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ECR R25C Installation, operation & maintenance manual

Manual is about: Packaged Terminal Air Conditioner (PTAC) Packaged Terminal Heat Pump (PTHP)

Summary of R25C

  • Page 1

    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 • u...

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    Table of contents 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. Ahri cer...

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    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 check shipment against bill of lading. Verify equipment received as ordered. Verify unit: • unit size and type correct p...

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    Important safety information become familiar with symbols identifying potential hazards. All field wiring shall conform to requirements of authority having jurisdiction or in absence of such requirements: • united states - national electrical code, ansi/nfpa 70 • canada - csa c22.1 canadian electric...

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    Figure 1 r25c/r25h dimensions - 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.

  • Page 6: For Best Results

    Dimensional/physical data figure 2 r25c/r25h chassis to use this format set your tiff output to print capture, 150dpi, c -landscape, scale to fit 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 ...

  • Page 7: For Best Results

    Product description • available in straight cooling (ptac) or heat pump systems (pthp). • heat pumps (pthp) reduce energy costs and operate in mechanical heat mode down to outdoor temperature of 40°f (4.4°c). Below 40°f (4.4°c) heating is accomplished by an auxiliary heat option. • use r-410a refrig...

  • Page 8

    Indoor coil freeze protection (standard) prevents indoor coil from freeze up in cooling mode. • indoor coil freeze up can occur due to a dirty air filter, restricted or poor air flow, low refrigerant charge or low room or outdoor temperatures. • this can cause compressor damage. • should freeze cond...

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    Hydronic heating (optional) hydronic heat package may be selected in lieu of electric heat. Heating operation is same as that of units with electric heat. Aquastat connection (optional) all replacement ptac/pthp's with hydronic heat are supplied with standard line volt aquastat connection. Field ins...

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    Installation preparation verify existing wall sleeve/enclosure: 1. Retroaire ptac/pthp's are to be used with metal wall sleeves. 2. Existing front panels must be secured by screws that prevent contact with all parts. 3. Minor dimensions of openings must not exceed ½ inch (12.5mm). 4. Indoor air disc...

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    Installation 1. Verify existing wall thickness. Distance from condenser coil to outdoor louver varies with wall sleeve depth. Units shipped with factory installed baffles. Manufacturer offers alternate air baffle kits for unique applications. Wall sleeve depth is required when ordering to ensure pro...

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    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 ].

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    Installation installation 1. Verify existing wall thickness. Distance from condenser coil to outdoor louver varies with wall sleeve depth. Two sets of air baffles are included with each unit to accommodate most installation requirements. Manufacturer offers alternate air baffle kits for unique appli...

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    Sequence of operation • 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 35º f (1.7º c...

  • Page 15

    • if equipped with motorized fresh air damper, and is active with fresh air switch [fas], damper will open with call for the indoor fan. • if room temperature is below thermostat setting fan operation continues as noted. • if room temperature is above thermostat setting, reversing valve is energized...

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    C. If unit is equipped with motorized fresh air damper, and is activated with fresh air switch [fas], damper opens with call for indoor fan. D. If room temperature is above thermostat setting fan operation continues as noted above. E. If room temperature is below thermostat setting, electric heater ...

  • Page 17

    Final inspection & start-up before operating the unit 1. Install unit per the instructions outlined in this manual and all applicable local and national codes. 2. Verify electrical supply matches electrical requirements of the unit, and unit is properly grounded. 3. Examine control box. Verify all w...

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    Electrical connections 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. • canada - canadian electrical code, part i, csa c22.1: safety standard for electrical ins...

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    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 ].

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    Figure 11 typical representation - unit mount control thermostat knob 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 the compressor. Allow compressor to remain off for at least three minutes prior to r...

  • Page 21

    Heating cycle — electric option 1. Outdoor fan does not run during heating cycle. 2. Place thermostat or system switch in heat position. 3. Adjust thermostat for warmer temperature until indoor fan starts running and electric heater coil starts emitting heat. 4. After unit starts running and space g...

  • Page 22

    Final inspection & start-up heat pump pthp's unit is equipped with reversing valve, energized for cooling and de-energized in heating mode. Cooling cycle — heat pump units 1. Place thermostat or system switch in cool position. 2. Adjust thermostat to cooler temperature until indoor fan starts runnin...

  • Page 23

    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...

  • Page 24

    Maintenance figure 12 - manual reset limit switch reset button *note: button will pop out when limit switch opens. Push in to reset. Seasonal start-up and maintenance beginning of cooling and heating seasons, complete mechanical check should be performed and maintenance/ inspections performed as des...

  • Page 25

    Maintenance 11. Air leaks may make the conditioned area uncomfortably drafty or produce noises. Visually inspect foam gasket between wall and unit, taking note of separation between air inlet for condenser and condenser coil discharge. These two areas must be sealed off from each other. If you exper...

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    Troubleshooting warning electrical shock hazard. Disconnect power to unit before servicing or accessing control compartment. Failure to follow these instructions could result in death or serious injury. ! Notice have qualified technician conduct troubleshooting procedures. Symptom suggestion no heat...

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    Performance data table 3 r25 c/h performance data model r60 cooling sensible heat ratio eer heat pump cop indoor air flow fresh air inlet flow shipping weight btuh (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 ...

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    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 4 22.2 0.8 0.08 0 n/a n/a n/a 4.8 n/a 5.8 15 6-15p 2 208 1963 9.4 10.2 12.8 15 230 2400 10.4 11.2 13.14 15 3 208 2454 11.8 12.6 15.7 20 6-20p ...

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    Electrical specifications table 6 r25c - 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 7.4 33 0.8 0.125 0 n/a n/a n/a 8.2 n/a 10.1 15 6-15p 2 208 1963 ...

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    Legend rla rated load amps fla full load 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 ].

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    P/n 240009782 rev b (9/2013) limited product warranty retroaire offers to the original purchaser/owner that under normal use and maintenance for comfort cooling and conditioning applications, all retroaire equipment will be free from defects in material and workmanship for a period of 12 months from...

  • Page 32

    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 ].