
- 7 -
COMMISSIONING
Display
Description
Consequences according to type of installation
“Function” key (1) gives access to 3 operating
modes by pressing:
- auto mode: LED (4) on
- winter mode: LED (5) on
- summer mode: LED (4) and (5) off
LED (5) on / LED (4) off:
Winter mode
The boiler provides heating and domestic hot
water
- Basic boiler model (without outside sensor and room
sensor)
• Auto mode is inaccessible
. The heating and hot water temperatures are set
manually by using the boiler potentiometers.
- Boiler with outside sensor only
• Auto mode is not activated,
. Heating operates continually except if there is a
request for hot water,
. The hot water temperature is set manually on the
boiler potentiometer.
- Boiler with outside sensor and room sensor
• The heating and hot water temperatures are set via
the room sensor QAA73.
LED (4 and 5) off:
Summer mode
The boiler provides domestic hot water only
- Basic boiler model (without outside sensor and room
sensor)
• Auto mode is inaccessible
. The hot water temperature is set manually by
using the boiler potentiometers.
- Boiler with outside sensor only
• Auto mode is not activated,
. The hot water temperature is set manually on the
boiler potentiometer.
- Boiler with outside sensor and room sensor
• The hot water temperature Is set via the room sensor
QAA73.
LED (4 and 5) on:
Auto winter mode
The boiler provides heating and domestic hot
water
Auto mode is active:
- Boiler with outside sensor only
• The heating starts up automatically and only when
the average outside temperature computed by the
LMU is below 19°C.
• The hot water temperature is set manually on the boi-
ler potentiometer.
- Boiler with outside sensor and room sensor
• The heating starts up automatically and only when
the average outside temperature computed by the
LMU is below 19°C.
• The heating and hot water temperatures are set via
the room sensor QAA73.
auto
Function
FUN-01-0
4
1
5
auto
Function
FUN-02-0
auto
Function
FUN-03-0
auto
Function
FUN-04-0
Содержание THI 10-35 SEP
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