Helios ALB EC 30/20 EH, Installation And Operating Instructions Manual

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Fresh Air Boxes – ALB EC
Installation and Operating Instructions
Only ALB EC WW:
The mixing node is partly opened by the commissioning of the ventilation unit. The water pump is activated if the
heating flow is used by the pump control. The intake and outlet flaps also open (accessory; by client) and the fan will
activate. When the unit is switched off (Standby mode) the fan will switch off first, the flaps will close and the water
pump will switch off last. The mixer will be closed, but the frost protection device will remain active.
If the frost protection is activated, the unit will immediately switch the fan off and the flaps will close . This measure
will ensure that there is no frost damage to the warm water heater battery or cold air entering the building . The
cold outside air will also not penetrate up to the warm water heater battery in the deactivated unit . The circulating
pump will be activated . The mixing node will open to ensure the water flow through the heat exchanger .
6 .6 Operation
Regularly check the proper functioning of the ALB:
– Free movement of the impeller.
– Power consumption in the range of the type plate data.
– Check any vibrations and noises.
– Formation of dust or dirt deposits in the casing or on the motor and impeller.
– In case of problems with one of the aforementioned points, maintenance must be carried out according to the inst-
ructions in chapter 7.
7 .0 Servicing and maintenance
The unit must be isolated from the mains power supply and secure against being switched on again before all
cleaning, maintenance and installation work or before opening the terminal compartment!
Excessive deposits of dirt, dust, grease, etc. on the impeller, motor, protection guard and, above all, between the
housing and the impeller, are not permitted, as these can lead to an unbalance in the impeller, overheating of the motor
or the blocking of the impeller. In such cases, the unit must be cleaned.
If the fan has an important supply function, regular performance-related maintenance is necessary. In cases of longer
periods of standstill, maintenance must be carried out when the unit is restarted.
The following should be checked:
– Secure mounting of the ALB on subsurface / on the system  Replace in case of doubt
– Dirt deposits  Remove, see Cleaning Chapter 7.2
– Mechanical damage  Decommission unit, replace damaged parts
– Tightness of screw connections, particularly impeller mounting. Do not loosen screws in the process!
– Casing surface coating (Casing/impeller surface coating)

Repair
– Free movement of the impeller  clean or replace fan, if necessary
– Bearing noises  Replace fan
– Vibrations  See Error description Chapter 7.5
– Power consumption according to type plate  See Error description Chapter 7.5
– Filter contamination
– Free movement of the check valve
7 .1 Filter change
If the filter change symbol is visible on the main menu of the control unit, the air filter of the supply air fan must be
replaced. The filter must be calibrated once a new air filter has been inserted.
7 .2 Cleaning
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WARNING!
An insulation fault may result in electric shock!
Before cleaning, isolate the fan from the mains power supply and protect against being switching on again!
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WARNING!
The rotating impeller can sever or trap your fingers/arms!
Before cleaning, isolate the fan from the mains power supply and protect against being switching on again!
– Clean fan flow area, impeller, struts and motor.
– Do not use aggressive cleaning agents that could damage the paintwork!
– High pressure cleaners or water jets are not permitted!
7 .3 Spare parts
Only original Helios spare parts are to be used. All repairs may only be carried out by authorised specialist personnel/
companies.
7 .4 Standstill and disposal
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WARNING!
When dismantling, live parts can be exposed, which can result in electric shock if touched . Before dismantling
isolate the unit from the mains power supply and protect against being switching on again!
CHAPTER 7
SERVICING AND
MAINTENANCE
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ATTENTION
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WARNING
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WARNING
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WARNING
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ALB EC WW
EN