Connect module to hvac equipment, Close panel, Switch on iq – TREND 2SRM (24 Vac_dc) User Manual
Page 3: Continued), 14 to 20 awg) supply c no nc, 2srm, Iq hvac equipment 1
2SRM (24 Vac/dc) Installation Instructions TG103210 Issue 2 07/07/08
3
Installation Instructions
2SRM (24 Vac/dc)
3
Installation
(continued)
Ensure HVAC Equipment Power
Supplies are Switched off
8
O
I
O
I
2SRM
HVAC
Equipment
2
Supply
WARNING: The wires may be connected
to hazardous voltages.
Disconnect power before
attempting any wiring.
Arc suppression
recommended
Relay Output Arc
Suppression Installation
Instructions TG200208
Terminal size 0.5 to 2.5 mm
2
(14 to 20 AWG)
Supply
C
NO
NC
Connect module to HVAC
equipment
9
0V
24
V
AUTO ON OFF AUTO ON OFF
J1
J2
LO
W
/LO
W
E
R
HIGH/RAISE
NC NO C NC NO C
IN
2
IN
1
RL1
RL2
2SRM
C
NO
NC
C
NO
NC
Supply
C
NO
NC
Supply
Channel 2
OUT
Channel 1
OUT
Channel 2
OUT
Channel 1
OUT
HVAC
Equip-
ment
2
Contacts rated 5 A max. at 240 Vac single
phase only (Cosø>=0.4), and 30 Vdc (resistive
load). 2 A for 24 Vdc (inductive load,
T<=30ms).
Close panel
10
Switch on IQ
11
IN 0V
24
V
AUTO ON OFF AUTO ON OFF
J1
J2
LOW/LOWER
HIGH/R
AISE
NO NC C
NO NC C
IN
2
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
HVAC
Equipment
1
HVAC
Equip-
ment
1