Table of Contents
Advertisement
Quick Links
No spark present. ...................................................................... 2
Water Heater sparking but the burner does not ignite. ............................ 3
3.- THE WATER FLOW IS VERY LOW ...................................................................... 3
4. CONTINUOUS SPARKING WHEN WATER HEATER IS IGNITED ...................................... 4
5.- SPARKING, BURNER IGNITES FOR A FEW SECONDS AND THEN SWITCHES OFF............... 4
6.- HARD IGNITION OF THE WATER HEATER THERE IS NO SOFT START.......................... 5
7.- WATER HEATER CONTINUES SPARKING WHEN TAP IS TURNED OFF............................. 5
8.- WATER HEATER SWITCHES OFF AFTER FEW MINUTES OF OPERATION ........................ 6
9.- WATER HEATER REMAINS IGNITED WHEN TAP IS CLOSED ...................................... 7
10.- FLAMES IN BURNER ARE YELLOW ..................................................................... 7
11.- THE BATTERY LIFE IS VERY SHORT .................................................................. 8
12.- USEFUL DATA............................................................................................. 9
13.- IGNITION SEQUENCE ..................................................................................10
14.- PHOTO GALLERY .........................................................................................11
SERVICE MANUAL
PILOTLESS ELECTRONIC WATER HEATERS
Advertisement
Table of Contents
Related Manuals for Electrolux Nano Pro
Summary of Contents for Electrolux Nano Pro
-
Page 1: Table Of Contents
SERVICE MANUAL PILOTLESS ELECTRONIC WATER HEATERS 1.- NO IGNITION No spark present............... 2 2.- NO IGNITION Water Heater sparking but the burner does not ignite......3 3.- THE WATER FLOW IS VERY LOW ..............3 4. CONTINUOUS SPARKING WHEN WATER HEATER IS IGNITED ........4 5.- SPARKING, BURNER IGNITES FOR A FEW SECONDS AND THEN SWITCHES OFF.... -
Page 2: No Ignition No Spark Present
1.- NO IGNITION No spark present. SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION No Spark Check there is a battery in the Battery Box Insert a full battery in the Battery Box. Photo 1 Check that the battery is placed in the Battery Box in the correct Correct the position of the Battery. -
Page 3: No Ignition Water Heater Sparking But The Burner Does Not Ignite
SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION No Spark Disassemble Water Valve. Work the water pin manually to unblock Water valve O-rings are blocked. them / Change the top cover of the water valve. Photo 10. All models Work the gas pin manually to unblock the O-ring. Photo 11. Main gas valve seal is blocked. -
Page 4: Continuous Sparking When Water Heater Is Ignited
4. CONTINUOUS SPARKING WHEN WATER HEATER IS IGNITED SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION Continuous sparking The electronic circuit is not working correctly. Replace the Electronic circuit. Photo 2. and burner is ignited 5.- SPARKING, BURNER IGNITES FOR A FEW SECONDS AND THEN SWITCHES OFF SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION... -
Page 5: Hard Ignition Of The Water Heater There Is No Soft Start
6.- HARD IGNITION OF THE WATER HEATER THERE IS NO SOFT START SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION Battery Voltage very low. Sparkling is very at low Replace Battery. Use Alkaline battery. Photo 1. frequency and sounds very weak. The electrodes are not correctly fixed to the manifold. Fix the electrodes correctly using the fixing screw. -
Page 6: Water Heater Switches Off After Few Minutes Of Operation
8.- WATER HEATER SWITCHES OFF AFTER FEW MINUTES OF OPERATION SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION Low Battery Voltage Replace the Battery. Photo1. Gas pressure/flow insufficient. Check burner gas pressure. Photo 18. Drop in water pressure during functioning of the water Check the water pressure. -
Page 7: Water Heater Remains Ignited When Tap Is Closed
9.- WATER HEATER REMAINS IGNITED WHEN TAP IS CLOSED This is a DANGEROUS situation because the Pressure and Temperature in the combustion chamber will increase very fast, DISCONNECT THE GAS SUPPLY TO THE WATER HEATER. PERMANENT DAMAGES AND DEFORMATIONS IN WATER VALVE AND COPPER PIPES. SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION... -
Page 8: The Battery Life Is Very Short
11.- THE BATTERY LIFE IS VERY SHORT SYMPTOM POSSIBLE CAUSE OF FAILURE SOLUTION Some of the wirings is damaged and is in contact with Review status of wirings. a metallic part of the water Heater Change electrical installation if necessary The servo valve current consumption is very high Servo valve defective. -
Page 9: Useful Data
12.- USEFUL DATA DIMENSIONS 310 578 228 240 112 102 69,4 21 50 133,8 210 115,6 GAS INLET PRESSURE NATURAL G20 13mbar BURNER PRESSURE 10,8 mbar W ATER PRESURE Maximum 13 bar Minim um OS 0,25 bar Minimum CS 0,15 bar CONNECTION DIMENSIONS 3/4"... -
Page 10: Ignition Sequence
13.- IGNITION SEQUENCE Open Water Valve Main Gas Valve Pin goes Up Opens GAS TO BURNER BURNER IGNITED Microswitch Servo valve Control 5 seg. contacts OPENS circuit timer close Spark in Electrodes. Flame detection t< 5seg Flame LED Water Heater System Working Tripped... -
Page 11: Photo Gallery
14.- PHOTO GALLERY LED Burner ON Electrodes connector ON/OFF Switch POSITIVE PC 102 Ignition Circuit POLARITY INDICATED IN CASE COVER ON OFF Switch Water Temperature Water filter LED Burner ON selector location in the Gas Power selector water valve 11 of 15... - Page 12 Ground Clean Electrodes!! Connection Fixing Screw for Electrode electrodes Assembly Electrode Connector Water Valve Communication Membrane Channel Electrode Microswitch Connector Connector 12 of 15...
- Page 13 Ventury Main Regulator in Water Valve Main Regulator housing in Water Drainage Manual Drive Valve Body Screw Water Valve Pin Manual drive Pin Gas Valve Screws for power adjustment 13 of 15...
- Page 14 Water Selector Ventury Water Outlet Drain Screw Electrode Connector Water Inlet Water Valve TTB Sensor Upper cover Water Pin O ring and gaskets Disc TTB Connections 14 of 15...
- Page 15 Gas inlet Pressure checking point Servo valve Terminal Burner Pressure Micro switch checking point adjustment screw 15 of 15...