Figure 22 compressor module (mcsp) (1u4 and 1u5), Module power and miscellaneous i/o – Trane RTWA 70-125 TON User Manual
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Module Power and Miscellaneous I/O
° TP1 +5V
° TP2 +12V
J6-1
— 115VAC HOT
J6-2
— 115VAC HOT
J6-3
— KEY (N/C)
J6-4
— NEUTRAL
IPC (+) — J1-4
J6-5
— NEUTRAL
IPC (-) — J1-3
IPC (+) — J1-2
E3
— COMPRESSOR MOTOR
IPC (-) — J1-1
E4
— WINDING THERMOST.
MANUF.
NO CONN. — J2-2
E5
— HIGH PRESS SWITCH
USE ONLY
NO CONN. — J2-1
E6
— CRANKCASE HEATER
LOW PRESSURE SIG.— J3-7
L
LOCKOUT INPUT — J3-6
J7-1
— 115VAC HOT
H
O
KEY (N/C) — J3-5
J7-2
— KEY (N/C)
I
W
J7-3
— COMPRESSOR CONTCR
G
TRANSITION — J3-4
J7-4
— KEY (N/C)
H
V
COMPLETE INPUT — J3-3
0
J7-5
— COMPRESSOR
V
L
NOT USED — J3-2
J7-6
— TRANSITION OUTPUT
0
T
J3-1
J7-7
— KEY (N/C)
L
A
T
G
SATURATED — J4-5
J7-8
— STEP LOAD
A
E
CONDENSER TEMP — J4-4
J7-9
— SOLENOID VALVE
G
E
I
ENTERING — J4-3
E7
— SLIDE VALVE LOAD
N
OIL KEY — J4-2
I
P
TEMPERATURE — J4-1
E8
— SLIDE VALVE UNLOAD
N
U
P
T
PhA — J5-7
J8-1
— 115VAC (FANS)
U
COMPRESSOR PhA — J5-6
J8-2
— KEY (N/C)
T
O
PHASE PhA —
CURRENTS PhB —
J5-5
J8-3
— FAN RELAY 1
U
J5-4
J8-4
— FAN RELAY 2
O
T
KEY (N/C) — J5-3
J8-5
— FAN RELAY 3
U
P
PhC — J5-2
J8-6
— FAN RELAY 4
T
U
PhC — J5-1
P
T
U
C — J9-6
T
CR — J9-5
FAN VARIABLE
FREQUENCY DRIVE
F — J9-4
FR — J9-3
NOT USED — J9-2
NOT USED — J9-1
Figure 22
Compressor Module (MCSP) (1U4 and 1U5)