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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 Certified Company
R15C - R50C - R55C
R60C / H - R65C
Packaged Terminal Air Conditioner (PTAC)
™
Packaged Terminal Heat Pump (PTHP)
Btuh
kW
Model
Btuh
kW
Model
Installation, Operation,
& Maintenance Manual
R15C
Replacement for:
American Air Filter series 25 & Others,
American Standard 41
R55C
Replacement for:
Remington EB
R65C
Replacement for:
Reminton, Singer,
McQuay J/EJ and others
Straight cooling nominal capacities
9,000
12,000
2.6
3.5
R15C
R50C
R55C
R60C
R65C
Heat pump nominal capacities
9,000
12,000
2.6
3.5
R60H
R50C
Replacement for:
Dunham/Bush Newport
Models I, II, III, IV
R60C | R60H
Replacement for:
Remington , Singer, or Mcquay K/EK
15,000
18,000
4.4
5.3
15,000
4.4
P/N 240008223, Rev. K [
05/14/2012
]
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Summary of Contents for Retro Aire R15C
- Page 1 R15C - R50C - R55C R60C / H - R65C Packaged Terminal Air Conditioner (PTAC) ™ Packaged Terminal Heat Pump (PTHP) Straight cooling nominal capacities Th e Right Fit for Comfort Btuh 9,000 12,000 15,000 18,000 R15C R50C Model R55C...
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Page 2: Table Of Contents
Before operating the unit ... . . 34 R15C/R15H Chassis ....5 Setting the control board jumpers..34 R50C/R50H Chassis . -
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 DANGER of important safety information. Electrical Supply Carefully read the rating plate located on the front panel. Th e RetroAire replacement PTAC/PTHP must: Inspection Be properly connected... -
Page 4: General Product Information
• Installation, Operation, and Maintenance Manual • General Product Information 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) Pumps units are available in straight cooling (PTAC) or as heat pump •... -
Page 5: R15C/R15H Chassis
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • General Product Information (continued) Figure 1 R15C | R15H chassis Unit Mount Controls T41 Bracket Speed Switch (FSS) Thermostat T25 Bracket System Switch (SS) Remote Controls... -
Page 6: R50C/R50H Chassis
• Installation, Operation, and Maintenance Manual • Figure 2 R50C Chassis Manual Fresh Air Removeable Control Box Cover Power Connections 3-POS 5-POS Molex Molex Cycle Switch UM or RMT Connections Hydronic 5-POS 4-POS NO/NC Switch Molex Molex Valve Orientation Switch (VOS) Hydronic Motor Connections 6-POS... - Page 7 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Figure 3 R50C Blower Section 4 -POS Fan Motor Power and Fan Speed Figure 4 R50C Control Box Speed Switch (FSS) System Switch (SS) Elec HT Power Remote Plug...
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Page 8: R55C/R55H Chassis
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • | R55H chassis Figure 6 R55C Speed Switch (FSS) Control Blower Unit Unit System Switch (SS) Thermostat Thermostat Line Cord Hydronic NO/NC Switch Valve Orientation Switch (VOS) Base High Pressure... -
Page 9: R60C/R60H Chassis
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • | R60H chassis Figure 7 R60C Blower Speed Unit Switch (FSS) Thermostat System Switch (SS) Control Unit High Pressure Switch (HPS) Fan Cycle Switch (FCS) Base Rating Fresh Air Plate... -
Page 10: R65C/R65H Chassis
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • | R65H chassis Figure 8 R65C R65 Chassis B65 Blower C65 Control Unit Mount Remote Speed Switch C65 Control Panel (FSS) Thermostat System Switch (SS) Fan Cycle Hydronic Switch (FCS) NO/NC Switch... -
Page 11: Ptac/Pthp Model Coding
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • PTAC/PTHP Model Coding Figure 9 Model coding Chassis coding [verify with rating plate] Product Series: R__C - Straight Cool Unit (15,50,55,60,65 ONLY) Design Revision: R__H - Heat Pump Unit (Only 60) = Revision level Cooling Capacity (Btuh): 09-09,000 Btuh (15,50,55,60,65 Only) - Page 12 • Installation, Operation, and Maintenance Manual • PTAC/PTHP Model Coding Blower/Control Section Modular PTAC - 15,50,55,60,65,90 Design Revision: = Revision Level Product Series: B or C_ _ "B" for Blower Section "C" for Control Section Straight Cool or Heat Pump: Standard/Special: C - Straight Cool Control Box for = Standard...
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Page 13: Features
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Features • Th is keeps the base pan free of condensate water, which could Indoor coil freeze protection (standard) otherwise freeze during colder outdoor temperatures. Th is feature will prevent the indoor coil from freeze up in the cooling mode. -
Page 14: Optional Wall-Mounted Thermostats
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Features Heat pump Optional wall-mounted thermostats Heat pump units are “Limited Range” and should be equipped with Thermostats available from EMI back-up electric resistance or hydronic heat. Limited Range heat pumps are designed to operate when outdoor temperatures are EMI off ers a thermostat that is compatible with your PTAC/PTHP between 75°F(24°C) and 40°F(4.4°C) and with a maximum indoor... -
Page 15: 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 WARNING Electrical powe r connection 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 16: Installation Instructions - R15C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R15C It is necessary to know where the coil is to be located and the Installation physical size of the coil so the new coil can be verifi ed if ordered for replacement. -
Page 17: Installation Instructions — R15C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R15C (continued) R15C/R15H chassis and installation kit con- Figure 10 Figure 12 Weather angles can be reversed to change off set tents Type 25... - Page 18 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — B15C 1. Remove existing wire ties holding shown wires on blower deck 2. Guide wire harness and 4 position molex from B15 into R15 chassis plenum as show bellow The Right Fit for Comfort P/N 240008223, Rev.
- Page 19 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — B15C (continued) 3. Rear view of installed B15 wire harness and 4 position molex YELLOW WIRE TO CAPACITOR MOTOR WIRES GREEN GROUND WIRE 4.
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Page 20: Installation Instructions - R50C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R50C | R50H INSTALLATION FOR NEW CONSTRUCTION | R50H chassis and installation kit contents Figure 14 R50C Installation kit con- tents • Installation manual •... -
Page 21: Installation Instructions — R50C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R50C | R50H (continued) Connecting the accessory Aquastat — If the accessory NOTICE Aquastat has been ordered, then it will need to be fi eld installed. Th e correct condenser air baffl es must be installed or performance •... -
Page 22: Installation Instructions - R55C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R55C | R55H | R55H chassis and installation kit contents Figure 17 R55C Installation kit contents Wall • Installation manual Sleeve • (1 set) left & right baffl es •... -
Page 23: Installation Instructions — R55C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R55C | R55H (continued) • Connect this 2-position connector to the 2-position connection NOTICE located on the bott om of the control box panel. Th e correct condenser air baffl es must be installed or performances Connecting the accessory Aquastat —... -
Page 24: Installation Instructions - R60C | R60H
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R60C | R60H | R60H chassis and installation kit contents Figure 21 R60C Installation kit contents • Installation manual • (Size 1) left & right baffl es •... -
Page 25: Installation Instructions — R60C | R60H
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R60C | R60H CONTROLS (continued) Install the baffl es Foam tape installation hydronic coil buy controls — If — Once the weather angles are verifi ed. Slide the unit back out of the wall sleeve. -
Page 26: Installation Instructions - R65C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Installation Instructions — R65C | R65H | R65H chassis and installation kit contents Figure 25 R65C Installation kit contents • Installation manual • (1 set) left & right baffl es •... -
Page 27: Installation Instructions — R65C
• Installation, Operation, and Maintenance Manual • Installation Instructions — R65C | R65H (continued) Install the foam tape coil so the new coil can be verifi ed if ordered for replacement. — Apply 1” x 1” open-cell foam strips to Th e new coil should be installed in the same manner as the coil prevent outside air from entering around the chassis to the room it is replacing. -
Page 28: Field Installation Of Sensor Wires - R65C
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Field Installation of Sensor Wires 1. Route sensor wires from chassis to control board Chassis Blower Section Control The Right Fit for Comfort P/N 240008223, Rev. K [05/14/2012]... - Page 29 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Field Installation of Sensor Wires (continued) 2. Connect wires to control board Label Indoor TO ENSURE PROPER OPERATION CONNECT WIRES TO CONTROL BOARD INDOOR Outdoor Indoor TO ENSURE PROPER OPERATION Label CONNECT WIRES TO CONTROL...
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Page 30: Sequence Of Operation
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Sequence of Operation Trouble The following Sequence of Operation Code Status applies to PTAC/PTHP units. (Blinks) Th e R_ _C units are straight cool, single stage air conditioners avail- Normal Operation able with electric or hydronic heat. -
Page 31: R_ _C / R_ _H: Heating Operation
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. -
Page 32: Final Inspection & Start-Up
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up CAUTION Before operating the unit Any obstruction of supply air, including the use of defl ector baffl es, may cause condensate to form on the louver or cabinet ☐... -
Page 33: Setting The Control Board Jumpers
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) Figure 32 TEST jumper (selects normal or test mode) NOTICE All wiring should be in accordance with both the National Test mode Normal operation Electric Code (NEC) and the local building codes. -
Page 34: Before Operating The Unit
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) Figure 34 Typical Representation of a Unit Mount Control Start Up Ensure the unit is secure and level. Heat pump units only —... -
Page 35: 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. Th e room temperature must be above 65°F (18°C) for the Th e following should then occur: compressor to operate in cooling mode on PTAC's with unit- •... - Page 36 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Final Inspection & Start-up (continued) starts running. Th e compressor and outdoor fan should then turn on NOTICE and cold air will begin to fl ow from the unit. Let the unit continue operating to cool the room and remove humidity.
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Page 37: Start-Up
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 sett ing. -
Page 38: Maintenance & Troubleshooting
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting Figure 35 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 39: 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 40: Troubleshooting
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Maintenance & Troubleshooting (continued) Troubleshooting WARNING Th e troubleshooting procedures below should only be conducted by a qualifi ed technician. Symptom Suggestion No heat or cooling •... -
Page 41: Performance Data
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Performance Data Table 2 R15 performance data Model Cooling Sensible Indoor Air Fresh Air Inlet Shipping Heat Flow Flow Weight Ratio Btuh (kW) CFM (L/s) CFM (L/s) lbs (Kg) R_ _C 09 9,000 (2.6) -
Page 42: Electrical Specifi Cations
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Electrical Specifi cations Table 7 R15 - 9.000 BTU electrical specifi cations Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt... - Page 43 • Installation, Operation, and Maintenance Manual • Electrical Specifi cations Table 9 R15 - Cooling Capacity 15,000 BTU electrical specifi cations Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt Htr # Volt MOCP Plug...
- Page 44 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Electrical Specifi cations Table 11 R50 - 9.000 BTU electrical specifi cations Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt...
- Page 45 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Electrical Specifi cations Table 15 R55 - 9.000 BTU electrical specifi cations Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt...
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Page 46: Notice
Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Table 19 R60 - 9.000 BTU electrical specifi cations Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt Htr # Volt... - Page 47 Replacement Packaged Terminal Air-Conditioning / Heat Pump • Installation, Operation, and Maintenance Manual • Table 21 R60 - Cooling Capacity 15,000 BTU electrical specifi cations Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt...
- Page 48 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 240008223, Rev. K [ 005/14/2012...
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