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164

Block intake ON

OEM Specific

1. 

Check wiring and correct any errors.

2. 

Inspect the Block Intake Switch to make sure it is 

working correctly.

3. 

Reset and sequence the module.

4. 

During Standby and Purge, measure the voltage 

across the switch. Supply voltage should 

be present. If not, the Block Intake Switch is 

defective and needs replacing.

5. 

If the fault persists, replace the relay module.

L

165

Block intake OFF

L

166-171 RESERVED

Feedback

172

Main relay feedback incorrect

Internal Fault.

1. 

Reset Module.

2. 

If fault repeats, replace module.

L

173

Pilot relay feedback incorrect

L

174

Safety relay feedback incorrect

L

175

Safety relay open

L

176

Main relay ON at safe start check

L

177

Pilot relay ON at safe start check

L

178

Safety relay ON at safe start check

L

179-183 RESERVED

Parameter Faults

184

Invalid BLOWER/HSI output setting

1. 

Return to Configuration mode and recheck 

selected parameters, reverify and reset module.

2. 

If fault repeats, verify electrical grounding.

3. 

If fault repeats, replace module.

L

185

Invalid Delta T limit enable setting

L

186

Invalid Delta T limit response setting

L

187

Invalid DHW high limit enable setting

L

188

Invalid DHW high limit response setting

L

189

Invalid Flame sensor type setting

L

190

Invalid interrupted air switch enable setting

L

191

Invalid interrupted air switch start check enable 

setting

L

192

Invalid igniter on during setting

L

193

Invalid ignite failure delay setting

L

194

Invalid ignite failure response setting

1. 

Return to Configuration mode and recheck 

selected parameters, reverify and reset module.

2. 

If fault repeats, verify electrical grounding.

3. 

If fault repeats, replace module.

L

195

Invalid ignite failure retries setting

L

196

Invalid ignition source setting

L

197

Invalid interlock open response setting

L

198

Invalid interlock start check setting

L

199

Invalid LCI enable setting

L

200

Invalid lightoff rate setting

L

201

Invalid lightoff rate proving setting

L

202

Invalid Main Flame Establishing Period time

L

203

Invalid MFEP flame failure response setting

L

204

Invalid NTC sensor type setting

L

205

Invalid Outlet high limit response setting

L

206

Invalid Pilot Flame Establishing Period setting

L

207

Invalid PII enable setting

L

208

Invalid pilot test hold setting

L

209

Invalid Pilot type setting

L

210

Invalid Postpurge time setting

L

211

Invalid Power up with lockout setting

L

Содержание XB-1000

Страница 1: ...damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any ap...

Страница 2: ...hanger Maintenance 46 Handling Ceramic Fiber Materials 47 Replacement Parts 47 NOTES 48 LIMITED WARRANTY 49 TABLE OF CONTENTS TABLE OF CONTENTS 2 SAFE INSTALLATION USE AND SERVICE 3 APPROVALS 3 GENERA...

Страница 3: ...rt symbol indicates a potentially hazardous situation which if not avoided could result in property damage All safety messages will generally tell you about the type of hazard what can happen if you d...

Страница 4: ...etup and instructions before lighting Failure to implement the proper setup will result in improper and inefficient operation of the appliance resulting in production of increased levels of carbon mon...

Страница 5: ...on Institute INTRODUCTION Qualifications Qualified Installer or Service Agency Installation and service of this boiler requires ability equivalent to that of a Qualified Agency as defined by ANSI belo...

Страница 6: ...ion circulation pump control fan control boiler control sequencing and electric ignition function It will also provide status and error reporting Figure 1 BURNER Control System SPARK IGNITER The spark...

Страница 7: ...E SENSORS All models have two inlet and two outlet temperature sensors for each heat exchanger factory installed to monitor the water temperature entering and leaving the boiler The Inlet Probe is a t...

Страница 8: ...s drain valve by turning handle clockwise 2 Open a nearby hot water faucet to permit the air to escape 3 Fully open the cold water inlet pipe valve allowing the boiler and piping to be filled 4 Close...

Страница 9: ...a local code or state law requiring a specific temperature water at the hot water tap then you must take special precautions In addition to using the lowest possible temperature setting that satisfie...

Страница 10: ...10 LIGHTING AND OPERATING INSTRUCTIONS...

Страница 11: ...d gas air control and gas safety shut off control valves The valve functions in parallel with the variable speed combustion blower to supply the correct gas air ratio for optimum performance and effic...

Страница 12: ...M as described below Check combustion readings using a combustion analyzer If combustion readings are not in accordance with the chart shown below adjust as follows remove the cap on the gas regulator...

Страница 13: ...tion with the primary system heat loop Priority assignment to each heat loop can be configured to specify which loop gets serviced first CONTROL SYSTEM Burner Control System Figure 15 R7910A1138 contr...

Страница 14: ...after programmed number of retry attempts d Main valve terminal is energized e Internal system fault occurred Communications and displays Two modes of communications are available to the R7910 1 The...

Страница 15: ...16 At the end of the pump overrun time the pump will be switched off 6 MAIN FLAME ESTABLISHING PERIOD MFEP a Lockout Interlock opens if enabled b Pilot valve terminal is not energized c Main valve ter...

Страница 16: ...1 LL master does not prevent it and more important 2 It will not confuse the LL master because it is implemented as a state machine that is in only one state at a time Domestic Hot Water Start up sequ...

Страница 17: ...ntime or Use Last If one or more Control Systems are in the Use First category then one of these the one with the lowest sequence number will always be the first boiler to fire If there is no Control...

Страница 18: ...ns 1 Electrical Ratings 12 VDC input maximum of 500 mA current drain Included Power Supply for S7999B Inputs 85 to 264 VAC 47 to 63 Hz 120 to 370 VDC Output 12 VDC 0 to 2 1 A Power 25 W 2 Operating Te...

Страница 19: ...Function see Figure 20 The page descriptions are provided below so that you can understand the purpose of each and view the selections parameters and information that is available or required on each...

Страница 20: ...20 Figure 21 s7999B display page flow...

Страница 21: ...ters The parameter name is displayed on the left and the current setting is displayed in the text box on the right Status or Home Page A status summary page Figure 22 is displayed when the S7999B disp...

Страница 22: ...ord Three levels of access to Burner Control parameters are permitted Each access level has defined rights when interfacing with configuration and status parameters within the controls End user The en...

Страница 23: ...of all parameters in each safety block must be verified to save them in the control When the installer is done changing safety parameters pressing the Verify button on the configuration screen begins...

Страница 24: ...ontrol Alert Log DATA COMMENT Alert Line Set by display Alert Code Unique Code defining which fault occured Description Alert description History Button The History button on the Home page serves not...

Страница 25: ...the history page lockout history and alert log The entire 15 fault code history is displayed in a scrollable list with the most recent fault displayed first followed by the next most recent fault Sum...

Страница 26: ...unciation information and switch between hydronic heating loops Central Heat and Domestic Hot Water as shown in Figure 37 If a password is required to change any of the settings on this page the user...

Страница 27: ...al I O status of the Burner Control A snapshot of the diagnostic status is displayed and updated once per second as it changes in the control The digital I O data is displayed as LEDs that are either...

Страница 28: ...A O Smith Each functional group is displayed on the Configuration menu page Parameters in functional groups that are not applicable for the installation can be ignored In some cases features in a func...

Страница 29: ...tput H 6 Internal fault Invalid processor clock H 7 Internal fault Safety relay drive error H 8 Internal fault Zero crossing not detected H 9 Internal fault Flame bias out of range H 10 Internal fault...

Страница 30: ...not match application s model ID Contact the service professional L 55 Application configuration data block CRC errors Contact the service professional L 56 57 RESERVED 58 Internal fault HFS shorted t...

Страница 31: ...nd Outlet sensors and pump circuits for proper operation 2 Recheck the Delta T Limit to confirm proper setting 3 If previous steps are correct and fault persists replace the module H or L 82 Stack lim...

Страница 32: ...at the flame detector is wired to the correct terminal 3 Make sure the F G wires are protected from stray noise pickup 4 Reset and sequence the module if code reappears replace the flame detector 5 Re...

Страница 33: ...ignition H or L 131 Fan movement detected during standby H 132 Fan speed failed during run H 133 135 RESERVED Start Check Faults 136 Interrupted Airflow Switch failed to close 1 Check wiring and corr...

Страница 34: ...present If not the lockout switch is defective and needs replacing 5 If the fault persists replace the relay module H or L 153 Combustion pressure Off H or L 154 Purge Fan switch On OEM Specific 1 Pu...

Страница 35: ...ting L 186 Invalid Delta T limit response setting L 187 Invalid DHW high limit enable setting L 188 Invalid DHW high limit response setting L 189 Invalid Flame sensor type setting L 190 Invalid interr...

Страница 36: ...nvalid Outlet high limit enable setting Contact the service professional L 235 Invalid Outlet connector type setting Contact the service professional L 236 Invalid Inlet connector type setting Contact...

Страница 37: ...overridden due to sensor fault 70 No demand source was set due to demand priority conflicts 71 73 RESERVED Code Description EE Management Faults 0 None No alert 1 Alert PCB was restored from factory d...

Страница 38: ...source parameter was invalid 151 Minimum water temperature parameter was greater than setpoint Code Description Fan Parameter Errors 74 Periodic Forced Recycle 75 Absolute max fan speed was out of ra...

Страница 39: ...225 226 RESERVED 227 DHW priority override time was not derated due to invalid outdoor temperature 228 Warm weather shutdown was not checked due to invalid outdoor temperature 229 Lead Lag slave commu...

Страница 40: ...Abnormal Recycle Ignition failed due to interrupted air flow switch was off 303 Abnormal Recycle ILK off during Drive to Purge Rate Code Description 231 Lead Lag CH setpoint was invalid 232 Lead Lag...

Страница 41: ...cle Hardware flame bias dynamic low 380 Abnormal Recycle Fan Speed Not Proven 381 Abnormal Recycle Fan Speed Range Low Code Description 304 Abnormal Recycle ILK off during Measured Purge Time 305 Abno...

Страница 42: ...Mix S10 J10 7 temperature was invalid 522 Mix outlet temperature was invalid 523 Mix inlet temperature was invalid 524 Mix S5 J8 11 temperature was invalid 525 Mix modulation sensor type was invalid...

Страница 43: ...alid 541 Delta T exchanger outlet enable was invalid 542 Delta T inlet exchanger enable was invalid 543 Delta T inlet outlet degrees was out of range 544 Delta T exchanger outlet degrees was out of ra...

Страница 44: ...eration during initial ignition operation and extinction Cause no excessive lifting of flame from burner ports MAINTENANCE PROCEDURES Maintenance schedules Yearly procedures for Qualified Service Agen...

Страница 45: ...main burners from unit 3 Check that burner ports are free of foreign matter 4 Clean burner with vacuum cleaner Do not distort burner ports 5 Reinstall burners in unit Ensure that all the screws on the...

Страница 46: ...condensate drains and tubes at least once a month and insure they will allow the free flow of condensate at all times The system must be inspected more frequently in cold weather if the drain system i...

Страница 47: ...fiber materials Removal of combustion chamber lining The combustion chamber insulation in this appliance contains ceramic fiber material Ceramic fibers can be converted to cristobalite in very high t...

Страница 48: ...48 NOTES...

Страница 49: ...er under state or provincial law are limited to one 1 year duration for the boiler or any of its parts Some states and provinces do not allow limitations on how long an implied warrant y lasts so the...

Страница 50: ...25589 Highway 1 McBee SC 29101 Technical Support 800 527 1953 Parts 800 433 2545 Fax 800 644 9306 www hotwater com...

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