Viessmann AWO-M-AC 101.A06, Assembly And Servicing Instructions

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CAUTION: The units are designed for outdoor installation. The outside temperature must never
exceed 46°C. Beyond this value, the unit is no longer covered by the current regulations in the
field of safety of pressure equipment.
CAUTION: The installation place must be without any fire risks. Therefore all the necessary
measures should be adopted in order to prevent the risk of fire at the installation place. The
appliance must not be placed near naked flames and ignition sources
CAUTION: The unit must be installed so as to allow free movement for repair and maintenance
operations. The warranty does not cover costs for platforms or other lifting equipment needed for
any interventions.
All the maintenance operations and tests must be done by QUALIFIED PERSONNEL ONLY.
Before any operation on the unit, make sure that power is disconnected.
Do not use equipment to speed up the defrost process or for cleaning except for those
recommended by the manufacturer
The appliance must be placed in a room without ignition sources constantly running (for example
naked flames, a running gas-fired appliance or a running electric heater)
Do not perforate or burn
CAUTION: There are some moving components inside the unit. Pay the utmost attention when
operating in their vicinity, even if power is disconnected.
The heads and delivery pipe of the compressor are normally quite hot.
Be careful when working near the condensing coils.
The aluminium fins are very sharp and can cause serious injuries.
After the maintenance operations, close the panels by fixing them with screws.
5.2 LIFTING AND HANDLING
During unloading and positioning of the unit, utmost
care must be taken to avoid abrupt or violent
manoeuvres in order to protect the internal
electronic components. The units can be lifted by
means of a forklift or, in alternative, with belts,
being sure not to damage the side panels and the
cover. It is important to keep the unit horizontal
during these operations.