Figure 5 - wiring diagram for installing relay – Reznor VR Option - Installation - Outside Air Kit User Manual

Page 4

Form I-VR-OA, P/N 205406 (Rev 3), page 3

FIGURE 4 - Attach

relay in location

shown and connect

wires according to

the wiring diagram in

FIGURE 5.
NOTE: When using

outside air, the

pressure switch will

sense high outdoor

wind, and the pressure

switch contacts will

close.

The relay

permits a “call for

heat” during high

wind conditions and

prevents a nuisance

problem of the DSI

control going into

lockout.

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FIGURE 5 - Wiring

diagram for installing

relay.

supplied piping that extends to the outside air inlet terminal. Do not extend

the flexible pipe more than three feet (.9M) as it must be able to expand

and contract with the heater.

5) Install the Relay - Open the control access door on the burner/control

box. Locate the two holes between the transformer and the ignition control-

ler (See

FIGURE 4). Install the relay using the screws provided.

Wire the relay according to the wiring diagram in

FIGURE 5 or the label in

the kit.

6) Close the control access door and adhere the wiring diagram label to the

rear of the burner box.
During unit startup, check for proper operation.