Westric SW Series, Installation, Operation And Maintenance Manual

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Terminal Blocks
Terminal Block
block
Terminal Description
Digital Inputs
Com Digital inputs common
E1
Connect to the NC failure terminals of unit #1 (if available).
Factory set bridged
E2
Connect to the NC failure terminals of unit #2 (if available).
Factory set bridged
Fire, FF
Connect to the Fire Alarm Control NC terminals, or to the Phase Monitoring
Relay auxiliary NC terminals.
Factory set bridged
Unit 1
Unit 2
COM Outputs common
V Evaporator fan
R Electrical Heater
C Compressor
Failures
NA Remote alarm failure output - NO
LM Remote alarm failure - Common
NC Remote alarm failure output - NC
Ext Thermostat
External thermostat Connect to a mechanical room thermostat for emergency operation
(Optional and not indispensable for the operation of the sequencer)
External thermostat
Power Source
T Earth
N
220VAC 50Hz power supply to the sequencer
L1

Keyboard
Key Function

Forward and back screens, to increase or to diminish the value of the parameters and to
enter codes.

D
Displays the content of a parameter, in access code sum of 10
G
Saves the new value assigned to a parameter. Pressing it a second time allows you to exit
the setting screens.