Automatic Filling (Hl(S)7U1Sa; Hl(S)9U1Sa,Hl(S)11U1Sa, Hl(S)7U3Sa, Hl(S)9U3Sa, Hl(S)11U3Sa); Electrical Connections - Harvia HL7U1SA Owner's/Operator's Manual

3.5. Automatic filling (HL(S)7U1SA,

HL(S)9U1SA,HL(S)11U1SA, HL(S)7U3SA,
HL(S)9U3SA, HL(S)11U3SA)
Connect the heater to cold water mains using a
flexible hose. Make sure that the connection has
a shut-off valve and vacuum breaker. See figure 7.
The sauna and/or washing facilities should have a
floor drain in case of hose damage or leaks. Follow
the local installation regulations.
HL(S)7U1S(A)
HL(S)9U1S(A)
HL(S)11U1S(A)
240V 1-Phase Combi heater
(Automatic water filling)
HL(S)7U3S(A)
HL(S)9U3S(A)
HL(S)11U3S(A)
208V 3-Phase Combi heater
(Automatic water filling)
Figure 8. Electrical connections of heater
EN

3.6. Electrical Connections

The heater may only be connected to the electrical
network in accordance with the current regulations
by an authorised, licensed professional electrician.
The wiring diagrams are included in the control
unit's installation instruction.
Further instructions concerning exceptional installa-
tions can be obtained from local electrical authorities.
HL(S)7U1S
HL(S)9U1S
HL(S)11U1S
240V 1-Phase Combi heater
(Manual water filling)
10 A
HL(S)7U3S
HL(S)9U3S
HL(S)11U3S
208V 3-Phase Combi heater
(Manual water filling)
10 A
11