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Производитель: Raypak
Размер: 1.26 mb
Название файла:
Язык инструкции:
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Фрагмент инструкции
· If other gas fired equipment in the room and on same gas main, check gas pressures on ADB with them running. Remember supply gas should always be between 7. and 14" W.C. · Check thermostat control for ON/OFF operation; · Check safety Hi Limits for ON/OFF operation; · While in operation inspect flow switch; · Check the low gas pressure switch, it is factory set at 6" W.C. for natural gas; · High gas pressure switch (optional) at 1" W.C. above manifold pressure; · Insert ignition control lockout test as safety check. 61 3.5 Follow-up . Safety checks must be recorded as performed; . Turn unit on; . After main burner ignition. Check Manometers for proper readings; . Verify that the blower shutter is locked; . Cycle unit several times and recheck readings; . Re-analyze with unit running record or print results; . Turn unit off, remove all Manometers and replace blower switch hose, replace all gas pressure caps and plugs; . Check for gas leak one more time; . Check around unit for debris and remove combustible and flammable products, i.e. paper, gasoline etc. SECTION P: POST START-UP CHECK Check off steps as completed: 1. Boiler and heat distribution units or storage tank filled with water? 2. Automatic air vent, if used, open two full turns during venting procedure? 3. Air purged from system? 4. Air purged from gas piping? Piping checked for leaks? 5. Followed start-up procedure for proper start-up? 6. Is burner flame visible? 7. Test safety controls: If boiler is equipped with a low water cutoff or additional safety controls, test for operation as outlined by manufacturer. Burner should be operating and should go off when controls are tested. When safety devices are restored, burners should reignite after pre-purge time delay. 8. Test limit control: While burner is operating, move indicator on high limit control below actual boiler water temperature. Burner should go off while blower circulator continues to operate. Raise setting on limit control above boiler water temperature and burner should reignite after pre-purge time delay. 9. Test ignition system safety device: . Turn power off. . Close the pilot manual valve. . Turn power on; after about 45 seconds of pre-purge, the pilot comes on. The pilot (and therefore the burner) should fail to light. The standard lockout time is 90 seconds; then the pilot light goes off and the boiler goes into post-purge. (If the lockout module is attached to boiler, a lockout light comes on.) . Turn the power off; open the pilot manual valve; (reset the lockout module if applicable). . Wait 30 seconds, then turn power on. The burner should ignite after pre-purge time delay. 10. To restart system, follow lighting instructions in Section O. 11. High limit control set to design temperature requirements of system? For multiple zones: flow adjusted as required in each zone? 12. Boiler cycled with thermostat? Raise to highest setting and verify boiler goes through normal start-up cycle. Reduce to lowest setting and verify boiler goes off. 13. Observed several operating cycles for proper operation? 14. Set room thermostat or tankstat to desired temperature? 15. Reviewed all instructions shipped with this boiler with owner or maintenance personnel, returned to envelope and given to owner or placed in pocket inside front panel on boiler? 62 SECTION Q: OPERATION OPERATING INSTRUCTIONS Lighting Instructions 1. STOP! Read the safety information first. 2. Set the thermostat to the lowest setting. 3. Turn off all electric power to the appliance. 4. This appliance is equipped with an ignition device which automatically lights the burner. Do Not try to light the burner by hand. 5. Remove upper front panel. 6. Turn on main manual gas valve and pilot manual gas valve. 7. Wait five (5) minutes to clear out any gas. Then smell for gas, especially near the floor. If you then smell gas. STOP! Follow the steps in the safety information. If you do not smell gas, go to next step. 8. Turn on all electric power to the appliance. 9. Set thermostat to desired setting. The appliance will operate. The pilot burner will light after the pre-purge time delay (45 seconds). Then the pilot will light the main burner. 10. If the appliance will not operate, follow the instruction "To Turn Off Gas To Appliance", and contact a qualified service technician. 11. Replace upper front panel. TO TURN OFF GAS TO APPLIANCE 1. Set the thermostat to lowest setting. 2. Turn off all electric power to the appliance if service is to be performed. 3. Remove upper front panel. 4. Turn off main manual gas valve and manual pilot gas valve. 5. Replace access panel. If boiler fails to start, check for: • Loose connections, blown fuse or service switch off? • High temperature limit switch set below boiler water temperature? • Thermostat set below room temperature? • Gas not turned on at meter or boiler? • Incoming dynamic gas pressure less than 6" W.C. for Natural gas, 10" W.C. for Propane? 63 SECTION R: MAINTENANCE SUGGESTED MINIMUM MA...
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