Misebach BBHD12-277 Operation And Service Manual Download Page 1 | Manualshive

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Summary of Contents for BBHD12-277

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Page 2: ...aust temperature 7 e Connecting and disconnecting 7 5 Operation 8 a Pre startup 8 b Startup and operation 8 c Shutdown 10 6 Bug Killing Conditions 10 7 Troubleshooting 11 8 Replacing Fuses 12 9 Replacing Resistors 12 10 Preventative Maintenance of the Heater 13 11 FAQ 14 12 Treatment Suggestions 17 13 Service Parts 18 Figure list 1 Total Assembly of BBHD12 277 2 Power Connections 3 Control Power 4...

Page 3: ...onents Total Assembly BBHD12 277 Lifting Handles Air Intake Hot Air Exhaust Figure 1b Figure 1a 120VAC Receptacles 277VAC Receptacles Telescoping Pull Handle Figure 1c Main Power Switch Digital Thermostat Resistor Power Switch Ready Light Switch Panel ...

Page 4: ...to bring outside air into the heater Unit Weight 26 lbs Dimensions BBHD12 277 18 7 x19 1 x12 0 a Power Specifications 3 Receiving WARNING ELECTRIC SHOCK HAZARD Electric shock can lead to severe injury or death If the heater has been damaged in transit do not operate until a competent technician inspects the unit and determines that it can be operated safely 1 Check the equipment for obvious damage...

Page 5: ...nd whenever the heater is left operating and unattended 4 Remove all animals and plants from area to be heated 5 Always unplug heater when not in use 6 Do not operate any heater with a damaged cord or plug or after the heater malfunctions or has been dropped or damaged in any manner Discard heater or return to authorized service facility for examination and or repair 7 Do not use outdoors 8 Do not...

Page 6: ...pe S or type SJ jacketed cord to a wall connection Cord and service rated to 15 AMP minimum c Air intakes and exhaust ports Caution All air intakes and exhaust ports must be clear and fully open This heater has one air intake designed for proper air flow Reducing or blocking air flow will lead to overheating and heater failure High volumes of cooling air are needed to prevent load elements from ov...

Page 7: ...ide the heater are sufficient to ignite flammable fumes or materials Failure to maintain proper housekeeping and properly securing flammable material could lead to fire burns and or injury Even with sufficient air flow internal component temperature will exceed 400 F Exhaust air temperature rise of 100 F can be achieved at full power Flammable materials must not be kept around the heater Heat from...

Page 8: ...s The heater will function with only the right receptacle being powered If all of the receptacles are not being powered the unit will reach a lower maximum temperature and the unit will take longer to heat a space to a desired temperature if that temperature can be reached It is recommended that all receptacles are powered especially for larger spaces or a higher desired temperature 4 Ensure all c...

Page 9: ...ol to the desired temperature being sensed at the thermocouple s 8 Allow the heater to hold the temperature of the room for the recommended time shown in table Time in Minutes to Mortality Chart 9 Note that your heater thermostat is programmed with a 2 F hysteresis value SET Button Temperature Display Temperature Controls Figure 4 Thermostat Figure 3 Powering the Controls 120VAC Cord Powering Cont...

Page 10: ...e unit to storage 6 Bug Killing Conditions The conditions below represent the recommended run time once the entire area has become fully heated Enclosed spaces such as clothes beds couches and drawers may take significantly longer to reach desired temperatures than exposed surfaces in the space being heated The information below has been obtained from various sources and has not been verified inde...

Page 11: ...heck over temperature sensors OTS See Figure 5 Check control fuse See Figure 5 Check resistor continuity See schematic Check resistor step fuses See Figure 5 Check the temperature set point SP Over temperature light This is an indication that the internal cabinet temperature has exceeded 150 F Make sure the cabinet is ventilated Check over temperature sensors OTS See Figure 5 Figure 5 Thermal Swit...

Page 12: ...Phillips head screwdriver remove the 18 screws from the cover panel Carefully remove the panel from the unit Service on fuses can then be performed 9 Replacing Resistors Consult Mosebach Manufacturing Co 10 24 Truss Head Bolt Figure 6 Replacing Fuses ...

Page 13: ...nthly Resistance readings Using an ohm meter check each step for the correct resistance The reactors should have continuity between input and output These values are part of Appendix B wiring schematic Check every 6 months Electrical Components Wiring Check throughout the unit for loose wires or electrical components that are no longer secure to their mounting plate Check every 6 months Fan Check ...

Page 14: ...ugged in or the unit will not operate This input is the one labeled Master Do I need all 120V and 277V extension cords plugged in No the units will run with fewer than four cords plugged in but at a reduced heat output We recommend using all four plugs as that will allow the unit to produce the most heat which provides the quickest heating time the ability to treat a larger space than with fewer t...

Page 15: ...absorb heat Spacing out the objects in the treatment area and circulating the heat will aid in the objects absorbing heat from the air Why is it taking so long to heat the area There are many factors that affect heating times They include size of the area voltage levels in the building and construction of the space Please see Heating Time Section in the owner s manual Heating times can be decrease...

Page 16: ...ion cords or reduce the cord s length The BBHD heater is rated for 120V or 277V single phase electric Supplying less voltage may result in insufficient airflow causing the clicking sound The fan is running but there is no heat First check the connection of the thermostat unit and set points Second make sure the air intake is further than three feet from a wall and it is unobstructed Lastly verify ...

Page 17: ...ress and box spring 6 Fans to help circulate the heat are recommended Fans must be rated to run in high temperature and should have low amperage draw to prevent tripping a breaker and losing treatment time 7 Correct voltages must be applied for the heaters to run properly The BBHD12 heaters are rated for 120V and 277V single phase 8 The starting temperature of the area will affect the time needed ...

Page 18: ...Company MOSEBACH MANUFACTURING COMPANY 1417 McLaughlin Run Road Pittsburgh PA 15241 3103 USA T 412 220 0237 Customer Care F 412 220 0236 www mosebachresistors com OM BBHD12 277 doc September 26 2016 SAVE THESE INSTRUCTIONS Description Part Number Fan BLWR 0055 0112 Resistor Elements RA 0400 0035 1 RA 0400 0035 2 RA 0400 0035 3 Fuses 5A AGC 5 20A EC 9500 1578 Temperature Controller EC 9500 1872 The...

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