Table of Contents
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10 Commissioning
10.1 Initial lighting per module
10.2 Shutdown
11 control and safety equipment
11.1 General 33
11.1.1 Instrument panel layout
11.1.2 LED indicators
11.2 Switch function keys
11.2.1 Manual/automatic operation
11.2.2 Forced mode 'high' (h [[)
11.2.3 Forced mode 'low' (l [[)
11.3 Display of values
12 Operating mode
12.1 Operating mode (x [[)
12.3 Control strategy c
12.4 Shut-offs (b xx)
12.4.1 Shut-off
12.4.2 Shut-off mode
12.5 Counter mode (1, , and .)
(service level)
12.5.1 General
12.5.2 Reading out counter mode
13 Setting mode
13.1 User level setting mode (X [[)
13.1.1 Flow temperature (!)
13.1.2 Pump run on time (@)
13.1.3 Boiler control per module (A)
13.2 Setting mode service level
(only for the qualified service engineer)
(X [[)
13.2.1 Minimum fan speed ($ and 5)
13.2.2 Maximum fan speed (^ and 7)
13.2.3 Forced part load time (*)
13.2.4 Cycling prevention delay time (() 41
13.2.5 Required flow temperature at
0 - 10 volts (a and B)
13.2.6 High operation signal
switch point (C)
13.2.7 Shunt pump post-circulation
time (D)
13.2.8 dT from control stop point to
start point (E)
13.2.9 Maximum flue gas
temperature (F)
13.2.10 Maximum temperature
setting (G)
13.2.11 Modulation start point at dT (H)
13.2.12 Minimum water pressure (I)
13.2.13 Adjustments options/
accessories (J)
13.2.14 "Low" speed with H/L control (L) 42
13.2.15 Boiler type (P)
30
14 Fault-finding
30
14.1 General
32
14.2 Failure mode (1 [[) (service level)
14.3 Cooling mode
33
14.4 Summary of failures per boiler module
(lock-out)
33
34
15 Inspection and maintenance instructions
34
15.1 General 47
34
15.2 Cooling mode
34
15.3 Annual Inspection
34
15.4 Maintenance
34
15.4.1 Inspection of air box and
35
15.4.2 Cleaning the non return valve
35
36
15.4.3 Cleaning the venturi
36
36
15.4.4 Cleaning the fan
36
15.4.5 Cleaning the heat exchanger
37
37
15.4.6 Cleaning the burner assembly
37
15.4.7 Cleaning the condensate collector
38
38
15.4.8 Cleaning the syphon
38
39
15.4.9 Cleaning/Replacing the Ignition/
39
15.4.10 Cleaning the inspection glass
39
41
15.5 Exploded view and spare parts list
41
16 appendices
41
16.1 Control menu
16.2 Shut-off codes per boiler module
41
41
41
41
41
42
42
42
42
42
3
dirt trap (per boiler module)
(per boiler module)
(per boiler module)
(per boiler module)
(per boiler module)
(per boiler module)
(per boiler module)
(per boiler module)
Ionisation electrode
(per boiler module)
(per boiler module)
43
43
43
43
43
47
47
47
47
48
48
48
48
49
49
49
50
50
50
51
54
54
55
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