©Mammoth-WEBCO, Inc.
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1935 - Began as Brown Sheet Iron and Steel
Company manufacturing industrial gravity and forced-air furnaces
1953 – Acquired by private investors and renamed
Mammoth Furnace Company and was the largest industrial furnace manufacturer
1965 – Acquired by Lear Siegler, Inc. and expanded into Heat Pump and Coil manufacturing
1986 – Acquired by Nortek, Inc. and joined their CES
Group, Inc., largest group of custom HVAC manufacturers in North America
2009 – WEBCO, Inc. merged with Mammoth, Inc. to form Mammoth-WEBCO, Inc.
©Mammoth-WEBCO, Inc.
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Delivering custom-engineered air conditioning solutions
Education
Manufacturing
Healthcare
Offices
Hotel/Motel
High-Tech
Food
Processing
Pharmaceutical
Retail
Amusement
Government
Hospitality
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We Continue to Grow Our Capabilities
 integrated Prefabricated
Equipment Centers ( iPEC ™)
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Custom chillers and chiller plants
ULTRALINE ™ packaged DX
Roof-mounted air systems
V-Cube ™ floor-by-floor selfcontained
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RMZ Vari-Zone Custom DX and multi-zone rooftop units
And…
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Mammoth Water-Source Heat Pumps
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Water-source / Groundsource heat pump solutions
Horizontal and vertical, indoor configurations
Low-sound condominium unit
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 New Factory Building - 45,000 Square Feet
 Manufactures All Water Source Products
 Manufacturing heat pumps for over 35 years
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Small Single Circuit Horizontal
And Vertical Units
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10 different sizes from ¾ ton to 6 ton.
“N” vintage equipment, available in standard and low (geothermal) temp applications.
 Horizontal units:
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Standard and mirror image, end discharge orientations available.
 Vertical Units:
▼ Right and left hand orientations.
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General
 Galvanized G60 steel casing
 Access panels; compressor section, fan section and electrical box
 2-sided filter bracket with 1" thick filter
 Threaded female NPT water connections
 Condensate drain connection
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Supply duct connection
Fully insulated with 3/4", 1½ lb. coated fiberglass
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 070H 6 ton
 086H 7 ton
 100H 8 ton
 120H 10 ton
 142H 12 ton
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 070V 6 ton
 086V 7 ton
 100V 8 ton
 120V 10 ton
 142V 12 ton
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Large Vertical Units -
 170V 14 ton
 210V 17 ton
 270V 22 ton
 310V 25 ton
 360V 30 ton
 440V 37 ton
 540V 49 ton
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14 through 49 Tons (Sizes
170-540)
Dual Scroll Compressor Units
High EER’s & COP’s
Quiet Operation
Thermal Expansion Valves
Heat Pumps (sizes 170-360) or Cooling Only
Optional VAV, Waterside
Economizers, Hot Gas
Reheat, DDC Controls,
Double Wall, …
©Mammoth-WEBCO, Inc.
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Sizes
 Small Cabinet
▼ Size 071
▼ Size 111
▼ Size 141
▼ Size 181
 Large Cabinet
▼ Size 221
▼ Size 271
▼ Size 321
▼ Size 381
Nominal 6 tons
Nominal 9 tons
Nominal 12 tons
Nominal 15 tons
Nominal 19 tons
Nominal 23 tons
Nominal 28 tons
Nominal 32 tons
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Unit Features
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Dual scroll compressors
Thermal expansion valves
Multi-blade low leak outside air damper with motor.
2" thick, 30% efficient pleated filters
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Additional 4” filters are optional
Four-row evaporator coil ( six-row optional )
IAQ drain pan with side condensate drain connection.
Hot gas reheat coil for dehumidification
Hot gas by-pass
Foil-faced foam insulation - no fiberglass.
Belt drive fan assembly.
Optional Mammoth MDDC controls.
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 1 thru 30 tons
 Includes:
▼ Compressor
▼ Source side HX
▼ Load side HX
▼ TX valve
 Unit can heat or cool water
 Part of the High Efficiency Unit Family
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“Condo Heat Pumps”
 Mechanical cooling, hot water heating.
 NC sound levels –
30 heating, 36 cooling.
 Designed for closet installation.
 Positive water shut off.
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“U” vintage single circuit 410A systems.
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“M” vintage twins & Quads 410A systems.
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“E” series large twin and quad circuits (410A).
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“D” vintage make up air units, (410A) indoor/outdoor applications.
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“K” vintage water to water units, 5 to 50 tons,
(410A).
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Coming soon: “stock” cooling only, VFD,
410a refrigerant, double wall construction, fan wall design, pre-painted cabinet, ESP capability of up to 3”,
Mammoth DDC controls,
Sizes available:
170 / 14 ton
210 / 17.5 ton
270 / 22 ton
310 / 25 ton
360 / 30 ton
440 / 40 ton
540 / 45 ton
620 / 52 ton
720 / 60 ton
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Incorporated in all Mammoth heat pumps.
High & low voltage protection.
Random start time delay from 5 to 35 seconds.
Compressor anti-short cycle protection (5min.)
Electronic condensate alarm.
Compressor lock out with auto reset.
Fan interlock, with compressor operation.
Emergency shut down / field supplied signal.
Dry contacts for fault indication to DDC control.
Aux contacts with compressor operation.
Test pin jumper / disables timing circuits for testing.
LED fault identification / status indication
Removable terminal strip for thermostat wire connections.
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Room temperature control
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Can be used with any HEAT PUMP T-stat.
Mammoth heat pumps fail to heat (RV) energized for cooling (“O”) terminal.
LED unit status codes:
“on” steady = Normal operating mode
1 flash = High or low pressure trip.
2 flashes = Emergency shut down (by others)
3 flashes = Auxiliary switch fault.
4 flashes = Condensate alarm
5 flashes = Low voltage fault
6 flashes = High voltage fault
4 tries on auto re-set in 6000 seconds (1.6 hrs)
Lock out occurs, and must be re-set manually.
(remove call for compressor at t-stat or cycle power to unit)
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Typical Wiring
P1 terminal block (t-stat wiring)
P1-8 lock out alarm out put
P17 Call for compressor “Y”
P1-6 NSB signal
P15 Supply Fan “G”
P1-4 24VAC (-)
P1-3 24VAC () “O”
P1-2 2 hr override
P11 24VAC (+) “R”
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Typical Wiring
Other contact points / P2 terminal strip
P2-8 A.D. Contacts (NC)
P2-7 A.D. Contacts (com)
P2-6 A.D. Contacts (NO)
P2-5 Unoccupied Input
P2-4 Emergency Shutdown
P2-3 24 VAC (-)
P2-2 Dry Contacts Alarm
P2-1 Dry Contacts Alarm
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I/O Zone 560
Space temperature control
5 digital Outputs, 6 universal inputs.
100% stand alone control.
Capable of communication: via
BACnet, Modbus, N2, Lon talk.
Includes communication with intelligent space sensors, and keypad/display units.
For use with standard CAV heat pumps without water side economizers or hot gas re-heat.
Orders must include minimum of one key pad per order.
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Supply air temp / monitor only
Water HX LWT
Water HX EWT
(thermistor/dry contact) net work
Comp Lckt / overflow, compr#1
HP-4 alarm, comp#2 alarm
Load shed,
Comp#1Q* HP4 alarm
Comp#2Q* HP4 alarm
Emergency shut down,
External start, dirty filter*
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“Rnet”
Room/return air
Temperature (RS Std)
Or RS Pro
Common alarm
Reversing valve
Call for #2 comp
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Call for #1 comp
Fan start
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I/O Zone 583
Space temperature control
5 digital outputs, 8 universal inputs. 3 analog outputs
100% stand alone control.
Capable of communication: via BACnet,
Modbus, N2, Lon talk.
Includes communication with intelligent space sensors, and keypad/display units.
For use with standard CAV heat pumps with water side economizers or hot gas re-heat.
Orders must include minimum of one key pad per order.
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Typical wiring the same as 560 except 583 has three analog outputs
Analog outputs require DC relay for single stage, USC for multi stage or actuator for modulation of control
Outputs normally used for re-heat,
3ater side economizers or aux heat
Used for CAV with de-humidification and hot gas re-heat.
Also special applications with water to water units.
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Room temperature control
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RS Plus offers a local setpoint adjustment and override to an occupied mode and LED indication of current status.
RS Pro offer the same and a large
LCD display.
Both sensors provide precision temperature measurement, communication capabilities, able to mate up with key pad for commissioning and maintenance.
RS Plus
RS Pro
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Discharge air controller
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6 digital outputs, rated at 5 amps
@ 250VAC.
12 universal inputs, configurable for dry contact, thermistor/RTD, 0 to 20ma, 0-10 VDC.
6 analog outputs, 1&2 are 0-10
VDC or 0-20ma, outputs 3 through
6 are 0-10 VDC only.
Used in large twin, make up air units, primary use for units that have modulation control of heat source or control of VFD,
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©Mammoth-WEBCO, Inc.
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Location: San Francisco, CA
 A wide range of units were installed throughout the park. They include small horizontal heat pumps, twin circuit verticals, V-
Cube Lites, and V-Cubes
 Mammoth worked with the developer to provide special arrangements and performance that better suited the layout of the park.
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Location: New York, NY
 Viacom selected V-Cubes and horizontal heat pumps that worked with their open and closed ceilings. Quick delivery was a key point for many units.
 Some units utilize DDC controls and VAV to service the studio and larger areas of the building.
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Facility
Location: Omaha, Nebraska
 Quality Living added a new east campus to their facility.
The new campus utilized
Mammoth high efficiency geothermal heat pumps.
 The new addition operates more than twice total hours at less cost than the older campus with a conventional boiler and tower system.
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Texas Motor Speedway Condominiums
Fort Worth, TX
 Mammoth was awarded the project because of energy savings, noise control, flexibility in right/left hand configuration and meeting the tight closet fit.
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Location: Chicago, IL
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Worlds Largest Geothermal
Hospital
Over $1.0 Million energy savings annually
732 Mammoth Water-to-Air
Terminal Units
18 Governair RSA Air Handlers with Vestibules & Governair controls
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How can we help you today?
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