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This option allows the furnace to be exercised. First, a low heat run time and high
heat run time are selected. The furnace will execute its ignition start--up sequence.
This sequence will be displayed on the screen. After the gas valve and blower
motor turn on, the screen will show the current operating status of the furnace. After
the selections are made, touch
START
.
S
Low Heat:
Selectable from 0 to 120 minutes
d
Default = 5 minutes
S
High Heat:
Selectable from 0 to 120 minutes
d
Default = 5 minutes
6.4.3.
Hydronic
This option allows the hydronic heat relay to be exercised. First, it will energize the
relay and turns on the blower. This sequence will be displayed on the screen. After
the selections are made, touch
START
.
S
Hydronic heater check:
Selectable from 0 to 120 minutes
d
Default = 5 minutes
6.4.4.
Air Conditioning
This option allows the air conditioner to be exercised. With a 2--stage AC unit, a
low cool and a high cool run time are independently selectable to exercise. The
display will change to show the AC operating status. After the selections are made,
touch
START
.
For 18VS heat pumps, you can select the stage at which the heat pump will
exercise. During the checkout, the stage and time can be changed by pressing the
Change button on the checkout status screen.
NOTE
: Airflows during Checkout modes are fixed to the
EFFICIENCY
setting
and are independent of other airflow settings. To view airflows for normal air
conditioning cooling mode, exit the
CHECKOUT
screen and apply a heating
demand to the system.