Stimmen - 4, Durchschnittliche Bewertung: 3.5
(
)
)
|
Anleitung Zusammenfassung
2 Qualifications ............................................................ 2 Service Warning ....................................................... 2 Important Service Reminder..................................... 2 Instruction Manual .................................................... 3 Tools Required.......................................................... 3 INSTALLATION CONSIDERATIONS ............................. 4 Closed Water Systems ............................................. 4 Thermal Expansion................................................... 4 Air Requirements...................................................... 5 Contaminated Air...................................................... 5 Venting...................................................................... 6 Electrical Requirements............................................ 8 OPERATION & SERVICE............................................... 9 How it works ............................................................. 9 Blower..................................................................... 10 Burner......................................................................11 Venturi .................................................................... 14 Gas Valve ............................................................... 15 Gas Pressure Testing ............................................. 16 Air Pressure Switches ............................................ 18 Air Pressure Switch Operation ............................... 20 Air Pressure Switch Testing.................................... 21 Flame Sensing Test ................................................ 24 Igniter Current Test ................................................. 25 CONTROL SYSTEM..................................................... 26 Introduction............................................................. 26 UIM ......................................................................... 27 Discreet Menu - Contact Information ............... 28 Operating Set Point Adjustment ............................. 32 Control System Menus ........................................... 33 CCB ........................................................................ 35 Socket Identification......................................... 36 Wiring Diagram....................................................... 39 Sequence of Operation........................................... 40 TROUBLESHOOTING...................................................41 Rough Start - Rough Operation............13 and 41 Heater Status Menu..........................................33 Things to Check Before Servicing ....................41 Reset Procedure...............................................41 Control System Unresponsive.................................42 Blank Display....................................................42 UIM Inoperable.................................................42 Fault Messages.......................................................43 AC Reversed ....................................................43 Upper Probe Open............................................43 Upper Probe Short............................................44 Flame Probe Short............................................44 Flame Detect Error ...........................................45 Energy Cut Out (ECO)......................................45 Blocked Inlet.....................................................46 Blocked Exhaust Vent.......................................47 Blower Prover Failure.......................................47 Blower Prover Open - Blower Not Running......48 Blower Prover Open - Blower Is Running.........48 Low Igniter Current...........................................49 Ignition Failure..................................................50 Gas Valve Failure .............................................52 Communication Failure.....................................52 ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL INTRODUCTION This Service Manual is designed to be an aid in servicing and troubleshooting the 96% thermally efficient, 50 gallon, 100,000 Btu/hr residential and light duty commercial power vent - power direct vent model water heaters listed on the cover of this manual.The instructions, illustrations and procedures contained in this manual are used to verify proper operation and to diagnose and repair common service problems. This manual does not replace or supersede the Instruction Manual that came with the water heater. Always refer to the Instruction Manual that came with the water heater for complete installation instructions. If the Instruction Manual is not available copies can be obtained from the manufacturers web site or by calling the technical support phone number shown on the water heater labeling. QUALIFICATIONS - QUALIFIED SERVICE AGENT Servicing the products referenced in this manual requires the ability (in the field involved) equivalent to that ...