IM 971-3 • MAVERICK I 78 www.DaikinApplied.com
Controls and Operation
To Shut Down Furnace
1. Set the thermostat to the lowest setting.
2. Turn OFF all electric power to the unit if service is to be
performed.
3. Remove control door.
4. Move control knob to the “OFF” position.
5. Replace control door.
Burners
Burners for these units have been designed so that field
adjustment is not required. Burners are tray-mounted and
accessible for easy cleaning when required.
Manual Reset Over-Temperature Control
DANGER
DO NOT JUMPER THIS DEVICE! DO NOT reset the over-temperature
control without taking corrective action to assure that an adequate supply
of combustion air is maintained under all conditions of operation. Failure
to do so can result in carbon monoxide poisoning or death. Replace this
control only with the identical replacement part.
Two manual reset over-temperature controls are located on
the burner shield. These devices sense blockage in the heat
exchanger or insufficient combustion air. This shuts off the
main burners if excessive temperatures occur in the burner
compartment.
Operation of this control indicates an abnormal condition.
Therefore, the unit should be examined by a qualified installer,
service agency, or the gas supplier before being placed back
into operation.
Pressure Switch
This furnace has two pressure switches for sensing a blocked
exhaust or a failed induced draft blower. They are normally
open and close when the induced draft blower starts, indicating
air flow through the combustion chamber.
Limit Control
DANGER
Do not jumper this device! Doing so can cause a fire or explosion resulting
in property damage, personal injury or death.
IMPORTANT
Replace this control only with the identical replacement part.
The supply air high temperature limit cut-off is set at the factory
and cannot be adjusted. It is calibrated to prevent the air
temperature leaving the furnace from exceeding the maximum
outlet air temperature.
Содержание Maverick I MPSA07D
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