of the wired remote controller(-9°~ +9°)
 Viewing the RPM compensation
 Viewing the filter time (1,000 hours or 2,000 hours)
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Item
ON/OFF
Operation Mode
Operation
Display
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
Each Group
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Item
Error
Permit / Prohibit
Local Operation
Quiet Mode
Room
Temperature
Premium Wired Controller
Description
 Viewing indoor unit temperature sensor
compensation under Heating (+2 or +5°)
 Viewing the H/W option setting
 Viewing the wired remote controller software
version
When an error is currently occurring on an air
conditioner unit, the afflicted unit and the error code
are displayed
Setting/releasing of simplified locking for remote
control buttons can be performed
Select the Quiet mode to run the indoor unit to the set
mode to lower the fan noise level.
Actual room temperature display (or set temperature
display)
Operation
Display
Each Group
Each Group
Each Group
N/A
Each Group
N/A
Each Group
Each Group
4. Other Premium Controller features
a. Different button permission levels
b. Partial button lock option (on/off, selection, temperature setting, fan speed,
and schedule setting buttons can be locked individually)
c. Backlight
d. Daylight savings clock advance option
e. Temperature limit setting option
f. Real-time clock function; current time/day display function
g. Built-in room temperature sensor
h. Indoor unit operation state display
i. Service mode support (indoor unit cycle data monitoring, option code
monitoring and setting, and dip switch state monitoring)
5. Specifications
a. 4 wire connection
b. DC 12V (V1/V2) power supplied by indoor unit
c. RS485 communication (F3/F4)
d. Can sense temperature via internal sensor, temperature sensor inside the
air handler, or use the average temperature between controller and air
indoor unit sensors
e. The Premium Controller shall require no addressing.
f. The Premium Controller shall connect using four-wire (2 wires for power
supply and the other two for communication), untwisted, shielded. The
Premium Controller shall require cross-over wiring for grouping across
indoor units.
g. 16 AWG shielded cable is necessary for proper operation
4.04 OPTIONAL ACCESSORIES
A. Wireless controller (MR-BH01U)
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1. The wireless controller shall have the following control capabilities:
a. Unit operation ON/OFF
b. Can control: unit operation mode, set temperature, louver position, and
fan speed
c. Filter replacement alarm reset
d. Louver position control
e. Simple ON/OFF timer
f. Low battery indicator
g. Indoor unit option code setting (24 segment)
2. The indoor unit shall have the ability to use a wireless controller without adding
additional IR receivers.
3. The wireless controller shall include a holder to secure the controller to a wall,
etc.
4. The wireless controller shall include batteries from the factory
B. Wind baffles for low ambient cooling
1. Front wind baffle (WBMF)
a. WBMF-9/12/18 wind shield/baffle is compatible with: UH070CAV1,
UH105CAV (requires 2), and UH140CAV (requires 2) outdoor units.
b. Designed to be placed on fan discharge side (front).
c. Only a front shield is required for applications where the mini split is
adjacent to a structure that would protect the intake side from prevailing
wind. Applications without this protection would require a back shield
(ex: roof top).
d. The wind baffle material shall be clear plastic.
2. Back wind baffle (WBMB)
a. WBMB-9/12/18/36 wind shield/baffle compatible with UH105CAV
(requires 2) and UH140CAV (requires 2) outdoor units.
b. WBMB-24 wind shield/baffle is compatible with UH070CAV1 outdoor units.
c. Designed to be placed on the coil intake side of the unit (back).
d. Note: This back shield is only required for applications where the mini split
is not adjacent to a structure that would protect the intake side from
prevailing wind (ex: roof top).
e. The wind baffle material shall be clear plastic.
C. MIM-N01 Central control, communication converter, interface module.
1. Specifications
a. Allows connection of DVM Plus III and Samsung single zone and multizone split systems to DVM S system NASA communication protocol
central control options: MIM-D00AN (Data Management Server 2), MIMB17N (BACnet gateway), MIM-B18N (LONWORKS gateway), MCMA202DN (ON/OFF controller), MCM-A300N (touchscreen controller).
b. 12VDC
c. One per system
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2. Connection
a. Installs in outdoor unit
b. Includes connection wires and installation box for simple installation.
D. External remote room sensor (MRW-TA)
1. Connection
a. The external room sensor shall be capable of connection up to 1 indoor
unit.
2. Function
a. The external room sensor shall be used to measure the exact room
temperature.
b. The external room sensor shall support wire length of maximum 39 feet.
E. External contact control – individual unit on/off control and monitoring (MIM-B14)
1. Function
a. Control options to enable/disable and monitor individual indoor units
b. Direct indoor unit control by external contact, 0 volts signal
c. Emergency control with simple contact input
d. Indoor unit operation (thermo or operation) and error state output through
relay contacts
2. Installation
a. The external contact controller shall mount inside indoor unit
b. Connection to PCB with included wire harnesses
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