Pr
o
-
C
Series
14
F1
L1
H1
cutout
airflow switch
SC
L2
L3
H3
F2
1
2
3
Solitech
master controller
SC
SC
fuse
H1
H2
to main panel
on SP unit
remote duct stat
with set point adjuster
Line P
o
wer
208-240V/1¯/60Hz
electric heat coil
3Ø Electric Preheat Frost Control Circuit Diagram
1Ø Electric Preheat Frost Control Circuit Diagram
F1
L1
H1
cutout
airflow switch
SC
L2
L3
H3
F2
1
2
3
Solitech
master controller
SC
SC
fuse
H1
H3
to main panel
on SP unit
remote duct stat
with set point adjuster
Line P
o
wer
208-240V/480V/3¯/60H
delta- or wye-connected
electric heat coils
SC
H2
manual cutoff
H2