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LAARS HEATING SYSTEMS
FRONT
SIDE
Figure 3. Dimensions.
1R. Servicing the Burner
This should only be carried out by a trained and
licensed service technician in accordance with the
burner maker’s instructions.
1S. Maintenance of the Tankless Coil
After several years of use, the water flow
through the coil may become restricted by mineral
deposits from the water. Mild accumulations may be
removed by an acid treatment but your servicing
company can advise on the most satisfactory method
of cleaning or whether a replacement coil is
necessary.
1T. Coil Removal
1.
Switch off electrical supply and turn off water to
boiler.
2.
Valve off zones and drain boiler and DHW coil.
3.
Disconnect the pipe connections to the coil.
4.
Unscrew the eight retaining bolts from coil plate.
5.
Pull out coil and clean or fit replacement as
necessary.
6.
Ensure gasket makes a water tight seal.
7.
Refill boiler, open valves and check for leaks.
Domestic
Water In
(Cold)
Domestic
Water Out
(Hot)
