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20 

Inlet or System Pressure 

Manifold or 

 Burner Pressure 

WARNING: 

The pressure test ports use a captured screw. It will not fall out but it must be  

                    retightened after checking both inlet and manifold pressure.  

  

  

IMPORTANT!

 

Check pressure test ports for leaks after test is complete. 

Control Valve Components 

Gas Pressure Test Ports 

© 2013, Maxitrol Company  

f i r e - p a r t s . c o m

Summary of Contents for Mertik GV60

Page 1: ...Advanced Troubleshooting Mertik Maxitrol GV60 Gas Valve 2013 Maxitrol Company fire parts com...

Page 2: ...2 GV60 System Features 2013 Maxitrol Company fire parts com...

Page 3: ...3 GV60 System Features The Mertik Maxitrol GV60 system is a motorized modulating gas valve It is controlled by remote handset wall switch touchpad 2013 Maxitrol Company fire parts com...

Page 4: ...ition Controls flame height by changing gas pressure Minimum rate determined by the manufacturer Learns the Room System measures room temperature and compares it to set point temperature Remote handse...

Page 5: ...5 Standard Remote Handset Display Remote Handset Timer Thermostat Remote Handset Full Variable Remote Handset with light and fan Receiver GV60 System Features 2013 Maxitrol Company fire parts com...

Page 6: ...6 GV60 System Features 2013 Maxitrol Company Connections fire parts com...

Page 7: ...rrupter Block Ignition Cable Thermo Current Cable with ON OFF switch Thermo Current Cable without ON OFF switch Mains Adaptor with connections for EU UK and U S Thermo Current Cable 8 Wire Cable GV Re...

Page 8: ...for all functions except the light and fan Second Thermocouple Shut Off Second Thermocouple Option The system shuts off the fire when the main burner does not completely ignite approximately 20 second...

Page 9: ...et is out of communication range for a 6 hour period 6 hour No Motor Movement CSA Manual Mode Temperature Timer Mode The valve will turn to pilot flame if there is no change in burner flame height for...

Page 10: ...Fan The fan has 4 speed levels from low 1 bar to high 4 bars and can be turned off Latching Solenoid The main burner can be switched off while the decorative burner remains on or vise versa Advanced F...

Page 11: ...temperature reading of the receiver is higher than 140 F 60 C The main burner will come back on only when the temperature is below 140 F 60 C 1 hour Turn Down for Bedroom Fires Valve turns to pilot f...

Page 12: ...GV60 Control Valve Components 12 2013 Maxitrol Company fire parts com...

Page 13: ...13 Control Valve Components Clutch Flame Height Knob Driven by Motor 6 VDC Motor with Clutch for Manual Operation Inside the Valve Head 2013 Maxitrol Company fire parts com...

Page 14: ...Plunger with Solenoid Coil Plunger pushes valve head here Solenoid gets a burst of power from the receiver Control Valve Components Inside the Valve Head 14 2013 Maxitrol Company fire parts com...

Page 15: ...lectromagnet The Valve Head and Solenoid Coil The solenoid coil plunger pushes the valve head and opens the main burner Control Valve Components Inside the Valve Head 2013 Maxitrol Company fire parts...

Page 16: ...16 Cams control high low fire and OFF position Micro Switch Micro Switch to limit rotation Control Valve Components Inside the Valve Head 2013 Maxitrol Company fire parts com...

Page 17: ...the adjustment screw Turn the adjustment screw to set required burner pressure high fire Pressure is increased by turning clockwise or decreased by turning counterclockwise This adjustment is require...

Page 18: ...To change from one gas to the other turn the conversion plug counter clockwise and remove it from the valve Unsnap and remove the plastic part of the conversion plug rotate it 180 and then slide it ba...

Page 19: ...rew is preset to the maximum Therefore it is only possible to decrease the pilot Control Valve Components Inside the Valve Head Pilot Adjustment Screw for vented units only Clockwise Decrease Counterc...

Page 20: ...t ports use a captured screw It will not fall out but it must be retightened after checking both inlet and manifold pressure IMPORTANT Check pressure test ports for leaks after test is complete Contro...

Page 21: ...ould be changed when converting from one fuel to another Unless the appliance manufacturer does not recommend the change Always follow the OEM s instructions Control Valve Components Minimum Rate Scre...

Page 22: ...alve Components Thermocouple Circuit Interrupter Thermocouple Circuit Interrupter Block 2013 Maxitrol Company Installation 1 Tighten brass part of interrupter block into valve Hand tight plus turn fir...

Page 23: ...nstallation 2 Insert spade connectors into plastic spacer 3 Insert plastic spacer into the interrupter block Control Valve Components Thermocouple Circuit Interrupter 2013 Maxitrol Company fire parts...

Page 24: ...24 Installation 4 Thread thermocouple into female end of interrupter block Hand tight plus turn Control Valve Components Thermocouple Circuit Interrupter 2013 Maxitrol Company fire parts com...

Page 25: ...block as recommended results in a smooth surface contact area as seen in Figure 1 Over tightening of the thermocouple can cause damage as seen in Figure 2 Damage to the thermocouple decreases the avai...

Page 26: ...26 GV60 Receiver Components 2013 Maxitrol Company fire parts com...

Page 27: ...27 The receiver module is the brain It is not just a battery box Receiver Components 2013 Maxitrol Company fire parts com...

Page 28: ...til you hear two additional short beeps coming from the receiver confirming the code is set If you hear one long beep this indicates the code learning sequence has failed or the wiring is incorrect Th...

Page 29: ...29 To Wall Switch To Valve Receiver Components Wire Harness Connections 2013 Maxitrol Company fire parts com...

Page 30: ...30 Watch for bent pins Receiver Components Wire Harness Connections 2013 Maxitrol Company fire parts com...

Page 31: ...31 Universal Receiver Auxiliary and or Latching Solenoid Connection V Module Connection Receiver Components Wire Harness Connections 2013 Maxitrol Company fire parts com...

Page 32: ...32 AC Mains Adapter or Remote Battery Box Connection AC Mains Adapter Remote Battery Box Receiver Components Power Connection 2013 Maxitrol Company fire parts com...

Page 33: ...R connect a 9 Volt battery directly to the cable of the remote battery box This connection is only to be used to connect the receiver to the remote battery box Receiver Components Power Connection 201...

Page 34: ...ewdrivers knives to remove batteries This could cause damage to the receiver battery compartment Use the battery removal ribbon Battery replacement is recommended at the beginning of each heating seas...

Page 35: ...rupter circuit is polarity sensitive Make certain the red cable 1 4 is connected to the red terminal and the yellow cable 3 16 is connected to the yellow terminal Verify that the connections are tight...

Page 36: ...NING Never allow the antenna wire to come in contact with or too close to the igniter cable Remember it is an antenna after all NOTE Antenna wire can be moved for better reception Receiver Components...

Page 37: ...37 Green White Micro Switch Brown Purple Motor Blue Yellow Ground Black Red Impulse Magnet Receiver Components Receiver to Valve Control Cable fire parts com...

Page 38: ...38 GV60 Troubleshooting Potential Problem Customer calls and says Why is my fireplace not working the way it should QUESTIONS FOR TECHNICIAN TO ASK 2013 Maxitrol Company fire parts com...

Page 39: ...d receiver batteries or the handset is not synced See slide 25 3 Is the handset in the SUN TEMP MOON TEMP or TIMER mode Unit may be OFF because the set temperature is lower than the room temperature 4...

Page 40: ...ocated on the valve in the ON position O OFF ON 8 Is the ON MANUAL dial located on the valve in the ON position The dial must be fully turned to the ON position 9 Does it have a Voltage Module If yes...

Page 41: ...41 GV60 Troubleshooting TEST THE BATTERIES 2013 Maxitrol Company fire parts com...

Page 42: ...voltage PROCEDURE Connect test probe on last pin Connect test probe to ground e g valve body or appliance chassis RESULT The reading should be 5 6VDC Troubleshooting the GV60 Testing the Batteries 20...

Page 43: ...43 GV60 Troubleshooting TEST THE INITIAL RECEIVER OUTPUT 2013 Maxitrol Company fire parts com...

Page 44: ...low wire Connect test probe to ground e g valve body or appliance chassis RESULT The reading should be 5 mV at the yellow wire as the batteries power the electromagnet Troubleshooting the GV60 Testing...

Page 45: ...45 GV60 Troubleshooting Potential Problem The appliance will not light with the handset TEST THE VALVE 2013 Maxitrol Company fire parts com...

Page 46: ...rotated into the ON position The knob will click when it is engaged correctly INCORRECT MANUAL knob is not fully in the ON position The GV60 will not operate properly with the knob in this position C...

Page 47: ...DURE Turn MANUAL knob to MAN Insert small tool and depress the plunger Light pilot and hold the plunger for 10 seconds Turn knob back to ON RESULT If the manual light is successful test the electronic...

Page 48: ...48 GV60 Troubleshooting Potential Problem The appliance will not light with the handset TEST THE ELECTRONICS 2013 Maxitrol Company fire parts com...

Page 49: ...errupter block PROCEDURE a Connect test probe on the red wire Connect test probe to ground e g valve body or appliance chassis b Repeat with the black wire Subtract black reading from red RESULT The r...

Page 50: ...erminal PROCEDURE Connect test probe on red wire Connect test probe to ground e g valve body or appliance chassis RESULT The reading should be 10 15 mV Troubleshooting the GV60 Testing the Electronics...

Page 51: ...g valve body or appliance chassis Subtract mV reading from test on the red wire see previous slide from current reading on the yellow wire RESULT The difference is the power being consumed by the rece...

Page 52: ...e after you extinguish pilot Note the voltage at the time you hear the electromagnet drop out You will hear a clunk Simultaneously count the number of seconds from the time when the pilot is extinguis...

Page 53: ...53 GV60 Troubleshooting Potential Problem The flame height will not change VERIFY MOTOR OPERATION 2013 Maxitrol Company fire parts com...

Page 54: ...dy or appliance chassis Push DOWN FLAME button on the handset RESULT The reading should be 5 6 Volts and motor should move If there is no motor movement the motor may be damaged Replace motor motor ki...

Page 55: ...or appliance chassis Push UP FLAME button on the handset RESULT The reading should be 5 6 Volts and motor should move If there is no motor movement the motor may be damaged Replace motor motor kits a...

Page 56: ...56 GV60 Troubleshooting Potential Problem Intermittent Operation TEST GAS PRESSURE 2013 Maxitrol Company fire parts com...

Page 57: ...s Pressure TEST Check gas pressure at pressure test ports on valve PROCEDURE The pressure test ports use a captured screw It will not fall out but it must be retightened after checking both inlet and...

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