Mestek R (B,S,M) D SERIES Installation And Operation Instructions Manual Download Page 16

 

 

Form #43219040 

 

 

Oct 2013

 

14)  CLEANING AND ANNUAL MAINTENANCE 

 

 

 

 

 

This heater consists of multiple individual atmospheric burners.  Due to the variation in tile porosity, there could be 
color  variations  between  the  burners.    This  is  natural  and  should  not  be  a  cause  for  concern  during  the  initial 
startup. 

 

This heater must be cleaned and serviced at least once before the start of each heating season or at any time the 
infrared  emitter  shows  signs  of  collecting any  foreign material  on  its  surface  or  in  the ports,  or  when anything 
obstructs  the  venturi  or  the  screen.    Maximum  heating  efficiency  and  clean  combustion  will  be  maintained  by 
keeping the emitter and burner clean.  To clean the heater, follow these instructions:   1.  Turn off all electrical and 
gas supply to the heater.    2.  Clean the reflector.  3.  Remove the main burner orifice and clean it thoroughly.    4.  
Check  the  venturi  opening  to  be  sure  it  is  clean.    If  there  is  any  evidence  of  dirt  accumulation  in  the  venturi, 
remove it. 
 

15)  BURNER OPERATION/TROUBLESHOOTING 

 

A)  IGNITION MODULE DIAGNOSTICS 

The  LED  located  on  the  ignition  module  (see  Figure)  will 
flash  ON  for  ¼  second,  then  OFF  for  ¼  second  during  a 
fault  condition.    The  pause  between  fault  codes  is  3 
seconds. 

LED Indication 

Error Mode 

Steady On 

Internal Control Failure 

2 Flashes 

Flame Sense Fault 

3 Flashes 

Ignition Lockout 

 
B) FLAME SENSOR TESTING 

The  flame  current  is  the  current  that  passes  through  the 
flame from the sensor to the ground.  The minimum flame 
current  necessary  to  keep  the  system  from  lockout  is  0.7 
microamps.    To  measure  the  flame  current,  connect  an 
analog DC microammeter to the FC- and FC+ terminals per 
diagram.  The meter should read 0.7 µA or higher when the 
burner is running full on.  If the meter reads below zero, the 
meter leads are reversed.  Disconnect power and reconnect 
the meter leads for proper polarity. 
 
 

                                                        

                                                              

15

 

Summary of Contents for R (B,S,M) D SERIES

Page 1: ...servicing this equipment In locations used for the storage of combustible materials signs must be posted to specify the maximum permissible stacking height to maintain the required clearances from the...

Page 2: ...the National Fuel Gas Code ANSI Z223 1 latest edition are available from the CSA at 8501 East Pleasant Valley Road Cleveland Ohio 44131 or 55 Scarsdale Road Don Mills Ontario M3B 2R3 All NFPA codes ar...

Page 3: ...regulations Every heater shall be located with respect to building construction and other equipment so as to permit access to the heater Each installer must follow the clearances to combustible mater...

Page 4: ...reas used for storage of combustible materials where they may be stacked below the heater NFPA54 requires that the installer must post signs that will specify the maximum permissible stacking height t...

Page 5: ...imum Clearances to Combustibles listed in the manual and on the heater at all times 4 MINIMUM CLEARANCES TO COMBUSTIBLES For maximum safety the building must be evaluated for hazards before installing...

Page 6: ...USTIBLES MODEL R B S M D Series Mounted Horizontally Mounted at 35 Angle Angle Mounting SIDES CEILING BELOW BELOW FRONT REAR w Standard Reflector w Reflector Extension w Standard Reflector w Reflector...

Page 7: ...S M D 140 N1C 140 000 4 41 n a 58 lbs 17 R B S M D 160 N1C 160 000 4 38 n a 58 lbs 18 R B S M D 033 L1C 33 000 1 n a 52 30 lbs 11 R B S M D 066 L1C 66 000 2 n a 52 35 lbs 13 R B S M D 100 L1C 99 000 3...

Page 8: ...the gas manifold assembly is on the lower side of the heater Coil chains No 2 or larger or rigid supports may be used to mount the heater which must be suspended from a permanent structure with adequa...

Page 9: ...ocated in accordance with the required clearances to combustibles below the heater as listed on the nameplate of the heater 3 Pipe joint compounds must be resistant to the action of liquefied petroleu...

Page 10: ...the heater must be released before proper heater operation 7 After all gas connections have been made make sure the heater and all gas outlets are turned off before the main gas supply is turned on Tu...

Page 11: ...stment is required remove the cover screw Using a small screwdriver turn the adjustment screw clockwise to increase or counter clockwise to decrease the gas pressure to burner Replace the cover screw...

Page 12: ...ve electrical circuit one that is not controlled by a light switch 4 The power supply to the unit should be protected with a fused disconnect switch or circuit breaker A service switch as required by...

Page 13: ...ATER PER THERMOSTAT B LINE VOLTAGE 120V THERMOSTAT CONNECTIONS MULTIPLE HEATERS PER THERMOSTAT C LOW VOLTAGE 24V THERMOSTAT CONNECTIONS MULTIPLE HEATERS PER THERMOSTAT POWER SUPPLIED FROM FAN CENTER R...

Page 14: ...and outlet vent area depending on height and temperature difference is as follows RD030 RD033 RD035 0 49 s f RD100 1 48 s f RD040 0 57 s f RD120 1 72 s f RD060 RD066 RD070 0 98 s f RD132 RD140 1 97 s...

Page 15: ...s before attempting to relight 6 The heater must be grounded Poor grounding will give nuisance lockouts particularly during momentary power interruptions 7 To shut down the heater turn off the gas and...

Page 16: ...er orifice and clean it thoroughly 4 Check the venturi opening to be sure it is clean If there is any evidence of dirt accumulation in the venturi remove it 15 BURNER OPERATION TROUBLESHOOTING A IGNIT...

Page 17: ...The thermostat sensing bulb is incorrectly placed The thermostat is out of calibration Conduct heat loss and add heaters or other source of heat as necessary Reposition as necessary for proper operat...

Page 18: ...Form 43219040 Oct 2013 C TROUBLESHOOTING CHART Continued 17...

Page 19: ...RD030 RD033 RD035 RD040 43822010 RD060 RD066 RD070 RD080 43822020 RD100 RD120 43822030 RD132 RD140 RD160 43822040 17 OPTIONAL PROTECTIVE REVERB SCREEN The optional protective Reverb Screen acts as a s...

Page 20: ...D060 RD066 RD070 RD080 26 43872980 Orifice 3 32 for RD030 RD060 Natural Gas 11 43862030 Manifold for RD100 RD120 27 43872520 Orifice 52 for RD033 RD066 RD100 RD132 Propane Gas 12 43862040 Manifold for...

Page 21: ...Form 43219040 Oct 2013 21 WARNINGS CARD This card is furnished with each heater Additional copies may be ordered under part no 43344970 20...

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