Carrier AirStream 42WKN08-36 Installation, Operation And Maintenance Instructions page 38

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 3.5A
F1
202 3.5A
201
202
VANE MOTOR
208V
24V
20
REMOVE LINK FOR
REMOTE SHUT DOWN.
UNIT ENABLED WHEN
JUMPERED
22 HW COIL
FREEZE STAT
(202) (M2)
COM NC
(OPTIONAL)
C
WATER
VALVE
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. 32 — 42WKN Unit 2-Pipe Heating/Cooling Changeover with Microprocessor
L3
L4
201 (BLUE)
(BRN)
C1
201
(BLUE)
(BRN)
C2
PLUG & SOCKET
CONNECTION
(BLUE)
VM
(BROWN) 201
FAN 1 THERMAL
SWITCH
(YEL) (YEL)
COM NC
FAN 2 THERMAL
SWITCH
(YEL) (YEL)
NC COM
CONDENSATE
FLOAT SWITCH
(RED) (BLK)
24
COM NC
ALARM RELAY
AL
A1 A2
WTR-1
12
12 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 33 and 36
14 AWG GRN
TO COIL
GROUND
H
M
FAN1
L
H
M
FAN2
L
J5
J11
201
J12
FUSE
~
202 10 A
J10
Aux
J9
Aux 1
202
J15
VALVE RELAY
Compressor
(1A)
201 65
WTR
J13
A1 A2
(230V)
RETURN AIR
TEMP SENSOR
T
INLET
PIPING
T
TEMP
SENSOR
(Changeover)
T
WATER COIL
TEMP SENSOR
0 T4
AL-1
11 14
WIRING LEGEND
FACTORY INSTALLED
FIELD INSTALLED
TERMINAL BLOCK
COMPONENT TERMINAL
CONNECTED PATH
OPTIONAL COMPONENT
PLUG AND SOCKET
38
NOTE: ALL FUSES ARE
(OPTIONAL)
CLASS CC TIME DELAY
DISCONNECT
600VAC. SEE SPECIFIC
SWITCH
FUSE FOR AMP VALUE.
L1
208-230V / 1PH / 50-60HZ
INCOMING POWER
L2
AND GROUND
BY OTHERS
GND
CONDENSATE
PUMP
201 (BLUE)
(BLUE)
W
L M H
FAN (3A)
Power
Supply
Microcontroller
17 7 6 4 3 2
8/14 5/16 1/15
17 16 15
(OPTIONAL)
FAN MOTOR WIRE COLORS
SIZE 33
FILTER STD (A) MERV (B)
VOLTAGE A/C/H B/J K A/C/H B/J/K A/C/H B/J/K
BLACK H H
WHITE H M H M
RED H M L M L
GREY M L L
ORANGE L
CHILLED WATER 2 POSITION
LARGE CASSETTE
MICROPROCESSOR CONTROLS
CHANGEOVER
1
WIRING DIAGRAM
5H104891-1222
CPM
36
STD (A) MERV (B)
A/B/C/H/J/K
H H
H M M
M L L
L
REV
R