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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 9001-2008 Certified Company
Packaged Terminal Air Conditioner (PTAC)
™
Btuh
kW
Installation, Operation,
& Maintenance Manual
R40C
Straight cooling nominal capacities
9,000
12,000
(2.6)
(3.5)
R40C
Replacement for:
Fedders Model CMEA
packaged terminal unit
15,000
(4.4)
P/N 240008639, Rev. B [8/16/2011]
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Table of Contents
Troubleshooting
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Summary of Contents for Retro Aire R40C
- Page 1 R40C Packaged Terminal Air Conditioner (PTAC) ™ Straight cooling nominal capacities Btuh 9,000 12,000 15,000 (2.6) (3.5) (4.4) The Right Fit for Comfort Installation, Operation, & Maintenance Manual ECR International Inc 2201 Dwyer Avenue Utica, NY 13501 e-mail: info@RetroAire.com R40C...
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Page 2: Table Of Contents
Seasonal start-up and maintenance ..21-22 R40C Chassis ....5-7 Heat pump units — temporary emergency heating mode 22 PTAC/PTHP Model Coding Troubleshooting sensors . -
Page 3: Inspection
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Read This First (continued) General precautions Recognize this symbol as an indication of important safety information. DANGER Electrical Supply Carefully read the rating plate located on the front panel. Inspection The RetroAire replacement PTAC/PTHP must: Be properly connected... -
Page 4: General Product Information
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • General Product Information The R41 does not have a standard ECR PTAC control board, Please use this section as a reference only. Controls Product description • Unit-mounted operating controls include thermostat, fan speed control, RetroAire Replacement Packaged Terminal Air Condition/Heat heat/cool switch, fan cycle switch, fresh air switch (if equipped) -
Page 5: R40C Chassis
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • General Product Information (continued) Figure 1 R40C Chassis Thermostat Unit Mount High Pressure Switch (HPS) reset System Speed 5 - POS Switch Switch Terminal (SS) (FSS) - Page 6 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • General Product Information (continued) Figure 2 R40C Chassis Electrical Box Rating Plate Remove Screws to Open Door Electrical Diagram Open/Close The Right Fit for Comfort P/N 240008639, Rev. B [8/16/2011]...
- Page 7 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • General Product Information (continued) Figure 3 R40C Dimensioned Front View Figure 4 R40C Dimensioned Rear View P/N 240008639, Rev. B [8/16/2011] Made in USA...
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Page 8: Ptac/Pthp Model Coding
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • PTAC/PTHP Model Coding Figure 5 Model coding Position number: Chassis coding [verify with rating plate] Product Series Compressor Codes 40 ] R_ _C - Stright Cool Unit - = TECH = LG = TOSHIBA... -
Page 9: Features
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Features Indoor coil freeze protection Anti-short cycle timer (standard) (standard) This feature will prevent the indoor coil from freeze up in the cooling The microprocessor control uses this timing to prevent short-cycling mode. -
Page 10: Optional Wall-Mounted Thermostats
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Features Selecting a thermostat Motorized fresh air damper (by others) (optional) When selecting a thermostat other than one offered by EMI, choose The optional motorized fresh air damper allows fresh air into the space to be conditioned. -
Page 11: Preparing For The Installation Of The Ptac/Pthp
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Preparing for the Installation of the PTAC/PTHP Electrical power connection WARNING Moving parts can cause personal injury. Avoid contact with Check the RetroAire unit rating plate for circuit ampacity and moving parts when testing or servicing the unit. -
Page 12: Installation Instructions - R40C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R40C Install the baffles — Slide the unit back out of the wall sleeve. Remove both sets of baffles from the kit bag supplied with unit. -
Page 13: Sequence Of Operation
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Sequence of Operation The following Sequence of Operation Trouble applies to PTAC/PTHP units. Code Status The R_ _C units are straight cool, single stage air conditioners avail- (Blinks) able with electric or hydronic heat. - Page 14 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Sequence of Operation (continued) NOTE: with auxiliary heat will continue until the outdoor coil sensor reaches 50 ºF (10 ºC). • Remote-Mount Cooling Operation depends on the features of the wall-mounted thermostat.
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Page 15: Final Inspection & Start-Up
Replacement Packaged Terminal Air-Conditioning / Heat Pump • 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 16: Setting The Control Board Jumpers
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) Figure 11 TEST jumper (selects normal or test mode) NOTICE All wiring should be in accordance with both the National Normal operation Test mode Electric Code (NEC) and the local building codes. -
Page 17: Start Up
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) Figure 13 Typical Representation of a Unit Mount Control Start Up Ensure the unit is secure and level. Heat pump units only —... -
Page 18: Heat Pump Pthp's
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) thermostat or system switch in the HEAT position. Place the NOTICE Adjust the thermostat to a warmer temperature. The room temperature must be above 65°F (18°C) for the The following should then occur: compressor to operate in cooling mode on PTAC's with unit- •... - Page 19 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) starts running. The compressor and outdoor fan should then turn on NOTICE and cold air will begin to flow from the unit. Let the unit continue operating to cool the room and remove humidity.
- Page 20 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) and turn on the indoor fan. NOTICE If a cooler room temperature is desired, adjust the thermostat to Room temperature must be below 85°F(29°C) to energize the a cooler temperature setting.
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Page 21: Maintenance & Troubleshooting
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting Figure 14 Manual Reset Limit Switch Monthly inspection and maintenance Reset Button DANGER Electrical shock hazard — disconnect power to the *Note: RetroAire replacement PTAC/PTHP before servicing or ac- Button will pop cessing the control compartment. -
Page 22: Heat Pump Units - Temporary Emergency Heating Mode
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting (continued) Look for oil leaks or stains on or around all braze joints and refrig- sensor from the circuit board. A 2-stage thermostat will provide erant lines. -
Page 23: Troubleshooting
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting (continued) Troubleshooting WARNING The troubleshooting procedures below should only be conducted by a qualified technician. Symptom Suggestion No heat or cooling • Check to see if the unit has power and if the thermostat is satisfied. If the thermostat is not satisfied, call your installing contractor or service contractor. -
Page 24: Reseting Limit Switch
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting (continued) Reseting Limit Switch Figure 16 5 kW heat models only ☐ — in the event the limit switch opens and de-energizes the electric heat, the limit switch will need to be manu- DANGER ally reset. -
Page 25: Performance Data
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Performance Data Table 2 R40C performance data Model Cooling Sensible Heat Indoor Air Flow R40C Btuh (kW) Ratio CFM (L/s) R40C_09 9,000 (2.6) 350 (165) R40C_12 11,000 (3.2) -
Page 26: Electrical Specifications
Replacement Packaged Terminal Air-Conditioning / Heat Pump • 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 3 R40 - 9.000 BTU electrical specifications Power Supply... - Page 27 Replacement Packaged Terminal Air-Conditioning / Heat Pump • 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 5 R40 - 15,000 BTU electrical specifications Power Supply...
- Page 28 Warranty ECR International Inc 2201 Dwyer Avenue Utica, NY 13501 e-mail: info@RetroAire.com An ISO 9001-2008 Certified Company The Right Fit for Comfort P/N 240008639, Rev. B [8/16/2011]...
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