Shutting down of the boiler 4
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We reserve the right to make any changes due to technical modifications.
Operating instructions Logano GA124 SC/G124X II/SP special gas-fired boiler • Issue 04/2005
4 Shutting down of the boiler
4.1 Normal boiler shut-down
1. With the aquastats:
Switch off ON/OFF switch ("OFF" position). This
shuts down the boiler with all components
(e.g.
burner).
2. Additional shut-down procedure Î follow the
directions for the aquastat.
3. Logamatic 2107 control (accessory):
Switch off ON/OFF switch on control ("0" position).
This shuts down the boiler with all components (e.g.
burner).
4. Shut off main fuel supply valve.
4.2 Emergency shut-down
Inform your customer of the procedure in case of
emergency, such as a fire.
1. Never put yourself at risk. Your own safety must
always take priority.
2. Shut off main fuel supply valve.
3. Shut down the heating system with the heater
emergency switch or the corresponding circuit-
breaker.
Fig. 12 Shutting down heating system (with aquastat)
1 ON/OFF switch (main switch)
1
Fig. 13 Shutting down heating system (with Logamatic 2107
control)
1 ON/OFF switch
I
0
1
CAUTION!
SYSTEM DAMAGE
through frost.
The heating system can freeze up in cold
weather if it is shut down.
z Leave the heating system switched ON
constantly as much as possible.
z Protect the heating system from freezing
by draining the heater and water pipes
at the lowest point.
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