Verona WALL HUNG GAS BOILER manual Electric Diagrams, Verify proper operation after servicing

Models: WALL HUNG GAS BOILER

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5. Electric Diagrams

5. Electric Diagrams

Electric supply

Fan

Safety

Air Pressure

Ignition

Flame Detection

 

 

terminal

 

 

block

External controls

L

N

terminal

 

 

block

 

 

3

2

1

bn

gnye

bu

 

 

 

rd

 

bu

 

 

 

 

 

Thermostat

 

 

rd

 

M

rd

 

~

 

 

wh

gy

gnye

Verify proper operation after servicingManual backgroundManual backgroundManual background gnye

 

Switch

NC

NO

bn

bu

 

COM

 

bk

Electrodes Electrode

1

yebk whgy bu rd

rd

bu bn

 

bk rd bu bu

bk bk

gy gy

gnye

gnye

 

 

ye bk wh gy bu

rd

 

rd

 

 

rd

 

 

wh

 

 

gy

 

 

bk

 

 

bu

 

 

bn

 

 

gnye bu gy

 

 

gy

bk

 

wh

 

 

 

bu

 

 

bk

rd

 

rd

 

 

 

bu

 

COM

bk

bk

bu

bu

t

gnye gy bu

M

~

gy

gy

*

NO

bn - brown bu - blue bk - black wh - white rd - red gy - grey ye - yellow

gnye - green/yellow

Primary Circuit

C.h. temperature

Pump

Gas

Flow Switch

probe NTC

 

Valve

* ---> directly connected to the electronic ignition board

Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

Verify proper operation after servicing

RIVA HEAT ONLY MANUAL - REV A

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Page 13
Image 13
Verona WALL HUNG GAS BOILER manual Electric Diagrams, Verify proper operation after servicing