Williams 6257732 Bedienerhandbuch PDF herunterladen (Seite 17)

Electrical Wiring

WARNING

DANGER OF PROPERTY DAMAGE,

BODILY INJURY OR DEATH.

TURN OFF ELECTRIC POWER AT FUSE BOX

OR SERVICE PANEL BEFORE MAKING ANY

ELECTRICAL CONNECTIONS.

INSULATE WHERE NECESSARY.

ALL LINE VOLTAGE AND GROUND CONNEC-

TIONS MUST BE COMPLETED BEFORE

ELECTRICAL POWER IS RESTORED.

All electrical work must conform to your local codes and

ordinances or in their absence, with National Electrical

Code, ANSI/NFPA 70. If you are not familiar with wiring

codes, in general, have a competent electrician do this job.

In Canada: Follow C22.1, Canadian Electrical Code.

CAUTION

Label all wires prior to disconnection when servicing

controls. Wiring errors can cause improper and

dangerous operation. Verify proper operation after

servicing.

JUNCTION BOX

Power supply connections are made inside the junction

box in the upper left corner of the cabinet. See Fig.26.

CAUTION I

Do not connect 115V service line to the gas control

valve or wall thermostat.

ELECTRICAL CONNECTION

Connect 115V. conduit to top of furnace as shown in Fig.

18, pg. 13. Remove screws holding junction box cover and

transformer for access to junction box. Remove the cover

plate with transformer attached.

Pull supply wires through conduit and into junction box.

Attach your 115V.supply wire to "LINE" factory wires. Use

wire nuts provided.

Replace junction box cover and make final ground

connections with screws for plate cover.

Refer to paragraph covering GAS AND ELECTRICAL

SUPPLY OPENINGS, pg. 9. Follow Wiring Diagrams, pgs.

27 and 28.

If you have any doubt regarding electrical hookup, or com-

pliance with code or ordinace, consult your electrical

inspector or a licensed electrician.

HELPFUL HINT

After wire nuts are screwed to wires, a small strip of elec-

trical tape can be applied over wire nut at its base and

onto wires to make a very solid connection.

GROUNDING

A ground lug is installed for the ground connection. Use

a copper conductor (#AWG) from the unit to a grounded

connection in the electric service panel or a propedy driven

and electrically grounded ground rod.

ELECTRICAL POWER SUPPLY

A branch circuit including this furnace must not exceed

15 amperes or run a separate 115V., 60 Hz., 15 Ampere

circuit from a separate circuit breaker or fuse in your serv-

ice panel to the furnace junction box. Do not run supply

wires inside the furnace cabinet, except from the top of

cabinet down to junction box. Connect as shown in Fig. 26.

CONNECTING SUPPLY WIRING

WIRES MARKED LINE

PUSH BACK INSIDE

JUNC lION BOX

MAKE CONDUIT

CONNECTION HERE

_ ,,__ lO THERMOSTA"

_ !!) AO,NE

MAKE WIRE CONNECTIONS

"J" BOX COVER PLATE

_HOWN REMOVED)

TO APPROVED

GROUND

_(FIELD WIRED)

MOTOR GROUNI

FACTORY WIRED

ON TRANSFORMER TO GAS VALVE

LOW VOLTAGE CONNECTIONS

CAUTION

The Heat Anticipator WILL BURNOUT if 24 volts are

applied directly to thermostat by shorting out the gas

valve or primary control during testing or by incorrect

wiring.

WALL THEMOSTAT WIRING

Run thermostat wire to the furnace.

Connect thermostat to two wires marked "Thermostat"

extending from top of furnace, using two wire nuts pro-

vided. See Wiring Diagrams, pgs. 27 and 28. Refer to Fig.

15, pg. 11, also,

Replace fan to original position on motor shaft, tighten-

ing securely. Replace fan shroud, making sure it is

centered vertically on the fan.

Tighten screws securely.

Replace top front panel and secure with thumbscrew.

COMPLETE WIRING DIAGRAMS ON PAGES 27 AND 28.

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