Carrier Performance 50VT-A24 Installation Instructions Manual page 41

DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING
NOTES:
1. IF ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED,
THEY MUST BE REPLACED WITH THE SAME WIRE OR ITS EQUIVALENT.
2. SEE PRICE PAGES FOR THERMOSTATS.
3. USE 75 DEG. COPPER CONDUCTORS FOR FIELD INSTALLATION.
4. SEE INSTALLATION INSTRUCTIONS
FOR PROPER HEATING AND COOLING CONNECTIONS
FOR YOUR UNIT. INDOOR FAN MOTOR PLUGS
- "DO NOT DISCONNECT UNDER LOAD"
5. THIS FUSE IS MANUFACTURED BY LITTELFUSE, P/N 257003.
6. REMOVE YELLOW SPLICE WHEN ECONOMIZER AND ECONOMIZER
RELAYS ARE USED AND CONNECT TO RELAY R1 AS SHOWN.
7. WHEN ECONOMIZER AND ECONOMIZER RELAYS ARE USED,
CONNECT THE YELLOW AND BLACK WIRES TO RELAY "R" AS
SHOWN. RELAY KIT REQURED WITH ECONOMIZER AND HEAT
PUMP/DUAL FUEL UNITS.
8. WHEN ECONOMIZER AND ECONOMIZER RELAYS ARE USED, INSTALL
WIRES AS SHOWN ONTO THE COILS OF RELAY R AND RELAY R1.
9.DEHUM FEATURE CANNOT BE USED WHEN ECONOMIZER IS INSTALLED.
UNIT FACTORY-SHIPPED
IN STD MODE.
LEGEND
FIELD SPLICE DH DEHUMIDIFICATION MODE
DEHUM DEHUMIDIFICATION MODE
TERMINAL (MARKED)
DR DEFROST RELAY
TERMINAL (UNMARKED)
ECON ECONOMIZER
SPLICE (IF REQ'D)
EQUIP EQUIPMENT
SPLICE (MARKED)
FU FUSE
FACTORY WIRING
GND GROUND
FIELD CONTROL WIRING
HPS HIGH PRESSURE SWITCH
FIELD POWER WIRING
HR HEATER RELAY
ACCESSORY OR OPTIONAL
WIRING IFB INDOOR FAN BOARD
IFM INDOOR FAN MOTOR
LPS LOW PRESSURE SWITCH
AT AUTO TRANSFORMER
OFM OUTDOOR FAN MOTOR
460V - 230V
OFR OUTDOOR FAN RELAY
C CONTACTOR
RVS REVERSING VALVE
CAP 1 CAPACITOR, COMP
TRAN TRANSFORMER
CCH CRANK CASE HEATER
T-STAT THERMOSTAT
COMP COMPRESSOR MOTOR
R ECON RELAY
DB DEFROST BOARD
R1 ECON RELAY
DFT DEFROST TEMPERATURE
STD STANDARD MODE
SWITCH
ECONOMIZER PLUG
ECON
7
7
P BLU
SAT
6
6
P BLU
11
11
10
10
8
8
GRY
2
2
YEL
3
3
RED
4
4
BRN
1
1
5
5 ACCESSORY ELECTRIC HEAT
BLK
9
9
1
12
12
WHT
1
VIO
1
PNK PNK
1
GRY GRY
1
BRN
BRN
YEL
SEE NOTE 7
UNIT COMPONENT ARRANGEMENT
OUTDOOR FAN
OFM
SECTION
CONTROL BOX AREA
COMPRESSOR INDOOR FAN
SECTION SECTION
SINGLE PT.
CONNECTION
FOR
ELEC. HEAT
LPS
CAP
HPS
HC F
COMP
C
S
CCH
R 24V SPLICE
DB
BOX
CONNECTION WIRING DIAGRAM
IF USED
L1
FIELD
BLK
L3
SUPPLY
YEL
L2
BLU
EQUIP_GND
FOR WIRING WITH
ELECTRIC HEATERS
SEE SCHEMATIC ON
HEATER ACCESSORY.
HR1 (5 KW)
BRN
WHT HR1
BRN
HR1-4 (20 KW)
BRN
VIO
HR4
HR2 BRN
HR1 & 2 (10 KW) BRN
HR3
HR1-3 (15 KW)
SEE NOTE 6
R
R1
2
3
1
1
BLK
YEL
3
2
BLK YEL
COOLING FAN LOGIC
0 T T+90
G G
ENERGIZED DE-ENERGIZED
HEATING FAN LOGIC
0
T
45 T+45
DIP SWITCH
W
W BR BR
ENERGIZED DE-ENERGIZED
SETTINGS
23 23
30
60
C
MINUTES MINUTES
21 11
11 22 33
TRAN
OR OR
IFB
DEFAULT
DISCONNECT
PER NEC
FIELD SELECTABLE OPTIONS FOR TIME PERIOD
BETWEEN DEFROST CYCLES (MINUTES)
24V POWER
ENTRY
Fig. 46 - - Connection Wiring Diagram 230- -3
CCH
BLK
GRN
BLK
BLK
BLK OF1
C
11 21 BLK
1
YEL
13 23
1
YEL
BLK
YEL
COM 230
PRIMARY
208/230V
SECONDARY
24 V
C 24V
BRN
G/Y
T-STAT
Y2 GRY
R
RED
C BRN
Y1 YEL
G GRN
DH BLU
W WHT
V VIO
O
ORN
BRN
YEL
WHT
RED
BRN
WHT
VIO
PNK
GRY
DEFROST BOARD (DB)
CTD
DR
OF1
P2
OF2
0
90
R
120 60
30
W2
P3
P1
Y
C
SPEED
UP
90 120
ON
MINUTES MINUTES
1) MOMENTARILY SHORT PINS AND RELEASE TO BYPASS
1 2 3 1 2 3 1 2 3
2) SHORT FOR 5+ SEC. AND RELEASE FOR FORCED
QUIET
OR
SHIFT
3) PERMANENT SHORT WILL BE IGNORED.
DEFROST WILL TERMINATE IN 30 SEC. IF DFT OPEN.
OFF
(DEFAULT)
DEFROST WILL TERMINATE NORMALLY IF DFT IS
CLOSED.
THE COMPRESSOR WILL SHUT OFF FOR 30 SEC. ON
DEFROST INITIATION AND TERMINATION IN THE
"QUIET SHIFT" ON POSITION
41
SCHEMATIC
208/230-3-60
OFM
DR
OF2 BLK BLK BLK
YEL YEL
CAP1
BRN BRN
F
C
BLK T1
YEL T2
BLU T3
COMPRESSOR PLUG
COMP
BLK
N
IFM
G/Y G
L
C
TRAN
BRN
RED
BRN
RED
SEE NOTE 5
3A 24VAC
R
P1
FUSE C
1
R
COM
2
C
Y1/Y 3
COM
G 4
Y2/DH 5
W2 6
COM
W3 7
LOW
STD
P2
BLK
1
C
DEHUM
Y 2
W2 3
R 4 HIGH
IFB
Y
C2
C1 R
P4
1
C
W2 2
C1 C2
R1
W2 3
4
W3
W3 5
SEE NOTE 8
SEE NOTE 9
C1 C2
T2 BLU C
C
C BRN
RVS
O BLK BRN
DFT
DFT PNK
R PNK
HPS LPS
T1 BLU BLK BLK BLU
BLU
Y
JUMPERED TEST PINS (USE METAL OBJECT)
FIELD SPEED-UP CYCLE
COMPRESSOR OFF DELAY.
DEFROST.
COLOR CODE
BLK BLACK
BLU BLUE
BRN BROWN
GRY GRAY
GRN GREEN
ORN ORANGE
PNK PINK
RED RED
VIO VIOLET
WHT WHITE
YEL YELLOW
1 2435
BLU
BLK
PNK ORN
RED
SEE
NOTE 4
BRN
BLU
A10200