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Carrier WEATHERMAKER ZONEKIT2ZCAR User Manual

Page 7

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NOTE:

An HP temperature sensor must be used with a heat pump

application using electric strip heat. This is necessary in case the
DTO is set to the Off position.

Timeguard

The WeatherMaker Two-Zone provides equipment protection with
an internal 5-minute timeguard delay. This delay is present upon
initial power up. There is also a 5-minute timeguard delay for all

cooling (Y1) and heat pump modes. The time guard can be cleared
by using the comprotec override feature. Second-stage (Y2) and
(W2) will have a 5-minute delay between stages and also can be
cleared using the comprotec override feature.

Maximum Cycle Rate

The WeatherMaker Two-Zone will allow a maximum of 4
equipment cycles per hr or 1 every 15 minutes when a heating or
cooling mode is activated. When a demand exists, and internal

Fig. 13—Electronic Non-Programmable Thermostat Wiring Diagrams

A97294

W

/

W1

C

Y

/

Y2

R

24 VAC HOT

TWO-ZONE BOARD
THERMOSTAT
INPUT

24 VAC COMM

HEAT STAGE 1

COOL STAGE 2

FAN

HEAT STAGE 2

COOL STAGE 1

N/A

TROUBLE

OUTDOOR
SENSOR
CONNECTION

TWO-STAGE HEAT,
TWO-STAGE COOL

SEE NOTES 1, 2, AND 3

G

O

/

W2

Y1

C

R

W1

Y2

G

W2

Y1

B

L

S1

S2

W

/

W1

C

Y

/

Y2

R

24 VAC HOT

NON-PROGRAMMABLE

ELECTRONIC

THERMOSTAT

MODEL AC

NON-PROGRAMMABLE

ELECTRONIC

THERMOSTAT

MODEL HP

TWO-ZONE BOARD
THERMOSTAT
INPUT

24 VAC COMM

HEAT STAGE 1

COOL STAGE 1

FAN

SINGLE-STAGE HEAT,

SINGLE-STAGE COOL

SEE NOTES 1 AND 3

G

C

R

W1

Y1

G

W2

Y2

NON-PROGRAMMABLE

ELECTRONIC

THERMOSTAT

MODEL 2S

*

*

W

/

W1

C

Y

/

Y2

R

24 VAC HOT

TWO-ZONE BOARD
THERMOSTAT
INPUT

24 VAC COMM

HEAT STAGE 1

COOL STAGE 1

FAN

HEAT STAGE 2

N/A

N/A

N/A

OUTDOOR
SENSOR
CONNECTION

TWO-STAGE HEAT,
SINGLE-STAGE COOL

SEE NOTES 1, 2, AND 3

G

O

/

W2

Y1

C

R

W1

Y1

G

Y2

W2

B

L

S1

S2

*

WIRING DIAGRAM NOTES:

* Hook up G on zone 1 thermostat only.
Cut R19 jumper on thermostat.
Disable timeguard and cycle protection in thermostat by setting
it to ZONE mode. Refer to thermostat Installation Instructions for
details on how to do this.

1.
2.
3.

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