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P/N 240010639 Rev. A [06/15/2014

]

Packaged Terminal Air Conditioner (PTAC)

Packaged Terminal Heat Pump (PTHP)

Installation, Operation &

Maintenance Manual

Replacements for:

R25C

- Climate Master/Friedrich ET,

Ice Cap RSet,

Islandaire EZ Series ET

R25C/H

ECR International, Inc.

2201 Dwyer Avenue • Utica, New York 13501
Ph: 800.325.5279 • Web: retroaire.com

Содержание R25C

Страница 1: ...AC Packaged Terminal Heat Pump PTHP Installation Operation Maintenance Manual Replacements for R25C Climate Master Friedrich ET Ice Cap RSet Islandaire EZ Series ET TM R25C H ECR International Inc 2201 Dwyer Avenue Utica New York 13501 Ph 800 325 5279 Web retroaire com ...

Страница 2: ...r Conditioning Heating and Refrigeration Institute These units are tested and rated in accordance with AHRI Standards 310 380 UL 484 Receiving Information 3 Important Safety Information 4 R40C Dimensional Physical Data 5 Dimensional Physical Data 6 General Product Information 7 Features 8 Installation Preparation 10 Installation 11 Sequence of Operation 14 Final Inspection Start up 17 Maintenance ...

Страница 3: ...l damage identified and complete carrier 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 for future reference Installer review this manual to verify unit has been installed co...

Страница 4: ...RNING Fire and electrical shock hazard Improper installation could result in death or serious injury Read this manual and understand all requirements before beginning installation The Right Fit for Comfort 4 P N 240010639 Rev A 06 15 2014 WARNING Tampering with PTAC PTHP is dangerous and could result in death or serious injury Do not modify or change this unit Safety Information Installation by qu...

Страница 5: ...ensions Inches mm 484mm 19 06in 65mm 2 54in 143mm 5 63in 23mm 90in 51mm 2 00in 381mm 15 00in 523mm 20 57in 253mm 9 96in 485mm 19 08in 692mm 27 25in 5 Made in USA P N 240010639 Rev A 06 15 2014 R25C DIMENSIONAL PHYSICAL DATA ...

Страница 6: ... Scale for best results Fan Speed Switch FSS Fan Speed Switch FSS Fresh Air Switch FAS Thermostat R25 Base Unit R25 Control Unit 5 Position Terminal Block Fan Cycle Switch FCS High Pressure Switch HPS Line Cord OPTIONAL Hydronic NO NC Switch Valve Orientation Switch VOS The Right Fit for Comfort 6 P N 240010639 Rev A 06 15 2014 ...

Страница 7: ...tilize 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 normally open or normally closed motor valve switch available on hydronic heat units only Order valve controls for 24V or line voltage All hydronic heat units include molex plugs ...

Страница 8: ...der outdoor temperatures Random Start Feature Standard Random start feature is initiated on initial power up or after a power interruption Controller adds a random time delay from 5 120 seconds on start up preventing compressor from starting This staggers the start of multiple units in a single facility preventing a large surge if all units started at the same time Anti Short Cycle Timer Standard ...

Страница 9: ...ounted Thermostats PTAC PTHP compatible thermostats Manufacture offers single stage cool heat thermostat that can be used in all RetroAire cooling heating or heat pump applications Thermostat has adjustable setpoint range of between 45 F 7 C and 90 F 32 C For heat pumps manufacture offers a 2 stage heat cool thermostat which allows for emergency heat Selecting A Thermostat When selecting a thermos...

Страница 10: ...configuration must match that of cord supplied with RetroAire unit 4 Hard wired units verify power wiring is correctly sized Inspect existing wiring for deficiencies such as cuts or frayed wires Replace any deficient wiring if found 5 Each unit must have separate branch circuit protected by fuse or breaker Refer to unit rating plate for proper wire and breaker or fuse size Use of extension cords i...

Страница 11: ...he 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 Hydronic coils are not factory installed and need to be ordered Remove 2 position connector assembly from kit bag supplied with unit This will have 2 yellow wires attached Splice 2 yellow wires to valve motor using 2 crimp popcorn Connect this 2 position connector ...

Страница 12: ...INSTALLATION Figure 3 R25 Baffle Direction Baffles Figure 4 Foam Tape Installation Install 1 2 x 1 2 Foam Tape The Right Fit for Comfort 12 P N 240010639 Rev A 06 15 2014 ...

Страница 13: ...ontrols If hydronic heat option has been ordered field install the hydronic coil on the new unit Coil with old unit can be located in subbase under chassis in a special attachment or above chassis in a special attachment It is necessary to know where the coil is to be located and physical size of the coil so the new coil can be verified if ordered for replacement The new coil should be installed i...

Страница 14: ...r for the first time or after a power failure board initializes itself During initialization LED1 is lit for approximately 5 seconds Following initialization a random start timer is initiated Timer adds randomly selected 5 120 seconds to start up sequence reducing possibility of multiple units starting at same time Once random start timer has expired 180 second Anti Short Cycle Timer is initiated ...

Страница 15: ...etting fan operation continues as noted above If room temperature is below thermostat setting action of the unit will depend on outdoor temperature and freeze sensor status NOTE Remote Mount Heating Operation depends on features of wall mounted thermostat By default fan will cycle with call for Heating For thermostats with AUTO ON fan switch fan runs continuously if this is ON Continuous Fan Opera...

Страница 16: ...resh air door C With call for heat signal from processor board activates water or steam valve D If unit is equipped with a field installed Aquastat AS the indoor fan start will be delayed until the hydronic coil reaches 100 5 ºF 38 3 ºC The signal to the water or steam valve will continue until the room temperature rises above the set point by 3 ºF 2 ºC If the FCS is set to Off the indoor fan will...

Страница 17: ...ify all sheet metal panels are in place and secure 8 Attach front panel to the existing cabinet enclosure 9 Verify nothing interferes with room discharge air or return air of units Examples Check for curtains or drapes that obstruct air flow See figure 6 and figure 7 Check for plush carpeting that can obstruct return air These types of obstructions can cause serious damage to the chassis Any obstr...

Страница 18: ... 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 selects normal or test mode NOTICE Do not leave unit operating with TEST jumper in TEST position Jumper is for testing only See figures 8 and 10 When jumper p...

Страница 19: ...FINAL INSPECTION START UP TEST JUMPER HEAT PUMP JUMPER Figure 10 TEST jumper selects normal or test mode 19 Made in USA P N 240010639 Rev A 06 15 2014 ...

Страница 20: ...lays including anti short cycle and purge times See figure 18 page 29 6 Verify unit is wired correctly including requirements on page 10 7 Connect Electric power to unit 8 Turn unit on Verify proper operation 9 Verify condensate removal A Pour water into base pan B Place unit in cooling mode with condenser fan operating verify water is picked up by slinger ring and thrown onto outdoor coil Compres...

Страница 21: ...xty second purge time has elapsed 9 If warmer room temperature is desired adjust thermostat to warmer temperature setting which opens the hydronic valve and turns on the indoor fan 10 If cooler room temperature is desired adjust thermostat to cooler temperature setting Hydronic valve closes and indoor fan switches off after sixty second purge time has elapsed 11 Place thermostat or system switch i...

Страница 22: ... heating mode on PTHP s with unit mounted controllers 1 Place thermostat or system switch in HEAT position 2 Adjust thermostat to warmer temperature setting until indoor fan starts running Compressor and outdoor fan will turn on and warm air will begin to flow from unit 3 After space gets warmer adjust thermostat to cooler temperature until compressor cycles off 4 For warmer room temperature adjus...

Страница 23: ...until the room temperature rises above the setpoint by 3 F 2 C After space gets warmer hydronic valve will close and indoor fan will switch off after sixty second purge time has elapsed 3 After space gets warmer adjust thermostat to cooler temperature setting hydronic valve will close and indoor fan will switch off after sixty second purge time has elapsed 4 If warmer room temperature is desired a...

Страница 24: ...p holes along rear flange of base pan are free of debris WARNING Electrical shock hazard Disconnect power to unit before servicing or accessing control compartment Failure to do follow these instructions could result in death or serious injury NOTICE Perform regular service and maintenance by qualified service agency at least once every 12 months to assure safe trouble free operation and maximum e...

Страница 25: ... circuit board 3 Using small needle nose type pliers disconnect one side of sensor from circuit board A 2 stage thermostat will provide Emergency heat 4 This will appear to circuit board as outdoor coil freeze condition energizing the electric resistance heater on call for heat 5 See Manual Reset Limit Switch for resetting limit switch if needed See figure 12 page 24 Troubleshooting Sensors 1 See ...

Страница 26: ...rd and make resistance measurements compare to following sensor resistances Indoor and outdoor coil sensor wires are labeled as is control board 77 F 10KOhms 50 F 19 9KOhms 35 F 30KOhms 30 F 34 4KOhms Thermostat is satisfied but fan is still running If thermostat is set to auto mode once thermostat is satisfied fan will stay energized for extra 60 seconds to purge unit of excess cool or warm air i...

Страница 27: ...h kW Btuh kW CFM L s CFM L s lbs Kg R_ _C 09 9 000 2 6 0 74 8 98 N A N A 340 160 35 17 140 64 R_ _H 09 8 400 2 5 2 68 R_ _C 12 11 400 3 3 0 65 8 47 N A N A 340 160 50 24 140 64 R_ _H 12 11 600 3 4 8 33 10 600 3 1 2 62 R_ _C 15 14 000 4 1 0 63 7 92 N A N A 325 153 60 28 140 64 R_ _H 15 13 500 4 0 7 92 12 600 3 7 2 57 27 Made in USA P N 240010639 Rev A 06 15 2014 ...

Страница 28: ...N A N A N A Table 4 R25 12 000 BTU Electrical Specifications Table 5 R25 9 000 BTU Electrical Specifications ELECTRICAL SPECIFICATIONS Power Supply Volt 1 60 Compressor Fan Motor Electric Heat Unit Electrical Ratings Volt Min RLA LRA FLA Hp Htr Volt W HA TCA THA MCA MOCP Plug 208 230V 197 5 6 29 0 8 0 125 0 N A N A N A 6 4 N A 7 8 15 6 15P 2 208 1963 9 4 10 2 12 8 15 230 2400 10 4 11 2 14 0 15 3 2...

Страница 29: ...2 3 13 1 16 3 3 265 3752 14 2 15 18 7 277 4100 14 8 15 6 19 5 5 N A N A N A N A N A N A N A Table 7 R25H 15 000 BTU Electrical Specifications Power Supply Volt 1 60 Compressor Fan Motor Electric Heat Unit Electrical Ratings Volt Min RLA LRA FLA Hp Htr Volt W HA TCA THA MCA MOCP Plug 208 230V 197 6 6 33 0 8 0 125 0 N A N A N A 7 4 N A 9 1 15 6 15P 2 208 1963 9 4 10 2 12 8 15 230 2400 10 4 11 2 14 0...

Страница 30: ...ad Amps Hp Horse Power W Watts HA Heater Amps TCA Total Cooling Amps THA Total Heating Amps MCA Minimum Circuit Amps MOCP Maximum Over Current Protection ELECTRICAL SPECIFICATIONS The Right Fit for Comfort 30 P N 240010639 Rev A 06 15 2014 ...

Страница 31: ...ely corrosive installation environments equipment usage during construction shipping or handling RETROAIRE IS ALSO NOT RESPONSIBLE FOR Damages caused by faulty or interrupted power supply or electrical service Damages caused by acts of God including but not limited to wind hail floods lightning earthquakes or other conditions beyond the control of RetroAire FURTHER LIMITATIONS All implied warranti...

Страница 32: ...TM ECR International Inc 2201 Dwyer Avenue Utica New York 13501 Phone 1 800 325 5279 Web retroaire com P N 240010xxx Rev A 05 12 2014 ...

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