Page
12 of 40
Number
PM820010
HVAC: SmartAir eHVAC System
INTERNAL COMPONENTS
A. High Pressure Switch
This normally closed brazed pressure switch will open
and prevent the operation of the compressor due to high
internal pressure. It is NOT serviceable.
Figure 10.
High Pressure Switch
B. Compressor
This unit is part of the hermetically sealed refrigeration
system.
Figure 11.
Compressor
C. Thermal Limit Switch on Compressor
This is a normally closed (auto reset) switch to protect
the compressor from high temperature.
Figure 12.
Thermal Limit Switch on Compressor
D. Evaporator Inlet Filter
This filter protects the evaporator coil from dust and
debris. It is washable and should be serviced periodically
during routine maintenance.
Figure 13.
Evaporator Inlet Filter
When necessary, the Check Filter indicator will notify you
that the EHVAC filter must be cleaned or changed. To
reset “Check Filter” – at screen 1 press and hold enter
button for 3 seconds.
