Venstar T1800 Owner's Manual download pdf (Page 8)

Page 3.2

Configuring the Jumpers

NEVER PUT MORE THAN

ONE JUMPER ON THE SAME

MISC JUMPER BLOCK!

DOING SO MAY DAMAGE

YOUR THERMOSTAT AND

VOID THE WARRANTY.

HUM

DEHUM

MISC3 MISC2 MISC1

(MISC1

ONLY)

CAUTION

MISC3

For additional flexibility, your thermostat has three configurable

outputs. These outputs are designed to have different functions

depending on how the jumpers are set (below).

Each output, labeled MISC1, MISC2, and MISC3 may be set for one

of the five choices available.

In the diagram below, the MISC3 jumper has been set for HUM*

(humidification) operation, the MISC2 jumper has been set for

DEHUM* (dehumidification) operation, and the MISC1 jumper has

been set for W3 (3rd stage of heat) operation.

GAS

ELEC

GAS

(FAN)

MISC2

MISC1

RS2

RSGND

MISC3

RS+5

Rs1

HUM

DEHUM

MISC3 MISC2 MISC1

(MISC1

ONLY)

INSTALL HUMIDITY

MODULE WITH SENSING

ELEMENT OUTWARD

HUM

NO HUM

*The Humidity Module (sold separately) must

be installed to operate a humidification

and/or dehumidification system.

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Venstar T1800 Owner's Manual Page 8

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