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  5. Installation, Operation & Maintenance Manual

ECR R40C Installation, Operation & Maintenance Manual

Manual is about: Packaged Terminal Air Conditioner (PTAC)

Summary of R40C

  • Page 1

    P/n 240010598 rev. A [05/12/2014 ] packaged terminal air conditioner (ptac) installation, operation & maintenance manual replacement for: fedders model cmea packaged terminal unit r40c/r41c ecr international, inc. 2201 dwyer avenue • utica, new york 13501 ph: 800.325.5279 • web: retroaire.Com r40c r...

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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 r40c dimensions - inches (mm) front view figure 2 r40c dimensions - inches (mm) rear view 5 made in usa p/n 240010598, rev. A [05/12/2014 ] r40c - dimensional/physical data.

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    R40c - dimensional/physical data figure 3 r40c chassis unit mount remote mount thermostat system switch (ss) fan speed switch (fss) high pressure switch (hps) reset 5-pos terminal block optional knockouts optional knockouts the right fit for comfort 6 p/n 240010598, rev. A [05/12/2014 ].

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    R40c - dimensional/physical data figure 4 r40c chassis electrical box rating plate remove screws to open door electrical diagram open/close 7 made in usa p/n 240010598, rev. A [05/12/2014 ].

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    Figure 5 r41c dimensions - inches (mm) front view r41c - dimensional/physical data ground terminal block high pressure switch (hps) reset 12 position molex knockouts for optional switches the right fit for comfort 8 p/n 240010598, rev. A [05/12/2014 ].

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    Figure 6 r41c chassis electrical box r41c - dimensional/physical data rating plate remove screw to open door electrical diagram open/close 9 made in usa p/n 240010598, rev. A [05/12/2014 ].

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    Product description • available in straight cooling (ptac). • use r-410a refrigerant. • include high-efficiency rotary compressors, protected by a 5-year warranty. • include enhanced high-efficiency heat exchangers. • offer two fan speeds. • incorporate positive condensate re-evaporation to improve ...

  • Page 11

    Condensate removal (standard) retroaire replacement unit, cooling operation, is designed to eliminate condensate by slinging it onto outdoor coil. • condensate drains through the bulkhead to the area near the outdoor fan. • unit as part of normal operation produces condensate and collects it in the ...

  • Page 12

    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...

  • Page 13

    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 pr...

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    R40c - baffle installation figure 7 r40c baffle options standard baffle standard baffle standard baffle standard baffle the right fit for comfort 14 p/n 240010598, rev. A [05/12/2014 ].

  • Page 15

    R41c - baffle installation figure 8 r41c baffle options and field ground connection standard baffle standard baffle optional baffle for deeper wall sleeves optional baffle for deeper wall sleeves standard baffle field grnd connected to ground terminal 15 made in usa p/n 240010598, rev. A [05/12/2014...

  • Page 16

    Sequence of operation • r_ _c units are straight cool, single stage air conditioners available with electric or hydronic heat. General microprocessor controlled unit. Thermostat and control connections are made to the control board. Two configuration jumpers are located on the board. See figure 9. •...

  • Page 17

    • once room temperature falls below set point by 3º f (2º c) compressor, outdoor fan motor and reversing valve will de-energize. • if fcs is set to “off”, indoor fan continues to operate for 60 seconds after compressor stops. • if fcs is set to “on”, indoor fan continues to operate. • as soon as the...

  • Page 18

    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...

  • Page 19

    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 14 test jumper (selects normal or test mode) the right fit for comfort 20 p/n 240010598, rev. A [05/12/2014 ].

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    Figure 15 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 22

    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 23

    Final inspection & start-up auxiliary heating operation — electric option room temperature must be below 85°f(29°c) to energize heater on pthp's with unit-mounted controllers. 1. Place thermostat or system switch in heat position. 2. Adjust thermostat to warmer temperature until indoor fans start ru...

  • Page 24

    Maintenance figure 16 - 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 troubleshooting sensors 1. See figure 17 for location of sensor connections to the control board. 2. If temperature response of indoor or outdoor sensor is not correct, disconnect sensor from control board and verify sensor resistance. Replace sensor if its resistance is not close to val...

  • Page 26

    Maintenance figure 18 r40 limit switch location figure 19 r41 limit switch location reset button *note: button will pop out when limit switch opens. Push in to reset. Reset button *note: button will pop out when limit switch opens. Push in to reset. Use long blunt tool to depress limit switch reset ...

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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...

  • Page 28

    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 6.6 33 0.6 0.08 0.71 0.09 0 n/a n/a n/a 8.7 n/a 9.6 15 6–15p 2 208 1636 7.9 8.5 10.6 15 6–15p 230 2000 8.7 9...

  • Page 29

    R41c - performance data table 7 r41c performance data model r40 cooling sensible heat ratio eer indoor air flow btuh (kw) cfm (l/s) r 40 ca09 9,000 (2.6) 0.7 8.98 350 (165) table 8 r41c - 9,000 btu electrical specifications power supply volt 1–60 compressor indoor fan motor outdoor fan motor electri...

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    Notes the right fit for comfort 30 p/n 240010598, rev. A [05/12/2014 ].

  • Page 31

    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...

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    Ecr international, inc. 2201 dwyer avenue • utica, new york 13501 phone: 1.800.325.5279 • web: retroaire.Com.