Module power and miscellaneous i/o – Trane RTWA 70-125 TON User Manual
Page 69
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