Crown Boiler BWF Series Скачать руководство пользователя | Manualshive

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Содержание BWF Series

Страница 1: ...ry or loss of life For assistance or additional information consult a qualified installer service agency or the gas supplier Read these instructions carefully before installing BWF CWD Series Gas Fired Induced Draft Hot Water Boilers Installation Supplement for boilers equipped with honeywell s9361A integrated boiler control These instructions must be affixed on or adjacent to the boiler D E S I G...

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Страница 3: ...ures Ability to operate two circulator zones without additional controls Optional 24 volt low water cut off kit 761000 that plugs directly into this control system LED readout of boiler status B How to use this Supplement All information and Warnings in the original manual still apply EXCEPT for the following Information in this manual completely replaces Section IX Wiring in the original manual a...

Страница 4: ...boiler itself are made inside the junction box on the right side of the boiler 120VAC connections are Ground 120VAC Hot Black 120VAC Neutral White Heating Circulator Hot Red Heating Circulator Neutral White DHW Circulator Hot Blue DHW Circulator Neutral White The use of the Circulator outputs are as follows also refer to the Piping Section Heating Circulator Pumps water upon a call for heat CH fro...

Страница 5: ... If such a power source is present it could destroy the boiler s control One example of an external power source that could be inadvertently connected to the low voltage connections is a transformer in old thermostat wiring Do not attempt to use EnviraCOM connections for any purpose not explicitly permitted by Crown Boiler Company Attempting to do so may result in unreliable operation and or damag...

Страница 6: ...4 FIGURE 9 2 INTERNAL CONNECTIONS DIAGRAM ...

Страница 7: ...5 FIGURE 9 3 LADDER DIAGRAM ...

Страница 8: ...t status of the boiler A list and description of these status numbers is shown in Table 10b 2 and is also shown on the face of the control itself 2 Operating Mode Provides additional information about the current status of the boiler Operating mode is entered by pressing the I button shown in Figure 10b 0 When this button is first pressed in Status mode the display will alternately display bt and ...

Страница 9: ...ible when Lockout is Present UU Code for Error Present Table 13 0 total burner Cycles UXQ Total Run Time hrs Press I E F Return to Status Mode Press or Boiler in Lockout Temperature Units UVW Reset 2U Circulator Overrun High Limit Setting G Limit Differential 6W Thermal Purge Temp 33 Thermal Purge Time 3W DHW Priority ON OFF GK Use of 2nd Zone N Boiler in Lockout N Y Y Except as shown above press ...

Страница 10: ...e switch remained closed Boiler will remain in this state until the air pressure switch opens 12 Pressure Switch failed to close Control waited in Status 3 for 60 seconds and air pressure switch failed to close Boiler will remain in this state until the air pressure switch closes 13 Soft Lockout A fault is preventing the boiler from firing Boiler will be allowed to fire after problem clears itself...

Страница 11: ...used as a second heating zone see Table 10b 5 this parameter will be shown as OFF and tt will be shown as ON when this zone calls for heat FLA Flame Current Flame rectification signal uA run Run Time Hours Total amount of time gas valve has been open burner firing since control was new hours starting from 1 CyC Boiler Cycles Total number of burner cycles on the control Err Error Number Present onl...

Страница 12: ...at if all calls for heat end while the burners are off on high limit the burner will not restart during the next call for heat until the thermal purge requirements described below are met Or Circulator Overrun Determines how long the Heating Circulator will operate after the call for heat ends In some cases this can help reduce energy consumption by sending heat stored in the boiler out into the s...

Страница 13: ... 140 Pt DHW Priority If this feature is turned on and simultaneous calls for heat and DHW are present the heating circulator will be forced off for as long as it takes the boiler to satisfy the call for DHW This feature is sometimes useful when the boiler size is marginal for the peak DHW demand but should be used with caution as it can result in lack of heat if the DHW call is very long or if the...

Страница 14: ...n The control enegrgizes the fan and waits for the air pressure switch to close 4 Once the air pressure switch closes the control waits for a 30s prepurge period to pass before attempting to light the pilot 5 The control starts an ignition spark at the pilot and applies 24 volts across the pilot valve terminals PV and MV PV on the 6 gas valve Once the pilot is established the pilot flame will act ...

Страница 15: ... as a blockage or a problem witgh the fan If this switch must be replaced it must be replaced with an identical switch or one that is shown in Crown documentation as being a suitable repelacement for this boiler see Parts Section of boiler installation manual Flame Roll out Switch BWF series only Automatically interrupts boiler operation when flames or excessive heat are present in vestibule The f...

Страница 16: ...ry to rule out all other possible causes When checking voltage across at wiring connectors 5 be careful not to insert the meter probes into the metal sockets Do ing so may damage the socket resulting in a loose connection when the harness is reconnected B If Display is Blank Check for 24 VAC on transformer secondary connections screws to which blue and yellow leads are connected If volt 1 age acro...

Страница 17: ...rol 35 Duplicate Zone Error code reserved for future use 57 Grounded pilot electrode Condensate or foreign material is shorting pilot electrode to ground Ignition cable insulation is damaged and touching ground Pilot is damaged 58 AC Power Frequency Error 120VAC power supply frequency is incorrect Should be 60Hz 120VAC power supply is dirty consult electrician and or Utility Boiler water temperatu...

Страница 18: ...d strap damaged replace pilot If you cannot hear spark at all replace control StA 6 Spark but no pilot flame Low inlet gas pressure Plugged kinked or leaking pilot tubing Plugged pilot orifice Gas line not purged of air Defective pilot assembly Defective gas valve before replacing confirm that there is 24VAC between PV and MV PV If there is not control harness is loose or the control itself is def...

Страница 19: ...tor To find the closest Crown distributor consult the area Crown representative or the factory at Crown Boiler Co Customer Service P O Box 14818 Philadelphia Pa 19134 www crownboiler com Consult installation manual supplied with the boiler for a complete list of boiler parts ...

Страница 20: ...601830 1 EA 1 EA 1 EA 1 EA 1 EA 1 EA INNER PANEL KEY 80 1 EA 650393 650394 650395 650396 650397 650398 PARTS UNIQUE TO CWD SERIES BOILERS EQUIPPED WITH S9361A CONTROL SYSTEM DESCRIPTION QTY OR CROWN PN QUANTITY PER BOILER OR CROWN PART NUMBER CWD060 CWD083 CWD110 CWD138 CWD165 CWD193 CWD220 CWD245 INTEGRATED BOILER CONTROL INDUCED DRAFT HONEYWELL S9361A2077 3505065 1 EA 1 EA 1 EA 1 EA 1 EA 1 EA 1 ...

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Страница 24: ...Manufacturer of Hydronic Heating Products P O Box 14818 3633 I Street Philadelphia PA 19134 www crownboiler com PN 980650 Rev 0 6 12 ...

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