10 X 12 11
COM HI LO AUTO
R
W
B
POTENTIOMETER
CONTROLLER
R W B
T T
FIRING RATE
MOTOR
POWER
SUPPLY
Connect terminal E to grounded bonding screw in cabinet.
All wiring must comply with NEC Class 1
(Line Voltage) wiring.
Caution: All safety limit switches should be approved as
limit controls and should be wired directly in the circuit of
the Flame Safeguard control. The use of electronic switches
to close interlock circuits may cause erratic operation.
Note:
1. LGP Input (Terminal 21) is active HIGH for YP148 programmer and active LOW for YP184 programmer.
2. Fuel Selection (Terminal 16) is active HIGH for GAS fuel and active LOW for OIL fuel.
3. Fireye recommends that valve proving be performed during pre-purge to capture possible off cycle leaks before attempting ignition.
In addition, the post purge wiring may trigger inaccurate alarms such as a 3 – P lockout if the recycle LWCO opens during run.
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