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ECR International Inc
2201 Dwyer Avenue
Utica, NY 13501
e-mail: [email protected]

The Right Fit for Comfort

P/N 240010330, Rev. A [10/15/2013]

An ISO 9001-2008 Certified Company

™

R90C/H

Packaged Terminal Air Conditioner (PTAC)

Packaged Terminal Heat Pump (PTHP)

Installation, Operation,

& Maintenance Manual

Содержание RetroAire R90C

Страница 1: ...NY 13501 e mail info RetroAire com The Right Fit for Comfort P N 240010330 Rev A 10 15 2013 An ISO 9001 2008 Certified Company R90C H Packaged Terminal Air Conditioner PTAC Packaged Terminal Heat Pump PTHP Installation Operation Maintenance Manual ...

Страница 2: ...eplacement PTAC PTHP is backed by ECR International and is tested and rated in accordance with AHRI Standards 310 380 UL 484 Receiving Information 3 Important Safety Information 4 Performance Data 5 Dimensional Physical Data 6 Product Description 7 PTAC PTHP Installation Preparation 10 Installation Instructions R90C R90H 11 Sequence Of Operation 13 Inspection Start Up 16 Maintenance 22 Troubleshoo...

Страница 3: ...r inspection report Purchaser must notify Manufacturer s Service department of all damage and is responsible for filing any necessary claims with carrier Customer Service 800 228 9364 General Information Installation shall be completed by qualified agency Retain this manual and warranty for future reference Installer review this manual to verify unit has been installed correctly Run unit for one c...

Страница 4: ...ker as listed on Rating Plate Connect unit to properly grounded electrical supply Do not fail to properly ground this unit Tampering voids all warranties DANGER Indicates a hazardous situation which if not avoided WILL result in death or serious injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation which ...

Страница 5: ...0 12 000 15 000 18 000 Btuh 2 6 3 5 4 4 5 3 kW PERFORMANCE DATA Heat Pump Nominal Capacities 9 000 12 000 15 000 Btuh 2 6 3 5 4 4 kW Table 2 Performance Data Heating Model R90H Voltage Cooling Capacity EER Indoor Air Flow Cooling Heating Capacity COP Indoor Air Flow Heating Sensible Heat Ratio Fresh Air Flow Outdoor Sound Level Shipping Weight Btuh kW CFM L S Btuh kW CFM L S CFM L S dBa lbs Kg R_ ...

Страница 6: ...DIMENSIONAL PHYSICAL DATA Figure 1 R90C R90H Dimensions Inches mm DUCT COLLAR The Right Fit for Comfort 6 P N 240010330 Rev A 10 15 2013 ...

Страница 7: ...NC Switch Valve Orientation Switch VOS Rating Plate Electrical Diagram Molex Connector from control Board Thermostat Fan Speed Switch FSS Fan Speed Switch FSS System Switch SS Thermostat System Switch SS Plug Molex connector from unit Strain Relief T Stat Rear of Control Box Option A C Unit Mount Option A C Remote Mount Option B Unit Remote Mount P N 240010330 Rev A 10 15 2013 7 Made in USA ...

Страница 8: ...mp units only Controls Unit mounted operating controls include thermostat fan speed control heat cool switch fan cycle switch fresh air switch if equipped Use of 1 stage or 2 stage thermostat 2 stage thermostat is capable of activating emergency heat if auxiliary heat source is available Low ambient protection see Microprocessor control board for details Ability to control a normally open or norma...

Страница 9: ...c control valve water 2 way 3 way Hydronic control valve steam 2 way Hydronic Isolation valve 1 2 in sweat connection Manufacturer Installed Options Consult manufacturer 265 277V 12 and 15 only 115V 09 12 Models Only Corrosion resistant coil option used for seacoast and harsh environment usage coated aluminum fin copper tube condenser coil Motorized fresh air damper Supplemental electric heat Hydr...

Страница 10: ...e ANSI NFPA 70 Canada CSA C22 1 Canadian Electrical Code Part 1 UNITS RATED 208 230V RetroAire unit is wired for 230v primary voltage from manufacture Transformer must be rewired by installer if jobsite voltage is 208v Change transformer tap from orange to red See wiring diagram for details Protect with separate branch circuit protected by fuse or breaker Refer to unit rating plate for proper wire...

Страница 11: ... room cabinet Weather angles should need no adjustment 4 Install Baffles Slide unit back out of wall sleeve Locate both sets of baffles from kit bag supplied with unit Install only one set of left and right side baffles on condenser coil by completing following steps Verify baffles selected come in contact with outdoor louver Verify baffles are directed inward toward center of coil See Figure 3 Se...

Страница 12: ...into final position and tighten tie down bolts or screws 10 Install control section Remove front cover of unit Unit mount installation take the thermal bulb from control section and run the capillary tube bulb along unit to blower section There will be no thermostat bulb if remote thermostat option is used Looking at sides of blower housing there are two clips that support thermal bulb Remove scre...

Страница 13: ...atus of board Between blink sequence is separation of approximately 2 seconds Status Code is listed below Trouble Code Blinks Status 1 Normal Operation 2 Anti Short Cycle Timer Active 3 Outdoor Coil Freeze Protection 4 Indoor Coil Freeze Protection 5 Simultaneous Y and W Call Initial Power Up or Power Restoration When power is applied to unit either for first time or after power failure board will...

Страница 14: ...erature is 60ºF 15 5 ºC or below or if outdoor temperature is below 40ºF 4 5ºC R_ _C R_ _ H Heating Operation 1 System Switch SS set to Heat and Fan Cycle Switch FCS set to On Continuous Fan Operation indoor fan motor starts 2 If Fan Cycle Switch FCS is set to Off Cycling Fan Operation indoor fan motor starts with call for heat from internal thermostat T stat 3 Unit equipped with optional Motorize...

Страница 15: ... heater is energized until room temperature satisfies thermostat 6 Once room temperature increases above set point by 3ºF 2ºC electric heaters de energize Hydronic Heat 1 FCS set to On Continuous Fan Operation and unit has Control indoor fan and fresh air motorized damper operation are controlled by Control 2 Control senses temperature of 80 5ºF 26 3ºC or below indoor fan will shut down and motori...

Страница 16: ...ate freely Verify all sheet metal panels are in place and secure Attach front panel to existing cabinet enclosure Verify nothing interferes with room discharge air or return air of units Examples Check for curtains or drapes that obstruct air flow See Figures 6 and 7 Check for plush carpeting that can obstruct return air Items like these can cause serious damage to chassis INSPECTION START UP Any ...

Страница 17: ...factory installed jumper pins on control board HP jumper and TEST jumper HP Jumper to select heat pump or straight cooling Pins determine whether unit operates as straight cooling or as heat pump See Figures 8 and 9 Jumper right pin to center pin for heat pump operation Jumper left pin to center pin for straight cooling operation TEST Jumper to select normal or test mode Jumper is for use in testi...

Страница 18: ...d up by slinger ring and thrown onto outdoor coil NOTICE Compressor will not start until anti short time period has elapsed On power up there will be delays for control board initialization and random start timing See Sequence of Operation on page 13 Unit Mounted Thermostat 1 Use system switch to place PTAC PTHP in either COOL HEAT or OFF position See Figure 11 Test operation in all positions 2 Us...

Страница 19: ... hydronic coil reaches 100 5 F 38 3 C Signal to water or steam valve will continue until room temperature rises above setpoint by 3 F 2 C INSPECTION START UP NOTICE DO NOT rotate thermostat knob back and forth from heating to cooling This causes compressor to cycle on and off rapidly and will cause damage to compressor Allow compressor to remain off for at least three minutes prior to restarting u...

Страница 20: ...er temperature The cooling mode will cease and the compressor and outdoor fan will stop The indoor fan will switch off after the sixty second purge time has elapsed 6 Place thermostat or system switch in OFF position All operation stops NOTICE Room temperature must be above 85 F 29 C for compressor to operate in cooling mode on PTHP s with unit mounted controllers 7 Place system switch in OFF posi...

Страница 21: ...l starts emitting heat 3 After unit starts running and space warms adjust thermostat to cooler temperature until electric heater turns off 4 Warmer room temperature is desired adjust thermostat to warmer temperature setting which turns electric heater back on 5 Cooler room temperature is desired adjust thermostat to cooler temperature setting until electric heater turns off Indoor fan switches off...

Страница 22: ...dronic option installed inspect piping braze joints for signs of water leaks Repair if necessary Clean exterior cabinet as desired with mild soap or household cleaner 5 kW heat models only in event limit switch opens and de energizes electric heat manually reset limit switch To manually reset limit switch Remove control box cover Locate limit switch Push reset button in See Figure 12 Figure 12 Man...

Страница 23: ...between air inlet for condenser and condenser coil discharge These areas must be sealed off from each other If you experience poor cooling operation or erratic operation check for air recirculation at condenser coil Replace access panels and reconnect electrical power Test unit operation Troubleshooting Sensors 1 See Figure 13 for location of sensor connections to control board 2 If temperature re...

Страница 24: ...measurements compare to following sensor resistances Indoor and outdoor coil sensor wires and control board are labeled Verify sensors are correctly wired 77 F 10KOhms 50 F 19 9KOhms 35 F 30KOhms 30 F 34 4KOhms Thermostat is satisfied fan is still running Thermostat set to Auto mode once thermostat is satisfied fan stays energized for extra 60 seconds to purge unit of excess cool or warm air in pl...

Страница 25: ...265 3983 15 15 7 19 5 20 4 265 5310 20 20 7 25 7 30 7 30P 5 N A N A N A N A N A N A N A Table 5 R90 9 000 Btu Electrical Specifications Power Supply Volt 1 60 Compressor Indoor Fan Motor Outdoor Fan Motor Electric Heat Unit Electrical Ratings Volt Min RLA LRA FLA Hp FLA Hp Htr Volt W HA TCA THA MCA MOCP Plug 115V 104 10 8 53 1 4 0 09 1 6 0 125 0 N A N A N A 13 8 N A 16 5 25 5 20P 115V 104 12 7 63 ...

Страница 26: ...3 15 15 7 19 5 20 4 265 5310 20 20 7 25 7 30 7 30P 5 N A N A N A N A N A N A N A Table 8 R90 Cooling Capacity 18 Electrical Specifications Power Supply Volt 1 60 Compressor Indoor Fan Motor Outdoor Fan Motor Electric Heat Unit Electrical Ratings Volt Min RLA LRA FLA Hp FLA Hp Htr Volt W HA TCA THA MCA MOCP Plug 208 230V 197 8 3 44 0 6 0 08 0 71 0 09 0 N A N A N A 9 6 N A 11 7 15 6 15P 2 208 1636 7...

Страница 27: ......

Страница 28: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13501 e mail info RetroAire com An ISO 9001 2008 Certified Company ...

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