Unpacking The Shipping Carton - MSA Chillgard RT Instruction Manual

Unpacking the Shipping Carton

The shipping carton should contain the Chillgard RT Relay Module.
Identifying the Unit
Each bank of relays (see FIGURE B-3) is assigned to a particular alarm
level. Chillgard RT Relay Modules can be purchased with one, two, or
three internal relay banks (TABLE B-2).
Table B-2. Part Numbers and Supplied Relays
UNIT P/N RELAY P/N
710847 COMPLETE UNIT
710847 490558
710847 490558
The default relay assignment may be changed. Consult the factory for
more information.
Mounting Your Unit
Mount the Chillgard RT Relay Module adjacent to the controlling
Chillgard RT Refrigerant Monitor using the four mounting holes as
shown in FIGURE B-2 (hardware not supplied).
Electrical Connections
for the Chillgard RT Relay Module
Follow all applicable practices and local codes. Use appropriate conduit
and cable glands when installing the Chillgard RT Relay Module and
Chillgard RT Refrigerant Monitor.
Main Power Connections
Ensure that all primary power is turned OFF at the circuit breaker or
fuse. Do not wire the Chillgard RT Relay Module with power ON.
Wiring the Chillgard RT Relay Module with the power ON
may result in electrocution which may cause injury or death.
QUANTITY DESCRIPTION
OF RELAYS
N/A 1 BANK OF RELAYS
1 2 BANKS OF RELAYS
2 3 BANKS OF RELAYS
CAUTION
DEFAULT
RELAY
ASSIGN-
MENT
ALARM
WARNING
ALARM
CAUTION
WARNING
ALARM
B-6