Page 2
IM 796
Table of Contents
General Information ............................................ 3
Safety Precautions .......................................3
Unit Dimensions ................................................. 4
Indoor Units ................................................4
Outdoor Units .............................................5
Installation Guidelines ........................................ 6
Installation Diagram ...................................6
Installation of Outdoor Unit ........................6
Outdoor Unit Clearances ...................... 6
Installation of the Indoor Unit ....................6
Indoor Unit Clearances ......................... 6
Piping ................................................... 6
Mounting Plate Installation .................. 7
Installing Unit on Mounting Plate ........ 7
Drain Hose Installation ......................... 7
Refrigerant Tubing .............................................. 8
Tubing Length & Elevation .................. 8
Tubing Preparation ............................... 8
Tubing Connection To Units ................ 8
Electrical Connections ........................................ 9
Cooling Unit ......................................... 9
Heat Pump Unit .................................... 9
Wiring Diagrams ............................................... 10
Evacuating and Charging .................................. 16
Evacuating tubing and the indoor unit 16
Additional charge ............................... 16
Charge operation ................................ 16
Unit Indicator Lights ........................................ 17
IR signal receiver ................................17
Cooling only unit ................................17
Heat pump unit ....................................17
Special Features ................................................ 19
Dry mode ............................................19
Heat mode (heat pump only) ..............19
Air Flow Control .................................19
Hot Keep (for heat pump only) ...........19
Overheating protection
(heat pump only) .................................19
Frost prevention ..................................19
Fan speed and rated cooling capacity .19
Main Filters..........................................19
Cooling ................................................19
Electrostatic Air Purifying Filter ........20
Deodorizing Filter ...............................20
Filter Replacement ..............................20
Auto Random Re-start Function .........20
Low Ambient Kit ................................20
Minimum and Maximum Operating
Temperatures ............................................ 20
Remote Controller Operation Guide ................. 21
Optional Netware 2 - Wired Wall Control ........ 22
Service and Maintenance .................................. 23
Maintenance Schedule ........................23
Troubleshooting ..................................23
Model Numbers
Cooling Only
Cooling/Heat Pump
Indoor Unit
Outdoor Unit
Nominal Cooling - BTUH
MWM10F
MLC10B
9200
MWM15F
MLC15B
11,500
MWM20F
MLC20B
19,000
MWM25F
MLC25B
24,000
Indoor Unit
Outdoor Unit
Nominal Cooling - BTUH
Nominal Heating - BTUH
MWM10FR
MLC10BR
9200
9200
MWM15FR
MLC15BR
11,500
12,000
MWM20FR
MLC20BR
19,000
20,000
MWM25FR
MLC25BR
24,000
25,000