WIRING DIAGRAMS SPECIFICATIONS

21

WIRING DIAGRAMS

Note: For proper operation of optional accessories, the wires from the switch to the control must be connected exactly as shown in Figures 43 and 44.

A

 

UT

O

OF

O

F

N

 

Thermopile

Figure 43 - Switch Wiring Diagram

CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

Variable

Fan SwitchFan Switch

(N.O.)

Off 1

2 Black

On Blue

Red

110/115

V.A.C.

Black

Green

Blower

White

Motor

Figure 44 - Blower Wiring Diagram

SPECIFICATIONS

 

VI33NR

VI33PR

Btu (Variable)

20,000/30,000

20,000/30,000

Type Gas

Natural Gas Only

Propane/LP Only

Ignition

Piezo

Piezo

Pressure Manifold

3.5" W.C.

8.0" W.C.

Inlet Gas Pressure (in. of water)

 

Maximum

10.5"

14"

Minimum*

5"

11"

* For input adjustment

 

 

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111285-01B

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Desa VI33NR VI33PR installation manual Wiring Diagrams, Specifications