Zehnder Rittling ComfoFond-L Series, Руководство по установке

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17 - EN
3. If no further maintenance is required:
Install all parts in reverse order and switch
the power supply to the ComfoAir Luxe
back on. (as described in the maintenance
section for the brine loop)
6.6 Maintenance of ComfoFond-L
battery
Inspect the ComfoFond-L battery once every
2 years.
1. Remove the front panel of the
ComfoFond-L as described in the brine
loop maintenance section.
2. Check the fins in the ComfoFond-L battery
for dirt and damage.
- Use a fin comb to restore the fins.
- Rinse the battery with lukewarm tap water.
Do not use aggressive cleaning agents or
solvents to clean the ComfoFond-L.
3. If no further maintenance is required:
Install all parts in reverse order and switch
the power supply to the ComfoAir Luxe
back on. (as described in the maintenance
section for the brine loop).
6.7 Replacing circulation pump
1. Remove the front panel of the
ComfoFond-L as described in the brine
loop maintenance section.
2. Close taps V2 and V4.
3. Connect a drainage hose to filling valve V3
to drain the brine.
4. Open filling valve V3 slowly until the system
is depressurised.
5. Replace the circulation pump.
6. Top up the system to the nominal pressure
of 1.5 bar in accordance with the filling
instructions in the brine loop maintenance
section.
7. If no further maintenance is required:
Install all parts in reverse order and switch
the power supply to the ComfoAir Luxe
back on. (as described in the maintenance
section for the brine loop)
The lowest point of the power cable for the
pump must be below the pump level. This
prevents condensation water from running
to the pump via the power cable.
6.8 Replacing expansion vessel
1. Remove the front panel of the
ComfoFond-L as described in the brine
loop maintenance section.
2. Close taps V2 and V4.
3. Connect a drainage hose to filling valve V3
to drain the brine.
4. Open filling valve V3 slowly until the system
is depressurised.
5. Replace the expansion vessel.
6. Top up the system to the nominal pressure
of 1.5 bar in accordance with the filling
instructions in the brine loop maintenance
section.
7. If no further maintenance is required:
Install all parts in reverse order and switch
the power supply to the ComfoAir Luxe
back on (as described in the maintenance
section for the brine loop).
6.9 Replacing filling valve
1. Remove the front panel of the
ComfoFond-L as described in the brine
loop maintenance section.
2. Close tap V4 only.
3. Connect a drainage hose to filling valve V1
or V3 to drain the brine.
4. Open the selected filling valve slowly until
the system is depressurised.
5. Replace the filling valve.
6. Top up the system to the nominal pressure
of 1.5 bar in accordance with the filling
instructions in the brine loop maintenance
section.
7. If no further maintenance is required:
Install all parts in reverse order and switch
the power supply to the ComfoAir Luxe
back on (as described in the maintenance
section for the brine loop).
6.10 Replacing pressure meter
1. Remove the front panel of the
ComfoFond-L as described in the brine
loop maintenance section.
2. Close taps V2 and V4.
3. Connect a drainage hose to filling valve V1
to drain the brine.
4. Open filling valve V1 slowly until the system
is depressurised.
5. Replace the pressure meter.
6. Top up the system to the nominal pressure
of 1.5 bar in accordance with the filling
instructions in the brine loop maintenance
section.
7. If no further maintenance is required:
Install all parts in reverse order and switch
the power supply to the ComfoAir Luxe
back on (as described in the maintenance
section for the brine loop).