Ingersoll-Rand ReliaTel, Manual, Page: 25 / 176

RT-SVD03L-EN 25
Low Voltage Terminal Strip
TEST terminals - By jumpering from TEST1 to TEST2,
the service technician can test the unit or start it with or
without any controls attached. See
“ReliaTel ™ Test
Mode,” p. 79 section for details.
Compressor 1 disable - If the factory installed jumper
from 1 to 2 is removed (compressor 1 disable),
compressor 1 will not run, even in the TEST MODE.
This is where a load shedding device could be
connected.
Compressor 2 disable - If the factory installed jumper
from 3 to 4 is removed (compressor 2 disable),
compressor 2 will not run, even in the TEST MODE.
This is where a load shedding device could be
connected.
Emergency Stop - If the factory installed jumper from 5
to 6 is removed (emergency stop), the unit will not run.
The RTRM system LED will be on. The unit will have
heat + cool diagnostic. An external smoke detector or
other interlock device can be added here.
Figure 14. Low voltage terminal strip
Compressor 1 Disable
Compressor 2 Disable
Immediate Shutdown,
Automatic Reset
24 VAC
Test Terminals
Test 1 Test 2
1 2
3 4
5
6
Figure 15. Low voltage terminal strip
Humidistat
Pressurize
Purge
Exhaust
24 VAC
PRS
EXH
CO
2
+ CO
2
-
7
9
11
13
HUM
24 COM
PUR
8
10
12
14
Humidistat
LTB
Figure 16. Low voltage terminal strip
LTB
15 16
17 RH+
18
RH-
19
SAH+
20
SAH-
21
22
Relative Hu
Supply Air Heating Se
Relative Humidity -
Supply Air Heating Setpoint -