Table of Contents
Advertisement
Quick Links
R90C / H
Packaged Terminal Air Conditioner (PTAC)
Packaged Terminal Heat Pump (PTHP)
™
The Right Fit for Comfort
Installation, Operation,
& Maintenance Manual
ECR International Inc
2201 Dwyer Avenue
Utica, NY 13501
e-mail: info@RetroAire.com
An ISO 9001-2008 Certified Company
P/N 240010330, Rev. A [10/15/2013]
Advertisement
Table of Contents
Related Manuals for ECR RetroAire R90C
Summary of Contents for ECR RetroAire R90C
- Page 1 Packaged Terminal Air Conditioner (PTAC) Packaged Terminal Heat Pump (PTHP) ™ The Right Fit for Comfort Installation, Operation, & Maintenance Manual ECR International Inc 2201 Dwyer Avenue Utica, NY 13501 e-mail: info@RetroAire.com An ISO 9001-2008 Certified Company P/N 240010330, Rev. A [10/15/2013]...
-
Page 2: Table Of Contents
AHRI Standards 310/380 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. Inspection General Information Check shipment against bill of lading. Installation shall be completed by qualified agency. Retain this manual and warranty for future reference. -
Page 4: Important Safety Information
IMPORTANT SAFETY INFORMATION Safety Information All field wiring shall conform to requirements of authority having jurisdiction or in absence of such requirements: • Installation by qualified personnel. • United States - National Electrical Code, ANSI/NFPA 70 • Turn off electrical supply before servicing unit. •... -
Page 5: Performance Data
PERFORMANCE DATA Table 1 Performance Data - Cooling Outdoor Cooling Indoor Air Fresh Air Shipping Sound Sensible Capacity Flow Inlet Flow Weight Model Level Voltage Heat R90C Ratio Btuh (kW) CFM (L/S) CFM (L/s) lbs (Kg) 9000 (2.7) 440 (207.7) R_ _C 09 0.79 35 (17) -
Page 6: Dimensional/Physical Data
DIMENSIONAL/PHYSICAL DATA Figure 1 R90C R90H Dimensions - Inches (mm) DUCT COLLAR The Right Fit for Comfort P/N 240010330, Rev. A [10/15/2013]... -
Page 7: Product Description
PRODUCT DESCRIPTION Figure 2 R90C R90H Chassis Line Cord Hydronic Molex NO/NC Switch Connector Valve Orientation from control Switch (VOS) Board High Fresh Air Switch Pressure (FAS) Switch Electrical (HPS) Diagram Cycle Aquastat Rating Switch W/ Jumper Plate (FCS) T-Stat Speed Option B Valve... - Page 8 PRODUCT DESCRIPTION Product Description Controls • RetroAire Replacement Packaged Terminal Air • Unit-mounted operating controls include thermostat, fan Condition/Heat Pumps units are straight cooling (PTAC) speed control, heat/cool switch, fan cycle switch, fresh or heat pump systems (PTHP). air switch (if equipped). •...
- Page 9 PRODUCT DESCRIPTION Manufacturer Installed Options (Consult Field-Installed Accessories • Hydronic heat — coil assembly is shipped loose for field manufacturer) installation. • 265/277V(12 and 15 only) • Remote wall thermostat — digital 1-stage or 2-stage available. • 115V (09 &12 Models Only) •...
-
Page 10: Ptac/Pthp Installation Preparation
PTAC/PTHP INSTALLATION PREPARATION Electrical Power Connection WARNING Verify RetroAire unit rating plate for circuit ampacity Electrical shock hazard. Before opening existing and required breaker or fuse size. unit, open power supply disconnect switch. Secure Verify existing breaker or fuse is correct size. switch in open position during installation. -
Page 11: Installation Instructions - R90C | R90H
INSTALLATION INSTRUCTIONS — R90C | R90H Installation - R90C/R90H Figure 3 Direction Of Baffles And Foam Verify existing wall thickness — distance from Installation condenser coil to outdoor louver varies with sleeve depth. • Standard air baffles are included to accommodate most installation requirements. - Page 12 INSTALLATION INSTRUCTIONS — R90C | R90H Connecting (optional) hydronic coil controls — If D. DO NOT turn on power until completing instructions hydronic heat option has been ordered, hydronic coils in "Inspection and Startup" on page 16. will need to be field installed on new unit. Do Not Plug Line Cord In, If In Used Condition.
-
Page 13: Sequence Of Operation
SEQUENCE OF OPERATION General Figure 5 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. Mechanical compression heating (heat pump mode) is locked out at outdoor temperatures of approximately 35ºF (1.7ºC) and below. - Page 14 SEQUENCE OF OPERATION R_ _C / R_ _H; Cooling Operation R_ _C / R_ _ H; Heating Operation System Switch [SS] set to “Heat”, and Fan Cycle ( For unit mount controls) Switch [FCS] set to “On” (Continuous Fan Operation), System Switch [SS] set to “Cool”, and Fan Cycle indoor fan motor starts.
- Page 15 SEQUENCE OF OPERATION • R_ _H; Auxiliary Heating “Electric” or “Hydronic” • “Remote Wall Thermostat Controls” A. Cooling and Heating operate identical to unit Outdoor coil temperature falls to 25ºF (-4ºC) or mount controls. below for 180 seconds at anytime during heating call, compressor and outdoor fan motor are de-energized B.
-
Page 16: Inspection & Start-Up
INSPECTION & START-UP Before Operating Unit Any obstruction of supply air, including use of deflector baffles, may cause condensate to form on louver or cabinet ☐ Read and understand contents of this manual. See Figure 6. ☐ Install unit per instructions outlined in this manual and all applicable local and national codes. -
Page 17: Electrical Connections
INSPECTION & START-UP Electrical Connections Figure 8 TEST Jumper (selects heat pump or straight cooling) WARNING Electrical shock hazard. Disconnect all power Straight Heat Pump before removing chassis, performing any cleaning, Cool Mode Mode Mode servicing, or maintenance. Failure to do so could (jumper center (jumper center &... - Page 18 INSPECTION & START-UP Start Up Figure 10 Circuit Board Verify unit is secure and level. TEST JUMPER 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 temperature is below 60°F.
- Page 19 INSPECTION & START-UP Heating Cycle — Electric Option NOTICE Place thermostat or system switch in HEAT position. DO NOT rotate thermostat knob back and forth Adjust thermostat for warmer temperature until from heating to cooling. This causes compressor to indoor fan starts running and electric heater coil starts cycle on and off rapidly and will cause damage to emitting heat.
- Page 20 INSPECTION & START-UP After unit starts running and area is warmer, adjust Warmer room temperature desired, adjust thermostat thermostat to cooler temperature, hydronic valve will to a warmer temperature. The cooling mode will cease close and indoor fan will switch off after sixty-second and the compressor and outdoor fan will stop.
- Page 21 INSPECTION & START-UP Auxiliary Heating Operation — Heat Pump Units – After unit starts running and space gets — Outdoor Temperature Below 40°F (4C°) — warmer, hydronic valve closes and indoor fan Electric Option switches off after sixty-second purge time has elapsed.
-
Page 22: Maintenance
MAINTENANCE Monthly Inspection And Maintenance To manually reset limit switch; – Remove control box cover. WARNING – Locate limit switch. Electrical shock hazard — disconnect power to – Push reset button in. See Figure 12. replacement PTAC/PTHP before servicing or accessing control compartment. - Page 23 MAINTENANCE • Check fan motors and blower assemblies. Some units Heat Pump Units — Temporary Emergency Heating Mode may require drop of light oil to motors and/or bearing assemblies (look for oil cups). Verify set-screws and Heat pump failure, control board can be forced into electric motor mounting hardware are secure.
-
Page 24: Troubleshooting
TROUBLESHOOTING Troubleshooting WARNING Fire, explosion, and electrical shock hazard. Troubleshooting procedures shall be conducted by a qualified technician. Improper installation could result in death or serious injury. Symptom Suggestion • Verify unit has power and thermostat is satisfied. If thermostat is not satisfied, No heat or cooling call your installing contractor or service contractor. -
Page 25: Electrical Specifications
ELECTRICAL SPECIFICATIONS Table 5 R90, - 9.000 Btu Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt Htr # Volt MOCP Plug 115V 0.09 0.125 10.5 12.4 5-15P 115V 45.6 0.09 0.125... - Page 26 ELECTRICAL SPECIFICATIONS Table 7 R90, - Cooling Capacity 15 Electrical Specifications Power Supply Indoor Fan Outdoor Fan Compressor Electric Heat Unit Electrical Ratings Volt — 1–60 Motor Motor Volt Htr # Volt MOCP Plug 10.6 6–15P 1636 10.4 6–15P 11.5 2000 2454 11.8...
- Page 28 ECR International Inc 2201 Dwyer Avenue Utica, NY 13501 e-mail: info@RetroAire.com An ISO 9001-2008 Certified Company...
Need help?
Do you have a question about the RetroAire R90C and is the answer not in the manual?
Questions and answers