User Interactions - Dantherm HCV 400 P1 Service Manual

User interactions

Introduction
Control panel
Override mode:
• Bypass (Automatic / manual)
Control panel • Summer mode
modes
Main mode:
• Manual fan speed
Override mode:
• Fireplace mode
26
This section describes how to use the control panel on the front of the unit . The panel's func-
tion vary depending on whether accessories have been mounted or not . On the front of the
unit you will find brief instructions under the front cover .
This illustration shows the control panel .
This table shows the different modes, which can be activated by the control panel .
Button Mode
Automatic
cooling via
bypass
Fan speed level indicator
Manual
bypass
mode
!
If the bypass temperature settings are set too low, there is a risk that the unit
NOTICE
will open bypass while the central heating system in the house is active .
Fan speed level indicator
Fig . 13
Description
Automatic bypass cooling is only possible if the bypass mod-
ule is installed and enabled .
It is possible to set the parameters for bypass cooling . The follow-
Fan speed level indicator
ing options are available on HRC3 remote controller and Dan-
therm PC-tool:
• Set the minimum outside temperature within the range
8-15°C .
• Set the bypass setpoint (Tmax), which makes the bypass
damper open . Range: 22-30°C . You can select "off" to disable
automatic bypass .
The following preconditions will enable automatic bypass cooling:
• If the outside temperature is 2°C lower than the indoor tem-
perature
• AND Tmin is higher than the setpoint (between 12-15°C) .
• AND Tmax is higher than the setpoint (between 21-27°C) .
The bypass damper will close if one of the three preconditions
listed above deviates by 2°C .
The bypass LED will light constantly when the bypass damper is
open .
If one of the preconditions for automatic bypass mode is not
present, you can still select bypass manually: Press on the bypass
button once . This will override the setpoints and enable bypass
for 6 hours . This only applies however if the outside temperature
is 2°C lower than the indoor temperature and if there is no risk of
icing in the heat exchanger .
The bypass LED will light constantly when the bypass damper is
open .
Alarm reset:
• Clean/ replace filter (orange)
• alarms (red)
Main mode:
• Week program
• Demand mode
Alarm reset:
• Clean/ replace filter (orange)
• alarms (red)
Main mode:
• Week program
• Demand mode
Alarm reset:
• Clean/ replace filter (orange)
• alarms (red)
Main mode:
Table continues on next page
• Week program
• Demand mode