Commissioning; Electrical Installation; Gas Supply Installation; Filling The D.h.w. System - Biasi RIVA PLUS M90D.24S User Manual And Installation Instructions

7

COMMISSIONING

Ensure that the Benchmark Log Book is satis-
factorily commpleted during the commssion-
ing process. The Log Book is located at the end
of this manual. This manual should be handed
to the User following completion of the installa-
tion and commissioning process. Failure to
comply with these requirments may invalidate
the manufacturers guarantee.
For Ireland (IE), it is necessary to complete a
"Declaration of Conformity" to indicate com-
pliance to I.S.813.2002.
7.1

Electrical installation

Preliminary electrical system checks to ensure
electrical safety shall be carried out by a compet-
ent person. i.e. polarity, earth continuity, resis-
tance to earth and short circuit.
If a fault has occurred on the appliance the fault find-
ing procedure should be followed as specified in the
service manual.
7.2

Gas supply installation

1 Inspect the entire installation including the gas
meter, test for soundness and purge, all as de-
scribed in BS 6891.
For Ireland (IE), refer to I.S.813.2002.
2 Open the gas cock 13 (Fig. 7.1) on the
appliance and check the gas connector on the
appliance for leaks.
Fig. 7.1
7.3

Filling the d.h.w. system

1 Close all hot water draw--- off taps.
2 Open the cold water inlet valve 12 (Fig. 7.1).
30
Open position
13 12
3 Slowly open each draw--- off tap and close it
only when clear water, free of bubbles, flows
out.
7.4

Initial filling of the system

1 Open the c.h. flow and return valves.
2 Remove the front panel of the case (see the
section 9.2 in this manual.
3 Unscrew the cap on the automatic air purger-
valve 21 (Fig. 7.2) one full turn and leave open
permanently.
4 Gradually open stopcock at the filling point
connection to the c.h. system until water is
heard to flow; do not open fully.
Fig. 7.2
5 Open each radiator air vent starting at the
lowest point of the system and close it only
when clear water, free of bubbles, flows out.
6 Purge the air from the pump by unscrewing the
pump plug 20 (Fig. 7.2); release the pump
shaft by turning in the direction indicated by
the arrow on the information plate.
7 Replace the pump plug.
8 Continue filling the system. The actual reading
should ideally be 1,3 bar and not less than 0,3
bar.
9 Close all air release valves on the c.h. system.
10 Inspect the boiler and the system for water
soundness and remedy any leaks discovered.
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