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Packaged Terminal Air Conditioner (PTAC)
Packaged Terminal Heat Pump (PTHP)
Installation, Operation &
R15C - American Air Filter series 25 & Others, American
R50C - Dunham/Bush Newport Models I, II, III, IV
R60C | R60H - Remington , Singer, or Mcquay K/EK
R65C - Reminton, Singer, McQuay J/EJ and others
ECR International, Inc.
2201 Dwyer Avenue • Utica, New York 13501
Ph: 800.325.5279 • Web: retroaire.com
R15C - R50C
R60C/H - R65C
Maintenance Manual
Replacements for:
Standard 41
TM
P/N 240010545 Rev. B [10/24/2014
]
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Summary of Contents for ECR International R15C
- Page 1 Packaged Terminal Heat Pump (PTHP) Installation, Operation & Maintenance Manual Replacements for: R15C - American Air Filter series 25 & Others, American Standard 41 R50C - Dunham/Bush Newport Models I, II, III, IV R60C | R60H - Remington , Singer, or Mcquay K/EK R65C - Reminton, Singer, McQuay J/EJ and others ECR International, Inc.
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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: Dimensional/Physical Data
R15C, R50C - DIMENSIONAL/PHYSICAL DATA Figure 1 R15C Dimensions - Inches (mm) 316mm 12.43in [76mm] 3.00in 3.00 876mm 89mm 34.50in 3.50in [298mm] 582mm 11.75in 11.75 22.92in [441mm] 17.38in 344mm 17.38 13.53in 463mm 18.22in [492mm] 19.38in 19.38 883mm 34.75in [400mm] 15.75in 15.75... - Page 6 DIMENSIONAL/PHYSICAL DATA Figure 3 R60C/R60H Chassis Figure 4 R65C Chassis [470mm] 18.50in [451mm] 17.75in [329mm] 12.97in [94mm] 3.69in [721mm] [349mm] 28.38in 13.75in [155mm] 6.12in The Right Fit for Comfort P/N 240010545, Rev. B [10/24/2014...
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Page 7: General Product Information
GENERAL PRODUCT INFORMATION Product Description • Ability to utilize 1-stage or 2-stage thermostat. 2 stage thermostat is capable of activating emergency • Available in straight cooling (PTAC) or heat pump heat if auxiliary heat source is available. systems (PTHP). • Low ambient protection — see "Microprocessor •... -
Page 8: Features
FEATURES Anti-Short Cycle Timer (Standard) Indoor Coil Freeze Protection (Standard) Prevents indoor coil from freeze up in cooling mode. Microprocessor control uses this timing to prevent • Indoor coil freeze up can occur due to a dirty air filter, compressor short-cycling. restricted or poor air flow, low refrigerant charge or low •... - Page 9 FEATURES Hydronic Heating (Optional) Optional Wall-Mounted Thermostats Hydronic heat package may be selected in lieu of electric PTAC/PTHP compatible thermostats. heat. Heating operation is same as that of units with • Manufacture offers single stage, cool/heat, thermostat electric heat. that can be used in all RetroAire cooling, heating or heat pump applications.
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Page 10: 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 11: Installation - R15C
R15C - INSTALLATION Installation Connecting optional hydronic coil controls. If hydronic heat option has been ordered, field install Verify existing wall thickness. Distance from the hydronic coil on the new unit. Coil with old unit condenser coil to outdoor louver varies with wall sleeve can be located in subbase, under chassis in a special depth. - Page 12 R15C /R15H - INSTALLATION Figure 5 R15C Chassis Unit Mount Controls Fan Speed Switch Thermostat (FSS) To use this format set your tiff output to Print capture, 150dpi, C -Landscape, Scale to fit System for best results Switch T41 Bracket...
- Page 13 R15C /R15H - INSTALLATION Figure 6 R15C Baffles Figure 7 Weather Angles Reversed to Change Offset Type 25 Weather Angle Type 41 Weather Angle Baffles Top View of Baffles Size 1 Size 2 Velcro Strips Size 3 Sensing Bulb Figure 8 Direction of Baffles and Foam Installation Size 4 Foam Open Cell 1/2"...
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Page 14: Installation - B15C
INSTALLATION - B15C Installation Instructions - B15C Figure 9 B15C Blower Deck Wire Ties Remove existing wire ties holding wires shown on blower deck. See figure 9. Guide the wire harness and 4 position molex from B15 Figure 10 Wire Harness and 4 Position Molex to R15 chassis plenum. -
Page 15: Installation - R50C
INSTALLATION - R50C Installation Connecting optional hydronic coil controls If hydronic heat option has been ordered, field install Verify existing wall thickness. Distance from the hydronic coil on the new unit. Coil with old unit condenser coil to outdoor louver varies with wall sleeve can be located in subbase, under chassis in a special depth. - Page 16 INSTALLATION - R50C Installation Kit Contents: Figure 13 R50C Chassis and Install Kit • Installation Manual • Size 1 - left & right baffles • Size 2 - left & right baffles • 1∕2” x 1∕2” open-cell foam tape • 1” x 1” open-cell foam tape •...
- Page 17 To use this format set your tiff output to Print capture, 150dpi, C -Landscape, Scale to fit for best results INSTALLATION - R50C/R50H Figure 15 R50C Chassis Manual Fresh Removeable Control Box Cover Power Connections 3-POS Molex 5-POS Molex UM or RMT Connections Fan Cycle Switch...
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Page 18: Installation - R60C/R60H
INSTALLATION - R60C/R60H Installation Connecting accessory field installed Aquastat. (If ordered) Verify existing wall thickness. Distance from A. Remove black jumper wire located on bottom panel condenser coil to outdoor louver varies with wall sleeve of control box. This is terminated with 2-position depth. - Page 19 INSTALLATION - R60C/R60H Figure 16 R60C | R60H Chassis C60 CONTROL UNIT R60 BLOWER UNIT Speed Switch (FSS) Thermostat System To use this format set your tiff outpu Switch (SS) Print capture, 150dpi, C -Landscape, Sc for best results R60 BASE UNIT High Pressure Switch (HPS) Fan Cycle...
- Page 20 INSTALLATION - R60C/R60H Figure 17 R60C | R60H Foam Installation Figure 20 R60C | R60H Weather Angeles Reversed to Gain Extra Distance 1/2" x 1/2" Foam Figure 18 R60C | R60H Baffles Weather Angle / Stop Baffles Figure 19 R60C | R60H Baffle Distance Coil The Right Fit for Comfort P/N 240010545, Rev.
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Page 21: Installation - R65C
INSTALLATION - R65C/R65H Installation Connecting accessory field installed Aquastat. (If ordered) Verify existing wall thickness. Distance from A. Remove black jumper wire located on bottom panel condenser coil to outdoor louver varies with wall of control box. This is terminated with 2-position sleeve depth. -
Page 22: Installation Kit
INSTALLATION - R65C Figure 21 R65C | R65H Chassis and Installation Kit R65 CHASSIS B65 BLOWER C65 CONTROL REMOTE UNIT MOUNT C65 CONTROL Fan Speed PANEL Switch Thermostat (FSS) System Switch (SS) Fan Cycle Hydronic Switch NO/NC (FCS) Switch Valve Orientation Switch (VOS) The Right Fit for Comfort... - Page 23 INSTALLATION - R65C Figure 22 R65C | R65H Baffle Direction and Figure 24 R65C Air Baffle Kit 550003010 Foam Installation Installation screws screw Place baffle between sheet metal ends of condenser coil as shown. Install 3 screws. Weather Angle Baffles Figure 25 R65C Air Baffle Kit 550003010 Figure 23 R65C Foam Tape Installation Installed...
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Page 24: Field Installation Of Sensor Wires - R65C
R65C - FIELD INSTALLATION OF SENSOR WIRES Route sensor wires from chassis to control board. Attach control panel cover and wire cover. Chassis Wire Cover Control Panel Cover Blower Section Control Connect wires to control board. Label Indoor To ensure proper operation connect wires to control board indoor. -
Page 25: Sequence Of Operation
SEQUENCE OF OPERATION Sequence of Operation Figure 26 - Control Board • R_ _C units are straight cool, single stage air conditioners available with electric or hydronic heat. • R_ _H units are limited range, single stage heat pump. TEST Mechanical compression heating (heat pump mode) is Configuration Jumper... - Page 26 SEQUENCE OF OPERATION • If equipped with Motorized Fresh Air Damper, and is NOTE: Remote-Mount Heating Operation depends on active with Fresh Air Switch [FAS], damper will open features of wall-mounted thermostat. By default fan will with call for the indoor fan. cycle with call for Heating.
- Page 27 SEQUENCE OF OPERATION B. If Fan Cycle Switch [FCS] is set to “Off” (2 ºC). If the FCS is set to “Off”, the indoor (Cycling Fan Operation), indoor fan motor fan will continue to operate for 60 seconds or starts with call for heating from internal until the hydronic coil temperature as sensed thermostat [T’stat].
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Page 28: Final Inspection & Start-Up
FINAL INSPECTION & START-UP Before Operating The Unit Figure 27 - 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 29: Test Mode
FINAL INSPECTION & START-UP Electrical Connections Figure 29 - 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 30 FINAL INSPECTION & START-UP Figure 31 - TEST jumper (selects normal or test mode) TEST JUMPER HEAT PUMP JUMPER The Right Fit for Comfort P/N 240010545, Rev. B [10/24/2014...
- Page 31 FINAL INSPECTION & START-UP Start Up Figure 32 Typical Representation - Unit Mount Verify unit is secure and level. 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 32: 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 33 FINAL INSPECTION & START-UP Heat Pump PTHP's If cooler room temperature is desired, adjust thermostat to cooler temperature setting. Heating Unit is equipped with reversing valve, energized for cooling mode stops and compressor and outdoor fan stop. and de-energized in heating mode. Indoor fan will switch off after sixty-second purge time Cooling Cycle —...
- Page 34 FINAL INSPECTION & START-UP Auxiliary Heating Operation — Heat Pump Units — Outdoor Temperature Below 40°F (4°C) — Hydronic Option Room temperature must be below 85°F (29°C) for hydronic heater to operate on PTHP's with unit-mounted controllers. Hydronic valve is 24Vac normally open valve. Should power be lost to the unit, the valve will default to open position.
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Page 35: Maintenance
MAINTENANCE WARNING Figure 33 - 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 36 MAINTENANCE Troubleshooting Sensors Air leaks may make the conditioned area See figure 34 for location of sensor connections to the uncomfortably drafty or produce noises. Visually control board. inspect foam gasket between wall and unit, taking If temperature response of indoor or outdoor sensor note of separation between air inlet for condenser is not correct, disconnect sensor from control board and condenser coil discharge.
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Page 37: 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 38: Performance Data
PERFORMANCE DATA Table 3 R15 C Performance Data Fresh Air Indoor Air Shipping Sensible Cooling Inlet Model Flow Weight Heat Flow Ratio Btuh (kW) CFM (L/s) CFM (L/s) lbs (Kg) R_ _C 09 9,000 (2.6) 0.75 8.98 400 (189) 35 (17) 140 (64) R_ _C 12 11,500 (3.7) -
Page 39: Electrical Specifications
ELECTRICAL SPECIFICATIONS Table 8 R15 - 9,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60 Motor Motor Volt Volt MOCP Plug 115V 45.6 0.09 0.125 13.0 5-20P 6-15P 2454 11.8 12.4 15.5 6-20P 3000... - Page 40 ELECTRICAL SPECIFICATIONS Table 9 R15 - Cooling Capacity 15,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60 Motor Motor Volt Volt MOCP Plug 10.9 6-15P 2454 11.8 12.4 15.5 6-20P 3000 13.6 17.1 208/...
- Page 41 ELECTRICAL SPECIFICATIONS Table 12 R50 - 9,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60 Motor Motor Volt Volt MOCP Plug 115V 45.6 0.09 0.125 11.0 13.0 5-15P 6-15P 208/ 22.2 0.08 0.71 0.09...
- Page 42 ELECTRICAL SPECIFICATIONS Table 15 R65 - 9,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60 Motor Motor Volt Volt MOCP Plug 115V 45.6 0.09 0.17 11.0 13.0 2454 11.8 12.4 15.5 HARD 208/ WIRE...
- Page 43 ELECTRICAL SPECIFICATIONS Table 17 R60 - 9,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60 Motor Motor Volt Volt MOCP Plug 115V 45.6 0.09 0.125 11.0 13.0 2454 11.8 12.4 15.5 3000 13.6 17.1...
- Page 44 ELECTRICAL SPECIFICATIONS Table 18 R60 - Cooling Capacity 15,000 BTU Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt 1–60 Motor Motor Volt Volt MOCP Plug 10.9 2454 11.8 12.4 15.5 3000 13.6 17.1 208/ 0.08 0.25...
- Page 45 ELECTRICAL SPECIFICATIONS LEGEND Rated Load Amps Full Load Amps Horse Power Watts Heater Amps Total Cooling Amps Total Heating Amps Minimum Circuit Amps MOCP Maximum Over Current Protection Made in USA P/N 240010545, Rev. B [10/24/2014...
- Page 46 NOTES The Right Fit for Comfort P/N 240010545, Rev. B [10/24/2014...
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Page 47: Limited Product Warranty
1) Contact the installing contractor 2) Call the nearest RetroAire sales rep/distributor 3) Call, E-Mail or write: RetroAire, c/o ECR International, Inc., 2201 Dwyer Avenue, Utica, NY 13501, Ph: 1-800-325-5479 Fax: 1-866-432-7329, E-Mail: info@RetroAire.com, Web: www.RetroAire.com. P/N 240009782 Rev B (9/2013) Made in USA P/N 240010545, Rev. - Page 48 ECR International, Inc. 2201 Dwyer Avenue • Utica, New York 13501 Phone: 1.800.325.5279 • Web: retroaire.com...
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