Heat Wise SU-2A Скачать руководство пользователя страница 14

 

14 

 

ITEM 

PART  

PART # 

ITEM 

PART  

PART # 

Blast Tube 

 

11728410 

16 

Cover Plate - Air 

Regulation 

11887001 

Flange Gasket  

 

10195-1 

16A 

Cover Plate - Nozzle 

Line 

11887301 

Adjustable Flange 

10195 

17 

Scale - Nozzle Line 

 

11888101 

Front piece - Housing 

 

17A 

Scale - Air Regulation 

 

11887801 

Rear piece – Housing 

 

 

18 

24 Volt Transformer 

2440VA 

Fan Wheel 

 

11417601 

19 

Safety Control 

2466H or 

S89F 

1/6 HP PSC Blower motor 

 

D82132 

20 

Plastic Cover  Plate 

11850001 

Shielding Plate Housing 

 

 

21 

Screw (Long Special) 

11750702 

Outside Air Boot 

 

11859107 

22 

Airflow Switch 

Honeywell/Tridelta 

6041A 

9A 

Silencer 

 

11879302 

23 

Ignition Electrode 

115 34708 

10 

Air Regulation Plate 

 

11851001 

24 

Flame Rod 

115 34707 

11 

Air Damper  

 

11852201 

25 

Retention head  

119 39701 

12 

Air Regulation Adjustment screw 

 

11848501 

26 

Union 

1139101 

13 

Adjustment Screw – Nozzle Line 

 

11912901 

14 

Ionization Cable 

 

11865805 

 

27 

 

Gas Valve 

VR 8205A 

2008 or  

VR 8305 P

 

15 

Ignition Transformer (cable included) 

2709 or 

5SAY 

28 

Brass orifice 

12299 

 

 

 

Содержание SU-2A

Страница 1: ...all the fire department A qualified installer service agency or the gas supplier must perform installation and service All installations must be made in accordance with all state and local codes which may differ from instructions in this manual The installer should inform and demonstrate to the user the correct operation and maintenance of the appliance The installer shall also inform the user of ...

Страница 2: ...O2 or CO2 by the dial located on top of the burner housing which allows the air to flow more or flow less within the burner Two electrodes act as a sparker and a flame rod See Fig 1 Flame rectification by this flame rod monitors the continued presence of the burner flame With three trials for ignition consistency with Fenwal control trouble free safe operation is achieved Warning Should overheatin...

Страница 3: ...oper operation of the burner AIR FOR COMBUSTION If the boiler or furnace room is unusually tight or if the house has a ventilation fan it is recommended that the combustion air be supplied to the furnace room through intakes from the outside of the building The intakes must terminate facing down in order to avoid obstruction from rain snow leaves etc Openings must have one square inch of free area...

Страница 4: ...s such as tree limbs other buildings etc which may cause a down draft The chimney should be lined as required by the local Gas Company or local codes Some utilities require new chimney liners for all gas installations Use a corrosion resistant chimney liner approved for gas service of the same size as the vent pipe Fig 2 Chimney and Fresh Air Dimensions ...

Страница 5: ...stalled is a conversion burner use a prefabricated chamber or build a firing chamber that can withstand 2000o F See Chart 2 on page 3 Measure the boiler or furnace mounting plate to determine the flame tube insertion required Deduct from the total length and tighten the flange on the flame tube with the deducted insertion depth The deduction will prevent the tip of the flame tube from burning off ...

Страница 6: ...e blast tube into the boiler to the proper depth and tighten the two setscrews using a 4 mm allen key Seal off any free openings with either high temperature cement or high temperature silicone Picture 2 BODY FLANGE picture to the left First install the gasket and boiler flange to the boiler For heat exchangers with a diamond stud pattern one allen screw on the flange should be on the top slightly...

Страница 7: ...tate codes 3 A gas union 4 A drip pipe Caution The gas valve should not be subjected to more than PSIG Therefore the burner should be isolated during high pressure gas leak tests The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of psig The appliance must be isolated from the...

Страница 8: ...t 3 5 W C for Nat Gas BTU Manifold Pressure at 2 3 W C for L P BTU Approximate Head Setting Approximate Air Setting 5 32 0 156 50 000 50 000 21 0 3 16 0 188 80 000 80 000 18 2 7 32 0 219 90 000 90 000 12 6 15 64 0 234 122 000 122 000 18 14 9 32 0 281 146 000 146 000 14 11 19 64 0 297 160 000 160 000 10 10 27 64 0 422 200 000 200 000 3 15 1 2 no orifice 250 000 250 000 1 20 Assumes 0 to 0 02 Draft ...

Страница 9: ... carrying lines do not power this Sometimes T T terminals are jumped with a wire nut for burners not set for post purge 3 Burner motor starts and pre purge begins 4 Burner housing pressurizes and proves air flow contacts closed Note if the contacts are closed before the motor starts blower motor runs continuously Diagnostic light flashes once every 3 seconds 5 At the end of pre purge ignition spar...

Страница 10: ...e spark is energized for 4 seconds At the same time the 24 Volt transformer powers the gas valve allowing the fuel to flow 5 Within 4 seconds the flame should be established and proved The spark will shut off and the control will hold power to the gas valve until the limits open and the burner stops firing 6 If the flame is not established the blower motor continuously runs 7 To restart power shou...

Страница 11: ...ms install manometers before and after the gas valve Keep the observation port of the boiler or furnace open Follow the instructions on the nameplate of the burner to turn it on Follow the sequence of operations for the control see pages 9 and 10 Use a combustion analyzer and record the readings below BURNER OPERATION Record the Readings at Steady State Draft over fire at steady state should be 0 ...

Страница 12: ... compensate for backpressure in the combustion area up to 0 3 W C Caution If this is the case the flange and the combustion chamber should be completely sealed This pressure firing decreases as the firing rate increases See Graph 1 Note the burner should be adjusted while it is firing Graph 1 Chamber Pressure versus Firing Rate BTU 0 00 0 05 0 10 0 15 0 20 0 25 0 30 0 35 50 000 100 000 150 000 200...

Страница 13: ...Polarity reversed Check power feed for broken polarity Bad earth grounding Fix the ground wire Gas pressure is too low Check the gas pressure and adjust to proper pressure 3 Pulsation at start First check the burner head location with respect to the end of the flame tube Adjust as necessary Gas pressure is too high Use manometer and readjust the pressures Blocked Flue Check draft and clear flue of...

Страница 14: ...Blower motor D82132 20 Plastic Cover Plate 11850001 8 Shielding Plate Housing 21 Screw Long Special 11750702 9 Outside Air Boot 11859107 22 Airflow Switch Honeywell Tridelta 6041A 9A Silencer 11879302 23 Ignition Electrode 115 34708 10 Air Regulation Plate 11851001 24 Flame Rod 115 34707 11 Air Damper 11852201 25 Retention head 119 39701 12 Air Regulation Adjustment screw 11848501 26 Union 1139101...

Страница 15: ...e user should do periodic visual checks of the burner and the flame 3 Laundry lint or dog and or cat hairs should not go inside the blower If they are seen they should be removed after disconnecting the power to the burner and cover parts should be installed before starting the burner 4 Keep the area around the conversion burner clear and free from combustible materials gasoline and other flammabl...

Страница 16: ...16 ...

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