Multi Split Conversion - McQuay MWM Service Manual

MCQUAY Service Guide Book

6.2 Multi Split Conversion

Cooling Only Model (L2.0 / L208A)
MWM-G, MCK-A/B/C/E, MCM-E, MCC-C which
are using L2 control board can be switched to
multi split units without any modification needed.
Heatpump Model (L2.0)
MWM-GR
The Multi Split mode can be selected at the slide
switch on the On/Off Switch Board; Preset at
OFF.
The outdoor coil sensor has to be removed from
the PCB as the reading is taken from the outdoor
PCB directly.
Heatpump Models (L208A)
MCK-AR/BR/CR/ER, MCM-ER, MCC-CR
The multisplit can be selected by using shunt
jumper and short jumper header MODEL_KP
between pin 1 & 2 as the picture shown below.
The outdoor coil sensor has to be removed from
the PCB as the reading is taken from the outdoor
PCB directly.
36
Controller Configuration