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Comfort Zone Configuration Table

TOGGLE

DESCRIPTION

FACTORY

DEFAULT

RECORD

JOB SETTING

T1

Timeguard Override

OFF

T2

Celsius Temperature Display

OFF

T3

2400 Baud Rate

ON

T4

Error Code Display

ON

T5

Enable Broadcast

ON

T6

Heat Pump Operation

OFF

T7

Outside Air Temp Sensor Attached

OFF

T8

Comfort Trend Setting

ON

T9

Auto Fan Off For Heat

OFF

T10

High/Low Temperature Limits

ON

T11

Installer Switch Lockout

OFF

T12

Force Outside Air Ventilation

OFF

T13

Smart Sensor Attached For Zone 2

OFF

T14

Smart Sensor Attached For Zone 3

OFF

T15

Smart Sensor Attached For Zone 4

OFF

T16

Zone 2 Active

ON

T17

Zone 3 Active

ON

T18

Zone 4 Active

ON

T19

Economizer

OFF

T20

Alternating Display

OFF

T21

Outside Air Damper Attached

OFF

T22

System Mode Reselect

OFF

T23

System Error Checking

OFF

T24

50 Hz Operation

OFF

T25

Ventilation Mode

OFF

T26

Two-Stage Heat Pump

OFF

T27

Dx Sensor For LAT Checking

OFF

T28

Cool Without Fan

OFF

SETTING

S-1

4 Zone Controller Bus Address

04

S-2

Max Cooling Setpoint

85

S-3

Min Heating Setpoint

65

S-4

Max Damper Position

15

S-5

Ventilation Damper Position

00

S-6

High Temp Trip Limit

105

S-7

Dual Fuel Setpoint

00

ROTARY

09

Base Temp Setpoint Scale

08

Calibrate Dx Coil Sensor

07

Calibrate Outside Air Temp Sensor

06

Calibrate Duct Temperature Sensor

05

Calibrate Zone 4 Temp Sensor

04

Calibrate Zone 3 Temp Sensor

03

Calibrate Zone 2 Temp Sensor

02

Calibrate Zone 1 Temp Sensor

01

Damper Service Position

Copyright 1995 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231

zonekt4c

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

1

4

4

Tab

3a 5a 2a 5a

PC 101

Catalog No. 809-568

Printed in U.S.A.

Form ZONEKIT4-1SI

Pg 32

7-95

Replaces: 920415-3SI

Summary of Contents for COMFORT ZONE ZONEKIT4ZCAR

Page 1: ...r Table 21 Wiring Diagrams 22 31 Configuration Table 32 SAFETY CONSIDERATIONS Improper installation adjustment alteration service maintenance or use can cause fire electrical shock or other conditions...

Page 2: ...to COM BUS a 3 wire cable must be separate from the 5 wire cable The thermostats should be located approximately 5 ft above floor and must be located within 200 ft of Comfort Zone Center SHIELDED CABL...

Page 3: ...Level back plate and tighten screws Step 4 Install Zone Dampers IMPORTANT If conditions exist for possible condensing motor must be positioned for adequate draining See Fig 6 NOTE If a multi damper en...

Page 4: ...All zone dampers and duct work must be properly supported according to local codes or SMACNA standards RECTANGULAR METAL DUCT WORK 1 Make connections using S lock and drives See Fig 10 2 Properly seal...

Page 5: ...Installation Instructions packaged with barometric bypass Failure to properly install bypass damper can cause perma nent damage to the HVAC equipment For single speed furnace applications bypass air m...

Page 6: ...ensor on room sensors Do not locate on an outside wall or next to a return air grill 1 Separate the 2 parts of sensor and mount back plate with provided flat head screw 2 Pull a 2 wire conductor throu...

Page 7: ...HEAT 1 W1 HEAT 2 W2 FAN G RV COOL 0 OR RV HEAT B Power CHR 06 Communication Bus COMFORT ZONE I O R G W R G COMM BUS CONTROLLER COMM BUS HAM R W R W R W R W R W R W OAT LAT ZT4 ZT3 ZT2 SHIELD GROUND W...

Page 8: ...TION OF A REFERENCE ZONE IN THE SYSTEM The first step in any heating or cooling cycle requires Comfort Zone to evaluate zones determine if heating or cooling is needed and select a Reference Zone The...

Page 9: ...open The factory default is 15 The only time zone dampers will exceed this position is if system fan is off or zone dampers are being calibrated 2 The Minimum Damper Position rotary position number S...

Page 10: ...4 are shown in Table 4 Under no circumstances may the W1 and Y1 contacts on the relay pack be jumpered together This is a common practice for many heat pump installations but will cause improper opera...

Page 11: ...y may vary widely For residen tial application the need for System Mode Reselect is normally not frequent unless the building has unusual architectural features or problems with HVAC system High Low T...

Page 12: ...the value of setting Press the COOL up or down setpoint buttons to change setting number and the HEAT up or down setpoint buttons to change value Refer to Table 6 for settings and their definitions 1...

Page 13: ...L up or down setpoint buttons to change toggle number and the HEAT up or down setpoint buttons to change status of toggle See Table 11 Step 12 Wiring Diagrams Refer to Tables 7 and 8 for wiring diagra...

Page 14: ...one at different times during the day and week See Fig 18 to become familiar with various parts of the 4 zone controller SYSTEM SWITCHES System switches select desired equipment operation Heat Switch...

Page 15: ...ay whenever system is in this mode Set vacation mode setpoints Setting The Clock The clock display will normally show hour minutes AM or PM and day 1 Set minutes Press SELECT MIN HR DAY button once Pr...

Page 16: ...eature can verify that each zone damper is operating properly by manually opening and closing each zone When rotary switch dial is moved onto another position Damper Service Mode will be cleared and c...

Page 17: ...omfort Zone con troller detects and replaces faulty data contained within its memory with factory selected default values Transparent Errors Occur when Comfort Zone controller de tects a system or zon...

Page 18: ...e and set points for zone 2 via the 3 wire communication bus at 1 ad dress below controller The system reads zone 2 temperature via the remote room sensor OFF T14 Smart Sensor Attached For Zone 3 The...

Page 19: ...LEDs on the CHR06 relay pack are indicating the correct relay is closed If not check for a bad relay 2 Measure voltage across common red and any de energized relay Voltage should be 24 vac 3 Apply 24...

Page 20: ...2 Configuration Error 1 Turn selection dial to position T2 T11 T12 T18 T20 T22 and T24 2 Check and correct the configuration 3 Return selection dial to any run mode position 13 Configuration Error 1 T...

Page 21: ...ed or open 1 Check wiring and sensor 2 Replace failed sensor if necessary Valid temperature range 30 180 F 47 Bus Access Error Controller can not communicate on bus 1 Check 3 wire bus between controll...

Page 22: ...296 UNIT 24 VAC R C 2 SPEED AIR CONDITIONER 38TD Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL O RV HEAT O OR FAN COIL COMFORT ZONE CENTER G W2 E...

Page 23: ...itioner Continued A94034 E UNIT 24 VAC R 2 SPEED AIR CONDITIONER 38TD Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL O RV HEAT O OR FAN COIL COMFO...

Page 24: ...ONER Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL O RV HEAT O OR FURNACE COMFORT ZONE CENTER W2 R C C Y Y2 W W1 G NOTE Locking furnace into low...

Page 25: ...TD Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL O RV HEAT O OR FURNACE COMFORT ZONE CENTER G Y2 H R1 R R1 Relay DPST Pilot Duty 24 v coil HN61KK...

Page 26: ...one Center to W2 on the furnace control board UNIT 24 VAC R C R Y1 L 2 SPEED AIR CONDITIONER 38TD Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL O...

Page 27: ...T ZONE SYSTEM G C R Y W2 O W2 R C L B W3 E O Y1 Y Y2 A93243 UNIT 24 VAC R C 2 SPEED HEAT PUMP 38YD Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL...

Page 28: ...mp Continued UNIT 24 VAC R 2 SPEED HEAT PUMP 38YD Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y2 HEAT 1 W1 HEAT 2 W2 FAN G RV COOL O RV HEAT O OR FAN COIL COMFORT ZONE SYSTEM G C R...

Page 29: ...N position up when using Two Stage Relay Kit KGATT0101VSP Accessory Optional A93298 UNIT 24 VAC R Y W2 STANDARD SINGLE SPEED HEAT PUMP Yellow Red Blue White Brown Green Orange Black COOL 1 Y1 COOL 2 Y...

Page 30: ...OOL O RV HEAT O OR VARIABLE SPEED FURNACE COMFORT ZONE CENTER G Y1 R1 R R1 Relay DPST Pilot Duty 24 v coil HN61KK324 or Equivalent C F W2 O W Y RELAY COIL G r e e n P5 CONNECTION AT CONTROL BOARD Blac...

Page 31: ...Configure the 4 Zone controller to act as if it were controlling a single speed heat pump Turn T 6 ON Turn T 9 T 26 OFF Set S 7 to 0 Let the 38YD perform the dual fuel optimization R W2 O W2 R G C W3...

Page 32: ...Hz Operation OFF T25 Ventilation Mode OFF T26 Two Stage Heat Pump OFF T27 Dx Sensor For LAT Checking OFF T28 Cool Without Fan OFF SETTING S 1 4 Zone Controller Bus Address 04 S 2 Max Cooling Setpoint...

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