M22A And M33C Indoor Unit Control Board Switches Location - Lennox MCFA Service Manual

1.7.

M22A and M33C Indoor Unit Control Board Switches Location

S1+S2
CCM Address
(VRF only)
SW1
Pre-Heat Function
Adjustment
Figure 1. M22A Main Control Switches
S1+S2
CCM Address
(VRF only)
SW1
Pre-Heat Function
Adjustment
Figure 2. M33C Main Control Switches
8
SW6
Heating Temperature
Compensation
Adjustment
SW3
Auto Restart
Function
SW6
Heating Temperature
Compensation
Adjustment
SW3
Auto Restart
Function
SW5
For Mode Conflict
Setting
(24k and smaller
units only)
SW2
Indoor Fan
Speed
Adjustment
(future version)
SW5
For Mode Conflict
Setting
(24k and smaller
units only)
SW2
Indoor Fan
Speed
Adjustment