Installation manual

Supplied By www.heating spares.co Tel. [phone]
25
B005
IS
THERE STILL A
PROBLEM?
FUNCTIONS
NORMALLY
NO
YES
LIST OF MALFUNCTIONS POSSIBLE CAUSES
1
2
3
4
5
6
7
8
9
Deliveryof hot water for domestic use:
when the tap isturned on, the burner goes out.
Deliveryof hot water for domestic use:
the radiatores areheated in summer mode.
Deliveryof hot water for domestic use:
water temperature is not satisfactory.
Deliveryof hot water for domestic use:
noisy operation.
Drop/increase in pressure in primary circuit.
Repeated shutdowns.
Safety thermostat istriggered repeatedly.
When the cold water tap isturned off,the
boiler comes on.
Temperature of radiators not satisfactory.
Deliveryof hot water for domestic use:
when the tap isturned on, the burner goes out.
Deliveryof hot water for domestic use:
the radiatores areheated in summer mode.
Deliveryof hot water for domestic use:
water temperature is not satisfactory.
Deliveryof hot water for domestic use:
noisy operation.
Drop/increase in pressure in primary circuit.
Repeated shutdowns.
Safety thermostat istriggered repeatedly.
When the cold water tap isturned off,the
boiler
comes on.
Temperature of radiators not satisfactory.
- Air in thesecondaryexchanger
- Hot water pressure switch is defective
- 3-way valve is defective
- 3-way valve is defective
- Check sensors for domestic and heating water
- Check gassettingsand regulation
- Check water flow rate
- Check secondary exchanger
- Primary exchanger is defective
- Low water pressure in heating system
- Check gassettingsand regulation
- Check ntc sensor for domestic hot water
- Check for leaks in heating circuit
- Defective water supply inlet valve
- Secondary exchanger is defective
- Expansion vessel is empty
- Detection electrodes are defective
- Check gassettingsand regulation
- Check electrical circuit for flame detection
- Faulty(contacts)N.T.C. sensors-heating/hot water
- Defective (poorly calibrated) safety thermostat
- Presence of air in the primary water circuit
- Drop in pressure in the water mains, resulting
in water hammering
- Check N.T.C. sensor for heating
- Check by-pass
- Check gassettingsand regulation
- Air in thesecondaryexchanger
- Hot water pressure switch is defective
- 3-way valve is defective
- 3-w
ay valve is defective
- Check sensors for domestic and heating water
- Check gassettingsand regulation
- Check water flow rate
- Check secondary exchanger
- Pri
mary exchanger is defective
- Low water pressure in heating system
- Check gassettingsand regulation
- Check ntc sensor for domestic hot water
- Che
ck for leaksin heating circuit
- Defective water supply inlet valve
- Secondary exchanger is defective
- Expansion vessel is empty
- Detec
tion electrodes are defective
- Check gassettingsand regulation
- Check electrical circuit for flame detection
- Fau
lty(contacts)N.T.C. sensors-heating/hot water
- Defective (poorly calibrated) safety thermostat
- Presence of air in the primary water circuit
- Drop
in pressure in the water mains, resulting
in water hammering
- Check N.T.C. sensor for heating
- Check by-pass
- Check gassettingsand regulation
D