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7.2

BOILER ROOM

• Keep vents free at all times.
• Do not store inflammable products in the boiler room.
• Take care not to store corrosive products near the boiler, such

as paints, solvents, chlorine, salt, soap and other cleaning
products.

• If you smell gas, do not switch on the light or light a flame. Turn

off the mains gas tap at the meter and inform the appropriate
services immediately.

7

USER GUIDE

7.1.5

GAS BURNER - RESETTING

If the atmospheric burner is not working:

1.

Remove the protective cover.

2.

Press the red button to start the burner.

3.

If the burner lights, replace the cover.

If the burner is not working, isolate the electricity
supply before attempting to reset the safety thermostat.

4.

Remove the front panel of the casing and reset the safety
thermostat positioned on top of the boiler.

Wait until the boiler temperature is below 60 °C. Then
replace the casing front panel.

5.

If the burner lights, replace the cover.

6.

If the fault persists, notify the installing engineer.

Starting the burner.

In normal operation, the gas burner starts automatically whenever the
boiler temperature falls below the set temperature.

Fig. 23: Safety thermostat reset button

To ensure your system operates properly, have it
professionally serviced once a year before the central
heating season begins.

Fig. 22: Burner reset button

13

Summary of Contents for Delta Classic

Page 1: ...NG AND SERVICING INSTRUCTIONS DELTA Classic Combination boiler with atmospheric burner ACV reserves the right to modality the technical specifications and components of its products without prior notice 664Y0100 05 11 2002 ...

Page 2: ...ooting 6 4 SERVICING 6 4 1 Recommendation 6 4 2 Servicing the gas boiler 6 4 3 Servicing the safety devices 6 4 4 Servicing the burner 7 4 5 Emptying the boiler 7 4 6 Spare parts 7 5 DESCRIPTION 8 5 1 Overview 8 5 2 Description of operation 8 5 3 Design features 9 6 TECHNICAL SPECIFICATION 10 6 1 Effective dimensions 10 6 2 Maximum operating conditions 10 6 3 Domestic hot water performance 10 6 4 ...

Page 3: ...ulations 2 2 2 CENTRAL HEATING CONNECTION 2 2 2 1 Examples of basic circuit configurations The drain valve and safety valve must be connected to the sewer drain 1 3 way manual motorisable mixer valve 2 Safety valve pre set to 3 bar with pressure gauge 3 Circulator 4 Non return valve 5 System filling valve 6 Expansion tank 7 Room thermostat 8 ACV 13 controller see controller kit page 5 9 Central he...

Page 4: ...Hot water expansion tank Installing a hot water expansion tank avoids any risk of pressure surges due to water hammer 2 2 3 4 Hot water circulation If the tank is situated a long way from the point of use then installing a closed return circuit can provide a faster supply of hot water always available 2 2 3 5 Description 1 Safety unit 2 Pressure reducer 3 Thermostatic mixing valve 4 Hot water circ...

Page 5: ...Orange N Black B Blue R Red T Green yellow 1 2 C L1 L1 N T1 T2 N T1 T2 S3 S3 N L1 230V 50 Hz 6A M R B B O B B O M M T N N 1O 11 9 2 8 7 3 6 1 12 2 4 1 3 5 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 bl n z br SQK 349 QAAD50 QAAD70 QAC32 QAD22 P1 B5 B9 B3 B2 P1 Y1 Y2 N B5 B9 B3 B2 B2 Water temperature detector B9 Outside temperature detector...

Page 6: ...in the boiler room by the electrician 2 1 3 3 2 5 4 7 1 8 6 4 1 RECOMMENDATION ACV advises that boilers should be serviced at least once a year The burner must be serviced and tested by a competent engineer 4 2 SERVICING THE GAS BOILER 1 Switch off the power at the mains switch outside the boiler and close the gas tap 2 Set the on off switch on the control panel to the OFF position 3 Release and r...

Page 7: ... When the boiler is empty return the isolating and safety valves to their initial positions 4 5 2 EMPTYING THE HOT WATER TANK 1 Switch off the mains power to the boiler at the external switch installed by the electrician 2 Relieve the pressure in the primary circuit 3 Close valves A and B 4 Open valves C and D first C then D 5 Let the water drain away 6 After emptying return the valves to their in...

Page 8: ... heating system or the domestic hot water system the thermostat starts the burner The combustion gases quickly heat up the primary fluid creating a natural circulation around the tank 5 2 2 DOMESTIC HOT WATER HEATED INDIRECTLY This circulation facilitates heat exchange between the primary fluid and the domestic water which takes place all over the tank surface The corrugations on the inner and out...

Page 9: ...ulation coefficient sprayed on without the use of CFCs 5 3 5 JACKET The boiler is covered by a steel jacket which has been scoured and phosphated before being stove enamelled at 220 C 5 3 6 BURNER DELTA Classic boilers are fitted with an atmospheric burner with elec tric ignition IMPORTANT When starting the burner for the first time and when servicing it refer to the technical instructions supplie...

Page 10: ...hot water performances G20 G25 G30 P30 Operating at 80 c Peak delivery at 40 C 6T 30 C litres 10 266 339 339 339 Peak delivery at 40 C 6T 30 C litres 60 820 1025 1151 1161 Continuous delivery 40 C 6T 30 C litres h 665 823 975 986 Operating at 80 c Initial heating time minutes 40 29 24 24 After draw off of 140 l à 45 C minutes 16 12 10 10 Specific delivery litres minutes 11 14 14 5 14 5 Results obt...

Page 11: ...point 11 G20 G25 G30 P30 Gas G20 20 mbar I E2 I 2E LL Burner pressure mbar 13 3 12 8 12 3 Flow rate m3 h 2 76 3 50 4 13 Gas G25 25 mbar I 2L Burner pressure mbar 13 4 13 4 13 4 Flow rate m3 h 3 10 3 88 4 50 Gas G31 37 50 mbar I 3P Burner pressure mbar 28 5 Flow rate m3 h 1 64 Injectorr Ø 1 100 mm 450 470 510 3x190 BE FR I E2 AT DK ES GB I 2H IT PT IE SE BE FR ES GB I 3P IE PT NL I 2L LU DE I 2ELL ...

Page 12: ...the temperature on the thermostat 1 to save energy If there is not enough hot water we recommend setting the thermostat 1 to its maximum value When the next heating season begins simply select Winter to reactivate the heating system 4 Thermometer item 4 Fig 21 Reads the temperature of the boiler primary circuit central heating directly 5 Regulator item 5 Fig 21 See the user instructions enclosed i...

Page 13: ...ights replace the cover If the burner is not working isolate the electricity supply before attempting to reset the safety thermostat 4 Remove the front panel of the casing and reset the safety thermostat positioned on top of the boiler Wait until the boiler temperature is below 60 C Then replace the casing front panel 5 If the burner lights replace the cover 6 If the fault persists notify the inst...

Page 14: ...NGLE TUBE PHASE III FREEWAY CENTER 1 TRIANGLE LANE BLACKWOOD NJ 08012 USA TEL 1 856 228 8881 FAX 1 856 228 3584 E MAIL sales triangletube com ARGENTINA TECNOPRACTICA ALFEREZ BOUCHARD 4857 1605 CARAPACHAY BUENOS AIRES TEL 54 11 47 65 33 35 FAX 54 11 47 65 43 07 E MAIL jchas tecnopractica com BRAZIL SIMETAL INDUSTRIA E COMERCIO DE FERRAMENTAS LTDA RUA GERSON ANDREIS 535 95112 130 CAXIAS DO SUL BRAZI...

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