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26 | Electrical connections
DANGER: Electric shock!
▶ Field wiring connections and electrical
grounding must comply with local
codes, or in the absence of local codes,
with the latest edition of the National
Electric Code, ANSI/NFPA 70, or in
Canada, all electrical wiring must
comply with the local codes and the
Canadian Electrical Code, CSA C22.1
Part 1.
DANGER: Electric shock!
Shock hazard: line voltage is present.
▶ Before servicing the water heater,
unplug power supply cord from outlet.
Failure to do so could result in severe
personal injury or death.
The water heater requires an electrical power supply from a
120VAC / 60Hz properly rated receptacle and must be
properly grounded.
The water heater is wired as shown in the wiring diagram
(chapter 12, Fig. 34).
Fig. 20
Connecting power supply cord
[1] Waterproof outlet
[2] Power cord length: 5.9ft (1.8m).
Note: The power supply that the appliance is plugged into
should be protected from possible water damage. Observe
proper clearance to avoid damages.
7.2
Position of the fuses in control unit
To check the fuse, proceed as follows:
▶ Disconnect the unit from the power supply before
removing the front cover.
▶ Remove the front cover, see fig. 3, page 9.
▶ Remove the two phillips head screws securing the control
unit.
▶ Disconnect all the cables from the control unit.
6 720 817 281 (2017/05)
▶ Press the four snaps of the control unit and remove the
cover.
Fig. 21
Control Unit
▶ Press the four snaps inside the control unit and remove the
PCB.
▶ Check the fuse on the printed circuit board, for electrical
continuity, see fig. 22, [1].
Fig. 22
Fuse position
[1] Fuse
▶ After checking the fuse, reinstall all parts in reverse order.
Greentherm 9800 SEO 160/199 | SECO 199
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