4
10. Using the scrolling marquee, enable the unit to run using
the following procedure:
a. Push the
key until a blank display screen is
shown.
b. Push the
▼
key until the SERVICE TEST LED is lit.
c. Push the
key. The display will show STOP.
d. Push the
key again. The NO/YES display
will flash.
e. Push the
▲
or
▼
key to toggle the display to NO and
then push
. The unit will return to normal
operation and exit SERVICE TEST mode.
11. To test the operation of the gas section, use the scrolling
marquee Service Test routine to energize the gas outputs
and to turn on the gas. Refer to the unit Controls, Start-Up,
Operation, Service and Troubleshooting literature for
more information.
12. For normal operation, make sure that units with a conven-
tional thermostat are set to heating control temperature.
On VAV (variable air volume) and constant volume units
with a space temperature sensor, make sure that the set
points are at the normal heat set points.
Fig. 2 — To Light Unit
ESCAPE
ENTER
ENTER
ENTER
WARNING
If the main burners fail to light or the blower fails to start, shut
down gas heating section and call your dealer for service. Fail-
ure to follow these requirements could result in serious per-
sonal injury.
Run Status
Service Test
Temperature
Pressures
Setpoints
Inputs
Outputs
Configuration
Time Clock
Operating Modes
Alarms
Alarm Status
ENTER
MODE
ESCAPE
Run Status
Service Test
Temperature
Pressures
Setpoints
Inputs
Outputs
Configuration
Time Clock
Operating Modes
Alarms
Alarm Status
ENTER
MODE
ESCAPE
LOCK-OUT
TAG
ON
MAIN
OFF
STEP 1
STEP 2
STEP 3
STEP 4
STEP 10
STEP 5
STEP 6
STEP 7
ON
MAIN
OFF
STEP 8
STEP 9
