Carrier 48DU Instruction Manual download pdf (Page 6)

FLAME

SENSOR

BURNER (3)

MANIFOLD

ORIFICE (3)

TWO-STAGE90,000 BTUHTO 130,000 BTUH UNITS

FLAME

SENSOR

ORIFICE (3)

BURNER INSERT (3)

_ SPARKER

"__- - GASVALVE

.... .\

\ r _. i

ORIENTATION

OF BURNER

INSERT

(3)

BURNER (3)

TWO-STAGE 60,000 BTUH UNITS

A08565

PIPE PLUG

ORiFiCE (2)

ORIENTATION

OF BURNER

INSERT

I

/_ BURN ER RACK

TWO-STAGE 40,000 BTUH UNITS

Fig. 6 - Two-Stage Orifice Installation

A08509

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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