38
8.
MAINTENANCE
In the event of the electric heater failing or to replace its anode, the electric
heater has to be removed from the NUOS.
Only replace with approved Ariston parts.
F
IG
. 8.1
A
E
LECTRIC
H
EATER
E
LEMENT
Removal Procedure for Inspection
Refer to fig. 8.1A.
1.
Isolate mains electrical supply to the NUOS by switching off and
removing fuse.
2.
Unscrew 5 screws (A) and remove cover (B).
3.
Disconnect wires and withdraw heating element (C).
4.
Replace element and refit, ensure wires are connected correctly.
To descale flange (F) or to replace the magnesium anode the flange (F)
has to be removed by removing 5 bolts (E), this necessitates draining the
cylinder - see 6.20.
CAUTION
Removing flange screws E
will release the stored
water.
For wiring see 5.9
WARNING
Where the room volume is less than the practical limit (see
5.2, page 18) always ensure that the door to the room does
not have a self-closing device before proceeding with any
maintenance.
8.1
R
EMOVING
& R
EPLACING
E
LECTRIC
H
EATER
E
LEMENT
Содержание NUOS FS 200
Страница 8: ...8 FIG 1 9A NUOS COMPONENTS IDENTIFICATION 1 9 NUOS COMPONENTS IDENTIFICATION ...
Страница 17: ...17 17 5 TECHNICAL DATA 5 1 DIMENSIONS FIG 5 1A DIMENSIONS ...
Страница 43: ...43 43 ...