31
7217402.01 - en
INSTRUCTIONS FOR USERS
1.
Instructions prior to installation
32
2.
Instructions prior to commissioning
32
3.
Commissioning the boiler
33
4.
Adjusting CHW and DHW temperatures
34
5.
Filling the system
35
6.
Turning off the boiler
35
7.
Prolonged shutdown. Frost protection
35
8.
Gas conversion
35
9.
Troubleshooting 36
10.
Routine maintenance instructions
36
11.
General precautions
37
12.
Warnings prior to installation
37
13.
Template for fixing the boiler to the wall
38
14.
Dimensions of boiler
38
15.
Connecting the mains supply
39
16.
Connecting the room thermostat
39
17.
Gas conversion
40
18.
Information on display
42
19.
Parameter settings
44
20.
Adjustment and safety devices
45
21.
Positioning the ignition and flame-sensor electrode
46
22.
Checking combustion parameters
46
23.
Pump capacity/head
46
24.
Draining the storage boiler
47
25.
DHW expansion vessel (available on request)
47
26.
Connecting the external probe
48
27.
Connecting the remote control unit
49
28.
Electrical connection to a zone system
50
29.
Annual service
51
30.
Cleaning the filters
52
31.
Removing scale from the DHW circuit
52
32.
Dismounting the water-water heat exchanger
52
33.
Disassembling the boiler anode
52
34.
Dismantling, disposal and recycling
52
35.
Functional circuit diagram
53
36.
Wiring diagram
54
37.
Technical data
55
38.
Technical parameters
56
39.
Product fiche
57
CONTENTS
INSTRUCTIONS FOR USERS
INSTRUCTIONS FOR FITTERS
