Ignition Control - L.B. White Premier TS040 Manuel Du Propriétaire Et Instructions D'installation

22
Premier Ductable Heater

Ignition control

The control sends and receives voltages to operate or
verify operation of components. Refer to the following
and Fig. 26 to understand the ignition control's terminal
designators if doing voltage checks on the control.
L1: Main power supply voltage to control.
IND: Main power supply voltage from control to motor.
LED: Not used
MV: 24 VAC from ignition control through high limit
switch to gas control valve.
PS2: 24 VAC return from air proving switch back to
ignition control.
PS1: 24 VAC from ignition control to air proving
switch.
W: 24 VAC from transformer to igntion control. (without
this voltage from the transformer, the ignition
control will not function.
FS: No terminal.
R: No terminal.
X: No terminal
C/COM: Earth ground for transformer and ignition
control.
as needed to understand operation of the ignition
control during a call for heat.
FIG. 26
Owner's Manual • Premier Ductable Heater
Transformer
The transformer reduces main power supply voltage
to 24 VAC for operation of the the ignition control.
Without 24 VAC from the transformer, the ignition
control will not function, nor will the heater operate.
Premier 40
Ignition
Transformer
Control
Premier 80/170, Premier 170 shown
Transformer