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ECR RETROAIRE R10C, Installation, Operation & Maintenance Manual

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ECR RETROAIRE R10C Installation, Operation & Maintenance Manual Download Page 1

The Right Fit for Comfort

™

ECR International Inc

2201 Dwyer Avenue

Utica, NY 13501

e-mail: [email protected]

An ISO 9001-2008 Certified Company

P/N 240008034, Rev. D [7/29/2011]

R10C/H  R20C/H  R35C/H

R45C/H  R80C/H  R90C/H

Packaged Terminal Air Conditioner (PTAC)

Packaged Terminal Heat Pump (PTHP)

Straight cooling nominal capacities

9,000

12,000

15,000

18,000

Btuh

2.6

3.5

4.4

5.3

kW

Heat pump nominal capacities

9,000

12,000

15,000

Btuh

2.6

3.5

4.4

kW

Installation, Operation, 

& Maintenance Manual

R10C | R10H

Replacement for:

American Air Filter 16 series,

American Standard 45,

Carteret 45, Remington Type 45,

McQuay 45, Singer 45, Nelson Aire 16

R45C | R45H

Replacement for:

American Standard Type 40

R20C | R20H

Replacement for:

Climate Master (Friedrich) 702/703,

Cool Heat RM series, 

TPI Ra-Matic, Weather Twin, 

Zonaire S, SC & RM

R80C | R80H

Replacement for:

Fedders CMEO “Unizone”,

Mueller/Worthington “Climatrol"

R35C | R35H

Replacement for:

Singer, Remington,

McQuay EA, ES & RS

R90C | R90H

Replacement for:

Cool Heat AD & 700,

Friedrich Climate Master AD & 700

Summary of Contents for RETROAIRE R10C

Page 1: ...000 12 000 15 000 Btuh 2 6 3 5 4 4 kW Installation Operation Maintenance Manual R10C R10H Replacement for American Air Filter 16 series American Standard 45 Carteret 45 Remington Type 45 McQuay 45 Singer 45 Nelson Aire 16 R45C R45H Replacement for American Standard Type 40 R20C R20H Replacement for Climate Master Friedrich 702 703 Cool Heat RM series TPI Ra Matic Weather Twin Zonaire S SC RM R80C ...

Page 2: ...ed options 4 R10C R10H Chassis 5 R20C R20H Chassis 5 R35C R35H Chassis 6 R45C R45H Chassis 6 R80C R80H Chassis 7 R90C R90H Chassis 7 PTAC PTHP Model Coding 8 Features 9 10 Optional wall mounted thermostats 10 Preparing for the Installation of the PTAC PTHP 11 Electrical power connection 11 Remove the old chassis 11 Installation Instructions R10C R10H 12 13 Installation Instructions R20C R20H 14 15...

Page 3: ...use as described in this manual Turn off the electrical supply before servicing the unit PTAC PTHP chassis are heavy To avoid injury use assistance when lifting Do not use the unit if it has damaged wiring is not working properly or has been damaged or dropped Failuretofollowtheseinstructionsmayresultinimproperinstalla tion operation service ormaintenance possiblyresultinginfire electrical shock p...

Page 4: ...ethermostat 2stagethermostatiscapable of activating emergency heat if an auxiliary heat source is available Low ambient protection see Microprocessor control board for details Ability to control a normally open or normally closed motor valve switch on hydronic heat units only Valve controls must be ordered for 24V or line voltage All hydronic heat units include molex plugs for connection of hydron...

Page 5: ...tion MTR Valve Hydronic NO NC Switch Valve Orientation Switch VOS Rating Plate Electrical Diagram Fresh Air Switch FAS Fan Speed Switch FSS Remote Unit Mount Valve Switch Hydronic Only Fan Cycle Switch FCS Fresh Air Switch FAS Thermostat Fan Speed Switch FSS System Switch SS Rating Plate Electrical Diagram Line Cord High Pressure Switch HPS reset Remote Mount Unit Mount Fresh Air Switch FAS Fan Sp...

Page 6: ... Switch Fresh Air Switch FAS Fan Speed Switch FSS Remote Unit Mount Fresh Air Switch FAS Thermostat Fan Speed Switch FSS System Switch SS Line Cord Fan Cycle Switch FCS High Pressure Switch HPS Aquastat W Jumper MTR Valve Rating Plate Electrical Diagram Fresh Air Switch FAS Fan Speed Switch FSS Remote Mount Unit Mount Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation ...

Page 7: ...h Pressure Switch HPS Aquastat W Jumper MTR Valve Hydronic NO 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 Re...

Page 8: ... valve line volt 4 UM unit mount hyd heat N O or N C valve 24 volt 5 RMT remote tstat hyd heat N O or N C valve 24 volt Voltage A 115 V 1 60 Models 9 12 BTU only D 208 230 V 1 60 E 265 277 V 1 60 Chassis coding verify with rating plate Position number 1 2 3 5 4 6 7 8 9 10 11 12 13 14 15 R Cooling Capacity 09 9 000 Btuh 12 12 000 Btuh 15 15 000 Btuh 18 18 000 Btuh Straight Cooling Only Model coding...

Page 9: ... compressor from starting This staggers the starting of multiple units in a single facility preventing a large surge that might occur if all units started at the same time Anti short cycle timer standard The microprocessor control uses this timing to prevent short cycling of the compressor When the compressor cycles off on a heating or cooling call the controller starts a 180 second timer The comp...

Page 10: ...point range of between 45 F 7 C and 90 F 32 C For heat pumps another option is EMI part number 240008209 This is a 2 stage heat cool thermostat which allows for emergency heat Selecting a thermostat by others When selecting a thermostat other than one offered by EMI choose a single stage heat cool 24v thermostat Straight cooling with electric heat or hydronic heat R10C PTAC s Select a thermostat t...

Page 11: ...tage is 208v Change the transformer tap from orange to red See the wiring diagram for details Electrical power connection Check the RetroAire unit rating plate for circuit ampacity and 1 required breaker or fuse size Verify that the existing breaker or fuse is the correct size 2 Replace the breaker or fuse if incorrectly sized a Breakers must be type HACR only b Cord connected units verify that th...

Page 12: ...kagefrom outdoortoindoorcausingsystemproblems example coilsfreez ing shortcycling andconstantrunningofunit If thereisaneedfor more foam than supplied in kit consult the factory Connecting the optional hydronic coil controls 7 If the hydronic heat option has been ordered then the hydronic coil will need to be field installed on the new unit Hydronic coils are not factory installed and need to be or...

Page 13: ...on Figure 9 Weather angles can be reversed to change offset Figure 10 Direction of baffles and foam installation Figure 11 Foam tape installation against wall sleeves Figure 12 Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 13 Made in USA ...

Page 14: ...he factory Connecting the optional hydronic coil controls 6 If the hydronic heat option has been ordered then the hydronic coil will need to be field installed on the new unit Hydronic coils are not factory installed and need to be ordered The coil with the old unit can be located in the subbase under the chassis in a special attachment or above the chassis in a special attachment It is necessary ...

Page 15: ...ory location Figure 14 Weather Angle reversed to change offset Figure 15 Direction of baffles and foam installation Figure 16 Foam tape installation against wall sleeve Figure 17 Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 15 Made in USA ...

Page 16: ...e old unit can be located inthesubbase underthechassisinaspecialattachment orabove the chassis in a special attachment It is necessary to know where thecoilistobelocatedandthephysicalsizeofthecoilsothenew coilcanbeverifiediforderedforreplacement Thenewcoilshould be installed in the same manner as the coil it is replacing Removethe2 positionconnectorassemblyfromkitbagsupplied with unit this will ha...

Page 17: ... Figure 18 R35H chassis and installation kit contents Direction of baffles and foam installation Figure 19 Front view of chassis Figure 20 Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 17 Made in USA ...

Page 18: ...ng short cycling and constant running of unit If there is a need for more foam than supplied in kit consult the factory W A Foam tape installation 6 hydronic coil buy controls If the hydronic heat option has been ordered then the hydronic coil will need to be field installed on the new unit The coil with the old unit can be located in the subbase under the chassis in a special attachment or above ...

Page 19: ...ntents Weather Angle in factory location Figure 22 Weather Angles reversed to gain extra distance Figure 23 Direction of baffles and foam installation Figure 24 Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 19 Made in USA ...

Page 20: ... will need to be field installed on the new unit Hydronic coils are not factory installedandneedtobeordered Thecoilwiththeoldunitcanbe located in the subbase under the chassis in a special attachment or above the chassis in a special attachment It is necessary to know where the coil is to be located and the physical size of the coil so the new coil can be verified if ordered for replacement The ne...

Page 21: ...installation kit contents Direction of baffles and foam installation Figure 26 Foam tape installation against wall sleeves Figure 27 Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 21 Made in USA ...

Page 22: ...ubbase under the chassis in a special attachment or above the chassis in a special attachment It is necessary to know where the coil is to be located and the physical size of the coil so the new coil can be verified if ordered for replacement The new coil should be installed in the same manner as the coil it is replacing Removethe2 positionconnectorassemblyfromkitbagsupplied with unit this will ha...

Page 23: ...s and installation kit contents Direction of baffles and foam installation Figure 29 Foam tape installation against wall sleeves Figure 30 Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 23 Made in USA ...

Page 24: ...d the Processor Board Trouble Code LED is set toblinka2flashcode Thistimerpreventsthecompressorfromrapid cycling AftertheAnti ShortCycleTimerexpires theProcessorBoard Trouble Code LED is set to blink a 1 blink Trouble Code indicating normal operation R_ _C R_ _H Cooling Operation For unit mount controls With the System Switch SS set to Cool and the Fan Cycle Switch FCS set to On Continuous Fan Ope...

Page 25: ...d Trouble Code LED is set to flash a 1 blink Trouble Code indicating normal operation R_ _H Auxiliary Heating Electric or Hydronic If the outdoor coil temperature falls to 25 ºF 4 ºC or below for180secondsatanytimeduringaheatingcall thecompressor and outdoor fan motor will be de energized and auxiliary heat will be energized The Anti Short Cycle Timer will be initi ated prohibiting compressor oper...

Page 26: ...nels are in place and secure Attach the front panel to the existing cabinet enclosure Verify that nothing will interfere with the room discharge air or the return air of the units Examples Check for curtains or drapes that obstruct the air flow See Figure 32 and Figure 33 Check for plush carpeting that can obstruct the return air Items like these can cause serious damage to the chassis CAUTION Any...

Page 27: ... operation HP Jumper Figure 34 selects heat pump or straight cooling TEST jumper to select normal or test mode This jumper is for use in testing only see Figure 35 and Figure 36 When the JUMPER pins are jumpered together all timers are elimi nated example anti short cycle purge etc This is mainly used for production line testing But it may be used for field testing as well The units are factory se...

Page 28: ...witch to the YES position and verify the damper opens and allows fresh air to be moved into the space Then set the damper door switch to the NO position and verify the flow of air into the space has stopped Fresh air will only be available when the indoor fan is running Verify that the 4 HP jumper is set correctly for the unit type cooling only or heat pump unit see Figure 34 page 27 Set the 5 TES...

Page 29: ...ignal from the processor board will activate the water or steam valve The motorized valve should open and allow hot water or steam to run through the coil The indoor fans will run blowing air through the hydronic coil If the unit is equipped with an Aquastat the indoor fan and the motorized damper operation will be delayed until the hydronic coil reaches 100 5 F 38 3 C Thesignaltothewaterorsteamva...

Page 30: ...mpressor and outdoor fan will stop The indoor fan will switch off after the sixty second purge time has elapsed NOTICE Roomtemperaturemustbebelow85 F 29 C forthecompres sor to operate in heating mode on PTHP s with unit mounted controllers Place the thermostat or system switch in the 6 OFF position All operation should stop NOTICE Heat pump units are Limited Range equipped with back up electric re...

Page 31: ...ts running and the space gets warmer the hydronic valve will close and indoor fan will switch off after the sixty second purge time has elapsed Aftertheunitstartsrunningandthespacegetswarmer 3 adjustthe thermostattoacoolertemperaturesetting thehydronicvalvewill close and indoor fan will switch off after the sixty second purge time has elapsed If a warmer room temperature is desired 4 adjust the th...

Page 32: ...the face of the switch see Figure 38 Maintenance Troubleshooting Figure 38 Manual Reset Limit Switch Reset Button Note Button will pop out when limit switch opens Push in to reset WARNING Clean or replace the return air filter as needed Allowing dust to collect on the filter will cause the unit to lose efficiency and eventually malfunction Check the filter at least once a month Some environments m...

Page 33: ...partment Failure to do so could result in severe personal injury or death Should the heat pump fail the control board can be forced into electric heat mode This is a temporary solution until the heat pump system can be repaired Locate the circuit board in the control section of the unit 1 Locate the terminals where the outdoor sensor connects to the 2 circuit board Using a small needle nose type p...

Page 34: ...ure the sensors are correctly wired 77 F 10KOhms 50F 19 9KOhms 35F 30KOhms 30F 34 4KOhms The thermostat is satisfied but the fan is still running If the thermostat is set to auto mode once the thermostat is satisfied the fan will stay ener gized for an extra 60 seconds to purge the unit of excess cool or warm air in the plenum If the thermostat fan switch is set to ON the fan will stay energized r...

Page 35: ...0 60 7 200 2 1 0 4 0 1 125 52 15 8 450 12 7 4 3 16 1 180 82 20 800 6 1 7 0 2 1 170 77 10 6 400 11 3 4 0 15 1 180 82 19 400 5 7 6 2 1 9 170 77 10 6 450 12 7 2 5 9 3 140 60 12 100 3 5 2 8 0 8 130 54 10 6 400 11 3 2 3 8 7 140 60 11 300 3 3 2 5 0 7 130 54 10 6 450 12 7 3 0 11 4 180 82 19 900 5 8 3 7 1 1 166 75 14 8 400 11 3 3 0 11 4 180 82 18 800 5 5 3 7 1 1 167 75 13 7 450 12 7 3 0 11 4 140 60 12 500...

Page 36: ...N A N A N A 10 5 N A 12 4 15 5 15P 115V 104 8 0 45 6 1 4 0 09 1 6 0 125 N A N A N A N A 11 N A 13 0 20 5 15P 208 230V 197 4 0 22 2 0 6 0 08 0 71 0 09 0 N A N A N A 5 3 N A 6 3 15 6 15P 208 230V 197 3 9 20 0 6 0 08 0 71 0 09 0 N A N A N A 5 2 N A 6 2 15 6 15P 2 208 1636 7 9 8 5 10 4 15 6 15P 230 2000 8 7 9 3 11 5 3 208 2454 11 8 12 4 15 3 20 6 20P 230 3000 13 13 6 16 9 4 208 3271 15 7 16 3 20 3 25 ...

Page 37: ...7 13 2 3 265 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 R10 R20 R35 R45 R80 R90 Cooling Capacity 18 Table 7 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 ...

Page 38: ...Electrical Specifications Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual The Right Fit for Comfort 38 P N 240008034 Rev D 7 29 2011 ...

Page 39: ...Notes Replacement Packaged Terminal Air Conditioning Heat Pump Installation Operation and Maintenance Manual P N 240008034 Rev D 7 29 2011 39 Made in USA ...

Page 40: ...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 40 P N 240008034 Rev D 7 29 2011 Warranty ...

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