Operating Instructions and Installation Instructions
31
Installation – for qualied contractors
8. Equipment description
The bare wire heating system is suitable for soft and hard
water areas (see chapter “Specication”).
8.1 Equipment layout
18
kW
24
21
38°
55°
18
kW
24
21
OFF
3s
1
12
24
2
13
25
3
4
16
14
15
27
5
17
26
6
18
28
7
19
8
20
9
21
10
22
11
23
D0000037816
1 Rotary selector with keys and display 15 High limit safety cut-out (STB) with reset button
2 Appliance cap 16 Heating system
3 Lower section, back panel 17 Flow sensor
4 DHW compression fitting 18 Temperature selector plug "set T"
5 Cold water compression fitting 19 Type plate
6 Top, back panel 20 Mounting bracket
7 Electronics 21 Stud for mounting bracket
8 Coding card for output changeover to 18, 21 or 24 kW (on
appliances with output selection)
22 Cable grommet (power cable from above/below)
9 Plug-in position for the temperature selector cable 23 Twin nipple 2 x (cold water with shut-off valve)
10 Safety pressure limiter (AP 3) with reset button 24 Flat packing
11 Mains terminal 25 Screws, rawl plugs for securing the lower back panel
12 Knock-out for power supply from above 26 Operating and installation instructions
13 Fixing toggle 27 Installation template
14 Outlet sensor 28 Wireless remote control FBM Comfort