Connecting Accessories; Service And Cleaning - Honeywell SDC Montageanleitung

Manual operation / Emission measurement
In the manual mode / emission measurement mode the domestic hot water can
be heated up to the maximum possible boiler temperature because the burner
and all pumps are switched on and the valves will be completely opened. Also
here there is the danger of scalding at all warm water tabs in the building. Please
mix enough cold water or switch the domestic hot water loading pump manually
off (if there is a switch at the pump).
Heating and domestic hot water are not temperature controlled in these modes.
These modes are especially used by the emission measurement specialist or by
the installer in case the controller is defect. The high water temperatures can
however be avoided if the boiler thermostat is adjusted to a max. of 60 degrees C.

2.10 Connecting accessories

CAUTION According to VDE 0730 the power supply for the controller must
have a separate main switch for life and neutral. Please follow
local rules and standards for cabinet earth and ground.
As soon as there is power supply at the terminals 21, 22, 2, 6,
12 and 18 also the terminal rows X3 and X4 will carry 230 V
connections.
External switches must be installed if a manual switch function
is desired for pumps. All accessories (sensors, selectors, etc.)
must be connected according to the attached wiring.

2.11 Service and cleaning

The controller is service free. The unit can be cleaned with a moist (not wet) cloth
from the outside.
9 MU1H-0207 GE51R0902
SDC / DHC 43