10 I EN
2. Package content
HOS A
no display
HOS A
HOS AW
HOS AWU
HOS AU
HOS U
control unit (power supply includ-ing)
wireless display
contactless door sensor
air inlet flap
high temperature sensor
3x heat sensor PT1000
sump for heat sensor PT1000
socket switch for boiler pump
*
*
socket switch for ventilation de-vice
**
**
**
silicone hose
chimney clamp
room pressure nozzle
* socket switch version supplied as standard, on customer‘s request the DIN rail version available
** DIN rail version supplied as standard, on customer‘s request the socket switch version available
3. Description of the device
Electronic combustion control HOS is a device containing some of the following modules or their combination:
· Module A – electronic combustion control – chapters related with this module are marked
A
· Module W – primary water cycle control - chapters related with this module are marked
W
· Module U – Underpressure watcher - chapters related with this module are marked
U
· The chapters related with electronic combustion control without a display are marked
This manual is common to all available versions. Please, consider your own version during the
installation, set-up and operating.
3.1 Description of the function of electronic combustion control – MODULE A
A
Module A (
fig. 1
) controls the burning process by dosing the optimal amount of air for combustion. The contactless door sensor (
2
)
transmits information about the status of the door to the control unit. When they are opened and then closed, the control unit initiates
the combustion control process. The high temperature sensor (
3
) measures the current temperature in the fire chamber or flue gas
path. Based on this value, the control unit sets the position of the flap (
1
) to ensure the supply of the optimal amount of air.
If you have a version with a wireless display (
4
), the display shows the temperature measured by the temperature sensor, the burning
phase and the burning time.
Summary of Contents for HOS
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