Danfoss ECL Comfort 296 Service Manual - Page 12

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Service guide

8.3 "Modbus" to "mains" separation

The surge / lightning protected Modbus cables "must be separated from

mains / switched mains signal" even for a short run. Other signals in

ECL 296 / 310 (M Bus, sensor signals, RS485 signals), which are meant

for indoor wiring, "must be separated from mains / switched mains

signal" even for a short run. Modbus signals may be taken along with

MBus, sensor signal and other RS485 signals.

Recommended:

1) = surge protector

1. Even for a short distance well separated (≥ 7mm) from mains

signal.

2. Mains signal must be grouped separately and clear distance is

maintained throughout the cable routing (from surge protected

signal to ECL 296 / 310 wiring)

ECL 296 / ECL 310 Modbus

VI.LV.H1.02