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Selecting Next will bring you to the Schematic menu, as shown in gure 16.
The schematic number refers to one of the plumbing schematics described in
the Appendices section.
Please ensure that your plumbing reects the diagram set up to ensure correct
operation. The schematic coding is explained below.
Numbers that are shaded grey do not change. These are determined by the type
of device being installed.
Numbers not shaded are determined by the type of installation being used.
Figure 16: Schematics
Table 3: Explanation of digits of schematic codes
The example schematics 1 and 2 (appendix) would
therefore both use the schematic code 10220290, as
they are both;
• mono-energy systems
• using an immersion heater
• two zones
• space heating and DHW functions
The difference between examples 1 and 2 is that
example 1 shows an example of a system requiring an
open by-pass while example 2 requires the installation
of a spring by-pass.
Table 4: Schematic codes information
1 0 0 0
3rd Digit
2: mono-energy (heat pump + electric back-up)
3: bivalent (heat pump with boiler as back-up)
4th Digit
0: no DHW function
2: using immersion heater (for top-ups above the
maximum achievable temperature of the heat
pump)
6th Digit
number of zones (up to 4 zones with UI and
temperature probe instead of thermostat)
7th Digit
1: space heating only
9: space heating + DHW
No. on UI Code Appendix No.
1 10200110 6.5
2 10200210 6.5
3 10200310 6.5
4 10200410 6.5
5 10220190 6.6
6 10220290 6.6
7 10220390 6.6
8 10220490 6.6
9 10300110 6.7
10 10300210 6.7
11 10300310 6.7
12 10300410 6.7
13 10310190 6.8
14 10310290 6.8
15 10310390 6.8
16 10310490 6.8
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