16
EN
Wiring Diagrams Water Heater
Yellow
Yellow
Black/Brown
DNG Chuan Relay Zettler Relay
Black/Brown
Green
Green
Black
Black
12 Gas/Electric Combination Relays Wiring Diagram
On Demand Models
Pressure Switch
Spark & Sense
Gas Valve
Ign. Cont
Relay
Green Ground
Red
Red
Red
Fuse
+12 VDC
Freeze
Cold Pack
(optional)
Purple
PROX
Blue
Green
Red
Red
Blue
E.C.O.
Red
MOT
Lockout Lamp
(optional)
Brown
13 On Demand Wiring Diagram
Power In from Reed Switch
or Power from Cold Weather Thermostat
Power Out to Motor
and Pressure Switch
Power
from
E.C.O.
Ground Wires
14 On Demand Relay Wiring Diagram
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