Panasonic PAW-VP1000LDHW, Руководство по установке

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DHW PAW-VP - Installation manual – 2020-05
Water Piping Installation
3
3.3 Filling Procedure
● DO NOT turn on any heat source connected to the storage tank until it is filled, it can
result in catastrophic damage.
● Ensure that all installation requirements, electrical and safety, have been met.
● Check all plumbing and electrical connections are properly connected.
● Make sure that unused connections are closed with sealing plugs.
● Open the bleed valve on the set which is connected to the tank and start filling slowly.
● Let the unit fill, checking the bleeding air from the open tap; let out of the water to allow
the flushing of the pipes.
● Close the bleed valve.
● Open the any water sources (e.g. taps), to eliminate residual air in the system.
● Close all the water outlets and check for water leaks in the system.
● Fill any circuits connected to the tank.
● Test manually the pressure regulating valve and the safety valves on each hydraulic
circuit.
3.4 Emptying Procedure
● Isolate any electrical supplies to the heat source.
● Disconnect the water supply to the tank.
● Open a bleed valve on the set connected to the tank to allow the entry of air into the
system.
● Open the discharge of the system. Please pay close attention and care with the water dis-
charged from the system, as it could cause damage to property or persons.
3.5 Maintenance Procedure
● Check periodically (at least once a year) the smooth operation of the safety valve.
● In accumulations of DHW always install a passive cathodic protection (magnesium
anode) or active (impressed current anode) and check periodically, at least twice a year,
observe wear of a sacrificial magnesium anode or the presence of power supply on the
anode impressed current; an anode of magnesium consumed more than 60% should be
replaced.
● Inspect all water connections for leakage every year.
● Dismantle the flange with the DHW heater and clean the bottom tank internally every
other year if the water quality is poor.
● Test safety thermostat and check electrical connections for DHW heater every year.
● Leak search refrigerant connections at the top of the tank for heat pump every year.
● Leak search refrigerant hose from double coil every year.
● Inspect the coil and clean it if necessary every other year.
● Test run the heat pump and check sensor info parameters.
● Check outdoor unit procedures referenced to the service manual for outdoor unit.