Carrier Air 5 Manual

T-- 298 3-17 3.11.2 Timeguard Timer
A 3-- minute timeguard is built into the thermostat
immediately upon power up, and any time the
compressor (output “Y”) turns off. The compressor will
not turn on until the timeguard has expired. Pressing UP
and FAN buttons simultaneously will override the
timeguard for 1cycle.
3.11.3 Cycle Timer
In normal cooling (and heating) operation the
thermostat will notallow more than4 equipment cycles
per hour (or 1 cycle every 15 minutes). Both the “Y”
(cooling) and “W”...

T-- 2983-18 POWERBOX
ASSEMBLY
UPPER UNIT
1234 21
12 34
1
2
3
4
5
1
2 L
N2
N1
W
Y
GH
GL
C
TBY
GH
GL
R
C
COOL (Compressor)
FAN (High)
FAN (Low)
12VDC LowVoltage
Power Supply
CEILING UNITFURNACE + 12VDC12 VDC (Gnd)
Motor Comp.
115V AC High Voltage
Power Supply
Factory WiringField Wiring
THERMOSTAT
J
Blue
Blue
Figure 3-41 Wall Thermostat Wiring Diagram -- Heat/Cool Model 

T-- 298 4-1
SECTION 4
WIRING SCHEMATICS
4.1 INTRODUCTION
This Section contains wiring schematics for the AirV units.
Figure 4-- 1 is the schematic for the standard upper unit assembly and it is applicable to all standard units.
Figure 4-- 2 is the schematic for the Low Profile upper unit assembly.
Figure 4-- 3 is the schematic for a free blow ceiling unit without heat while Figure 4-- 4 is a free blow unit with heat.
Figure 4-- 5 is for a ducted unit with microprocessor control.
Figure 4-- 6 is for an...

T-- 2984-2
2P
GRN/YELORNWHT
WHT
ASM
PLUG CONNECTS TO UPPER UNIT.
SEE DIAGRAM SUPPLIED WITH
UPPER UNIT FOR ADDITIONAL WIRING.
4P
2P
1 1
2
3
4
2
{
ASWO (OFF)
I(ON)2
2--1 SWITCH
POSITIONCONTACTS MADE
HIGH FAN
LOW FAN
OFF
LOW COOL1--4 . 1--6
1--2 . 1--6
NONE
1--2 . 1--6 . 1--8
1--4 . 1--6 . 1--8
HIGH COOL
ASM : AIR SWEEP MOTOR
ASW : AIR SWEEP SWITCH
SW : SWITCH
IT : INDOOR THERMOSTAT
LEGEND
ORNBLU BLK
ORN
SWIT
ASW
21
CL
8
6 12
4
YEL BLK
WHT
YEL
12
GRN/YEL11 5 VA C
SUPPLY
WIRE
Figure 4--3 Ceiling Unit...

T-- 298 4-3
CONTROL
BOXEVAP.
RVC 2P 4P
2P2P4P
CF
H BLK
BLU BLK
BLU
WHT WHT BRN
BLK BLK
BLK(BLU) GRN/YEL GRN/YELGRN/YEL
WHT
WHT WHT
BRN BRN
1
(3)2
CAPACITOR
YEL REDRED OLP
(IF USED)
BLUBLU RED
PTC
COMPRESSOR
R
C
S
FREEZE
SWITCHFA N M O TO R
1
2
3
4
1
2
1
21
2
3
41
2
3
4
1
21
2
OLP: OVERLOAD PROTECTION
PTC: START THERMISTER
RVC: REVERSING VALVE COIL
PLUG CONNECTS TO CEILING UNIT.
SEE DIAGRAM SUPPLIED WITH
CEILING UNIT FOR ADDITIONAL
WIRING.
Figure 4--6 Heat Pump -- Upper Unit -- Free Blow
PLUG CONNECTS TO...

T-- 2984-4
LEGEND
RVCPLUG CONNECTS TO CEILING UNIT.
SEE DIAGRAM SUPPLIED WITH
CEILING UNIT FOR ADDITIONAL
WIRING.
CN
CN
CF
H
OLP :OVERLOAD PROTECTORPTC :START THERMISTOR
RVC :REVERSING VALVE COILCN :HOUSING CONNECTOR
ODA Th :OUTDOOR AIR THERMISTOR
ODC Th :OUTDOOR COIL THERMISTORBLK BLK
BLK(BLU)
CONTROL
BOXEVAP.
BLU
RED
RED BRN
BLU
WHT GRN/YELGRN/YEL
WHT WHT BLK
BRN
BRN
1
(3)2
CAPACITOR
YEL YEL
RED OLP
(IF USED)
BLUBLU RED
PTC
COMPRESSOR
R
C
S
FAN MOTOR
ODC Th
ODA Th 1
2
3
1
2
3
4
1
2
1
21
2
3
5
6
Figure...

T-- 298 4-5
Figure 4--10 Ceiling Unit -- Wall Thermostat -- Ducted & Free Blow
4.2 WALL MOUNTED THERMOSTATS
For proper wiring of Wall Mounted Thermostats as an accessory, refer to Figure 3-40 (Wall Thermostat Wiring
Diagram -- Cool Only Model) or Figure 3-41 (Wall Thermostat Wiring Diagram -- Heat/Cool Model). 

Index -1T-- 298
INDEX
A
Air Handling System , 3-8
Air Sweep Removal, 3-3
Air Sweep Switch , 3-2
C
Capacitor Testing, 3-9
Capacitor Testing and Replacement, 3-9
Ceiling Grill -- Ducted, 3-4
Ceiling Grill -- Free Blow, 3-1
Ceiling Panel -- Free Blow, 3-2
CEILING UNIT -- DUCTED SYSTEMS, 3-4
CEILING UNIT -- FREE BLOW , 3-1
Cleaning, 3-1
Compressor , 3-6, 3-13
Condenser Fan, 3-7
Control Box -- Ducted, 3-4
Control Box -- Upper Unit, 3-6
Controls, 3-1
Cool Only Thermostat, 3-15
D
Design Change, 1-1
E
Evaporator...

©2006 Carrier CorporationDPrinted in U. S. A. 0606
Carrier Transport Air Conditioning
50 Grumbacher Road
York PA 17402 USA
Tel: 1 --800 --673 --2431
Fax: 1 --717 --764 --0401
A member of the United Technologies Corporation family. Stock symbol UTX
Carrier Transicold Division,
Carrier Corporation
Transport Air Conditioning Group
P.O. Box 4805
Syracuse, N.Y. 13221 U.S A
www.carrier.transicold.com