Chromalox PF452-4 - Manual (Page 5)

5
WIRING DIAGRAMS
Figure 9
170-057688-017
Notes:
1. C2 Must Be Con-
nected To 1st Stage
Of Thermostat
2. For Single Stage
Operation Jumper
C2 & C3
Figure 10
170-057688-018
Notes:
1. C2 Must Be Con-
nected To 1st Stage
Of Thermostat
2. For Single Stage
Operation Jumper
C2 & C3
Motor Lubrication
Motors in VUH-C-30 through VUH-C-50 heaters have ball bearings which are factory lubricated for life.
Note: All fan motors are totally enclosed and internally thermal overload protected.