Remote Alarm Connections (If Desired); Dry Contacts; Rs485 Port; Third-Party Probe Wire Routing (If Desired) - Follett FZR20-LB Installation, Operation And Service Manual

Remote alarm connections (if desired)

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)

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.
00981795R03 – FZR20/25 LB, PL
Fig. 7
Alarm Contacts

RS485 Port

Fig. 8 (top view)
Installation
Common
N/O
N/C
7