E528 Product Guide
Rev 8.0 12/16/2016 8
E528.4G New Installation
Stand alone application with/without door switch input
• Using the harness (P/N 62-1467), make the appropriate wire
connections, then plug the harness into the low voltage comm/device
connection of the e528.4G
RS485 Networked Application with/without door switch input
(See Figure 7)
• Using the harness (P/N 62-1467), make the appropriate wire
connections, then plug the harness into the low voltage comm/device
connection of the e528.4G.
• Using the adapter (P/N 203-250) and P/N 62-1532-B.12 cables,
connect the RS485 A pair to the two pin
• RS485 In header and the RS485 B pair going to the next thermostat to
RS485 Out header on the 203-250.
• Connect the harness of 203-250 to the RS485 network header of the
e528.4G.
Figure 6. 4G to 2G RS485 Networked Application
Figure 7. E527 4G New RS485
Networked Application
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