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Thermific

Gas-Fired Boiler

Parts/Technical Support

Page 40

6.2.3 Gas Train

IRI

No. Part

1 Main Gas, Valve (Diaphragm)

2 Low Gas Pressure Switch
3 Main Gas, Regulator

4 Main Gas, Shut-off Cock
5 Pilot, Solenoid Valve

6 Pilot,

Regulator

7 Pilot, Shut-off Cock

8 High Gas Pressure Switch
9 Main Gas, Valve Body

10 Main Gas, Valve Actuator
11 Vent Valve, Gas

12 Lo-Hi-Lo, Valve Body

13 Lo-Hi-Lo, Valve Actuator

Содержание Thermific

Страница 1: ...13 CSA 4 9 Gas Fired Low Pressure Steam and Hot Water Boilers ASME Code Section IV Certified by Patterson Kelley C S A Design Certified Complies with ANSI Z21 13 CSA 4 9 Gas Fired Low Pressure Steam a...

Страница 2: ......

Страница 3: ...1 3 7 2 Gas Bleeds and Vents 11 3 8 Boiler Water Piping 11 3 8 1 Piping Design 11 3 8 2 Boiler Inlet and Outlet Connections 12 3 8 3 Boiler Water Piping by Installer 12 3 8 4 Flushing and Filling 13 3...

Страница 4: ...241 WARNING It is essential to read understand and follow the rec ommendations of this manual before installing operat ing or servicing this equipment Failure to do so could result in fire or explosio...

Страница 5: ...ermific gas fired boiler must be Installed by qualified personnel in accordance with designs prepared by qualified facility engineers in cluding structural mechanical electrical and other applicable d...

Страница 6: ...HCS Inc 800 748 0241 Reorder No 5025 V1WHPK Follow lockout tagout procedure when servicing this boiler Electrical hazard Shock hazard Properly lockout tagout the electri cal service and all other ener...

Страница 7: ...es not exceed 14 inches W C to the regula tor Overfire hazard Possible fire and explosion Possible malfunction of regulators and or motor ized gas valves Maintain all gas train components in good cond...

Страница 8: ...y relief valve for proper operation Do not operate boiler with faulty relief valve 2 5 6 Slip Fall Hazards Improper use may result in fire or injury Read instructions safety manual before installing o...

Страница 9: ...13 CSA 4 9 latest edition Gas Fired Low Pressure Steam and Hot Water Boilers The heat exchanger is constructed and stamped in accordance with ASME Boiler and Pres sure Vessel Code Section IV for 160...

Страница 10: ...4 24 Non combustible Sur faces 30 24 24 24 C dimension includes clearance to remove the burner Do not put pipes ducts etc in this area above the boiler CSA minimum Actual clearance depends upon stacki...

Страница 11: ...10 square inches It is to be located at the highest practi cal point communicating with outdoors If air is taken directly from outside the building each opening should have a net free area of 1 square...

Страница 12: ...or specific installation requirements 2 The damper may be located in either side of the horizontal section of stack 3 In a multiple boiler installation one barometric damper must be installed with eac...

Страница 13: ...e at maximum speed Do not operate a summer ex haust fan Close fireplace dampers 4 Place the appliance being inspected in operation Follow the lighting instructions Adjust the ther mostat so that the a...

Страница 14: ...CGA B 149 Note See chart below for required pipe size based on overall length of pipe from meter plus equivalent length of all fittings Approximate sizing may be based on 1 cubic foot of natural gas...

Страница 15: ...leed vents and vent the diaphragm gas valves to outdoor air field piping Gas Vents by Installer Note Provide a drip leg as shown in the vent line All vent lines should be pitched up at all times to pr...

Страница 16: ...rongly recommended Even new systems may contain sufficient foreign material to eventually reduce the performance of the heat ex changer Adequate circulation of good clean water is essential to maximum...

Страница 17: ...t is properly positioned to ignite the main burner 3 10 PRE START CHECK LIST Before attempting to start the boiler make sure the following items have been completed 1 Flue gas from the boiler is prope...

Страница 18: ...the switch can be checked by first turning the boiler off and then turning the system pump off stopping water flow in the system After turning off the pump turn the boiler back on It should not oper...

Страница 19: ...ure reference Programming Worksheet Stage 1 SetPt 1 Ta On at Tb Diff 1 Tdl Off at Ta Stage 2 SetPt 2 Tb On at Tc Diff 2 Td2 Off at Tb Select Set Enter Lo Hi Lo Operating Temperature Controller To adju...

Страница 20: ...is required follow manufacturers instructions and pre set the Lo fire set ting of the actuator the same as the original actuator This must be performed by qualified service person nel To adjust gas p...

Страница 21: ...of rated input Fuel adjustments for proper fuel input are made first at the gas pressure regulator with the valve actuator in the Hi fire position Lo fire fuel adjustments are made second with the val...

Страница 22: ...definite stop screw until it touches the defi nite stop and lock it with the nut Note Do not utilize the Hi fire definite stop screw to adjust Hi fire air on Lo Hi Lo models Lo fire adjustments are ma...

Страница 23: ...1 13 CSA 4 9 latest edition See Factory Firetest label 4 2 LIGHTING AND SHUT DOWN PROCEDURES Do not use this boiler if any part has been under water Immediately call a qualified service technician to...

Страница 24: ...LER OPERATING CONDITIONS Natural Gas 1030 Btu cu ft LP Gas 2500 Btu cu ft Model Number Input Rating Btu hr Gas Rate CFH Manifold Pressure in W C Output Capacity Btu hr Gas Rate CFH Manifold Pressure i...

Страница 25: ...ment in the combus tion is necessary the flue gas composition should be checked with a carbon dioxide CO2 or oxygen O2 analyzer to set conditions for about 50 excess air 5 1 3 Monthly During Operation...

Страница 26: ...mbustion analysis 5 2 CLEANING THE BURNER 1 Close pilot and main gas cocks 2 Turn off the electric current to the boiler 3 Remove the top cover of the boiler 4 Disconnect the electrode wire 5 Disconne...

Страница 27: ...f this boiler are specifically de signed to indicate the sequence of operations and the cause of common problems Careful observation of indicators should provide a guide to most operational conditions...

Страница 28: ...ater temperature is reduced by the load on the system the operating control switch will close again The operating sequence will recycle to step 5 provided that the limits on water flow gas pressure an...

Страница 29: ...a safety lockout occurs Flame Failure In the event of a flame failure during a firing period the main fuel valves are de energized and the pro grammer immediately returns to Step 7 or goes into a loc...

Страница 30: ...ey by calling 570 421 7500 or 877 728 5351 Ask for the Heat Transfer Department The fax number is 570 476 7247 Refer to the parts list shown on the assembly drawing provided with this manual Technical...

Страница 31: ...this Section 6 1 1 On Off On Off Wiring Diagram page 28 On Off Logic Diagram 29 6 1 1a On Off IRI On Off IRI Wiring Diagram 30 On Off IRI Logic Diagram 31 6 1 2 Lo Hi Lo Lo Hi Lo Wiring Diagram 32 Lo...

Страница 32: ...Thermific Gas Fired Boiler Parts Technical Support Page 28 6 1 1 On Off On Off Wiring Diagram...

Страница 33: ...Thermific Gas Fired Boiler Parts Technical Support Page 29 On Off Logic Diagram...

Страница 34: ...Thermific Gas Fired Boiler Parts Technical Support Page 30 6 1 1a On Off IRI On Off IRI Wiring Diagram...

Страница 35: ...Thermific Gas Fired Boiler Parts Technical Support Page 31 On Off IRI Logic Diagram...

Страница 36: ...Thermific Gas Fired Boiler Parts Technical Support Page 32 6 1 2 Lo Hi Lo Lo Hi Lo Wiring Diagram...

Страница 37: ...Thermific Gas Fired Boiler Parts Technical Support Page 33 Lo Hi Lo Logic Diagram...

Страница 38: ...Thermific Gas Fired Boiler Parts Technical Support Page 34 6 1 2a Lo Hi Lo IRI Lo Hi Lo IRI Wiring Diagram...

Страница 39: ...Thermific Gas Fired Boiler Parts Technical Support Page 35 Lo Hi Lo IRI Logic Diagram...

Страница 40: ...Thermific Gas Fired Boiler Parts Technical Support Page 36 6 1 3 Water Cut Off On Off Low Water Cut Off Diagram...

Страница 41: ...Thermific Gas Fired Boiler Parts Technical Support Page 37 Lo Hi Lo Low Water Cut Off Diagram...

Страница 42: ...hanger 10 Blower Damper inside cabinet 11 Pressure Relief Valve 100 PSI 12 Water Flow Switch 13 Blower Motor 14 Blower Housing No Part 15 Blower Wheel 16 Press Temp Gauge w 100 PSI relief valve 17 Dam...

Страница 43: ...Junction 7 Terminal Block Power 8 Flame Safeguard Programmer 8a Amplifier Flame Rod Amplifier UV Scanner 8b Timing Card 10 sec 8c Timing Card 30 sec 9 Programmer Sub Base 10 Switch On Off No Part 11...

Страница 44: ...12 No Part 1 Main Gas Valve Diaphragm 2 Low Gas Pressure Switch 3 Main Gas Regulator 4 Main Gas Shut off Cock 5 Pilot Solenoid Valve 6 Pilot Regulator 7 Pilot Shut off Cock 8 High Gas Pressure Switch...

Страница 45: ...12 11 9 10 IC EC EC No Part 1 Exterior Cabinet Assy 2 Exterior Cabinet Door 3 Exterior Cabinet Top 4 Sight Glass 5 Sight Glass Bezel 6 Combustion Chamber Assy 7 Combustion Chamber Door 8 Combustion C...

Страница 46: ...es available to Buyer set forth herein are exclusive remedies and all other remedies statutory or otherwise including but not limited to the right of redhibition are waived by the buyer Buyer acknowle...

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