Carrier 40MUAA Installation Instructions Manual Download Page 32

Page: 32 / 32

Edition Date: 09/22

Catalog No: IM-40MUAA-01

Replaces: NEW

40MUAA: Installation Instructions

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Summary of Contents for 40MUAA

Page 1: ...es Have a fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions included in the literature and attached to the unit Consult the local building codes and th...

Page 2: ...n a safe place and do not discard any accessories until the installation is complete Table 1 Accessories EXPLOSION HAZARD Failure to follow this warning could result in death serious personal injury a...

Page 3: ...reserves the right to change at any time specifications and designs without notice and without obligations 3 Indoor Unit Parts A220693 Fig 2 Indoor Unit Representation A220692 Table 2 Air Handler Drai...

Page 4: ...B Depth C Width D E F 18K 24K 45in 21in 17 5in 15 75in 10 25in 23in 1143mm 534mm 445mm 400mm 260mm 585mm 30K 48K 49in 21in 21in 19 31in 10 25in 23in 1245mm 534mm 534mm 490mm 260mm 585mm 60K 53in 21in...

Page 5: ...re The installation must be performed according to the installation instructions Improper installation can cause water leakage electrical shock or fire In North America installation must be performed...

Page 6: ...odes may require a field supplied secondary condensate pan to be installed under the entire unit Some localities may allow as an alternative the running of a separate secondary condensate line Consult...

Page 7: ...Fig 9 Horizontal Right NOTE Vertical up and horizontal left installation does not need to change the direction of evaporator NOTE The unit may be installed in one of the upflow downflow horizontal le...

Page 8: ...e upper cover assembly Fig 14 Remove Upper Cover Assembly 3 Remove the evaporator cover plate Fig 15 Remove Evaporator Cover Plate 4 Unplug temperature sensors T1 T2 T2A T2B and electronic expansion v...

Page 9: ...tor and drain pan and rotate 180 Fig 18 Remove and Rotate Drain Pan 7 Adjust the position of the mounting parts Fig 19 Adjust Mounting Parts Position 8 Reinstall the evaporator and drain pan Fig 20 Re...

Page 10: ...Valve 10 The evaporator is assembled in place Fig 22 Assembled Evaporator 11 Reinstall evaporator cover plate Fig 23 Reinstall Cover Plate 12 Connect the wire according to the wiring diagram 13 Reasse...

Page 11: ...ion as tested by UL Standard 181 for Class 1 air ducts The air supply and return may be handled in one of several ways whichever situation is best suited for the installation See Fig 5 on page 6 A lar...

Page 12: ...should be at least 2in 5cm above the ground If it touches the ground the unit may become blocked and malfunction If you discharge the water directly into a sewer make sure that the drain has a U or S...

Page 13: ...ds are flared it is impossible to put them on or change their direction A220807 Fig 32 Copper pipe and flare nut d Remove the PVC tape from ends of pipe when ready to perform the flaring work e Clamp...

Page 14: ...ncluding the outdoor unit valves 17 Brazing Adapter Optional When flare to braze adapter is used follow these steps a Refer to the liquid line and gas line connection O D sizes in Table 4 based on the...

Page 15: ...rons and a vacuum gauge capable of accurately measuring this vacuum depth The deep vacuum method is the most positive way of assuring a system is free of air and moisture NOTE DO NOT add a filter line...

Page 16: ...NOTE Installation of Auxiliary Electric Heat Module should be completed before installing the discharge ductwork to insure proper alignment of the inside support brackets Before installation check th...

Page 17: ...remove the upper cover knock outs A220792 Fig 41 Remove the Upper Cover 2 Remove the terminal block and power cord 3 Loosen the screws 4 Remove the electric auxiliary heating cover A220793 Fig 42 Remo...

Page 18: ...frequency phase and ampacity are as specified on the unit rating plate Review the unit wiring label for proper field high and low voltage wiring Ensure all electrical connections are in accordance wi...

Page 19: ...REQUIREMENTS Size all wires per the NEC National Electrical Code or CEC Canadian Electrical Code and local codes Use the electrical data from the outdoor unit MCA minimum circuit amps and MOCP maximu...

Page 20: ...1 Not included Fig 50 Scenario 2 UNIT SIZE V PH HZ INDOOR FAN FLA HP W Out System Power Factor MAX FUSE CB AMP When powered independently 18K 208 230 1 60 2 0 1 3 250 69 15 24K 3 0 1 3 250 89 30K 3 5...

Page 21: ...Y Y2 B W W1 W21 E AUX DH DS BK Display Shut Down 0 0 0 0 0 0 0 0 00 Fan 7 1 0 0 0 0 0 0 0 1 01 Fan 1 0 0 0 0 0 0 0 0 Cooling 6 1 0 0 0 0 0 0 1 02 Cooling2 1 0 0 0 0 0 1 03 Dehumidification 1 1 0 0 0 0...

Page 22: ...perature is lower than the temperature represented by S3 9 Rotary Switch S3 Set outdoor temperature Limitation for auxiliary heating or compressor 0 means that the temperature protection is not turned...

Page 23: ...The default is OFF 90 minutes ON 30 minutes SW3 2 This dialing code can set Y Y2 signal setting temperature adjustment deviation ON 2 F 1 C OFF 4 F 2 C SW3 3 This dialing code can set W2 signal settin...

Page 24: ...4 1 00 698 1 00 826 1 00 925 1 00 1118 Mid 0 524 Mid 0 692 Mid 0 813 Mid 0 1010 Mid 0 1155 Mid 0 1367 0 10 528 0 10 690 0 10 811 0 10 1001 0 10 1156 0 10 1358 0 15 532 0 15 685 0 15 813 0 15 1001 0 15...

Page 25: ...ALARM interface or annunciator There is no voltage from CN33 power is provided from the ALARM system and not from the unit The contacts are rated at 250VAC and 10 AMP maximum When the unit experience...

Page 26: ...rmal When the remote switch off the unit would not respond the command from the remote controller or wired controller and a CP code would be displayed on the board The voltage of the port is 12V DC de...

Page 27: ...ditioner Turn off the main power switch and reinstall the test cover NOTE If the unit malfunctions or does not operate according to your expectations please refer to the Troubleshooting section of the...

Page 28: ...formation refer to the indoor unit service manual DISPLAY ERROR INFORMATION EH00 Indoor EEPROM Malfunction EL01 Communication malfunction between the indoor and outdoor units EH03 Indoor fan speed mal...

Page 29: ...29 ELECTRIC AUXILIARY HEATING WIRING DIAGRAMS Table 18 Specifications Power cord A for main unit on all sizes A220797 Fig 61 Electric Auxiliary Heating Wiring Diagram Specifications No of Circuit Bre...

Page 30: ...ns Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 30 ELECTRIC AUXILIARY HEATING WIRING DIAGRAMS CONT A220798 Fig 62 Electric Au...

Page 31: ...Y2 INDOOR UNIT OU TDOOR UNIT DH O B W2 Y2 Y1 G L C R W1 E THERMOSTAT Y Y2 R L G B W E C Y1 DH W1 W2 R B W D L C Y1 Y2 INDOOR UNIT DH OUTDOOR UNIT O B W2 Y G L C R W1 E THERMOSTAT Y Y2 R L G B W E C Y...

Page 32: ...s reserved Edition Date 09 22 Catalog No IM 40MUAA 01 Replaces NEW 40MUAA Installation Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and...