Ariston PRIMO HE ITSI 250 Instructions pour l'installation, l'entretien et le fonctionnement - Page 19

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3.14

Electrical Diagrams

Should the Economy 7 system not to be used, a separate 13 amp supply to

each element will be required through a double pole fused isolating switch

having a contact gap of at least 3mm on each pole.The immersion heater

shall be installed with 85°C rubber insulated HOFR-sheathed flexible cable

complying with Table 8 of BS 6141: 1991. Make the connection{s) to the

immersion heater(s) as per Fig. 3.13 and Fig. 3.14. For High Capacity 500

litre models see Fig. 3.15 (page 20).

Single Element

THERMAL

CUT-GLrr

THERMOSTAT

ELEMENT

Fig. 3.13

LI 0

N 0

THERMAL

CUT-OUT

THERMOSTAT

DAY ELEMENT

3kW

240V~

THERMAL

CUT-OUT

THERMOSTAT

N 0

NIGHT ELEMENT

3kW 240V~

ECONOMY?

Fig. 3.14