Ochsner AIR BASIC 109, Operating Manual/Installation Manual

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BA_AIR_BASIC_ELW_Multitower_OTE3_SW5x_CC_EN_V08.docx Page 17 of 92
4.1.2 Main components
Figure 17: View from above
Indoor unit
control box
OTE controller
MFA module with
-
3-way switching valve
- Safety valve
- Electric auxiliary heater 8.8 kW
- Flow sensor
- Air vent
Circulation pump
Plate heat
exchanger
Condenser
Expansion vessel
Service valve for
expansion vessel
Bypass connection
Valve for filling and
draining
DHW
flow
Heating
flow
Heating
return
DHW
return
Controller voltage
220-240 VAC/50 Hz
Booster heater
400 V~
Sensors <12 V
Liquid line
DHW heating
return
Heating
return
DHW heating
flow
Heating
flow
Hot gas line
b
a
r
bar
Pressure gauge
Figure 18: Indoor unit detailed view