Remington IM 812-2 User Manual Download

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Installation & Maintenance Data

IM 812-2

Group: PTAC/PTHP

Date: April 2006

McQuay/Remington

Packaged Terminal Air Conditioners and Heat Pumps – C Vintage

Summary of Contents for IM 812-2

Page 1: ...Installation Maintenance Data IM 812 2 Group PTAC PTHP Date April 2006 McQuay Remington Packaged Terminal Air Conditioners and Heat Pumps C Vintage 2006 McQuay International...

Page 2: ...2 Wall Sleeve 3 Outdoor Louver 4 Subbase Optional for 208V and 230V units but manda tory for all 265V 5 Separate plug in power cord selects heater size NOTE Some units with fixed heaters are also avai...

Page 3: ...nal kW 30A Electric Heater7 Z 5 0 Nominal kW 20A 265V Electric Heater8 C Chassis Mounted Control9 W Wall Mounted Control10 Notes 1 All chassis ship with an Installation Manual and mounting screws 2 Fa...

Page 4: ...on the indoor fan will operate continuously When dip switch 8 is in the ON position the indoor fan will cycle on and off with the compressor or heater In cycle fan dip switch 8 ON the fan will start e...

Page 5: ...y using a G11 hand held remote con troller available from your sales representative Programming P1 using the G11 control press and hold the upper button for 3 seconds until P1 starts flashing on the G...

Page 6: ...e used to provide support over each opening The rough opening should measure 161 4 high x 421 4 wide see Figure 2 Note 2 When a subbase is used the opening must start 31 4 or 41 4 above the finished f...

Page 7: ...n using the outdoor drain kit the sleeve must 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...

Page 8: ...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 208 230V only An elect...

Page 9: ...subbase or from other field supplied materials or it can be floor mounted for 208 230V Install as follows 1 Clean the opening of all debris that may interfere with installation 2 If the unit is to be...

Page 10: ...lace 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...

Page 11: ...optional drain kit is to be employed heat pumps only refer to page 7 before proceeding 4 If wall thickness exceeds dimensions shown in Table 1 a wall sleeve extension must be used Install the extensio...

Page 12: ...the 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 Fram...

Page 13: ...blade 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 Have your local...

Page 14: ...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 t...

Page 15: ...located at the lower left end of the chassis See Figure 15 Note Remove shipping screw from door if it needs to be opened 4 If the conditioner will use the standard control pad continue to step 5 If a...

Page 16: ...the room and close the door Wait 6 minutes then re enter the room The unit should now show mode and temperature pro grammed for P1 Remove the short from the T SHRT prongs to restore the normal 15 minu...

Page 17: ...emoval Also see pages 5 and 8 2 If a subbase is used under the unit wall sleeve a small hole may be drilled and grommeted in the subbase front to allow passage of the low voltage wires 3 When using a...

Page 18: ...Disconnect all electric power including remote disconnects before servicing Failure to discon nect power before servicing can cause severe personal injury or death Use copper conductors only Unit term...

Page 19: ...age Disconnect all electric power including remote disconnects before servicing Failure to discon nect power before servicing can cause severe personal injury or death Use copper conductors only Unit...

Page 20: ...Voltage Disconnect all electric power including remote disconnects before servicing Failure to discon nect power before servicing can cause severe personal injury or death Use copper conductors only U...

Page 21: ...rce 2 Remove the front panel and clean it 3 Remove the chassis from the wall sleeve and move it to the maintenance department Replace it with spare chassis or weather plate 4 Check all seals and insul...

Page 22: ...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 Out...

Page 23: ...h 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...

Page 24: ...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...

Page 25: ...Loose plug connec tion defective control pad or PC board a Replace b Replace c Replace d Clean coils fans or filters Replace fan motor Check baffles in sleeve extension Check free area of louver Repla...

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Page 28: ...visit us at www mcquay com and click on training or call 540 248 9646 and ask for the Training Department Warranty All McQuay equipment is sold pursuant to its standard terms and conditions of sale i...

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