Carrier AirStream 42WKN08-36 Installation, Operation And Maintenance Instructions page 50

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
14 AWG BLACK
L1
101
L2
FAN-1
102
L1
101
11 14
FAN-2
L2
102
21 24
230V
24V
20
REMOVE LINK FOR
REMOTE SHUT DOWN.
UNIT ENABLED WHEN
JUMPERED
24
C
OPTIONAL HW COIL
FREEZE STAT
(L2) (M2)
COM NC
(OPTIONAL)
FAN RELAY
FAN
A1 A2
VALVE RELAY
FAN-3
12 13
VR
34 31 A1 A2 24
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
Fig. 50 — 42WKN Unit 2-Pipe System with Heating/Cooling Changeover, Aquastat, and Electro-Mechanical
L1
L2
AL-1
L1
(BLUE)
12
RP-1
235 11
11 14 14
AL-3
L2
32 (BLUE)
RP-4
236
31
41 44 34
101
H H
H H
M M
FAN1 FAN1
M M
L L
L L
FAN1 THERMAL
SWITCH
(YEL) (YEL)
COM NC
VR-1
WATER
15
12
VALVE
(24V N/O
BLK
AL-2 WHT
14
21
BLU
OPTIONAL CHANGEOVER
THERMOSTAT, PIPE MOUNTED,
ACTION ON TEMP RISE
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, Sizes 08 and 12
14 AWG BLACK
FUSE
1.25A L3
FUSE
1.25A L4
14 AWG GRN
TO COIL
GROUND
CONDENSATE
CPM
PUMP
SIZE
FILTER
VOLTAGE
BLACK
ORANGE
GREY
RED
WHITE
102 102
CONDENSATE
FLOAT SWITCH
R
(RED) (BLK)
COM NC A2
C
A2
PUMP
RP
R
RELAY
11
Y
A1
WIRING LEGEND
FACTORY INSTALLED
FIELD INSTALLED
TERMINAL BLOCK
COMPONENT TERMINAL
CONNECTED PATH
OPTIONAL COMPONENT
PLUG AND SOCKET
50
(OPTIONAL)
DISCONNECT
SWITCH
208-230V / 1PH / 50-60HZ
INCOMING POWER
AND GROUND
BY OTHERS
GND
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 H
M M M M M M M
L L L L L L L
ALARM RELAY
AL C
COMMON
A1
24V TO
R
THERMOSTAT
G FAN SIGNAL
HEATING
W
SIGNAL
COOLING
Y
SIGNAL
CHILLED WATER 2 POSITION
SMALL CASSETTE
ELECTRO-MECHANICAL CONTROLS
CHANGEOVER
1
WIRING DIAGRAM
5H104889-1123
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