Trane R Series Diagnostic Troubleshooting Repair page 77

MANUF .
USE ONLY
LOW PRESSURE SIG.— J3-7
L LOCKOUT INPUT — J3-6
O
W
V COMPLETE INPUT — J3-3
0
L
T
A
G
E CONDENSER TEMP — J4-4
I
N
P
U
T
COMPRESSOR PhA — J5-6
O
U
T
P
U
T
FAN VARIABLE
FREQUENCY DRIVE
Figure 22 Compressor Module (MCSP) (1U4 and 1U5)
RLC-SVD03A-EN
Module Power and Miscellaneous I/O
° TP1 +5V
° TP2 +12V
IPC (+) — J1-4
IPC (-) — J1-3
IPC (+) — J1-2
IPC (-) — J1-1
NO CONN. — J2-2
NO CONN. — J2-1
KEY (N/C) — J3-5
TRANSITION — J3-4
NOT USED — J3-2
J3-1
SATURATED — J4-5
ENTERING — J4-3
OIL KEY — J4-2
TEMPERATURE — J4-1
PhA — J5-7
PHASE PhA — J5-5
CURRENTS PhB —
J5-4
KEY (N/C) — J5-3
PhC — J5-2
PhC — J5-1
C — J9-6
CR — J9-5
F — J9-4
FR — J9-3
NOT USED — J9-2
NOT USED — J9-1
J6-1 — 115VAC HOT
J6-2 — 115VAC HOT
J6-3 — KEY (N/C)
J6-4 — NEUTRAL
J6-5 — NEUTRAL
E3 — COMPRESSOR MOTOR
E4 — WINDING THERMOST.
E5 — HIGH PRESS SWITCH
E6 — CRANKCASE HEATER
J7-1 — 115VAC HOT
J7-2 — KEY (N/C)
J7-3 — COMPRESSOR CONTCR
J7-4 — KEY (N/C)
J7-5 — COMPRESSOR
J7-6 — TRANSITION OUTPUT
J7-7 — KEY (N/C)
J7-8 — STEP LOAD
J7-9 — SOLENOID VALVE
E7 — SLIDE VALVE LOAD
E8 — SLIDE VALVE UNLOAD
J8-1 — 115VAC (FANS)
J8-2 — KEY (N/C)
J8-3 — FAN RELAY 1
J8-4 — FAN RELAY 2
J8-5 — FAN RELAY 3
J8-6 — FAN RELAY 4
H
I
G
H
V
0
L
T
A
G
E
I
N
P
U
T
O
U
T
P
U
T
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