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Munters JAZ 125, Operator'S Manual, Page: 11 / 13

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Munters JAZ 125 Operator'S Manual Download Page 11

2 

 

PROBLEM 

POSSIBLE CAUSE 

SOLUTION 

 

 

 

Motor will not start 

No power or low voltage 

Check power supply and voltage. 

 

 

Reset: Turn On/Off switch to O and then to I 

[needed here?]

 

GREEN INDICATOR LIGHT IS 
QUICKLY FLASHING 

 

 

Fuse is blown. 

Replace fuse. 

(4 flashes/second) 

 

 

 

Thermostat is set too low. 

Turn thermostat knob clockwise to higher 
setting. 

 

Faulty or damaged power cord or 
extension cord. 

Check and replace if needed. 

 

 

 

 

 

 

Faulty motor/capacitor. 

Check and replace if required. 

  

  

  

Motor runs, but the fuel does 
not ignite and the heater 
shuts off after 

5

 seconds. 

Low or empty fuel tank. 

Fill tank with fresh kerosene

 

[fuel?]

. 

 

 

 

 

 

Dirty or wrong fuel. 

Remove fuel and replace with clean kerosene

 

[fuel?]

. 

GREEN INDICATOR LIGHT IS 
QUICKLY FLASHING 

 

 

Fuel filter clogged. 

Clean or replace fuel filter. 

(4 flashes/second) 

 

 

 

Leaks in fuel or air hoses. 

Check hoses and replace with original parts if 
necessary. 

 

 

 

 

Faulty ignition transformer or 
control board. 

Replace ignition transformer or control board. 

 

 

 

 

Spark plug dirty or fouled. 

Check and clean or replace spark electrode.   

 

 

 

 

Fuel nozzle clogged. 

Clean nozzle by blowing compressed air 
through front of nozzle; replace if necessary. 

 

 

Heater stops during 
operation: 

 

 

 

 

 

GREEN INDICATOR LIGHT 
SLOWLY FLASHING (1 
flash/4 seconds) 

The desired room temperature 
has been reached.    Heater is in 
STAND-BY MODE. 

No fault. Normal operation. To start, turn 
thermostat knob clockwise to a higher setting. 

 

 

 

GREEN INDICATOR LIGHT 
NOT LIT 

 

 

 

Loss of power supply during 
operation. 

Check power supply. 

 

 

Reset: Turn On/Off switch to O and then to I 

 

 

 

 

Fuse blown 

Replace Fuse 

GREEN INDICATOR LIGHT IS 
QUICKLY FLASHING 

 

 

Flame Incorrect:    Fuel/ Air 
mixture too rich (too much fuel or 
not enough air). 

Provide correct fuel/air mixture. Check for 
blockage of air inlet, dirty or damaged fan, or 
bad fuel. Remove obstructions to good air 
flow, clean parts. Be sure correct fuel or 
clean kerosene is used. Be sure compressor 
pressure is correct. 

(4 flashes/second) 
 

 

 

 

 

 

 

 

 

 

Flame Incorrect:    Fuel/Air mixture 
too lean (too much air or not 
enough fuel). 

Provide correct fuel/air mixture: Check for low 
fuel level. Check for dirty fuel, dirty fuel or air 
filters, or dirty nozzle and replace as required. 
Be sure correct fuel or clean kerosene is 
used. Be sure compressor pressure is 
correct. 

 
 

 

 

 

 

 

Summary of Contents for JAZ 125

Page 1: ...erosene Air Heaters JAZ 42 JAZ 80 JAZ 80 W JAZ 125 JAZ 160 IMPORTANT Read and understand this manual before assembling starting or servicing the heater Improper use of this heater can cause serious injury Keep this manual for future reference JAZ ...

Page 2: ...ntities dimensions etc for production or other reasons subsequent to publication While we believe the information is accurate and complete we make no warranty or representation for any particular purposes The information is offered in good faith and with the understanding that any use of the units or accessories in breach of the directions and warnings in this document is at the sole discretion an...

Page 3: ... not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Not for home or recreational vehicle use Local laws and regulations may limit or prohibit the use of this type of heater Consult your local fire department for further information Combustion by products produced when using this product contain carbon monoxide a chemical known to the Stat...

Page 4: ... 65 gph 0 65 gph 0 85 gph 1 00 gph Voltage 120V 60Hz Electrical Power W 180 230 230 240 430 Air Pressure Setting psi 4 8 4 1 4 1 5 1 5 5 Current Rating A 1 50 2 00 2 00 2 05 3 15 Fuse rating A T 4A T 4A T 4A T 4A T 4A Dimensions Net Weight lb 27 3 30 4 34 6 58 9 62 2 ength in 26 4 26 4 32 0 36 6 36 6 Width in 12 5 12 5 17 7 20 5 20 5 Height in 16 5 16 5 24 4 25 0 25 0 Tank Capacity gal 5 0 5 0 5 0...

Page 5: ... cap nuts to secure them Attach support bracket 14 screwing the knurled nut 13 to the tank drain cap Finger tighten firmly JAZ 125 List of contents Description Qty 1 Axle 1 2 Axle bracket 2 3 Spacer 2 4 Wheel D 200 2 5 Cap nut 2 6 Screw M5x16 4 7 Washer D 5 12 8 Nut M5 12 9 End cap 2 10 Rear handle 1 11 Front handle 1 12 Screw M5x30 8 not used on JAZ 125 Before adding fuel installation and use ass...

Page 6: ...ver use this heater in living or sleeping areas Do not cover the heater Do not block the air inlet and outlet Do not attach ducting to this heater Install the heater upright on a flat level surface 1 Provide adequate clearance to combustible materials MINIMUM SAFETY CLEARANCES FROM MATERIALS INCLUDING COMBUSTIBLE MATERIALS AND OBJECTS IN THE SURROUNDINGS OF THE HEATER Sides 2 ft Air inlet 3 ft Top...

Page 7: ...ltage must be 120 V 10 108 V 132V Do not connect the heater to the generator if the voltage is not within this range The installation of the equipment shall be in accordance with the regulations of authorities having jurisdiction and CSA B139 Do not connect the heater to external fuel tanks 6 Operation 1 Fill the fuel tank with clean 1 K Kerosene Fuel Oil Diesel Fuel No 1 or Fuel Oil Diesel Fuel N...

Page 8: ...tion section above Do not start the heater if the combustion chamber is hot or if excess fuel has accumulated in or around the combustion chamber Accumulated fuel could result from repeated unsuccessful ignition attempts Unplug heater and remove excess accumulated fuel before attempting restart Never leave the heater unattended while burning or connected to a power source 4 To operate the heater i...

Page 9: ...void your warranty RECOMMENDED MAINTENANCE SCHEDULE Fuel tank Drain and flush fuel tank using clean kerosene every 150 200 hours or as needed Nozzle Inspect and clean nozzle every heating season Unscrew nozzle from nozzle fitting Blow compressed air through nozzle orifice to free it from dirt particles Replace nozzle if needed Air intake and output filters Every 500 hours Inspect air filters Remov...

Page 10: ...nt screw clockwise to increase or counterclockwise to decrease the pressure Tighten the hex nut and remove the hex key from the adjustment screw Check the pressure shown on the pressure gauge again and repeat the procedure as required to obtain the correct air pressure Model Air Pressure psi JAZ 42 4 8 JAZ 80 4 1 JAZ 80 W 4 1 JAZ 125 5 1 JAZ 160 5 5 Electrical Inspect all internal wiring electrica...

Page 11: ...place spark electrode Fuel nozzle clogged Clean nozzle by blowing compressed air through front of nozzle replace if necessary Heater stops during operation GREEN INDICATOR LIGHT SLOWLY FLASHING 1 flash 4 seconds The desired room temperature has been reached Heater is in STAND BY MODE No fault Normal operation To start turn thermostat knob clockwise to a higher setting GREEN INDICATOR LIGHT NOT LIT...

Page 12: ...t cause of overheating If needed call Customer Service Faulty or Dirty Photocell Flame Sensor Clean or replace photocell Faulty Control Board Replace control board For Spot Climate Control Customer Service 9 am to 5 pm EST Call 239 936 1555 and select SCC Customer Service ...

Page 13: ...ng Syst Co Ltd Phone 966 1 477 15 14 Fax 966 1 476 09 36 Korea Munters Korea Co Ltd Phone 82 2 761 8701 Fax 82 2 761 8777 Mexico Munters Mexico Phone 52 722 270 40 30 Fax 52 722 270 41 95 Norway via sales organization in Sweden South Africa and Sub Sahara Countries Munters Pty Ltd Phone 27 11 997 2000 Fax 27 11 608 3501 Spain Munters Spain S A Phone 34 91 640 09 02 Fax 34 91 640 11 32 Sweden Munte...

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