Gas Heat (48Lc) - Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting

Fig. 7 - - 48/50LC Size 08- -12 Units, Panel and Filter Locations (48LC*09 Unit Shown)
OUTDOOR AIR
SCREEN
(HIDDEN)
Fig. 8 - - 48/50LC Size 14- -26 Units, Panel and Filter Locations (48LC*14 Unit Shown)

Gas Heat (48LC)

Inspect the gas heat section of the unit. Verify the number of
burners match the number of heat exchanger openings and the
burner assembly is properly aligned. If the orifices were changed
out for elevation or Liquid Propane purposes, verify proper
installation. Visually inspect other components in heat section.
CONTROL BOX
ACCESS PANEL
GAS SECTION
ACCESS PANEL
UNIT FRONT
CONTROL BOX
ACCESS PANEL
INDOOR
BLOWER
ACCESS
PANELS
FILTER
ACCESS PANEL
INDOOR BLOWER
ACCESS PANEL
FILTER AND
INDOOR COIL
ACCESS PANEL
Verify gas pressures before turning on heat as follows:
1. Close the field-supplied manual gas shut off valve, located
external to the unit.
2. Connect a pressure gauge to the supply gas pressure tap,
located on the field-supplied manual gas shut off valve (see
Fig. 9).
8
INDOOR COIL
ACCESS PANEL
UNIT BACK
GAS SECTION
ACCESS PANEL
C14322
C11475