Table Of Contents - McQuay M5WM Series Installation And Maintenance Manual

Table of Contents

General Information........................................................ 3
Safety Precautions.............................................. 3
Unit Dimensions............................................................. 4
Indoor Units ........................................... ..........4
Outdoor Units .......................................... ..........4
Installation Guidelines...................................................... 7
Installation Diagram............................................. 7
Installation of Outdoor Unit.................................... 7
Condensed Water Disposal of Outdoor Unit....... ..........7
Outdoor Unit Clearances................................. 7
Installation of the Indoor Unit................................. 7
Indoor Unit Clearances ..................................8
Piping ............................................................... 8
Mounting Plate Installation .................... .........8
Installing Unit on Mounting Plate ......................9
Drain Hose Installation ................................ .........9
Refrigerant Tubing.......................................................... 10
Tubing Length & Elevation....................................10
Tubing Preparation.............................................. 10
Tubing Connection To Units ........................ .........10
Electrical Connections ............................................ .........11
Cooling Unit ........................................... .........11
Heat Pump Unit .......................................... .........11
Wiring Diagrams ...................................................... .........12
Vacuuming and Charging.................................................. 18
Purging the Piping and the Indoor Unit...................... 18
Additional Charge............................................... 18
Charge Operation................................................ 18
Special Precaution When Dealing with R410A unit....... 19
Model Numbers
Cooling Only
Indoor Unit
M5WM10F
M5WM15F
M5WM20F
M5WM25F
Cooling/Heat Pump
Indoor Unit
M5WM10FR
M5WM15FR
M5WM20FR
M5WM25FR
Page 2
Outdoor Unit Nominal Cooling - BTUH
M5LC10C
M5LC15C
M5LC20C
M5LC25C
Outdoor Unit
M5LC10CR
M5LC15CR
M5LC20CR
M5LC25CR
Unit Indicator Lights ................................................. 19
IR Signal Receiver .................................... 19
Cooling Only Unit ....................................... 19
Heat Pump Unit .......................................... 20
Special Features ...................................................... 21
Dry Mode ................................................. 21
Heat Mode (Heat Pump Only) ....................... 21
Air Flow Control ...................................... 21
Hot Keep (for Heat Pump Only) .................... 21
Overheating Protection (Heat Pump Only) ......... 21
Frost Prevention ....................................... 21
Fan Speed and Rated Cooling Capacity ........... 21
Main Filters ............................................... 21
Cooling ................................................. 21
Electrostatic Air Purifying Filter ..................... 21
Deodorizing Filter ..................................... 21
Filter Replacement .................................... 21
Auto Random Re-start Function .................... 22
Low Ambient Kit ..................................... 22
Minimum and Maximum Operating Temperature..... 22
Remote Controller Operation Guide ........................... 23
Service and Maintenance ........................................ 25
Maintenance Schedule ............................... 25
Troubleshooting ....................................... 25
9000
12,000
17,500
23,000
Nominal Cooling - BTUH
9000
12,000
17,500
23,000
Nominal Heating - BTUH
8800
12,000
18,000
23,500
IM-5WMF(SEER13)-0706