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Th e Right Fit for Comfort
ECR International Inc
2201 Dwyer Avenue
Utica, NY 13501
e-mail: info@RetroAire.com
An ISO 9001-2008 Certifi ed Company
CM / CW / WM
R-410A High Effi ciency Water Source Heat Pump
MODEL CM - Heat Pump Nominal Capacities
8,000
12,000
™
2.3
MODEL CW - Straight Cooling / Heat Pump
8,000
10,000
2.3
2.9
MODEL WM - Heat Pump Nominal
9,000
2.6
Installation, Operation,
& Maintenance Manual
CM
Replacement for:
Freidrich and Climate Master
"801" Series Water Source
WM
Replacement for:
McQuay, Singer, or Climate
Control WM Series Water
Source
15,000
3.5
4.4
Nominal Capacities
13,000
17,000
3.8
5.0
Capacities
12,000
15,000
3.5
4.4
CW
New Construction
Replacement for:
Freidrich and Climate Master
CW and "800" Series Water
Source
P/N 240009719, Rev. A [07/2012]
Btuh
kW
Btuh
kW
Btuh
kW
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Table of Contents
Related Manuals for Retro Aire CM
Summary of Contents for Retro Aire CM
- Page 1 CM / CW / WM R-410A High Effi ciency Water Source Heat Pump MODEL CM - Heat Pump Nominal Capacities 8,000 12,000 15,000 Btuh ™ Th e Right Fit for Comfort MODEL CW - Straight Cooling / Heat Pump Nominal Capacities...
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Page 2: Table Of Contents
Final Inspection And Start-Up ..................14 Sequence Of Operation....................17 Maintenance ....................... 19 Performance Data CM / CW / WM ** ................21 Electrical Specifi cations ....................22 Information and specifi cations outlined in this manual in effect at the time of printing of this manual. -
Page 3: Receiving Information
RECEIVING INFORMATION Shipping damage MUST be reported to the carrier IMMEDIATELY. Examine exterior. Remove cover and examine compressor and piping for signs of damage. Inspection General Information Check shipment against bill of lading. Installation shall be completed by qualifi ed agency. Retain this manual and warranty for future reference. -
Page 4: Important Safety Information
IMPORTANT SAFETY INFORMATION All wiring should be in accordance the National Electric WARNING Code (NEC) and or in absence of such code requirements of Fire, and electrical shock hazard. Improper the authority having jurisdiction. installation could result in death or serious injury. Read this manual and understand all requirements before beginning installation. -
Page 5: Dimensional/Physical Data
DIMENSIONAL/PHYSICAL DATA Figure 1 - CM Chassis J Box FRONT High Volt Connections Rating Plate Wire Diagram Water Coil Connections H2O IN H2O OUT 5/8" ID Tube Condensate Drain Connection The Right Fit for Comfort Made in USA... - Page 6 DIMENSIONAL/PHYSICAL DATA Figure 2 - CW Chassis J Box High Volt FRONT Connections Rating Plate Wire Diagram Wa t e r C o i l Connections 5/8" ID tube Condensate Drain Connection The Right Fit for Comfort Made in USA...
- Page 7 DIMENSIONAL/PHYSICAL DATA Figure 3 - WM Chassis FRONT J Box High Volt Connections Rating Wire Diagram Plate Water Coil Connections 5/8" OD Pipe Condensate Drain Connection Install 2" x 1∕2" foam tape The Right Fit for Comfort Made in USA...
- Page 8 DIMENSIONAL/PHYSICAL DATA Figure 4 - WM Right Chassis And Installation Kit Contents FRONT J Box High Volt Connections Wire Diagram Rating Plate Water Coil Connections 5/8" OD Pipe Condensate Drain Connection The Right Fit for Comfort Made in USA...
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Page 9: Product Description
PRODUCT DESCRIPTION Figure 5 - CM Chassis High Volt Connection CONDITIONED AIR Thermostat Fan Speed Switch (FSS) System Switch (SS) Master Optional INLET AIR Slave Figure 6 - CW Chassis High Volt Connection CONDITIONED AIR Thermostat Fan Speed Switch (FSS) - Page 10 PRODUCT DESCRIPTION Figure 7 - WM Chassis (Left) CONDITIONED AIR Rating Plate Wire Diagram SYSTEM SWITCH (SS) FAN SPEED SWITCH (FSS) THERMOSTAT INLET AIR Figure 8 - WM Chassis (Right) CONDITIONED AIR Wire High Volt Diagram Connection Rating THERMOSTAT Plate FAN SPEED SWITCH (FSS) CONDENSATE SYSTEM SWITCH (SS)
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Page 11: General Product Information
GENERAL PRODUCT INFORMATION Product Description • Field-Installed Accessories: – Remote thermostat • Water Source Console units are available as heat pump systems. Model CW is available as straight cool. – Hydronic heat valves • R-410A refrigerant. – Cabinets • Provided high-effi ciency rotary compressor. •... -
Page 12: Installation Preparation
INSTALLATION PREPARATION Remove Old Chassis DANGER • Disconnect power or unplug cord before proceeding. Electrical shock hazard. Before opening existing • Remove cabinet from old chassis. unit open power supply disconnect switch. Secure in open position during installation. Attach a sign •... -
Page 13: Installation
INSTALLATION Installation See instructions for specifi c RetroAire unit. DO NOT connect power to unit or plug in cord until instructions in this manual have been completed. Place new chassis in same place where old chassis stood. Secure to subbase or wall as older unit was secured. -
Page 14: Final Inspection And Start-Up
FINAL INSPECTION AND START-UP Figure 9 - Proper Air Flow Diagram Before Operating Unit Verify electrical supply matches electrical ☐ requirements of the unit, and unit is properly grounded. Examine control box. Ensure all wire connections ☐ are secure. Verify chassis is properly fi tted to cabinet and ☐... -
Page 15: Operating Limits
FINAL INSPECTION & START-UP Start Up Operating Limits Initiate proper unit start up. WMH/CM/CW Operating Limits Adjust all hand water valves to full open position. Turn Air & Water Limits Cooling°F(°C) Heating°F(°C) power on to the units. If when taking old unit out you Min. - Page 16 FINAL INSPECTION & START-UP Unit Mounted Thermostat - Remote Mounted Thermostat See Figure 11 . Place thermostat in either “COOL”, “HEAT”, or “OFF” Place Water Source Console Units in "COOL", "HEAT", position. Test operation in all positions. or "OFF" position. Test operation in all positions. If thermostat is fi...
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Page 17: Sequence Of Operation
SEQUENCE OF OPERATION Heat Pump Water Source Console Units If cooler room temperature is desired, adjust thermostat to cooler temperature setting until electric Unit is equipped with a reversing valve that is energized for heater turns off. Fan will stop. cooling and de-energized in heating mode. - Page 18 SEQUENCE OF OPERATION Auxiliary Heating Operation — Electric Option Room temperature must be below 85°F(29°C) to energize heater on Water Source Console Units with unit-mounted controllers. Place thermostat or system switch to HEAT position. Adjust thermostat to warmer temperature until fan starts running and electric coil starts emitting heat.
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Page 19: Maintenance
MAINTENANCE To reset switch: DANGER ☐ Remove control box cover. Electrical shock hazard. Disconnect power to ☐ Locate limit switch. replacement units before servicing or accessing ☐ Push in reset button on switch face. See Figure control compartment. Failure to do so could result in severe personal injury or death. -
Page 20: Troubleshooting
MAINTENANCE Inspect and clean drain pan and drain line(s). Use of Inspect coils. Use fi n comb to straighten out any damaged fi ns. Coils must be clean for proper anti-fungicide tablet to keep condensate system free operation. from bacterial contaminants is recommended. Verify unit is level. -
Page 21: Performance Data Cm / Cw / Wm
PERFORMANCE DATA CM / CW / WM ** Table 2 Performance Data PERFORMANCE DATA CM / CW / WM ** **Cooling – E.A.T. D.B. 80.6°F (27°C) E.A.T. W.B. 66.2°F (19°C) Indoor Shipping Cooling Heat Pump Voltage Model Airfl ow Weight E.W.T. -
Page 22: Electrical Specifi Cations
ELECTRICAL SPECIFICATIONS Table 3 CW / CM - 8,000 BTU Electrical Specifi cation Power Supply Indoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Volt Htr# Volt MOCP Plug 115V 45.6 0.09 11.4 5-15P 6–15P 1636 10.6 6–15P... - Page 23 15.0 18.8 4576 17.3 17.9 22.3 7-30P 5000 18.1 18.7 23.3 Table 6 CM 12,000 / CW 13,000 BTU Electrical Specifi cations Power Supply Indoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Volt Htr# Volt MOCP...
- Page 24 0.67 0.08 2000 2746 10.4 11.0 13.8 7-20P 3000 10.8 11.5 14.4 Table 8 CM - 15,000 BTU Electrical Specifi cations Power Supply Compressor Indoor Fan Motor Electric Heat Unit Electrical Ratings Volt — 1–60 Volt Htr# Volt MOCP Plug 6–15P...
- Page 25 ELECTRICAL SPECIFICATIONS Table 9 WM - 15,000 BTU Electrical Specifi cations Power Supply Compressor Indoor Fan Motor Electric Heat Unit Electrical Ratings Volt — 1–60 Volt Htr# Volt MOCP Plug 6–15P 1636 10.6 6–15P 2000 11.6 208/ 230V 0.08 2454 11.8 12.4 15.5 6-20P...
- Page 26 ELECTRICAL SPECIFICATIONS Figure 13 NEMA Specifi cations Non / Locking / Receptacles The Right Fit for Comfort Made in USA...
- Page 27 NOTES The Right Fit for Comfort Made in USA...
- Page 28 ECR International Inc 2201 Dwyer Avenue Utica, NY 13501 e-mail: info@RetroAire.com An ISO 9001-2008 Certifi ed Company P/N 240008071, Rev. G [07/2012] The Right Fit for Comfort...
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