Reznor R8HE Unit Installation Manual Manual do Utilizador descarregar pdf (Página 11)

ELECTRICAL WIRING

WARNING:

ELECTRICALSHOCK,FIREOR

EXPLOSION HAZARD

Failuretofollowsafetywarningsexactlycould

resultinseriousinjuryorpropertydamage.

Improperservicingcouldresultindangerous

operation, serious injury, death or property

damage.

• Before servicing, disconnect all electrical

powertofurnace.

• Whenservicingcontrols,labelallwiresprior

todisconnecting.Reconnectwirescorrectly.

• Verifyproperoperationafterservicing.”

AVERTISSEMENT:

RISQUEDECHOCÉLECTRIQUE,

D’INCENDIE OU D’EXPLOSION

Le non-respect des avertissements de

sécuritépourraitentraînerunfonctionnement

dangereuxdel’appareil,desblessuresgraves,

lamortoudesdommagesmatériels.

Un entretein incorrect pourrait entraîner un

fonctionnementdangereuxdel’appareil,des

blessuresgraves,lamortoudesdommages

matériels

• Couper toute alimentation électrique au

générateur d’air chaud avant de prodéder

auxtravauxd’entretein.

• Aumomentdel’entretiendescommandes,

étiqueteztousleslsavantdelesdébrancher.

S’assurerdelesraccordercorrectement.

•S’assurer que l’appareil fonctionne

adéquatementaprésl’entretien.

• Electricalconnectionsmustbeincompliancewithall

applicable local codes with the current revision of the

National Electric Code (ANSI/NFPA 70).

• For Canadianinstallations the electrical connections

and grounding shall comply with the current Canadian

Electrical Code (CSA C22.1 and/or local codes).

IMPORTANT NOTE:

Ifreplacinganyoftheoriginalwiressuppliedwiththe

furnace,thereplacementwiremustbecopperwiring

having the same guage, voltage, and temperature

rating.

Pre-ElectricalChecklist

(Single & 3-Phase Models)

√ Verify the voltage, frequency, and phase of the supply

source match the speciﬁcations on the unit rating plate.

√ Verify that the service provided by the utility is sufﬁcient

to handle the additional load imposed by this equipment.

See Table 16 (page 35) (or the unit rating label) for

proper high voltage wiring requirements.

√ Verify factory wiring is in accordance with the unit wiring

diagram. Figure 13 (page 37), Figure 14 (page 38),

& Figure 15 (page 39). Make sure the connections

didn’t loosen during shipping or installation.

√Phasebalanceon3phaseunitsmustalwaysbe

checked.SeeUnbalanced3-PhaseSupplyVoltage

section(page12).

Grounding

WARNING:

Theunitcabinetmusthaveanuninterruptedor

unbrokenelectricalgroundtominimizepersonal

injuryifanelectricalfaultshouldoccur.Donot

usegaspipingasanelectricalground!

This unit must be electrically grounded in accordance with

local codes or, in the absence of local codes, with the

National Electrical Code (ANSI/NFPA 70) or the CSA C22.1

Electrical Code. Grounding of the unit is accomplished

by using the grounding lug provided in the control box.

LineVoltage

• Thelinevoltagetotheunitshouldbesuppliedfroma

dedicated branch circuit containing the correct fuse or

circuit breaker for the unit.

• Anelectricaldisconnectmustbelocatedwithinsight

ofandreadilyaccessibletotheunit. This switch shall

be capable of electrically de-energizing the outdoor unit.

See unit data label for proper incoming ﬁeld wiring. Any

other wiring methods must be acceptable to authority

having jurisdiction.

• Useonlycopperwireforthelinevoltagepowersupply

to this unit. See Table 17 (page 35). Use proper

code agency listed conduit and a conduit connector

for connecting the supply wires to the unit. Use of rain

tight conduit is recommended.

• Providepowersupplyfortheunitinaccordancewith

the unit wiring diagram and the unit rating plate.

• Overcurrentprotectionmustbeprovidedatthebranch

circuit distribution panel and sized as shown on the unit

rating label and according to applicable local codes.

See Table 16 (page 35) or the unit rating plate for

minimum circuit ampacity and maximum overcurrent

protection limits.

• Awiringdiagramislocatedontheinsidecoverofthe

control access panel of the outdoor unit. The installer

should become familiar with the wiring diagram before

making any electrical connections to the outdoor unit.

See Figure 13 (page 37), Figure 14 (page 38), &

Figure 15 (page 39).

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