3.Function presentation
3 minutes protection
If the unit stops and you restart the unit or turn it on by the manual switch, the unit will not start
to run again for approx 3 minutes. This is a protection feature to safe guard the compressor.
In low ambient conditions the heating output decreases.
Heating capacity
Working conditions
Defrosting
In the heating mode the unit will defrost automatically, maximizing the heating efficiency
(Lasting 2 - 10 minutes)
.
The fan motor will stop running whilst the unit is defrosting
.
Water
pressure protection
temperature or
When the tank pressure reaches 0.85MP
a
or when the tank temperature reach 9
9
℃
, the P&T
valve will open automatically so as to
release
the pressure or decrease the temperature.
7
In order to use the unit correctly, please run the unit at environment temperature
-
5
℃
~
43
℃
The unit includes sophisticated electronic devices, prohibited to use water
from
lake, untreated river water and groundwater!
8
4.1 Pipeline connection sketch
4. Installation
ATTENTION
Pipeline connection explanation
Installation of the water inlet or outlet pipes: The specification of the water inlet and
outlet thread is BSP3/4(internal thread).pipes must be heat-resistant and durable.
Installation of the pipe for P&T valve: The spec of the valve connecting thread is
BSP3/4(internal thread).After installation, it must be confirmed that the drainpipe
outlet is exposed in the air.
drainpipe is joined to the pressure
relief orifice of this valve, you must ensure that the flexble drainpipe
and exposed in the air.
When the flexible
is pointing
downwards
Water Inlet
Y-shaped Filter
Tap Water
Thermal expansion tank
(if required)
Barrel-drain
Drainpipe
Condensate Outlet
P&T Valve
Water Outlet
Notice:
Tempering valve required
Magnesium
ATTENTION: The P&T valve attached with the unit must be installed,
will cause damage to the unit,
.
failure to do so
and possible personal injury
Do not use stainless steel fittings to connect directly with other metals to prevent
galvanic corrosion.
Setup cannot affect the building structure and safety.
Notice:
A pressure realeasing
valve isto be fitted in
the installation.
Spec of P&T valve:
Pressure: 0.85MP
Temperature: 99
℃
Drain the watertank through thedrain valve atthe bottom partof the unit.
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