McQuay Remington PTAC B+ Installation & Maintenance Data Download Page 1

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Installation & Maintenance Data

IM 812

Group: PTAC/PTHP

Part Number: TBD

Date: July 2004

McQuay/Remington

Packaged Terminal Air Conditioners and Heat Pumps – B+ Model

For Parts & Support Call 800-411-7822

Summary of Contents for Remington PTAC B+

Page 1: ...ntenance Data IM 812 Group PTAC PTHP Part Number TBD Date July 2004 McQuay Remington Packaged Terminal Air Conditioners and Heat Pumps B Model 2004 McQuay Remington Air Conditioning For Parts Support Call 800 411 7822 ...

Page 2: ... units but manda tory for all 265V 5 Separate plug in power cord selects heater size NOTE PTAC HP 09 012 208 230 V 2 9 3 5 Kw heaters are also available with factory installed power cords 6 Electrical receptacle Optional for 208V and 230V units but mandatory for all 265V 7 Plug cord cover Optional for 208V and 230V units but mandatory for all 265V WARNING This product was carefully packed and thor...

Page 3: ...65v B B Control C C Control KX 208 230v MX 265v A Universal Heater B Fixed Heater Fixed heater is 2 9 3 5 Kw 208 230V only with factory installed 20 amp power cord available on unit size 09 and 012 only Universal heater is nominal 2 3 or 5 Kw or no heat for cooling only applications determined by power cord selection See Table 2 page 15 Now that you have made an investment in modern efficient McQu...

Page 4: ...n HEAT or COOL mode AUTO gives high fan if unit set ting is more than 2o F from room temperature and low fan if less than 2o F from room temperature Continuous Cycle Fan When dip switch 8 located on the front of the control box is OFF the indoor fan will operate continuously When dip switch 8 is ON the indoor fan will cycle on and off with the compressor or heater In cycle fan the fan will start e...

Page 5: ...ACO MCO ACO or programmable With the exception of wired Remote ON OFF the control fea tures listed for the standard control pad will not be available with the wall thermostat unless the wall stat chosen includes them Low fan speed is standard for stats without speed selection Dip SWI 1 8 1 4 Temperature Limiting see chart page 4 5 6 Outdoor coil temperature when unit will change from reverse cycle...

Page 6: ...2 1067mm Top View 133 4 349mm 203 4 527mm 16 406mm 133 4 349mm 16 406mm 1 2 13mm 3 8 Stamped Louver 11 8 Architectural Louver Front View Side View See Note 1 411 2 1054mm See Note 1 Subbase 7 178mm 7 178mm Wall Opening Requirements Before installing the unit check the wall opening to be sure the wall sleeve will slide into the opening unobstructed For masonry walls a lintel must be used to provide...

Page 7: ...ust be flush or beyond the outside finished wall do not recess Install the outdoor drain kit as follows 1 Assemble the drain kit as shown in Figure 4 2 Choose the side of the wall sleeve to which the drain kit is to be installed 3 There are drain holes and pilot holes provided in the wall sleeve from factory Place the drain kit against the cho sen drain hole and fasten securely with screws provide...

Page 8: ...he control R H side The cord has a usable length of 60 from where it exits the conditioner Do not use extension cords When a subbase is not used the receptacle is generally mounted beneath the conditioner or on the wall beside it An electrical subbase is available and contains a junction box for a field mounted receptacle All electrical connections are made within the subbase thus eliminating the ...

Page 9: ...oors Outdoor Louver Louver Frame Front Panel 7 Wall Sleeve Min 2 Supports Field Supplied Receptacle by Others 133 4 16 16 Outdoor Louver Louver Frame Front Panel 7 Wall Sleeve 133 4 Subbase Side Extension Piece Caulk Perimeter Both Indoors Outdoors Power Supply Conduit Alternate Entry Electrical Subbase Floor Conduit 4 Recess the wall sleeve so that the louver is flush with the outside of the buil...

Page 10: ...Place a thin pad of mastic on bottom of the opening and slide in the wall sleeve Be sure to recess the wall sleeve enough to accommodate outside louvers This recess is 3 8 for stamped louvers and 11 8 for architectural lou vers Louver should be flush to exterior surface when complete Note Wall sleeve must be flush with the exterior wall if using the outdoor drain kit see page 7 5 Level wall sleeve...

Page 11: ...ction without subbase 208 230V only Note a Subbase is available in either 3 or 4 height Leveling legs provide adjustment of up to 1 additional height b Wall sleeve extension is available in various depths as required 5 Level wall sleeve left to right pitch it 1 4 bubble to the outdoors and secure in wall with fasteners as shown in Figure C page 12 A 5 16 hole is provided on each side 2 down from t...

Page 12: ...he caulking does not block the weep holes 3 Attach indoor drain kit if used according to the instruc tions on page 7 Outdoor drain kits are not designed to be used with sleeve extensions Louver Frame Louver frames should be used for panel wall and thin wall applications for positive anchoring to the wall Recess the wall sleeve so that the louver is flush with the outside of the build ing if outdoo...

Page 13: ... design that will not cause recir culation of condenser air Free area is defined by ASHRAE as the minimum area of the openings in an air inlet or outlet through which air can pass Refer application of special louvers or building facade treatments that may affect normal operation of the unit or re strict free air discharge of condenser airflow to your local McQuay Remington representative for facto...

Page 14: ...e the room The chassis weighs approximately 150 lbs Use blocking and lifting devices Do not raise over any body parts 1 Remove the shipping carton and inspect for any shipping damage Report any found to the carrier 2 Save the shipping carton to cover installed conditioner until construction is complete 3 Remove the two screws attaching the front panel to the chassis and unlatch the front panel fro...

Page 15: ...3 electrical cover on front of the control box Use the small plug and wire assembly provided Table 2 Power Cord Heater Kw Selection Heater Unit Vendor Plug Size Unit Fuse Kw Voltage Number 3 amps Size amps 0 1 208 105575502 15 15 0 1 230 105575502 15 15 0 1 265 105575804 20 15 1 5 208 105575501 15 15 1 9 230 105575501 15 15 1 9 265 105575802 20 15 2 3 208 105575601 20 15 2 8 230 105575601 20 20 2 ...

Page 16: ...15 minute and 14 hour time delays Failure to remove short for long term operation will dam age the equipment and void the warranty 18 WIRELESS REMOTE CONTROLLER If this optional ac cessory will be used check it out at this time It will only work with the control pad either unit or wall mounted You should be able to control the unit from anywhere in the room by pointing the remote controller at the...

Page 17: ...mall hole may be drilled and grommeted in the subbase front to allow passage of the low voltage wires 3 When using a programmable or electronic wall thermostat that requires 24V power include the BK common wire to the thermostat HP wall stats with 2 stage heat and mul tiple fan speed controls require that all 7 low voltage wires to be connected The stat must be programmed to power both WH and BR w...

Page 18: ...BK BK RD CAP SC OM CM IM N Hi Lo N Hi C R S BU RD N T1 L BK RD RD RD WH WH BW BW WH WH BW BW PC1 NEUTRAL 2 HIGH FAN LOW FAN NEUTRAL 3 OTFAN HI 4WV NEUTRAL 1 RL6 L C C NO NO RL8 RL7 L COMP P3 P2 RD RD H1 H2 Electric Heater Transformer Control Pad Wireless Remote Control Room ID Coil OD Coil OutCoil InCoil Room CN8 PRI SEC CN11 CN5 CN2 CN10 CN6 CN7 CN4 CN3 PC2 BK BK BK BK GY GY THERMISTOR HL 1 1 2 2...

Page 19: ... conditions Unit malfunction will occur if air filters are not kept clean To remove the air filters grasp the top of the filters and pull straight up Vacuum the filters from the dirty side or wash with hot water and a mild detergent Allow the filters to dry thoroughly before replacing them See Figure 19 B Every year the chassis should be removed for a thorough checkup This should be completed as f...

Page 20: ... and the temperature of the conditioned space is 80o F Figure 20 Refrigeration Cycle 80o F Room Air to Evaporator 45o F R22 Liquid and Gas to Evaporator Capillary Restrictor 120o F Condenser Air to Outdoors Condenser Evaporator 60o F Conditioned Air to Room Hermetic Compressor 70 PSIG and 55o F to Compressor Gas 270 PSIG R22 to Condenser 95o F Outdoor Air to Condenser 120o F Liquid R22 Heating Coo...

Page 21: ...gh condenser due to 1 Dirty condenser 2 Obstructed outdoor louver 3 Condenser fan not running 4 Condenser fan not up to speed 5 Condenser fan slipping on motor shaft 6 Recirculation of condenser air a Check supply line fusses circuit breakers and be sure the power is on Blown fuses would indicate circuit overloading a short circuit or a grounded condition in the circuit Voltage supply to the equip...

Page 22: ... air flow 3 Clean or replace 4 Remove obstructions 5 Check motor 6 Check for correct voltage 7 Adjust blower wheel position and tighten set screw d Refer to original load calculations recalculate heat load e Close them f Replace g Replace a Adjust b Replace a Remove obstructions to water flow b Repair or replace c Check for correct voltage Replace motor or capacitor d Adjust a See No 1 b Raise the...

Page 23: ...coil temperature sensor H P only a Replace b Replace c Replace Trouble Possible Causes Treatment Troubleshooting Chart Continued Troubleshooting can present hazards of electricity rotating parts sharp edges and weight Troubleshooting must be done by trained experienced technicians only Improper troubleshooting can result in equipment damage severe personal injury or death WARNING ...

Page 24: ...the general appearance of McQuay Remington products at the time of publication and the manufacturer reserves the right to make changes in design and construction at anytime without notice 13600 Industrial Park Boulevard Minneapolis MN 55441 USA phone 763 553 5009 For replacement parts call 1 800 377 2787 2004 McQuay Remington Air Conditioning IM 812 Page 24 of 24 Rev 7 04 ...

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