2.6.
Relay Output Wiring
Refer to the circuit board locations diagram for assistance in locating the relay board. Wiring is as follows:
NO
CO
M
NC
NO
CO
M
NC
NO
COM
NC
NO
COM
NC
RELAY 1
RELAY 2
RELAY 3
RELAY 4
Figure 12 - Relay Board
NOTE: If ordered with
Safety Flow Limit Record
function, Relay 1 and Relay 2 will be pre-configured
to act as the flow alarms. Details are as follows:
•
Relay 1 = SFLR Alarm 1 = “Loss of Signal” alarm
Wire to COM and NO terminals for failsafe operation
•
Relay 2 = SFLR Alarm 2 = “High Flow” alarm
Wire to COM and NO terminals for failsafe operation
Relay contacts interface with Legal Flow Control unit found in system. For proper operation, these relays
MUST be utilized. Proper system function is not possible utilizing external “Loss of Signal” and “High
Flow” relays.
2.7.
Chart Plate Health Authority Seal
A through hole lug and post have been provided for installing the Health Authority Seal. They are located
in the upper right corner of the chart plate.
Posts For
Health Authority
Wire Seal
Figure 12 - Health Authority Seal
Revision 3.0
Section 2
10
