Carrier AirStream 42WKN08-36 Installation, Operation And Maintenance Instructions page 25

230V LINE WIRING: USE COMPONENT LEADS OR 14 AWG BLACK UNLESS NOTED
24V CONTROL WIRING: USE COMPONENT LEADS OR 18 AWG WHITE
14 AWG BLACK
F1
201 2.0A
F1
202 2.0A
12 AWG BLACK
HT1
250
2
14 AWG BLK
HT2
2
201
202
VANE MOTOR
208V
24V
20
REMOVE LINK FOR
REMOTE SHUT DOWN.
UNIT ENABLED WHEN
JUMPERED
HW COIL
22
FREEZE STAT
(202) (M2)
COM NC
(OPTIONAL)
C
VALVE
(24V N/C)
WARNING
1) DISCONNECT POWER SUPPLY BEFORE MAKING
CONNECTIONS TO PREVENT ELECTRICAL SHOCK AND
EQUIPMENT DAMAGE. 2) ALL UNITS MUST BE WIRED
STRICTLY IN ACCORDANCE WITH WIRING DIAGRAM
FURNISHED WITH THE UNIT. ANY WIRING DIFFERENT
FROM THE WIRING DIAGRAM COULD RESULT IN A
HAZARD TO PERSONS AND PROPERTY. 3) ANY ORIGINAL
FACTORY WIRING THAT REQUIRES REPLACEMENT
MUST BE REPLACED WITH WIRING MATERIAL HAVING A
TEMPERATURE RATING OF AT LEAST 105°C.
Fig. 19 — 42WKN Unit 2-Pipe Cooling Only with Electric Heat, Microprocessor
L3
L4
F2
L3 L4
20A
1.5KW ELECTRIC
HT1
HEATER
251 253
4 6 8
14AWG HI TEMP
14 AWG BLK
1.5KW ELECTRIC
HT2
HEATER
252 254
4 6 8
201
PLUG & SOCKET
CONNECTION
(BLUE)
VM
(BROWN) 201
FAN THERMAL 1
SWITCH
(YEL) (YEL)
COM NC
CONDENSATE
FLOAT SWITCH
(RED) (BLK)
24
COM NC
ALARM RELAY
AL
A1 A2
CLR-1
CW
12
14 11
IMPORTANT
INSTALLATION OF WIRING MUST CONFORM
WITH LOCAL BUILDING CODES OR IN THE
ABSENSE OF LOCAL CODES, OF THE
NATIONAL ELECTRICAL CODE ANSI/NFPA 70
- LATEST EDITION. UNIT MUST BE
ELECTRICALLY GROUNDED IN
CONFORMANCE TO THIS CODE. IN CANADA,
WIRING MUST COMPLY WITH CSA C22.1,
PART 1, ELECTRICAL CODE.
Control Wiring Diagram, 208v, Sizes 18 and 20
12 AWG BLACK
12 AWG BLACK
F2
12 AWG BLACK
20A
MANUAL RESET AUTO RESET
OHCO OHCO
257
255 259
COM NC COM NC
14 AWG HI TEMP
MANUAL RESET AUTO RESET
OHCO OHCO
258
256
COM NC COM NC
H
(BLUE)
M
FAN
(BRN)
L
C1
J5
J11
201
J12
FUSE
~
202 10 A
J10
Aux
J9
Aux 1
202
J15
COOL RELAY
Compressor
(1A)
201 65
CLR
J13
A1 A2
(230V)
RETURN AIR
TEMP SENSOR
T
0
AL-1
11 14
WIRING LEGEND
FACTORY INSTALLED
FIELD INSTALLED
TERMINAL BLOCK
COMPONENT TERMINAL
CONNECTED PATH
OPTIONAL COMPONENT
PLUG AND SOCKET
25
(OPTIONAL)
DISCONNECT
SWITCH
L1
L2
12 AWG GRN
GND
TO COIL
GROUND
201 (BLUE)
(BLUE)
W
55
FAN (3A)
Power
Supply
Microcontroller
T4 17 7 6 4 3 2
8/14 5/16 1/15
17 16 15
(OPTIONAL)
FAN MOTOR WIRE COLORS
SIZE 18
FILTER
STD (A) MERV (B)
VOLTAGE A/C/H B/J K A/C/H B/J/K
H H
BLACK
WHITE H M H M
RED H M L M L
GREY M L L
ORANGE L
CHILLED WATER 2 POSITION
MEDIUM CASSETTE
MICROPROCESSOR CONTROLS
WITH ELECTRIC HEAT
1
WIRING DIAGRAM
5H104890-1212
NOTE: ALL FUSES ARE
CLASS CC TIME DELAY
600VAC. SEE SPECIFIC
FUSE FOR AMP VALUE.
208-230V / 1PH / 50-60HZ
INCOMING POWER
AND GROUND
BY OTHERS
CONDENSATE
PUMP
CPM
HEAT RELAY 1
201
HT1
0 1
(230V)
HEAT RELAY 2
201
HT2
0 1
(230V)
20
STD (A) MERV (B)
A/C/H B/J/K A/B/C/H/J/K
H H
H M M
M L L
L
REV
R