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Инструкция по эксплуатации Thomas & Betts, модель RZ-NA 441-OMS

Производитель: Thomas & Betts
Размер: 1.28 mb
Название файла: 8d31c42c-199c-451b-9e11-edb927d9d5f5.pdf
Язык инструкции:en
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Фрагмент инструкции


2 Maintenance Schedule ................... 2 1A. Blower Bearings .............................. 3 1B. Blower Belts ................................... 3 2. Filters ................................................. 3 3. Manifold Gas Pressure ...................... 3 4. Air Pressure ....................................... 4 5. Circuit Indicator Board (check lights) 4 6. Main Burner and Pilot Assembly ...... 4 OPERATION/SERVICE SECTION ................... 5-15 Controls - Location ....................... 5 7. Electronic Circuit Board with Diagnostic Lights.............................. 5 TABLE OF CONTENTS Page 8. Temperature Limit Safety Controls ... 5 •Manual Reset Limit Control ........... 5 •Emergency Cut Off Limit Control .. 6 9. Air Pressure Switches ........................ 6 •Low Air Flow Switch ...................... 6 •High Air Flow Switch ...................... 6 •Bypass Damper (Optional) Air Flow Switches ................................ 6 10. Ignition System ................................ 6 11. Gas Train Including Direct-Fired Burner, Gas Control Systems, Manifold Arrangements and Gas Pressure Switches ............................. 7 •Direct-Fired Burner ........................ 7 •Makeup Air Gas Control Systems .. 7 •Electronic Modulation Gas Control Options AG30, AG31, AG32, AG33, AG35, AG36 ...................... 7 •Electronic Modulation Gas Control Option AG37 ................................. 7 Page •Manifold Arrangements ................. 8 •Gas Pressure Switches .................... 8 12. Outside Air Ambient Cutoff ............ 8 13. Door Switch ..................................... 9 14. Inlet Air Controls ............................ 9 •Air Flow Dampers ........................... 9 •Damper Motor ................................. 9 •Potentiometer .................................. 9 •Pressure Null Switch ....................... 9 •Photohelic Pressure Switch ........... 10 15. Dirty Filter Switch ......................... 10 16. Photoelectric Smoke Detector ....... 10 17. Firestat ........................................... 10 18. Freezestat ....................................... 10 19. Troubleshooting ............................. 11 Chart 1 - General Troubleshooting Guide (Check the diagnostic lights on the circuit board) Index ................................................... 12 References: Installation Manual, Form RZ 441 Replacement Parts Manual, Form RZ 741 FOR YOUR SAFETY WARNING: The use and storage of gasoline or other flammable vapors and liquids in the vicinity of this appliance is hazardous. If you smell gas: 1. Open windows. 2. Don't touch electrical switches. 3. Extinguish any open flame. 4. Immediately call your gas supplier. WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury or death. Read the installation, operation, and maintenance instructions thoroughly before installing or servicing this equipment. KEEP THIS BOOKLET FOR MAINTENANCE AND SERVICE REFERENCE. Operating/Maintenance/Service Instructions The information in this manual applies to Model Series DV, di- rect-fired heating/makeup air systems. As with any gas burning equipment, regular maintenance procedures are required to ensure continued safety, reliability and efficiency of the installation. If service is required, this system should be serviced only by a qualified service person. Service information in this booklet is intended as a guideline for a qualified gas-fired equipment service person. Mfg No. 161442 Page 1 DANGER: The gas burner in this direct gas-fired system is designed and equipped to provide safe and economically controlled complete combustion. However, if the installation does not permit the burner to receive the proper supply of combustion air, complete combustion may not occur. The result is incomplete combustion which produces carbon monoxide, a poisonous gas that can cause death. Always comply with the combustion air requirements in the installation codes and operating instructions. The amount of air over the burner must be within the specified range. The burner profile plates are set at the factory to match CFM requirements. Do not adjust the burner profile plates without contacting the factory. FAILURE TO PROVIDE PROPER COMBUSTION AIR CAN RESULT IN A HEALTH HAZARD WHICH CAN CAUSE PROPERTY DAMAGE, SERIOUS INJURY, AND/OR DEATH. Direct- fired installations should provide for air changes as required by the applicable installation codes. Maintenance Section This direct-fired makeup air system is designed to require only a minimum amount of maintenance. Some maintenance procedures outlined in this Section require inspection only and some require action. Frequency requirements of each maintenance procedure are listed in the Maintenance Schedule. Depending on the environment and the number of operating hours, more frequent inspection and/or cleaning may be required to certain components. Although maintenance requirements are minimal, t...


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