Closing Cover Of The Bc10; Switching Off Power Supply; Opening Boiler Door; Closing Isolating Valves - Buderus Logamax plus GB162-80 kW Service Instructions Manual

section 71

Closing cover of the BC10

 Close the cover of the BC10 on the front of the boiler [1].
section 72

Switching off power supply

ON
OFF
 Switch off the power supply to the heating system.
section 73

Opening boiler door

 Open the door lock by turning it a quarter turn counterclock-
wise using a bleed key [1].
 Push the lock down [2] and open the door [3].
 If a pump group is available: Remove the casing of the pump
group [4].
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
section 74

Closing isolating valves

 If a pump group is available: Close the heating supply and
return isolating valves [1] by turning them in a clockwise
direction (closed position: at a right angle to the pipework).
 If a pump group is available: Close the gas stop valve [2] by
turning it in a clockwise direction (closed position: at a right
angle to the pipework).
section 75

Draining the system

 Switch off the power supply to the heating system, see
section 72.
 If a pump group is available: Remove the casing of the pump
group as indicated in section 73.
 Close the service valves if a pump group is available,
see section 74, [1].
 Loosen the cap on the automatic air purging system located
on the top left-hand part of the boiler by turning it through one
rotation.
 Remove the cap of the filling and drain valve of the boiler.
 Connect the filling hose to the filling and drain valve of the
boiler.
Actions 7
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