Carrier AirStream 42WKN08-36 Installation, Operation And Maintenance Instructions page 18

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 1.25A
F1
202 1.25A
201
202
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. 12 — 42WKN Unit 2-Pipe Heating/Cooling Changeover with Microprocessor
L3
L4
(INTERNAL)
201 (BLUE)
VALVE RELAY
201
WTR
A1
(230V)
INLET
FAN THERMAL 1
PIPING
SWITCH
TEMP
(YEL) (YEL)
SENSOR
COM NC
(Changeover)
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 08 and 12
18
(OPTIONAL)
DISCONNECT
SWITCH
14 AWG GRN
TO COIL
GROUND
H
M
FAN
L
J5
J11
201
J12
FUSE
FAN (3A)
~
202 10 A
J10
Aux
J9
Aux 1
J15
Compressor
(1A)
65
J13
A2
RETURN AIR
TEMP SENSOR
T
Microcontroller
T
T
WATER COIL
TEMP SENSOR
0 T4 17 7 6
8/14
AL-1
17 16 15
11 14
(OPTIONAL)
SIZE
FILTER
VOLTAGE
BLACK
ORANGE
GREY
RED
WHITE
WIRING LEGEND
FACTORY INSTALLED
FIELD INSTALLED
TERMINAL BLOCK
COMPONENT TERMINAL
CONNECTED PATH
OPTIONAL COMPONENT
PLUG AND SOCKET
NOTE: ALL FUSES ARE
CLASS CC TIME DELAY
600VAC. SEE SPECIFIC
FUSE FOR AMP VALUE.
L1
208-230V / 1PH / 50-60HZ
INCOMING POWER
L2
AND GROUND
BY OTHERS
GND
CONDENSATE
PUMP
201 (BLUE)
CPM
(BLUE)
W
Power
Supply
4 3 2
5/16 1/15
FAN MOTOR WIRE COLORS
8 12
STD (A) MERV (B) STD (A)
A/C/H B/J K A/B/C/H/J/K A/C/H B/J/K A/B/C/H/J/K
H H H H H H
M M M M M M
L L L L L L
CHILLED WATER 2 POSITION
SMALL CASSETTE
MICROPROCESSOR CONTROLS
CHANGEOVER
1
WIRING DIAGRAM
5H104889-1222
MERV (B)
H
M
L
REV
R