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POWER EXHAUST

DISCHARGE

(OPTIONAL)

EV

APORA

T

O

R

COILS

CONDENSA

TE

DRAIN

HUMIDITROL

COILS

(OPTIONAL)

BURNERS

GAS V

A

L

VES (2)

CONDENSER

COILS (4)

CONTROL

BOX

COMPRESSORS (4)

CONDENSER

F

ANS (6)

BLOWERS

FIL

TERS

ELEVEN − 16 x 25 x 2"

(406 x 635 x 51mm)

OR

16 X 25 X 4"

(406 X 635 X 102mm)

ECONOMIZER

(OPTIONAL)

ENERGY RECOVER

Y

WHEEL (OPTIONAL)

FIL

TER

DRIERS

SGA420,

 480, 540, 600 P

ARTS 

ARRANGEMENT

Содержание SGA420

Страница 1: ...on and service must be per formed by a qualified installer ser vice agency or the gas supplier D Do not try to light any appliance D Do not touch any electrical switch do not use any phone in your bui...

Страница 2: ...COILS OPTIONAL BURNERS GAS VALVES 2 CONDENSER COILS 4 CONTROL BOX COMPRESSORS 4 CONDENSER FANS 6 BLOWERS FILTERS ELEVEN 16 x 25 x 2 406 x 635 x 51mm OR 16 X 25 X 4 406 X 635 X 102mm ECONOMIZER OPTION...

Страница 3: ...errors can cause improper and dangerous operation Verify proper operation after servicing WARNING Danger of electrical shock explosion and fire Improper servicing could result in dangerous operation...

Страница 4: ...llow the gas supplier s instructions If you do not smell gas go to the next step 7 Turn the knob on the gas valve counterclockwise to ON Do not force 8 Close or replace the heat section access panel 9...

Страница 5: ...Service To maintain efficiency and longevity your equipment must be serviced yearly by a qualified service technician Failure to provide proof of service can void warranty CAUTION Label all wires prio...

Страница 6: ...t the position of the flame sensor Sensor should be centered in the path of the flame 3 Before each heating season examine the burners for any deposits or blockage which may have occurred Clean burner...

Страница 7: ...e box cover Clean the flue box with a wire brush as required 3 Clean the tubes with a wire brush 4 Reassemble the unit The flue box cover gasket and combustion air inducer gasket should also be replac...

Страница 8: ...8 The unit will operate at maximum heating input 3 Measure the manifold pressure at the gas valves Manifold pressures should be GV1 GV3 Natural 4 0 w c LP 10 8 w c GV4 GV5 Natural 3 7 w c LP 10 5 w c...

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