Lochinvar ARMOR 150 Service Manual Download | Manualshive

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Service

Service Manual

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The Armor water heater display

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Summary of Contents for ARMOR 150

Page 1: ...n Read all instructions including this manual and the Armor Water Heater Installation and Operation Manual before installing Perform steps in the order given Failure to comply could result in severe p...

Page 2: ...ntenance that are important but not related to personal injury or property damage CONTENTS 2 Hazard Definitions 2 PLEASE READ BEFORE PROCEEDING 3 Handling Ceramic Fiber Materials 3 When servicing wate...

Page 3: ...when handling or replacing the ceramic materials it is advisable that the installer follow these safety guidelines Avoid breathing dust and contact with skin and eyes Use NIOSH certified dust respira...

Page 4: ...ation Armor water heater operation A General C Data Logging D Functions E WHR Settings H Control Modes I Circulation Pumps J Service Notification Maintenance Service and maintenance schedules Address...

Page 5: ...1 Service Service Manual 5 The Armor water heater display...

Page 6: ...ER BUILDING MANAGEMENT SYSTEM LOW VOLTAGE CONNECTION BOARD INLET TEMPERATURE SENSOR OUTLET TEMPERATURE SENSOR FLUE GAS SENSOR HIGH LIMIT SENSOR FLAME SENSOR LOW WATER CUTOFF OPTIONAL BLOCKED DRAIN SWI...

Page 7: ...GE CONNECTION BOARD SMART SYSTEM CONTROL BOARD ALARM BELL AUX DEVICE RELAY RUNTIME CONTACTS SEQUENCER BUILDING MANAGEMENT SYSTEM DHW PUMP IGNITER BLOWER GAS VALVE DISPLAY PANEL PC INTERFACE Control ou...

Page 8: ...nces of operation for water heating operation Access modes User The user can adjust water heating set point using the UP and DOWN buttons at any time during normal operation By entering the USER code...

Page 9: ...nce the prepurge cycle is complete and the blocked drain switch is closed the control starts the 5 second trial for ignition by sending spark voltage to the spark electrode and opening the gas valve W...

Page 10: ...to toggle menu listing DOWN If the code is entered incorrectly the display will return to its previous mode You will have to start over at step 1 to enter the code COMMENTS Digit shown underlined at...

Page 11: ...l flash H3 Cascade Addr H3 will flash H3 Cascade Addr H2 will stop flashing parameter value will appear H3 Cascade Addr UP or DOWN Parameter will increase or decrease depending on button pressed H3 Ca...

Page 12: ...o No Yes Yes DATA FUNCTIONS E 3 Tank Set Point 14 Yes Yes Yes Yes LOGGING WHR SETTINGS The parameters for Building Management System operation are not listed in this table They are only accessible usi...

Page 13: ...nternal clock has been set correctly the night setback feature can be used to program a lower water temperature set point for water heating This feature is only used when a tank sensor is used This pa...

Page 14: ...ddresses must be different for each Member The addresses can be in any order regardless of the order in which the units are wired together This parameter is adjustable by the installer by accessing pa...

Page 15: ...rol determines that a scheduled service is due based on the hours of actual operation the water heater display will alternate the standard water heater display text with the message SERVICE DUE every...

Page 16: ...up checkout and performance verification per Section 10 in the Armor Installation and Operation Manual Flame inspection stable uniform Flame signal at least 10 microamps at high fire Clean the heat ex...

Page 17: ...these are present in the water heater intake air vicinity they must be removed If they cannot be removed reinstall the air and vent lines per this manual and the Armor Water Heater Installation and O...

Page 18: ...ter Heater Installation and Operation Manual before proceeding further Safety relief valves should be re inspected AT LEAST ONCE EVERY THREE YEARS by a licensed plumbing contractor or authorized inspe...

Page 19: ...d securely attached Check control settings 1 Set the SMART SYSTEM control module display to Parameter Mode and check all settings See Section 1 of this manual Adjust settings if necessary See Section...

Page 20: ...ance instructions for the water heater in Section 10 Startup of the Installation and Operation Manual Do not drain the water heater unless it will be exposed to freezing temperatures If using freeze p...

Page 21: ...mum 4 inches w c natural 8 inches w c LP with gas flowing verify during water heater startup Check control module fuses ALWAYS check control module fuses before replacing control module or any major c...

Page 22: ...ontrol board Blown fuse Replace fuse F3 on the main control board see page 21 of this manual No Burner Operation Main control board temperature set point satisfied Review temperature setting Remote th...

Page 23: ...F Resistance Temperature F Resistance 68 14 773 176 1 707 86 9 804 194 1 266 104 6 652 212 952 122 4 607 230 726 140 3 252 248 560 158 2 337 Checking temperature sensors The water heater temperature s...

Page 24: ...water pressure Verify system pressure is a minimum of 12 PSI No Pump Operation Blown fuse Replace fuse F5 on the control board see page 21 of this manual Faulty pump Replace pump Faulty pump relay Re...

Page 25: ...ck for loose or misplaced jumpers if flow switch is not installed Blown fuse Replace fuse F2 on the control board see page 21 of this manual Blocked Drain SW will require a manual reset once condition...

Page 26: ...ted and is not damaged Verify that the vent air intake pipes are correctly installed and that there are no obstructions Check for 24 VAC to the gas valve at the 2 pin connection on the side of the mai...

Page 27: ...ir inlet is connected and is not damaged Verify that the vent air intake pipes are installed correctly and there are no obstructions Check for 24 VAC to the gas valve at the 2 pin connection on the si...

Page 28: ...e condition has been corrected Press the RESET button on the SMART SYSTEM display to reset The actual fan RPM is 30 lower than what is being called for Vent air intake lengths exceed the maximum allow...

Page 29: ...page 23 of this manual Replace the sensor if necessary Sensor Shorted will require a manual reset once the condition has been corrected Press the RESET button on the SMART SYSTEM display to reset Eit...

Page 30: ...mor Water Heater Installation and Operation Manual for water heater pump specifications Outlet water temperature has exceeded the maximum outlet water temperature Verify that the system is full of wat...

Page 31: ...e main control board if necessary If 120 VAC is present on a call for heat and the water heater pump is not operating replace the pump Verify that the water heater pump is set to the proper speed or t...

Page 32: ...Table 3F Troubleshooting Chart Combustion Levels POSSIBLE CAUSE CORRECTIVE ACTION Vent Air Intake Length or Obstruction Refer to Section 3 General Venting of the Armor Water Heater Installation and O...

Page 33: ...four 4 adjustments and the combustion is still not within the specified range revisit the possible causes in Table 3F on page 32 or replace the gas valve Figure 3 2 Gas Valve Adjustment Models 150 285...

Page 34: ...gas valve Figure 3 4 Gas Valve Adjustment Model 500 Service Manual 3 Troubleshooting continued Models 600 800 Locate the throttle adjustment screw on top of the gas valve see FIG 3 4 Using an Allen w...

Page 35: ...35 NOTES...

Page 36: ...ns in vent terminations and safety shutoff testing and instructions Revision E ECO C02738 reflects the addition of the Gas Valve Adjustment Procedure for a 399 model on page 33 Revision F ECO C03296 r...

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