– 16 –
E1
L1
N
GND
E2
E3
E4
E5
FLAME SENSOR
GAS VALVE
BLOWER
EXTERNAL MONITOR LIGHT
HIGH LIMIT SWITCH
PRESSURE SWITCH
IGNITER
Figure 15
Wiring Diagram - Control (Robertshaw 2000N WDER Control)
GAS CONTROL
SWITCH
GAS VALVE
CONNECTOR
GAS INLET
1/2” NPT
INLET PRESSURE
PORT
SAFETY COVER
MANIFOLD PRESSURE
ADJUSTMENT (REMOVE
DIAL FOR ACCESS)
INCREASE
PRESSURE
DECREASE
PRESSURE
GAS VALVE
CONNECTOR
GND
QUICK CONNECTORS
MAIN AND IGNITER
PRESSURE SWITCH
AND INDUCER
70°C (160°F) MAX. DIAL
60°C (140°F) MAX. DIAL
Figure 16
Gas Control/Thermostat Details
GAS CONTROL/THERMOSTAT - VIEW OF
ELECTRICAL CONNECTIONS, WITH
COVER REMOVED
GAS CONTROL/THERMOSTAT - VIEWED
FROM GAS INLET WITH TEMPERATURE
DIAL REMOVED
WARNING
When the unit is plugged in, 120VAC is pres-
ent at the electric connections of the gas
control/thermostat.
