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The Right Fit for Comfort
ECR International INC
2201 Dwyer Avenue
Utica, NY 13501
e-mail: info@RetroAire.com
An ISO 9001-2000 Certified Company
CM / CW / WM
R-410A High Efficiency Water Source Heat Pump
MODEL CM - Heat pump nominal capacities
8,000
™
2.6
MODEL CW - Straight cooling / heat pump nominal capacities
8,000
2.6
MODEL WM - Heat pump nominal capacities
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
12,000
15,000
3.5
4.4
10,000
13,000
3.5
4.4
12,000
15,000
3.5
4.4
CW
New Construction
Replacement for:
Freidrich and Climate Master CW and
"800" Series Water Source
Btuh
kW
17,000
Btuh
5.3
kW
Btuh
kW
P/N 240008071, Rev. C [112309]
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Table of Contents
Troubleshooting
Related Manuals for ECR CM
Summary of Contents for ECR CM
- Page 1 CM / CW / WM R-410A High Efficiency Water Source Heat Pump MODEL CM - Heat pump nominal capacities 8,000 12,000 15,000 Btuh ™ The Right Fit for Comfort MODEL CW - Straight cooling / heat pump nominal capacities 8,000...
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Page 2: Table Of Contents
19-20 CM Chassis ....5 CW Chassis ....5 Monthly inspection and maintenance . -
Page 3: Inspection
• The purchaser must notify ECR International’s Cus- Do not use the unit if it has damaged wiring, is not working tomer Service department of all damage and is respon- properly, or has been damaged or dropped. -
Page 4: General Product Information
Water Source Console Units • Installation, Operation, and Maintenance Manual • General Product Information Product description Controls All RetroAire Water Source Console Units units are available as heat • Unit-mounted operating controls include thermostat, fan speed control pump systems. Model CW is available as a straight cool unit. and heat/cool switch. -
Page 5: Cm Chassis
Water Source Console Units • Installation, Operation, and Maintenance Manual • Figure 1 CM Chassis High Volt Connection CONDITIONED AIR Thermostat Fan Speed Switch (FSS) System Switch (SS) Master Optional INLET AIR Slave Figure 2 CW Chassis High Volt Connection... -
Page 6: Wm Chassis (Left / Right)
Water Source Console Units • Installation, Operation, and Maintenance Manual • Figure 3 WM Chassis (Left) CONDITIONED AIR Rating Plate Wire Diagram SYSTEM SWITCH (SS) FAN SPEED SWITCH (FSS) THERMOSTAT INLET AIR Figure 4 WM Chassis (Right) CONDITIONED AIR Wire High Volt Diagram Connection... -
Page 7: Water Source Console Units Model Nomenclature
G = 410A = Sweat Connection Cooling Capacity (Btuh) = Female Pipe Thread [ 08 = 08,000 Btuh (CM and CW Series Only) = Male Pipe Thread [ 09 = 09,000 Btuh (WM Series Only) = Ball Valve & Union... -
Page 8: Features
Water Source Console Units • Installation, Operation, and Maintenance Manual • Features Indoor coil freeze protection (standard) Optional wall-mounted thermostats This feature will prevent the indoor coil from freeze up in the cooling mode. Thermostats available from EMI • Indoor coil freeze up can occur due to a dirty air filter, restricted EMI offers a thermostat that is compatible with your Water Source or poor air flow, low refrigerant charge or low room or coil water Console Unit. -
Page 9: Preparing For The Installation Of The Water Source Console
Water Source Console Units • Installation, Operation, and Maintenance Manual • Preparing for the Installation of the Water Source Console Units Remove the old chassis WARNING Disconnect power or unplug cord before proceeding. Moving parts can cause personal injury. Avoid contact with See WARNING at left. -
Page 10: Installation Instructions - Cm
Water Source Console Units • Installation, Operation, and Maintenance Manual • Installation Instructions — CM Chassis CM chassis Figure 6 J Box FRONT High Volt Connections Rating Plate Wire Diagram Water Coil Connections H2O IN H2O OUT 5/8" ID tube condensate... -
Page 11: Installation Instructions - Cw
Water Source Console Units • Installation, Operation, and Maintenance Manual • Installation Instructions — CW INSTALLATION FOR NEW CONSTRUCTION Figure 7 CW chassis J Box High Volt FRONT Connections Rating Plate Wire Diagram W a t e r C o i l Connections 5/8"... -
Page 12: Installation Instructions - Wm Left
Water Source Console Units • Installation, Operation, and Maintenance Manual • Installation Instructions — WM Left Figure 8 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 P/N 240008071, Rev. -
Page 13: Installation Instructions - Wm Right
Water Source Console Units • Installation, Operation, and Maintenance Manual • Installation Instructions — WM Right Figure 9 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... -
Page 14: Final Inspection & Start-Up
Water Source Console Units • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up Before operating the unit CAUTION Any obstruction of supply air, including the use of deflector baffles, may cause condensate to form on the louver or cabinet ☐... -
Page 15: Start Up
90(33) and if the difference is higher then you don’t have enough water flowing through the unit. You will have to adjust the hand water CM/CW Operating Limits valve to get the temperature difference needed. Air & Water Limits Cooling °F(°C) Heating °F(°C) -
Page 16: Unit-Mounted Thermostat
Water Source Console Units • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) Determine whether the fan operates during heating and cooling modes. If these checks fail to reveal a problem and the unit will not Figure 12 Typical Representation of a Unit Mount Control operate, contact a trained service technician for proper diagnosis or call the factory service department for assistance. -
Page 17: Heat Pump Water Source Console Units
Water Source Console Units • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) • The indoor fan will run, blowing air through the hydronic coil. NOTICE • The signal to the water valve will continue until the room tem- The room temperature must be above 65°F (18°C) for the com- perature rises above the setpoint by 3°F (2°C). -
Page 18: Auxillary Heat Option (Electric)
Water Source Console Units • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) Heating operation — heat pump units — Enter- Auxiliary heating operation— hydronic option ing Water temperature above 60°F (16°C) Place the thermostat or system switch in the "HEAT" position. the thermostat or system switch in the "HEAT"... -
Page 19: Maintenance & Troubleshooting
For optimum performance and reliability of your RetroAire replace- ment Water Source Console Unit, ECR International recommends performing the following inspections and maintenance on a monthly basis. Units that are installed in harsh or dirty environments will Seasonal start-up and maintenance require more frequent inspections and maintenance. -
Page 20: Troubleshooting
Water Source Console Units • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting (continued) Ensure the unit is level. Over time the building and equipment WARNING may settle, causing a shift in the direction of the condensate flow. Do not use a solvent-based cleaner to clean coils, as some solvents will produce a noxious odor when the unit is in operation. -
Page 21: Performance Data
Water Source Console Units • Installation, Operation, and Maintenance Manual • Performance Data Table 1 **Cooling - PERFORMANCE DATA CM / CW / WM ** ID EAT 80°F (26.7°C) DB/67°F (19.4°C)WB Indoor Shipping Cooling Heat Pump EWT 85°F (29.4°C) Voltage... -
Page 22: Electrical Specifications
Electrical Specifications IMPORTANT Due to ongoing product development, designs, specifications, and performance are subject to change without notice. Please consult the factory for further information. Table 2 CW / CM - 8,000 BTU electrical specifications Power Supply Indoor Fan Compressor... -
Page 23: Notice
7-20P 265V 0.67 0.08 3983 15.7 19.5 5310 20.7 25.7 7-30P Table 5 CM / WM - Cooling Capacity 12,000 electrical specifications Power Supply Indoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Volt Htr # Volt... -
Page 24: Notice
7-20P 265V 0.67 0.08 3983 15.7 19.5 5310 20.7 25.7 7-30P Table 7 CM / WM - Cooling Capacity 15,000 electrical specifications Power Supply Indoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Volt Htr # Volt... - Page 25 Water Source Console Units • Installation, Operation, and Maintenance Manual • Electrical Specifications IMPORTANT Due to ongoing product development, designs, specifications, and performance are subject to change without notice. Please consult the factory for further information. Table 8 CW - Cooling Capacity 17,000 electrical specifications Power Supply Indoor Fan...
- Page 26 Water Source Console Units • Installation, Operation, and Maintenance Manual • Notes The Right Fit for Comfort P/N 240008071, Rev. B [112309]...
- Page 27 Water Source Console Units • Installation, Operation, and Maintenance Manual • Notes P/N 240008071, Rev. B [112309] Made in USA...
- Page 28 ECR International LLC 2201 Dwyer Avenue Utica, NY 13501 e-mail: info@RetroAire.com An ISO 9001-2000 Certified Company The Right Fit for Comfort P/N 240008071, Rev. B [112309]...