Appliance Description; Overview; Control Panel; Isolation Valves - Biasi RIVA PLUS M90D.24S User Manual And Installation Instructions

1

APPLIANCE DESCRIPTION

1.1

Overview

Fig. 1.1
1 Case front panel

2 Control panel

3 Control panel cover
1.2 Control panel
4 C.h. circuit temperature and pressure gauge
5 Time switch (c.h. control) *
6 Lock--- out signal lamp
7 Lockout reset button
M90D.24S
M90D.28S
10 9
M90D.24SR
M90D.28SR
Fig. 1.3
* not on M90D.24SR and M90D.28SR boilers
8 Function selector and c.h. temperature control
9 D.h.w. temperature control knob *
10 Appliance operation lights
1.3
1
2
3
Fig. 1.2 (bottom view of the boiler)
11 C.h. return valve
12 D.c.w. inlet valve *
13 Gas inlet valve
14 D.h.w. outlet pipe *
15 C.h. flow valve
1.4
For detailed technical data see section 4.4 or 4.5
of this manual.
8 7
knob

Isolation valves

15 14

Technical data

6 5
13 12 11
4
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