Communication Bms - Lennox CLIMATIC 50 User Manual

WIRING CONNECTIONS AND COMMUNICATIONS
COMMUNICATION
BMS
Function
This is used to link a Climatic to a BMS network for remote control of the unit.
Description
The Climatic 50 can communicate according to various protocols:
1. Climatic protocol for connection with KP06 (see specific KP06 manual) or other Lennox
communication products (3932 = Climatic)
2. MODBUS Protocol (3932 = Modbus)
3. LONWORKS system (3932 = LonWorks)
MODBUS and LONWORKS address table are given at the end of this manual.
The identification number of each unit can be set (3931) and the communication speed is adjustable
between 1200Bds and 19200Bds (3933).
MODBUS protocol
For this option the BM50 must be equipped with the board, PCO1004850
This card is used to interface BM50 to an RS485 network.
The card guarantees the optical isolation of the controller from the RS485 serial network.
CLIMATIC 50 user manual – Chillers ranges CL50-CHILLERS/IOM/1105-E
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