Trane R Series

RLC-SVD03A-EN 69
Module Power and Miscellaneous I/O
SEO Valve Module
° TP1 +5V 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
IPC (-) — J1-1
MANUF. NO CONN. — J2-2
USE ONLY NO CONN. — J2-1
L H
0
LOW PRESSURE SIG.— J7-5
I
W
SWITCH CIRCUIT 1 GND — J7-4
G
KEY — J7-3
H
V
LOW PRESSURE SIG. — J7-2
0
SWITCH CIRCUIT 2 GND — J7-1
V
L 0
T
SATURATED EVAPORATOR — J3-9
L
A
TEMPERATURE CIRCUIT 1 — J3-8
T
T A
A
COMPRESSOR SUCTION — J3-7
G
G
TEMPERATURE CIRCUIT 1 — J3-6
E
E
N/C KEYING — J3-5
SATURATED EVAPORATOR — J3-4
I
I
TEMPERATURE CIRCUIT 2 — J3-3
N
N P
P
COMPRESSOR SUCTION — J3-2
U
U
TEMPERATURE CIRCUIT 2 — J3-1
T
T S
S
ELECTRONIC
EXPANSION
VALVE
CIRCUIT 1
GND — J4-5
.
KEY (N/C) — J4-4
O
PHASE 1 — J4-3
J4-2
U
PHASE 2 —
T
PHASE 3 — J4-1
P
U
ELECTRONIC
EXPANSION
VALVE
CIRCUIT 2
GND — J5-6 24 VDC Peak only
when the Phase is
being stepped.
T
KEY (N/C) — J5-5
S
PHASE 1 — J5-4
KEY (N/C) — J5-3
PHASE 2 — J5-2
PHASE 3 — J5-1
Figure 20 SEO Electronic Expansion Valve Module (1U3)
off
on
SW-1