24
A1007841-664Y7800 • A
RECOMMENDATIONS FOR THE BOILER
MAINTENANCE
Essential recommendations for the electrical
safety
• Before opening the boiler for maintenance,
turn off the boiler by pushing on the ON/OFF
master switch.
• Isolate the external power supply of the
appliance before performing any operation,
unless it is required to take measurements or
perform system setup.
Essential recommendations for safety
• Water flowing out of the drain valve may be
extremely hot and could cause severe scalding.
• Do not use solvents to clean any of the
components. The components could be
damaged, resulting in unreliable or unsafe
operation.
Essential recommendations for the correct
operation of the appliance
• It is recommended to have the boiler serviced
at least once a year or every 1,500 hours by a
qualified technician, preferably at the start of
the heating season. More frequent servicing
may be required depending on boiler use.
Please consult your installer for advice.
• The boiler maintenance will be carried out by
a qualified engineer, and the defective parts
may only be replaced by genuine factory
parts.
• Make sure to replace any gaskets or seals on
the removed components before reinstalling
them.
• To ensure maximum efficiency and reliability
of the unit, it is recommended that the end-
user perform the periodic checks mentioned
in the Safety section of this manual.
• Control the tightness of the hydraulic circuit
connections.
BOILER SHUT-DOWN FOR
MAINTENANCE
1. Switch the boiler off using the ON/OFF master switch
2. Isolate the external power supply.
DRAINING THE BOILER
Set-up conditions
•
Boiler shut down through the ON/OFF switch
•
External power supply isolated (through the external elec-
trical box)
•
Boiler cooled down (if it was in operation)
Procedure
1. Close the heating circuit isolating valves (1)
2. Open the draining valve (2) and allow the water to flow to
the drain
3. Actuate the automatic air vent (3).
Follow-on Task(s)
None
1
1
3
2
EN
Maintenance
Cold water
Hot water
Summary of Contents for E-Tech W 09 Mono
Page 28: ...ACV International Oude Vijverweg 6 B 1653 Dworp Belgium belgium service acv com www acv com...
Page 29: ...E Tech W 09 15 Mono 09 15 22 28 36 Tri A1007841_664Y7800 A ML...
Page 31: ...3 763 mm 442 mm 332 mm 185 mm 370 mm 105 mm Min 25 mm Min 400 mm Min 200 mm ML...
Page 56: ...28 2 3 4 5 1 6 7 8 9 10 12 13 11 14 16 17 18 15 12 ML...
Page 60: ...32 ML...
Page 61: ...33 ML...
Page 63: ...35 ML...
Page 64: ...ACV International Oude Vijverweg 6 B 1653 Dworp Belgium belgium service acv com www acv com...
