Placing the heating system in operation 11
31
We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Logano G334 X gas-fired boiler • Issue 09/2005
11.2 Making boiler ready for operation
STOP! First read the safety instructions on Î page 30
of this manual.
1. Carry out leak test (Î page 29). Wait five (5)
minutes until all gas residues have dissipated.
Finally check whether there is any smell of gas,
including at floor level. If there is a gas odor: STOP!
Follow instructions in section "B" of the safety
instructions on Î
page 30 of this manual. If there is
no sign of a gas odor, continue with the next step.
2. Open main gas valve.
11.2.1 Placing heating system with aquastat control in operation
The boiler is fully functional with the factory-installed
aquastat.
3. Switch on ON/OFF switch (building side)
(ON
position). This switches on the boiler with all its
components. Then continue with step 7.
4. Make sure that the room thermostat signals a heat
requirement (set thermostat at least 10 °F above
room temperature).
Fig. 25 Switching on heating system (with aquastat)
1 ON/OFF switch (main switch)
1
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