Carrier 06 - Manual (Page 3)

3
Step 10 —
Set room thermostat selector slightly above room
temperature and set system switch to HEAT position to start the
unit. The induced--draft combustion air fan will start. Main burners
light within 30 seconds. Indoor blower will start within 60 to 90
seconds of main gas ignition.
Step 11 —
Set the temperature selector on room thermostat to
desired setting.
INDUCED
DRAFT
MOTOR
COMBUSTION
FAN HOUSING
MAIN GAS
VALVE
MAIN BURNER SECTION
HEAT EXCHANGER
SECTION
C06258
Fig. 1 -- Typical Gas Heating Section
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
If the main burners fail to light, or the blower fails to come on,
shut down gas heating section and call your dealer for service.
!
WARNING
TO LIGHT UNIT
(UNITS WITH COMFORTLINK
t
CONTROL)
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
1. Do not turn off the electrical power to unit without first
turning off the gas supply and applying lockout tags.
2. Before attempting to start the gas heating section, familiarize
yourself with all the procedures that must be followed.
3. Never attempt to manually light the burners on the unit with
a match, lighter, or any other flame. If the electric sparking
device fails to light the burners, refer to the shutdown
procedures, then call your dealer as soon as possible.
!
DANGER
See Fig. 1. for location of gas valve. Refer to Fig. 3 while
proceeding with the following steps:
Step 1 — Turn off the unit by using the Scrolling Marquee to
put the unit into Service Test mode. The Scrolling Marquee is
located on the front of the unit control box behind the control box
and compressor access door. Thermostat inputs and remote
network commands are ignored when Service Test mode is ON.
NOTE: A password may be required to change Service Test
values, depending on previous settings configured in the unit.
Default password is “1111.”
a. Press the ESCAPE key until a blank screen is shown.
b. Use the arrow keys to scroll the red LED on the display
to the “Service Test” position and press ENTER.
c. The control will display the Field Service Test Mode
(TEST) setting. Press ENTER once to select the TEST
setting for configuration. Press ENTER again for “OFF”
to begin flashing.
d. Use the arrow keys to change the configuration from
“OFF” to “ON,” then press ENTER to save the setting.
Step 2 —
Close the shutoff valve on the gas supply piping.
Step 3 — Turn off the electrical supply to the unit and install
lockout tag.
Step 4 —
Open the heat section access panel.
Step 5 — Move ON/OFF switch on the internal gas valve to the
OFF position and wait 5 minutes.
Step 6 —
Move ON/OFF switch on internal gas valve to ON
position.
Step 7 —
Close the heat section access panel.
Step 8 — Remove lockout tag and turn on the electrical supply
to unit.
NOTE: Normal operation will automatically begin. Service Test
mode will automatically end (exit) after a recycle of power.
Step 9 —
Open the shutoff valve on the external gas supply
piping.
Step 10 —
To test the operation of the gas section, the HEAT
submenu of Service Test may be used. See the Controls, Start--Up,
Operation, Service, and Troubleshooting Instructions for more
details on use of Service Test.
Step 11 — For normal operation, make sure that the set points
are at the normal heat set points.
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
If the main burners fail to light, or the blower fails to come on,
shut down gas heating section and call your dealer for service.
!
WARNING
48PD
,48PG