Installation and Operation Manual

Table Of Contents
8. EXIT SETTINGS MENU
3 s
SI0000119
Press and hold the OK button for about 3 seconds to exit the settings
menu.
7.6 Use relay module for time
delayed two stage additional
cooling (requires
communication module)
Ensure power is disconnected
Ensure that the power is disconnected from the relay module and the
cooling components.
Connect additional cooling
30 min 90 min
This connection requires a dry contact sensing input in
the component producing heating/cooling.
Connect the cable to/from the component producing secondary
cooling to one of the relays in the relay module.
Relay 1 (30 min delay): 1A and N
Relay 2 (90 min delay): 2A and N
Connect power
SI0000044
Connect the power cables from the relay module and cooling
components to a 24 VAC power supply, or if required by local
regulations, to a junction box.
Check relay module run mode
1x
2x
SI0000040
Power up the relay module and count the number of flashes of LED 2
(blue) to ensure it is in two stage additional cooling mode.
LED 2 1 flash = Normal (default)
LED 2 2 flashes = Two stage additional cooling
Change relay module run mode
1
2
SI0000041
1. Power down the relay module and wait about 10 seconds.
2. Press and hold the button on the relay module while turning it on
again.
LED 2 flashes twice (Two stage additional cooling mode).
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Installation and operation manual
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24VAC
24VAC
24VAC
X
24VAC
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