Page 9.2, Misc1 only), Important caution – Venstar T1900 User Manual

Page 42

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background image

HP

GAS

B

O

ELEC

GAS

(F

A

N

)

W1

Y1

G

R

C

MISC2

CK1

CKGND

W2

MISC1

RS2

RSGND

MISC3

RS+5

Rs1

W3

PROG

HUM

DEHUM

MISC3

MISC2

MISC1

Y2

(MISC1
ONLY)

INSTALL HUMIDITY

MODULE WITH SENSING

ELEMENT OUTWARD

H

U

M

N

O

H

U

M

1

2

4

6

8

X

Z

1

5

7

9

Y

3

Page 9.2

Setting a Thermostat Output Jumper
for Humidity Operation

In the diagram below, the MISC3 jumper
has been set for HUM (humidify) operation.

NEVER PUT MORE THAN ONE JUMPER

ON THE SAME MISC JUMPER BLOCK!

THIS MAY DAMAGE THE THERMOSTAT

AND VOID YOUR WARRANTY

MISC3

MISC3

OK

To control a MISC output for humidification, place the MISC1, MISC2,
or MISC3 jumper on the terminal labeled HUM (see diagram below).
This will supply 24VAC to the selected MISC terminal based on the
humidification programming in the following pages. Only one of the
three outputs (MISC1, MISC2, or MISC3) is required to have this
jumper. For more information regarding the MISC1, MISC2, and
MISC3 outputs, please see section 21.

W3

PROG

HUM

DEHUM

MISC3

MISC2

MISC1

Y2

(MISC1

ONLY)

9

IMPORTANT CAUTION

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