Carrier AirStream 42WKN08-36 Installation, Operation And Maintenance Instructions page 11

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
230V
24V
20
REMOVE LINK FOR
REMOTE SHUT DOWN.
UNIT ENABLED WHEN
JUMPERED
22 HW COIL
FREEZE STAT
(202) (M2)
COM NC
(OPTIONAL)
C
CW
VALVE
(24V N/C)
HW
VALVE
(24V N/O)
(OPTIONAL)
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. 5 — 42WKN Unit 2-Pipe Cooling Only or 4-Pipe System with Microprocessor
STEP UP
TRANSFORMER
(100VA)
(X1)
L3
(X3)
(X2)
(X4)
L4
(230V)
(INTERNAL)
201 (BLUE)
COOL RELAY
201
CLR
A1
(230V)
FAN THERMAL 1
SWITCH
(YEL) (YEL)
COM NC
CONDENSATE
FLOAT SWITCH
(RED) (BLK)
24
COM NC
ALARM RELAY
AL
A1 A2
CLR-1
12
14 11
HTR-1
13
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, 115v, Sizes 08 and 12
11
(OPTIONAL)
DISCONNECT
SWITCH
F3
LP LF
(H1)
2.5A
(H2)
NP
(H4)
(115/110V)
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
T4 17
0 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
110-115V / 1PH / 50-60HZ
INCOMING POWER
N1
AND GROUND
BY OTHERS
GND
CONDENSATE
PUMP
201 (BLUE)
CPM
(BLUE)
W
HEAT RELAY
63
HTR
A2
(230V)
(OPTIONAL)
Power
Supply
4 3 2
5/16 1/15
FAN MOTOR WIRE COLORS
8 12
STD (A) MERV (B) STD (A) MERV (B)
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
WITH OPTIONAL HOT WATER
1
WIRING DIAGRAM
5H104889-1201
201
A1
H
M
L
REV
R