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Instruction manual TWI 35-130 G/TWI 45-190 G 47
Instruction manual - TWI 35-130 G/TWI 45-190 G 47
Pannes s’afchant sur la commande
Light pulses Cause Solution Remark
3 (SL3)
Three ignition
attempts without
success
No gas supply 1. Open the mains gas supply valve and/or the manual gas valve
for the gas control.
2. Check the pre-pressure on the gas control.
3. If necessary, restore the gas supply.
Contact your installation engineer for restoring the gas supply.
Air in the gas pipe Bleed the gas pipe. Contact your installation engineer for replacing the required parts.
No gas supply to
burner
1. Check if the gas valve switches.
2. Replace the gas control if necessary.
Error in the hot
surface igniter circuit
1. Check if the hot surface igniter has been properly connected.
See (12.2 “Electrical circuit diagram”).
2. Check the cabling of the hot surface igniter.
3. Check the voltage over the hot surface igniter. This should be
115 VAC.
4. Measure the resistance over the hot surface igniter. This
should be between 45 and 400 Ohms.
5. Replace the hot surface igniter if necessary.
Contact the installation engineer in case of reoccurring errors.
Contact the installation engineer for replacing the required parts.
Phase and Zero
incorrectly connected
Correctly connect the Phase and the Zero (3.9 “Electrical
connection”). The device is phase-sensitive.
Error in the ionisation
circuit
1. Check if the hot surface igniter has been properly connected.
See (12.2 “Electrical circuit diagram”).
2. Check the cabling of the hot surface igniter.
3. Check if the ground wire of the burner has been properly
connected.
4. Replace the hot surface igniter if necessary.
Supply voltage too low Check the supply voltage. This should be 230VAC (-15% +10%).
47


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Others manual(s) of A.O. Smith TWI 35-130

A.O. Smith TWI 35-130 User Manual - German - 64 pages

A.O. Smith TWI 35-130 Usermanual and installation guide - Dutch - 64 pages


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