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TABLE OF CONTENTS
Introduction ........................................................................................................................................................... 6
Boiler Ratings & Capacities ................................................................................................................................... 7
Boilers For Use At High Altitude ........................................................................................................................... 8
Rules For Safe Installation And Operation ......................................................................................................... 10
Before Installing The Boiler................................................................................................................................. 10
A. Codes ..............................................................................................................................................................................................10
B. Boiler Sizing ..................................................................................................................................................................................11
C. Considerations For Boiler Location ...........................................................................................................................................11
D. Locating The Boiler ......................................................................................................................................................................12
E. Combustion Air And Vent Pipe Requirements ........................................................................................................................12
F. Condensate Drain Requirements ................................................................................................................................................13
G. Foundation Requirements ...........................................................................................................................................................14
H. Removal Of Existing Boiler From Common Vent System .....................................................................................................14
Placing The Boiler ................................................................................................................................................ 15
Near Boiler Piping ................................................................................................................................................ 15
A. Supply And Return Lines ............................................................................................................................................................15
B. Pressure Relief Valve ....................................................................................................................................................................19
C. Expansion Tank And Make-Up Water .......................................................................................................................................19
D. Condensate Drain Piping ............................................................................................................................................................22
E. Filling Condensate Trap With Water .........................................................................................................................................23
F. Chilled Water Piping .....................................................................................................................................................................23
Combustion Air and Vent Pipe ............................................................................................................................ 23
A. Connections And Termination ...................................................................................................................................................23
B. Installation .....................................................................................................................................................................................29
Gas Supply Piping ................................................................................................................................................ 29
A. Check Gas Supply .........................................................................................................................................................................29
B. Connecting The Gas Piping .........................................................................................................................................................30
C. Checking The Gas Piping ............................................................................................................................................................30
Electrical Wiring ................................................................................................................................................... 31
A. Electric Power Supply .................................................................................................................................................................31
B. Install Your Thermostat ................................................................................................................................................................32
C. Connect Circulator Pump Wiring ..............................................................................................................................................32
Controls and Accessories ..................................................................................................................................... 36
A. Integrated Boiler Control (IBC) ................................................................................................................................................36
B. Gas Control Valve ........................................................................................................................................................................36
C. Hot Surface Igniter ......................................................................................................................................................................36
D. High Limit Aquastat Control .....................................................................................................................................................36
E. Draft Inducer Temperature Safety Switch .................................................................................................................................36
F. Casting Temperature Safety Switch .............................................................................................................................................36
Содержание UB90-100
Страница 15: ...15 Near Boiler Piping Figure 2 Single Zone Boiler Piping ...
Страница 16: ...16 Figure 3 Multi zone Boiler Piping With Zone Valves Near Boiler Piping ...
Страница 19: ...19 Figure 6 Diaphragm Type Expansion Tank Piping Near Boiler Piping ...
Страница 20: ...20 Figure 7 Conventional closed type Expansion Tank Piping Near Boiler Piping ...
Страница 27: ...27 Combustion Air and Vent Pipe Figure 11 Combustion Air and Vent Piping ...
Страница 32: ...32 Electrical Wiring Figure 13 Field Wiring Connections ...
Страница 53: ...53 DETAILED SEQUENCE OF OPERATION ...
Страница 57: ...57 TROUBLESHOOTING CHART 2 TROUBLESHOOTING ...
Страница 58: ...58 TROUBLESHOOTING CHART 3 TROUBLESHOOTING ...
Страница 60: ...60 TROUBLESHOOTING CHART 5 TROUBLESHOOTING ...
Страница 63: ...REPAIR PARTS Model No UB90 50 UB90 75 UB90 100 UB90 50 100 GAS FIRED DIRECT VENT CONDENSING HOT WATER Boiler ...
Страница 64: ...64 20 3 5 TYP OF 4 6 11 8 9 10 13 15 16 2 12 1 21 17 18 18 4 19 7 A Jacket and Base Assembly Repair Parts ...
Страница 72: ...P O Box 4729 Utica NY 13504 4729 ...