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10

5 - CONNECTING SUPPLY AND RETURN PIPING

EXPANSION

TANK

CHECK

VALVE

B

D

FEED

WATER

C

RETURN PIPING

FROM HEATING

AND COOLING

ELEMENT

WATER

CHILLER

SUPPLY PIPING

TO HEATING

AND COOLING

ELEMENT

CIRCULATOR

A

PRESSURE

REDUCING

VALVE

PROPER

BACKFLOW

PROTECTION

DEVICE

GATE

VALVE

PURGE

VALVE

NOTICE

Circulators in following illustrations are mounted on

system supply side, mounting on system return side

is also acceptable practice.

Figure 2 - Circulators Mounted on Supply

System, Boiler Used In Configuration to Chiller System.

See Special Conditions, Page 8

P/N 240011107, Rev. D [04/04/2017]

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Содержание Utica Heating UH15B Series

Страница 1: ...www ecrinternational com Models UH15B045FE UH15B070FE UH15B096FE UH15B120FE UH15B145FE UH15B170FE UH15B195FE UH15B245FE UH15B295FE UH15B Cast Iron Gas Fired Boilers For Forced Hot Water INSTALLATION O...

Страница 2: ...above sea level United States over 2000 ft 610m above sea level Reduce input rate 4 for every 1 000 ft 304m above sea level 2 Net AHRI Water Ratings shown based on piping and pickup allowance of 1 15...

Страница 3: ...6 1 UH15B120 19 9 6 29 217 16 57 16 1 UH15B145 19 9 6 29 217 16 57 16 1 UH15B170 22 113 16 7 30 2115 16 515 16 1 UH15B195 22 113 16 7 30 2115 16 515 16 1 UH15B245 26 136 16 8 31 227 16 615 16 1 UH15B2...

Страница 4: ...ing Diagram 18 12 Lighting Instructions 20 13 Normal Sequence of Operation 21 14 General Instructions 21 15 Checking Gas Input Rate To Boiler 23 APPENDIX A CONTROL MODULE A 1 Installation Environment...

Страница 5: ...NCE WARNING Keep boiler area clear and free from combustible materials gasoline and other flammable vapors and liquids DO NOT obstruct air openings to the boiler room Modification substitution or elim...

Страница 6: ...rain etc during appliance operation and service circulator replacement condensate trap control replacement etc 6 Locate boiler on level solid base as near chimney as possible and centrally located wi...

Страница 7: ...filtration rate is less than 0 40 air changes per hour See Table 3 for space with boiler only Use equation for multiple appliances Volume 50 ft3 x Total Input Mbh Known Air Infiltration Rate See Table...

Страница 8: ...han 3 time safety relief valve pressure settings Do not install shutoff valve between boiler and safety relief valve Systems with automatic fill valves require back flow prevention device Install disc...

Страница 9: ...wable safe point of discharge be of pipe size equal to or greater than that of the relief valve outlet over the entire length of discharge line have no intervening shutoff valve between safety relief...

Страница 10: ...T CIRCULATOR A PRESSURE REDUCING VALVE PROPER BACKFLOW PROTECTION DEVICE GATE VALVE PURGE VALVE NOTICE Circulators in following illustrations are mounted on system supply side mounting on system retur...

Страница 11: ...e Bypass Piping Options Page 8 BOILER WATER INLET ALTERNATE CIRCULATOR LOCATION TO SYSTEM FROM SYSTEM CIRCULATOR SHUT OFF VALVE PRESSURE REDUCER VALVE CHECK VALVE BALL VALVE 3 WAY MIXING VALVE AIR SEP...

Страница 12: ...12 5 CONNECTING SUPPLY AND RETURN PIPING Figure 5 Single Zone System With DHW Priority Figure 6 Multi Zone System with Circulators and DHW Priority P N 240011107 Rev D 04 04 2017...

Страница 13: ...NG SUPPLY AND RETURN PIPING Figure 7 Multi zone System With Zone Valves And DHW Priority With Circulator Figure 8 Multi zone System With Zone Valves And DHW Priority With Zone Valve P N 240011107 Rev...

Страница 14: ...ion of the common venting system the common venting system should be re sized to approach the minimum size determined using the appropriate tables in Chapter 13 of the National Fuel Gas Code ANSI Z223...

Страница 15: ...atch total current draw of all controls associated with boiler during heating cycle 8 VENT DAMPER INSTALLATION INSTRUCTIONS Figure 9 Damper Installation Figure 10 Damper Location NOTE Refer to Figure...

Страница 16: ...ing with hooks straps bands brackets hangers or building structure components to prevent or dampen excessive vibrations and prevent strain on gas connection Boiler will not support piping weight Use t...

Страница 17: ...ctor Use low voltage harness 2 Vent damper connection 3 Circulator connection 4 Line power connections 5 Thermostat connection See wiring diagrams on the following two pages for details Thermostat Ins...

Страница 18: ...2 Integrated High Limit Electronic Ignition Control WARNING Modification substitution or elimination of factory equipped supplied or specified components may result in personal injury or loss of life...

Страница 19: ...19 11 WIRING DIAGRAM Figure 13 Integrated High Limit Electronic Ignition Control P N 240011107 Rev D 04 04 2017...

Страница 20: ...ff Gas To Appliance and call qualified service technician or your gas supplier TO TURN OFF GAS TO THE APPLIANCE 1 Set the thermostat to lowest setting 2 Turn off all electric power to the appliance if...

Страница 21: ...ve them repaired immediately Check and maintain circulators Refer to circulator manufacturer s instructions Inspect venting system at the start of each heating season Check vent pipe from boiler to ch...

Страница 22: ...ns of corrosion rust or scale buildup Area around boiler must be kept clear and free of combustible materials gasoline and other flammable vapors and liquids Free flow of combustion and ventilating ai...

Страница 23: ...necessary therefore air shutters are not furnished as standard equipment Air shutters can be furnished on request where required by local codes or conditions CHECK SAFETY CONTROL CIRCUIT Ignition sys...

Страница 24: ...during transit Check sensing bulb is fully inserted in well and is not loose Verify vent damper connection is made See page 15 A 3 Adjusting Settings To discourage unauthorized changing of settings pr...

Страница 25: ...is open a switch closes to do this The control is waiting for this to occur This may last up to one minute If the vent damper switch has not closed after one minute ERR 55 will be displayed e 17 Diag...

Страница 26: ...re the only two 2 hard lockouts on this model m 15 Wait for limit to close One of the safety limits rollout vent spill or low water cutoff has been activated Control will resume normal operation once...

Страница 27: ...y On retry models wait for retry or reset at thermostat Check for correct installation and wiring before replacing any component Control module cannot be repaired If it malfunctions it must be replace...

Страница 28: ...providing expected reading 1 Check sensor is plugged into control board 2 Check sensor wiring is not damaged 3 Scroll display reading to bt and hold sensor bulb securely in you hand It should read a t...

Страница 29: ...095 1 Check gas valve gas supply 2 Check all electrical connections are tight 3 Check pilot rod is clean 4 Check for adequate draft 5 Check for adequate combustion air 64 Soft Lockout Internal failure...

Страница 30: ...is required for module and pilot burner igniter sensor Check for good metal to metal contact between pilot burner bracket and the main burner Check ground lead from GND BURNER terminal on module to pi...

Страница 31: ...eck for cracked ceramic insulator which can cause short to ground and replace igniter sensor if necessary At gas valve disconnect main valve wire from MV terminal Turn on power and set thermostat to c...

Страница 32: ...AC volts 24 volts should be present i IF NOT source of the problem is not in damper check line voltage and 24 volt supply ii If 24 volts is present across brown and black continue to step iii iii Rec...

Страница 33: ...e Cause Recommended Solution NO POWER Between 4 1 1 Off on limit 120VAC 2 Bad transformer 3 Loose or broken connections 4 Blown fuse or circuit breaker 5 Disconnect switch off 6 Harness not plugged in...

Страница 34: ...the obstruction 2 Restore to damper pipe to round verify not binding 3 Correct the condition Damper Rotates Continuously 1 Defective damper motor assembly 1 Replace damper motor assembly Note For tro...

Страница 35: ...35 Company Address Phone Company Name Tech Initials Service Performed Date SERVICE RECORD P N 240011107 Rev D 04 04 2017...

Страница 36: ...pped with an override which is provided primarily to permit the use of an external energy management system that serves the same function THIS OVERRIDE MUST NOT BE USED UNLESS AT LEAST ONE OF THE FOLL...

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