Dantherm HCH 5 Handbuch Seite 23

Fault finding guide,
Inconvenience, con-
Inconvenience
tinued
The house is being
unnecessarily dried
out.
There is damp on
the inside of the
windows and other
cold surfaces. (au-
tumn, winter and
spring)
The unit is always
operating with the
same speed.
The display goes
out after a short
period of time, after
which only the
green light-emitting
diode is on.
21
continued
The unit might be operating
with too much air change com-
pared to the size and use of the
house.
The air change is too low or the
air distribution is unfortunate
which causes too low air
change in critical rooms
The unit is set on manual oper-
ation at one fixed speed.
The display goes into Energy
Saving Mode after 2 minutes to
effect power save.
Cause
Switch to Automatic Demand
Mode or set the air flow rate at
Fan Step 2 or 1 in Manual Op-
eration Mode.
only recommended for a short
period of time.
Expect a couple of days to raise
humidity, if the house is very
dry.
If that does not help, contact
your installer to adjust the air
flow rates.
Adjust the unit to Automatic
Demand Mode, which assures
that it keeps the humidity on a
suitable level. Do not let the
unit operate on Fan Step 1 or 2
in Manual Operation Mod be-
cause that might not keep the
humidity low enough when the
moisture load of the house is
that big.
Switch the unit to Automatic
Demand Mode after which the
unit will adjust the air flow
rates according to the house's
needs.
The unit is operating correctly.
Action
Using Fan Step 2 or 1 is