3rm/24vac installation instructions, 3installation, Mount on din rail – TREND 3RM_24VAC User Manual
Page 2: Specify operating mode, Ab c, Set auto/on/off links to auto, Switch off iq, Continued)
3RM/24VAC
Installation Instructions
3RM/24VAC Three Relay Module (24 Vac/dc) Installation Instructions TG200647 Issue1/C 02/04/07
2
O F F
A U T O
O N
A U T O
O N
O F F
3
INSTALLATION
(continued)
Mount on DIN rail
3
Specify Operating Mode
4
a
b
c
IN 0V 24V
AUTO ON OFF AUTO ON OFF
H
T
J2
J1
FAN/
L
O
W
COO
L
/M
ID
RL1
RL2
NO
NC
C
NO
NC
C
HEAT
/HIGH
RL3
NO
NC
C
AUTO ON OFF
J3
Set AUTO/ON/OFF links to
AUTO
5
H
T
H
T
Fan/Heat/Cool
HCM
3 Stage Sequence
(or binary switching)
TRM
IN 0V 24V
AUTO ON OFF AUTO ON OFF
H
T
J2
J1
FAN/
L
O
W
COO
L
/M
ID
RL1
RL2
NO
NC
C
NO
NC
C
HEAT
/HIGH
RL3
NO
NC
C
AUTO ON OFF
J3
A U T O O N
O F F
FAN/LOW
HEAT/HIGH
Note that each link may be
replaced by a three position
(SPDT) switch which will
normally be centre off; this would
be wired as adjacent diagram
(see note step 15).
Switch off IQ
6
1
2
3
4
5
6
7
8
9
1 0
A
B
C
D
D P
T X
R X
O K
L A N
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
V
2 4 V
1 6
1 7
1 8
1 9
2 0
O
I
IQ
Ensure IQ Output channel
is Analogue set to Voltage
V
7
24 V
0 V
OUT
IQ
IQ Controller
Installation Instructions
V
COOL/MID