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5

Table 1 – Dipswitch Settings

Dipswitch

Position

Operation Description

Default (OFF)

Optional Settings

1

Auto changeover time between heating and

cooling or vice versa

Auto changeover time

ENABLED

(OFF)

Auto changeover time

DISABLED

2

Together with dipswitch 3, determines

chanegover time

20

minutes auto

changeover time (OFF)

30

minutes auto changeover time (ON)

3

Multiplier for the modified time set on dip-

switch 2

1.0 multiplier (OFF)

0.5 multiplier (ON)

4

Installer Test Mode used to check system

operation

Normal operation (OFF)

Installer Test Mode

ENABLED

(ON)

5

Disables zoning operation with all dampers

open and Zone 1 thermostat as controller

Zoning Operation

ENABLED

(OFF)

Zoning Operation

DISABLED

(ON)

6

Setting G (Fan) to energize with W

W

NOT

energized with G

(OFF)

W energized with G (ON)

7

Sets Leaving air Temperature (LAT) limit

temperature (HP/2 Stage control only)

145

_

F

(OFF)

(OFF)

160

_

F

(ON)

175

_

F

(ON)

8

130

_

F

(ON)

(OFF)

9

Designated Zoning Controller connection to

heat pump (HP) or an air conditioner (AC)

1 or 2 Speed HP / 1 Stage

Aux. Heat (OFF)

1 or 2 Speed

AC / 1 or 2

Stage Heat

1

(ON)

1 Speed HP / 1

Stage Aux Heat

2

(OFF)

10

Designates the type of thermostat used with

the Zoning Controller (HP or AC)

(ON)

11

Disable over/under temperature protection

for the equipment in emergency situations

LAT and HPT Safety Pro-

tection

ENABLED

(OFF)

LAT and HPT Safety Protection

DISABLED

(ON)

12

Determine the Reversing Valve is energized

for cooling (O function) or heating (B func-

tion)

Reversing Valve energized

on

COOLING

(OFF)

Reversing Valve energized on

HEATING

(ON)

1

For 2 stage heating, the stat may be a 2 stage heat AC stat or a HP stat converted to AC.

2

Uses an AC stat with 2 stage heating instead of a HP stat.

Summary of Contents for ZONECC3ZAC01

Page 1: ...peration when utilizing a heat pump S Max Cycle Rate Allows 4 equipment cycles per hr cph providing maximum equipment protection S Selection Jumpers Designed for easy configuration S Additional Options S Timeguard override S Compressor protection S Modulating damper control in emergency situations S Damper fuse protection S High and low temperature limits S Auto changeover from any zone S RH and R...

Page 2: ...tuator required 3 conductors S The connection to thermostat and equipment furnace or fan coil could require as many as 8 conductors for a multi state installation S The Leaving Air Temperature LAT and Heat Pump Temperature HPT used with heat pumps only sensors require 2 conductors each S Cables with excess conductors are acceptable Step 1 Mounting the Carrier 3 Zone System The Carrier 3 Zone Syste...

Page 3: ...3 Thermostat Wiring Example Zone 1 Zone 2 Fig 3 Wiring Diagram for Installation of Thermostats Fig 4 Installing Dampers ...

Page 4: ...g to detect a heating overload condition at the coil with a shutdown temperature of 115_F It can be installed through the wall of the fan coil or may be located entirely inside the fan coil near the blower inlet being careful that it does not interfere with the blower wheel If the HPT sensor is not used the 10K ohm resistor attached to the 2 HPT terminals on the board must be left in place NOTE ZO...

Page 5: ...T energized with G OFF W energized with G ON 7 Sets Leaving air Temperature LAT limit temperature HP 2 Stage control only 145_F OFF OFF 160_F ON 175_F ON 8 130_F ON OFF 9 Designated Zoning Controller connection to heat pump HP or an air conditioner AC 1 or 2 Speed HP 1 Stage Aux Heat OFF 1 or 2 Speed AC 1 or 2 Stage Heat1 ON 1 Speed HP 1 Stage Aux Heat2 OFF 10 Designates the type of thermostat use...

Page 6: ...AT EQIUPMENT POWER FURNACE OR FAN COIL AIR CONDITIONER COOL LO HEAT FAN R C Y Y2 G Rz C HI HEAT R C Y1 G W1 Y2 W2 O SWITCH 9 ON SWITCH 10 ON R C Y1 G W1 Y2 W2 O R C Y G W2 C Y A04197 HP 2S 3 Zone Control AC Stat 1 Stg AC with 1 or 2 Stg Heat H P 2S 3 ZONE CONTROL ZONE 1 INPUT ZONE 1 AC TSTAT EQIUPMENT POWER FAN COIL HEAT PUMP COOL HP HEAT FAN R C Y Y2 G Rz C AUX HEAT R C Y1 G W1 Y2 W2 O SWITCH 9 O...

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