HIdRos LZT 05, Техническое руководство

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LZT
High efficiency air to water heat pumps
MTLZTGB REV.012008
21
SAFETY DEVICE SETTING
Device
Set-point Differential Differential
Control thermostat (summer) °C 20 2 …
Control thermostat (Domestic hot water) °C 40 2 …
Control thermostat (winter) °C 40 2 …
Anti-freeze thermostat °C 4 6 MANUAL
Electric heater thermostat °C 4 6 MANUAL
High pressure switch Bar 28 7 MANUAL
Low pressure switch Bar 0,7 1 MANUAL
Water safety valve (Optional) Bar 6 … …
ELECTRIC DATA
Power supply V/~/Hz 230/1/50 (Sizes 05,07,09); 400 / 3+N / 50 (Sizes 09T,13,20,25,30,40)
Control board V/~/Hz 24 / 1 / 50
Auxiliary circuit V/~/Hz 230 / 1 / 50
Fans power supply V/~/Hz 230/1/ 50
Electric data may change for updating. It is therefore necessary to refer always to the wiring diagram inside the units.
WARNING: All this operation described in next chapters MUST BE DONE BY TRAINED PEOPLE ONLY.
Before every operation of servicing on the unit, be sure that the electric supply is disconnected.
INSPECTION
When installing or servicing the unit, it is necessary to strictly follow the rules reported on this manual, to conform to all the
specifications of the labels on the unit, and to take any possible precautions of the case. Not observing the rules reported on this
manual can create dangerous situations. After receiving the unit, immediately check its integrity. The unit left the factory in perfect
condition; any eventual damage must be questioned to the carrier and recorded on the Delivery Note before it is signed. HIDROS
must be informed, within 8 days, of the extent of the damage. The Customer should prepare a written statement of any severe
damage.
LIFTING AND HANDLING
When unloading the unit,
it is highly recommended
to avoid any sudden
move in order to protect
refrigerant circuit, copper
tubes or any other unit
component. Units can be
lifted by using a forklift or,
in alternative, using belts,
being sure that the
method of lifting does not
damage the lateral panels
and the cover. It is
important to keep the unit
horizontal at all time to
avoid damages to the
internal components.