Maintenance; Preliminary Cautions; Water Quality - Argo APHPDHW200 Use And Installation Manual

5.1

Preliminary Cautions

WARNING:
Servicing shall be performed only as recommended
by the manufacturer. The local assembly should be
the ones established
The power cable
compliance with the local rules.
If you need to remove or reinstall the unit, please ask
for qualified professionals to make it to avoid
improper installation
leakage, electrical shock or fire.
The heat pump should be maintained by qualified
professionals to avoid
which may lead to water leakage, electrical shock or
fire.

5.2 Water quality

Water quality shall meet the following conditions:
Water Dissolved
heater
system
mg/L or ppm
2500*
*For TDS levels up to and including 800 mg/liter the magnesium based anode is to be used. It is
recommended that magnesium anode be checked annually. This is the anode fitted during manufacture
of the cylinder. For TDS levels greater than 800 mg/liter and not exceeding 2500 mg/liter the
magnesium-based anode is to be used. Frequent inspection of magnesium anode is recommended, at
least every three months. This anode should be fitted by an authorized person.
This Warranty does not apply if the TDS exceeds 2500 mg/liter.
44

MAINTENANCE

by the manufacturer.
connection should be
which may lead to water
improper maintenance
Total
Hardness
Solids (as CaCO3)
(TDS) mg/L or ppm
200
ATTENTION:
It should be dry, clean and well-ventilated around the
units to maintain its good effect of heat transfer and
energy saving.
Check the parts of the unit and the pressure of the system
in
regularly (once a
phenomena, repair and/or replace it immediately.
Check if the electrical wiring is not firm enough and the
electrical element has any unusual action and smell. If
so, repair and/or replace it immediately. Do not make
the unit power off if the unit is not used for a
long time. The
responsible for any damage caused by the frost crack
of parts due to the long time power off.
Check if the power socket and plug have a good
contacting, perfect earthing and thermal protections. In
cold areas (below 0 ℃), if you do not use the unit for a
long time, please drain the water in the tank to avoid
damages due to icing.
It is recommended that the set temperature is set lower
when there is enough hot water for daily life to save
energy and extend the service life of water heater. The
safety cable specification is 5A/250VAC, and must
meet the
Be aware that refrigerants may not contain odour.
Saturation index
PH
(Langelier)
6.5
+0.4 to -1.0
to
@ 65℃
9.5
year). If there is any unusual
manufacturer will
explosion-proof requirements.
Dissolved CO2 Chlorides
mg/L or ppm mg/L or ppm
N/A N/A
not be