
CONTENTS
al information
Pages
1.1 General warnings
1
1.2 Product conformity
9
2. Technical characteristics
2.1 Technical data
10
2.2 Dimensions
11
2.3 Internal parts of the boiler
12
2.4 Water circuit
13
2.5 Circulation pump head/flow graph
14
2.6 Printed circuit board
– Technical characteristics
15
2.7 Control panel
15
3. Installation
(authorized personnel)
3.1 Reference standard
16
3.2 Unpacking
17
3.3 Installation boiler
18
3.4 Water connections
19
3.5 Domestic Hot Water Circuit / Hard Water Warning / Expansion Tank
21
3.6 Piping Diagram
22
3.7 Condensate Drain
23
3.8 Gas connection
24
3.9 Electrical connections
25
3.10 Venting connections
28
3.11 Twin Pipe Venting connections
32
4. Commissioning the appliance
(authorized personnel)
4.1 General warnings
37
4.2 Filling the system
38
4.3 Flushing the system
35
4.4 Filling the condensate trap
35
4.5 Starting up the boiler
36
5. Regulating the appliance
(authorized personnel)
5.1 Parameters table
37
5.2 Setting the parameters
38
5.3 Gas Data
45
5.4 Converting the Boiler to a Different Gas Type
46
Summary of Contents for PCI 20-H
Page 8: ...GENERAL INFORMATION 5 ...
Page 9: ...GENERALInformation 6 ING ...
Page 10: ...GENERALInformation 7 ...
Page 11: ...GENERALInformation 8 ...
Page 33: ...INSTALLATION INSTRUCTIONS 29 Venting Pictures Illustrations ...
Page 34: ...INSTALLATION INSTRUCTIONS 30 Included With Each Combination Boiler Is A PAHVK Horizontal Kit ...
Page 38: ...INSTALLATION INSTRUCTIONS 34 ...
Page 73: ...69 6 13 Sequence of Operations ...
Page 74: ......