Laura wall-hung waterheaters
Table of Contents
Overall dimensions03
Pre-plumbing jig and Wall Spacing Frame04
Installation recommendations05
Start-up Checklist (I)06
Start-up Checklist (II)07
Pressures of gas08
Electronic PCB09
Electrical wiring Laura 2020 F 10
Electrical wiring
Main components (I)
12
Main components (II)13
Control panel14
Stop and fault19
Hydraulic circuit
21
Mains Water Inlet22
Demand for Heating23
Mini-accumulator
24
Safety valve and By-Pass25
3-way valve26
Gauge and Lack-of-water pressure switch27
Central Heating mode operation28
Flame safeguard rectification system (I)31
Flame safeguard rectification system (II)32
Chimney “pull” safety 20/20
33
Process of code 2234
Combustion chamber36
Kit valve G20 and G2537
Cross-section of gas valve
Gas changeover Kit
38
Components of the boilers F and T
39
Flue duct kit (II)
41
Flue duct kit (V)
43
Flue duct kit (VII)
44
Central Heating programming (I)
45
Central Heating programming (II)
46
Central Heating programming (IV)
47
Central Heating programming (V)
48
Set-Up (I) - TECHNICIAN ONLY
49
55
56
Flue duct kit (III)
42
1
11
Sleeve15
Demand for Heating16
Demand for DHW (Winter)17
Flue duct kit (I)
40
Demand for DHW (Summer)18
DHW mode operation29
Overheat thermostat30
Burner
35
Set-Up (II) - TECHNICIAN ONLY
50
Mantenance
51
Fault codes
52
Outlines hydraulic (I)
53
Outlines hydraulic (II)
54
Table of contents01
Overall view02
Set Time
20
Central Heating programming (III)
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