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ML180UH Parts Identification

FIGURE 1

HEAT EXCHANGER

ASSEMBLY

BURNERS

BLOWER

MOTOR

GAS VALVE AND

MANIFOLD

COMBUSTION AIR

INDUCER

TOP CAP

INTEGRATED

CONTROL

PRESSURE SWITCH

BLOWER ACCESS

PANEL

UPPER ACCESS

PANEL

NOTE - This manual is the property of the homeowner
and must be left with the equipment user.

Notice to Homeowner

This furnace is equipped with safety devices that protect

you and your property. If one or more of these devices is

activated, furnace operation will stop. If your home is left

unattended for an extended period of time, equipment op­
eration must be checked periodically. If this is not possible,
the water supply to the house should be shut off and the

pipes should be drained. This will prevent problems associ­
ated with a NO HEAT condition (frozen pipes, etc.)

Summary of Contents for ML180UH SERIES

Page 1: ...use any phone in your building D Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions D If you cannot reach your gas supplier call the fire department D Le...

Page 2: ...the equipment user Notice to Homeowner This furnace is equipped with safety devices that protect you and your property If one or more of these devices is activated furnace operation will stop If your...

Page 3: ...into the living space resulting in personal injury or death Your furnace is a gas appliance It is critical that the gas supplied to the unit be completely burned to avoid the pro duction of carbon mo...

Page 4: ...LD PRESSURE OUTLET PORT INLET PRESSURE PORT MANIFOLD PRESSURE ADJUSTMENT SCREW 9 Replace the upper access panel 10 Turn on all electrical power to to the unit 11 Set the thermostat to desired setting...

Page 5: ...rt Inspect the condensate drain and trap for leaks and cracks The drain and trap must also be cleaned and the trap must be filled with water During a seasonal check the service technician will con duc...

Page 6: ...ing Planned Service Pay attention to your furnace Situations can arise be tween annual furnace inspections that may result in unsafe operation For instance items innocently stored next to the furnace...

Page 7: ...ase see Service and Application Note H 04 9 2 Verify that system total static pressure and airflow set tings are within specific operating parameters 3 Clock gas meter to ensure that the unit is opera...

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