5
ENG-021B/f.
2. Bring to the place where the
heater is to be situated, three-
phase installation, in accordance
with proper standards.
3. Bring water pipes to the marked
places, keeping in mind that the
cold water inlet is on the right-
hand side (G1/2”), the hot water
outlet is on the left hand side
(G1/2”). Figure 2 shows where
the heater should be incorpo-
rated in the water system.
4. Remove the case (fig.3); undo the
fixing screw [15]; take the case
out of bottom catches [16]
5. Fix the heater on the fixing hooks
after inserting the supply wire
through the hole [5a] or through
the hole with removed plug [5],
(fig.10).
6. Connect electric supply wires ac-
Fig.5 Electrical connection
[F] - tripolar circuit - breaker
Fig.4 Water connection
[17] - water inlet - cold water
[18] - water outlet - hot water
[19] - flow regulating valve
[U] - gasket
4
5
6
Fig.6 Safety temperature limiter
WT3
a) - to switch it on
b) - limiter "on"
a)
b)
Electric installation should be
equipped with safety (power- -
differential) circuit breaker and
other devices which will ensure
disconnecting the heater from
the source of power (intervals
between all their poles should
not be less than 3 mm).
cording fig.5. Connect wires to electric terminal XP or after dismantling electric terminal with wires, directly
to temperature limiter [3]
7. Remove rubber plugs from cold and hot water fittings.
8. Insert a flow regulating valve [19] between the heater and cold water inlet (fig.4).
9. Connect the heater to the water system with the fittings [17] and [18] (fig.4).
10. Flood the heater by letting cold water in (allow mains pressure gets to the appliance) and check connection
for leaks.
11. Check the installation according to Venting section
12. Make sure that the WT3 [3] safety temperature limiter (fig.6) is at a working position (the knob should be
pushed in).
13. Perform regulation according to Regulation section
14. Place the case into two bottom catches [16], screw up the case with fixing screw [15].
15. Make sure that there is no access to live parts through the holes at the back plate.
