Carrier 48PG16 User Manual

Page 3

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9. Remove pressure gage or manometer and replace

manifold pressure tap plug.

10. Start up unit. With burners ignited, check pressure tap

plug for gas leaks. Repair if necessary.

11. Close and secure gas section access door.
12. Set thermostat to desired temperature (units with electro-

mechanical control). For units with ComfortLink™
control, 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 Trouble-
shooting Instructions for more details on use of Service
Test. For normal operation, make sure that the set points
are at the normal heat set points.

13. Remove warning tags from disconnect switch and gas

supply shutoff valve.

MAIN
GAS
VALVE

MANIFOLD
MOUNTING
SCREWS

MANIFOLD
MOUNTING
SCREWS

MANIFOLD
PRESSURE
TAP PLUG

Fig. 3 — Typical Main Burner Section

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