Electric Installation; Cable Dimensions; Maximum Cable Length; Cable Installation - Honeywell SDC Montageanleitung

SDC / DHC 43
2.4

Electric installation

All electrical connections must be carried out by qualified personnel.
2.5

Cable dimensions

1.5 mm² for all 230 V cable (power supply, burner, pumps, actuators).
0.5 mm² for sensors, selectors , bus and analogue in- and outputs.
2.6

Maximum cable length

Sensors selectors and analogue inputs
A maximum cable length of 200 meters is recommended. Longer distances are
possible but increase the risk of interferences.
Relay outputs
Unlimited cable length.
Bus connections
A maximum cable length of 100 meters is strongly recommended.
2.7

Cable installation

Cables for 230 V must be installed separate from low voltage (sensor selector
bus) cables.
2.8

Cabinet earth and ground

Please install and connect the controllers according to local rules and standards.
2.9

Domestic hot water higher than 60 degrees C

WARNING Please note that in the following cases there is a danger at hot
water tabs (kitchen, bath). In order to avoid scalding please mix
enough cold water.
Anti legionella automatic
If the anti legionella automatic is activated the domestic hot water will
automatically be heated up to temperatures around 65 degrees C in order to kill
legionella bacteria in the hot water system.
MU1H-0207 GE51R0902 8