28.3
Minimum pump speed ............................41
28.4
Maximum pump speed ...........................41
28.5
Flow temperature secondary circuit........41
28.6
Service counter ......................................41
28.7
Pump continuous....................................41
28.8
Eco/eco+ ................................................41
28.9
Post running of pump after HW ..............41
28.10
Post running of pump after CH ...............41
28.11
Minimum DHW Capacity ........................42
28.12
Maximum DHW Capacity .......................42
28.13
Maximum CH capacity ...........................42
28.14
Function Setting .....................................43
29.
Commissioning ........................................47
29.1
Electrical Checks....................................47
29.2
Gas Supply.............................................47
29.3
Connection to Pipe-work ........................47
29.4
Water Treatment ....................................47
29.5
Flushing System Pipe-work ....................47
29.6
Filling and Venting the System ...............47
30.
Combustion Ratio ....................................48
30.1
Commissioning NG and LPG .................48
31.
Setting the Maximum CO
2
Value .............48
31.1
Flue System Check ................................49
31.2
STB Test Button (Green)........................49
32.
Diagnostics ..............................................49
32.1
Control panel ..........................................49
33.
Fault Finding. ...........................................50
34.
Handing the boiler over............................54
34.1
Customer Familiarisation........................54
35.
Annual Servicing.....................................54
35.1
Service Inspection ..................................54
35.2
Pre-preventative Maintenance................55
35.3
Service records ......................................55
36.
Decommissioning the boiler.....................55
37.
User Instructions......................................56
37.1
Annual Servicing. ..................................56
37.2
Decommissioning the boiler. ..................56
37.3
Built-in clock ...........................................56
37.4
Boiler Control Panel ...............................57
37.5
System water pressure...........................57
37.6
On / off switch.........................................57
37.7
Lcd control display..................................57
37.8
Menu - reset button ................................57
37.9
Summer winter button ............................57
37.10
Engineers button ....................................57
37.11
Test button .............................................57
37.12
General ..................................................57
38.
Programming Menu options.....................58
38.1
Party.......................................................58
38.2
Hot Water Temperature..........................58
38.3
Day temperature function .......................58
38.4
Time/day function ...................................58
38.5
Setting the ch timer ................................58
38.6
Setting the hw timer................................59
38.7
Setting MR03 times ................................60
38.8
Night-time lower 0
o
c ...............................60
38.9
Holiday function......................................60
38.10
Installer...................................................60
Figure 1
Overall Dimensions mm. ....................12
Figure 2
Bottom View Dimensions mm. ...........12
Figure 3
Top View Dimensions mm .................13
Figure 4
Pump Head Height.............................13
Figure 5
Air Fan Curve.....................................13
Figure 6
Gas Valve ..........................................13
Figure 7
Pipe-work Layouts ............................16
Figure 8
Minimum Clearances .........................17
Figure 9
Removing the Casing.........................17
Figure 10
Fixing Dimensions..............................18
Figure 11
Flue Design........................................19
Figure 12
Thermal Lift ........................................20
Figure 13
Flue Preparation ................................21
Figure 14
Dimensions for cutting flue hole .........22
Figure 15
Wall Terminal .....................................22
Figure 16
Vertical Wall Terminal ........................23
Figure 17
Vertical Flue Application.....................23
Figure 18
Modular Installation............................23
Figure 19
Vertical Roof Terminals......................24
Figure 20
Concentric flue fittings........................25
Figure 21
Concentric 80mm adaptor..................25
Figure 22
80mm Flue Tubes ..............................25
Figure 23
Fan Flued Terminal Positions ............26
Figure 24
H Type Hydraulic system design........31
Figure 25
HS Type Hydraulic system design .....31
Figure 26
S Type Combi Hydraulic system design
32
Figure 27
Electrical Connections........................32
Figure 28
Connecting to the Mains ....................33
Figure 29
Boiler Control panel ...........................34
Figure 30
Weather Compensation .....................40
Figure 31
O/T Ctrl Flow temp 85
o
C. ...................40
Figure 32
O/T Ctrl Flow temp 70
o
C ....................40
Figure 33
O/T Ctrl Flow temp 50
o
C ....................40
Figure 34
Internal Wiring....................................46
Figure 35
Gas valve adjustments.......................49
Figure 36
Boiler Control panel ...........................56
Table 1
Dimensions & Connections ....................11
Table 2
Heating Specifications ............................11
Table 3
Capacities & Weights .............................11
Table 4
Hot Water Specifications ........................12
Table 5
Connection Values .................................12
Table 6
Minimum Clearances..............................17
Table 7
Flue Resistance......................................19
Table 8
Flue Terminal Positions. .........................26
Table 9
Ventilation...............................................28
Table 10
Expansion Vessel Req. ......................29
Table 11
System Contents................................30
Table 12
Programming Functions .....................39
Table 13
Installer Functions..............................39
Table 14
Minimum & Maximum fan speeds ......48
Table 15
CO
2
Outputs ......................................49
Table 16
LCD Display
‘NON FLASHING’
.........50
Table 17
LCD
‘NON FLASHING’
burner off .....50
Table 18
Fault Display
FLASHING
...................51
Table 19
Non Display Faults and Errors ...........51
Table 20
Reasons For Error Display.................52
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