MCQUAY Service Guide Book    Controller Configuration 
 
27 
   
L2 Models 
 
Two selections are available: 
 
a. Fan ON: 
    - If the indoor coil temperature > 40°C, the 
indoor fan will run at speed. 
    - If the indoor coil temperature crosses 37°C, 
the indoor fan will run at low speed. 
    - If the indoor coil temperature <18°C, the 
indoor fan will stop.     
 
b. Fan OFF 
    - If the indoor coil temperature >40°C, the 
indoor fan will run at set speed. 
   - If the indoor coil temperature crosses 37°C, 
the indoor fan will run at low speed. 
   - If indoor coil temperature <30°C, the indoor 
fan will stop. 
 
 
 
 
 
 
 
 
 
 
 
 
.  
 
 
 
 
 
 
 
 
 
 
L208A / LWS2.0 models 
 
There are 2 tables setting for HT_KP & MODEL 
jumpers as shown as below. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Summary of the jumpers setting for both LWS2.0 and L208A 
 
For example, WSHP single compressor with Fan 
ON for hot keep selection: 
 
Place the shunt jumpers on HT_KP (Pin 1 & 2) & 
MODEL (Pin 1& 2). 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
For LWS2.0 jumper setting 
  MODEL  HT_KP 
Pin 1&2  Single  ON 
Pin 2&3  Tandem  OFF 
Open DX INTVL 
 
For L208A jumper setting 
 MODEL HT_KP 
Pin 1&2  MS  ON 
Pin 2&3  INTVL  OFF 
Open ALWY ON   -