181
8 Maintenance for Magnetic Water Filter Set
a. Turn OFF power supply.
b. Set the two valves for the Magnetic Water Filter Set to “CLOSE”.
c. Drain the Space Heating / Cooling circuit water with set the Pressure Relief Valve lever UP, so that water
pressure drop below 0.5 bar.
d. Take off the clip, then gently pull out the mesh. Beware of small amount water drain out from it.
e. Clean the mesh with warm water to remove all the stain. Use soft brush if necessary.
f. Remove the bolt with magnet on brass cap with screwdriver to remove all iron powder.
g. Reinstall the magnet and mesh to the Magnetic Water Filter Set and set back the clip on it.
h. Set the two valves for the Magnetic Water Filter Set to “OPEN”.
i. Re-charging the water to Space Heating / Cooling circuit (refer Section 5 for details.)
j. Turn ON power supply.
Filter
1. Set 2 valve for the
Water Filter Set
to “CLOSE”.
Retaining ring
2. Remove the retaining
ring then remove the
Water Filter
9 Maintenance for Temperature and Pressure Relief Valve
Manually operate the Temperature and Pressure Relief Valve by turn the knob counter clockwise to ensure
free water flow through discharge pipe at regular intervals to ensure it is not blocked and to remove lime
deposit.