Ariston ARI POU-12 Manuale d'uso e manutenzione - Pagina 10

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Ariston ARI POU-12 Manuale d'uso e manutenzione

Part 4 - Wiring

Install wiring and electrically ground appliance in accordance

with the authority having jurisdiction or, in the absence of such

an authority, follow the National Electrical Code, NFPA 70, and/

or CSA C22.1 Electrical Code-Part 1 in Canada. Failure to follow all

applicable local, state, and national regulations, mandates, and

building supply codes for guidelines to install the electrical power

supply could result in property damage, serious personal injury, or

death.

Jumping out control circuits or components WILL VOID product

warranty and can result in property damage, personal injury, or

death.

It is of extreme importance that this unit be properly grounded. It

is very important that the building system ground is inspected by

a qualified electrician prior to making this connection. Electrical

power must only be turned on when the appliance is completely

filled with cold water. Failure to follow these instructions could

result in component or product failure, serious injury, or death.

ELECTRICAL SHOCK HAZARD – To ensure safety, turn off electrical

power supply at service entrance panel before making any electrical

connections to avoid possible electric shock hazard. Failure to do so

could result in property damage, serious personal injury, or death.

The presence of water in the piping and water heater does not

provide sufficient conduction for a ground. Nonmetallic piping,

dielectric unions, flexible connectors, etc. can cause the water

heater to be electrically isolated.

Label all wires prior to disconnecting them when servicing the

appliance. Wiring errors can cause improper and dangerous

operation. Failure to follow these instructions may result in

property damage or personal injury.

All wiring must conform to local codes and/or the latest edition of

National Electrical Code ANSI/NFPA 70. Refer to wiring diagrams in

this manual for proper wiring connections.

When making electrical connections, ensure that:

• The electrical supply has the proper overload fuse or breaker

protection.

• Wire sizes and connections comply with all applicable codes.

• Wiring is enclosed in approved conduit (if required by local

codes).

• The water heater and electrical supply are propertly grounded.

All wiring should be done by a qualified licensed electrician or the

local electric utility.

lp-772 Rev. 000 Rel. 000 Date 3.17.21

NOTE: Before closing the switch to allow electric current to flow to

the water heater, make certain that the water heater is completely

full of water and that the cold water inlet valve is open. The heating

element will be damaged if they are energized for even a short time

when not completely immersed in water. When the switch is closed

the operation of the water heater is automatic. This water heater is

designed for operation as specified on the rating plate. All electrical

connections to the element and thermostat have been made at the

factory. DO NOT ALTER any of the internal wiring. Wiring connections

may loosen during shipment. Check all connections for tightness.

A. Provide a separate fused disconnect switch for each water heater.

B. Open cover door of the wiring connection box.

C. Bring the power leads from an adequately fused disconnection

switch (not furnished with the water heater due to varying state

and local codes) and use wire nuts to connect the power supply

wiring to the wires inside the water heater connection box. Where

long runs of wiring occur, local ordinances or the utility company

necessitates that an increase in size may be required.

D. This water heater must be properly grounded. A ground lug

is provided within the electrical control box for connection of a

properly sized ground.

E. Close the cover door of the wiring connection box.

This guide recommends minimum branch circuit sizing and wire size

based on the National Electrical Code. Refer to wiring diagrams in

this manual for field wiring connections.

Recommended Over

Current Protection

Total

(Fuse or Circuit Breaker)

Heater

Amperage Rating

Wattage

120V

208V

1500*

1700

2000

2500

3000

3500

3800

4000

4500

5000

5500

6000

Table 5 - Electrical Specification

Do not use this water heater with any electrical supply voltage other

than the one listed on the data plate. This water heater is equipped

for use with one voltage rating only. Check the data plate on the

front of the water heater for the correct voltage rating. Failure to use

the correct voltage can cause problems which can result in property

damage, severe personal injury, or death. If you have any questions

or doubts, consult your electrical utility company before installing

the water heater.

Copper Wire Size

AWG Based on N.E.C.

Table 310-16 (75

240V

120V

208V

240V