00981795R03 – FZR20/25 LB, PL
Installation
7
Remote alarm connections (if desired)
Fig. 7
Remote communication connections are located on back side of top facade
(Fig. 7).
Dry contacts
•
Connection to NO or NC contacts provides remote alarming capability
•
No temperature data is communicated
RS-485 port
•
Connection provides real-time data streaming
– Temperature
– Alarms
– Refrigeration operation
•
MODBUS protocol
•
Uses 6 pin, 4 conductor RJ11 jack (not supplied)
Third-party probe wire routing (if desired)
Fig. 8 (top view)
1. Use a drill or awl to prepare an opening to allow routing of the third-
party probe into the cabinet at the location shown (Fig. 8).
2. Use permagum sealant to cover hole opening after probe is routed into
cabinet.
RS485 Port
N/C
N/O
Common
Alarm Contacts
