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TM
R40C/R41C
Packaged Terminal Air Conditioner (PTAC)
Installation, Operation &
Maintenance Manual
Replacement for:
Fedders Model CMEA packaged Terminal Unit
R40C
R41C
ECR International, Inc.
2201 Dwyer Avenue • Utica, New York 13501
Ph: 800.325.5279 • Web: retroaire.com
P/N 240010598 Rev. A [05/12/2014
]
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Table of Contents
Related Manuals for ECR R40C
Summary of Contents for ECR R40C
- Page 1 Packaged Terminal Air Conditioner (PTAC) Installation, Operation & Maintenance Manual Replacement for: Fedders Model CMEA packaged Terminal Unit R40C R41C ECR International, Inc. 2201 Dwyer Avenue • Utica, New York 13501 Ph: 800.325.5279 • Web: retroaire.com P/N 240010598 Rev. A [05/12/2014...
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Page 2: Table Of Contents
UL-484 Information and specifications outlined in this manual in effect at the time of printing of this manual. ECR International reserves the right to discontinue, change specifications or system design at any time without notice and without incurring any obligation, whatsoever. -
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. General Information Inspection Installation shall be completed by qualified agency. Retain Check shipment against bill of lading. this manual for future reference. -
Page 4: Important Safety Information
IMPORTANT SAFETY INFORMATION All field wiring shall conform to requirements of authority WARNING having jurisdiction or in absence of such requirements: Tampering with PTAC/PTHP is dangerous and could • United States - National Electrical Code, ANSI/NFPA result in death or serious injury. Do not modify or change this unit. -
Page 5: R40C - Dimensional/Physical Data
R40C - DIMENSIONAL/PHYSICAL DATA Figure 1 R40C Dimensions - Inches (mm) Front View Figure 2 R40C Dimensions - Inches (mm) Rear View Made in USA P/N 240010598, Rev. A [05/12/2014... - Page 6 R40C - DIMENSIONAL/PHYSICAL DATA Figure 3 R40C Chassis Thermostat High Pressure Switch (HPS) reset Unit Mount 5-POS Terminal Block Fan Speed System Switch Switch (FSS) (SS) Remote Mount Optional Optional Knockouts Knockouts The Right Fit for Comfort P/N 240010598, Rev. A [05/12/2014...
- Page 7 R40C - DIMENSIONAL/PHYSICAL DATA Figure 4 R40C Chassis Electrical Box Rating Plate Remove Screws to Open Door Electrical Diagram Open/Close Made in USA P/N 240010598, Rev. A [05/12/2014...
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Page 8: R41C - Dimensional/Physical Data
R41C - DIMENSIONAL/PHYSICAL DATA Figure 5 R41C Dimensions - Inches (mm) Front View 12 Position Molex Ground Terminal Block Knockouts for Optional Switches High Pressure Switch (HPS) reset The Right Fit for Comfort P/N 240010598, Rev. A [05/12/2014... - Page 9 R41C - DIMENSIONAL/PHYSICAL DATA Figure 6 R41C Chassis Electrical Box Rating Plate Remove Screw to Open Door Electrical Diagram Open/Close Made in USA P/N 240010598, Rev. A [05/12/2014...
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Page 10: General Product Information
GENERAL PRODUCT INFORMATION Product Description • All hydronic heat units include molex plugs for connection of hydronic valve motor. • Available in straight cooling (PTAC). • Remote mount controls include fan speed control and • Use R-410A refrigerant. fresh air switch, if equipped. •... -
Page 11: Features
FEATURES Condensate Removal (Standard) Hydronic Heating (Optional) Hydronic heat package may be selected in lieu of electric RetroAire replacement unit, cooling operation, is designed heat. Heating operation is same as that of units with to eliminate condensate by slinging it onto outdoor coil. electric heat. -
Page 12: Installation Preparation
INSTALLATION PREPARATION Each unit must have separate branch circuit protected DANGER by fuse or breaker. Refer to unit rating plate for proper Electrical shock hazard — Verify power to existing wire and breaker or fuse size. Use of extension cords is unit is disconnected before removing. -
Page 13: Installation
INSTALLATION Installation Install Baffles - Install correct condenser baffles for proper performance of unit. Verify existing wall thickness. Distance from See Figures 7 and 8 condenser coil to outdoor louver varies with wall sleeve A. Slide unit back out of wall sleeve. depth. -
Page 14: R40C - Baffle Installation
R40C - BAFFLE INSTALLATION Figure 7 R40C Baffle Options Standard Baffle Standard Baffle Standard Baffle Standard Baffle The Right Fit for Comfort P/N 240010598, Rev. A [05/12/2014... -
Page 15: R41C - Baffle Installation
R41C - BAFFLE INSTALLATION Figure 8 R41C Baffle Options and Field Ground Connection Standard Baffle Optional Baffle For Deeper Wall Sleeves Standard Baffle Standard Baffle Optional Baffle For Deeper Wall Sleeves Field GRND Connected to Ground Terminal Made in USA P/N 240010598, Rev. -
Page 16: Sequence Of Operation
SEQUENCE OF OPERATION Sequence of Operation Figure 9 - Control Board • R_ _C units are straight cool, single stage air conditioners available with electric or hydronic heat. General TEST Microprocessor controlled unit. Thermostat and control Configuration connections are made to the control board. Jumper Two configuration jumpers are located on the board. - Page 17 SEQUENCE OF OPERATION • Once room temperature falls below set point by 3º F (2º • Anti-Short Cycle Timer is initiated, prohibiting C) compressor, outdoor fan motor and reversing valve compressor operation for 180 seconds. Processor will de-energize. Board Trouble Code LED flashes 3 blink Trouble Code, indicating auxiliary heat operation.
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Page 18: Final Inspection & Start-Up
FINAL INSPECTION & START-UP Before Operating The Unit Figure 10 - Proper Air Flow Diagram Install unit per the instructions outlined in this manual and all applicable local and national codes. Verify electrical supply matches electrical requirements of the unit, and unit is properly grounded. Examine control box. -
Page 19: Test Mode
FINAL INSPECTION & START-UP Electrical Connections Figure 12 - HP Jumper (selects heat pump or straight cooling) Installation and wiring shall be in accordance with requirements of authority having jurisdiction In absence of such requirements refer to: • USA- National Electrical Code, ANSI/NFPA 70. Heat Pump Mode •... - Page 20 FINAL INSPECTION & START-UP Figure 14 TEST jumper (selects normal or test mode) TEST JUMPER HEAT PUMP JUMPER The Right Fit for Comfort P/N 240010598, Rev. A [05/12/2014...
- Page 21 FINAL INSPECTION & START-UP Start Up Figure 15 Typical Representation - Unit Verify unit is secure and level. Mount Control Heat pump units only — Verify thermostatic drain pan valve is operating correctly. Valve should be closed if temperature is above 60° F and open if below 60°F. Test fresh air damper, if equipped, by setting damper door switch to "YES".
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Page 22: Important Information
FINAL INSPECTION & START-UP Straight Cooling PTAC's Heating Cycle — Hydronic Option Important Information Before Starting The unit: • Room temperature must be above 65°F (18°C) for • Verify motor valve is rated for correct voltage. compressor to operate in cooling mode on PTAC's with •... - Page 23 FINAL INSPECTION & START-UP Auxiliary Heating Operation — Electric Option Room temperature must be below 85°F(29°C) to energize heater on PTHP's with unit-mounted controllers. Place thermostat or system switch in HEAT position. Adjust thermostat to warmer temperature until indoor fans start running and electric coil starts emitting heat. After space gets warmer, adjust thermostat to cooler temperature until electric heater turns off.
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Page 24: Maintenance
MAINTENANCE WARNING Figure 16 - Manual Reset Limit Switch Electrical shock hazard. Disconnect power to unit Reset Button before servicing or accessing control compartment. Failure to do follow these instructions could result in death or serious injury. *Note: NOTICE Button will pop out when limit Perform regular service and maintenance by switch opens. - Page 25 MAINTENANCE Troubleshooting Sensors Air leaks may make the conditioned area uncomfortably drafty or produce noises. Visually See Figure 17 for location of sensor connections to the inspect foam gasket between wall and unit, taking control board. note of separation between air inlet for condenser If temperature response of indoor or outdoor sensor and condenser coil discharge.
- Page 26 MAINTENANCE Figure 18 R40 Limit Switch Location Remove plug to access Limit Switch Reset Button, Replace Plug when complete Use long blunt tool to depress limit switch reset button Reset Button *Note: Button will pop out when limit switch opens. Push in to reset.
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Page 27: Troubleshooting
TROUBLESHOOTING WARNING NOTICE Electrical shock hazard. Disconnect power to unit Have qualified technician conduct troubleshooting before servicing or accessing control compartment. procedures. Failure To follow these instructions could result in death or serious injury. Symptom Suggestion No heat or cooling •... -
Page 28: R40C - Performance Data
350 (165) R 40 C 12 10,800 (3.17) 350 (165) R 40 C 15 13,200 (3.90) 8.09 350 (165) Table 4 R40C - 9,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60... -
Page 29: R41C - Performance Data
R41C - PERFORMANCE DATA Table 7 R41C Performance Data Sensible Cooling Indoor Air Flow Model Heat Ratio Btuh (kW) CFM (L/s) R 40 CA09 9,000 (2.6) 8.98 350 (165) Table 8 R41C - 9,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat... - Page 30 NOTES The Right Fit for Comfort P/N 240010598, Rev. A [05/12/2014...
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Page 31: Warranty
WHAT RETROAIRE WILL WARRANT: ECR will provide a replacement for or, at the discretion of RetroAire, repair any functional component that proves to be defective in material or workmanship, under normal maintenance and operating conditions, within the prescribed warranty period. - Page 32 ECR International, Inc. 2201 Dwyer Avenue • Utica, New York 13501 Phone: 1.800.325.5279 • Web: retroaire.com...
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