L1 n gnd, Figure 18. gas control/thermostat details – John Wood Power Direct Vent (ENERGY STAR) User Manual

Page 16

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WARNING

When the unit is plugged in, 120VAC is pres-
ent at the electric connections of the gas
control/thermostat.

E1

L1

N

GND

E2

E3

E4

E5

FLAME SENSOR

GAS VALVE

BLOWER

EXTERNAL MONITOR LIGHT

HIGH LIMIT SWITCH

PRESSURE SWITCH

IGNITER

Figure 17. 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 18. 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

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