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Baxi Potterton
Condensing Combination Boiler manual
1
1
60
60
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60 pages, 3.83 Mb
© Baxi Heating UK Ltd 2012
Installation & Service Instructions
These instructions include the Benchmark Commissioning
Checklist and should be left with the user for safe keeping.
Heatmax
Combi HE
Range
Condensing
Combination Boiler
You can rely on
Contents
Main
2
Natural Gas
ISO 9001 FM 00866
Building Regulations and the Benchmark Commissioning Checklist
Installer Notification Guidelines
Legislation
Codes of Practice - refer to the most recent version
IMPORTANT - Installation, Commissioning, Service & Repair
Safe Manual Handling
CONTENTS
1.0 Introduction
1.1 Description
1.2 Optional Extras
1.3 Contents of Pack
2.0 General Layout
2.1 Layout
3.0 Appliance Operation
3.1 Central Heating Mode (Fig. 2)
3.2 Domestic Hot Water Mode (Fig. 3)
3.3 Frost Protection Mode
3.4 Pump Protection
4.0 Technical Data
4.1 Heatmax Combi 24, 28 & 33
Pump - Available Head
SAP 2005 Seasonal Efficiency for all models is 91.1%
SEDBUKDeclaration
5.0 Dimensions and Fixings
Dimensions
6.1 Information
6.2 Central Heating Circuit
6.3 Bypass
6.4 System Control
6.5 System Filling and Pressurising
6.6 Expansion Vessel (Central Heating only)
6.7 Safety Pressure Relief Valve (Fig. 6)
6.8 Domestic Hot Water Circuit (Fig. 7)
6.9 Showers
6.10 Hard Water Areas
7.1 Location
7.2 Clearances (Figs. 8 & 9)
7.0 Site Requirement
7.3 Ventilation of Compartments
7.4 Gas Supply
7.5 Electrical Supply
7.6 Bath & Shower Rooms
7.7 Condensate Drain
7.7 Condensate Drain (cont.)
50mm per metre of pipe run
2.5 Minimum fall
Page
Page
Horizontal Flues
This bend is equivalent to 1 metre
Total equivalent length = A+B+C+2x90Bends
B
AC
This bend is equivalent to 1 metre
8.1 Horizontal Flue Systems
Y
C
A
X
B
8.3 Flue Accessories
24
8.6 For Roof Terminals
8.7 Flue Dimensions
8.8 Flue Trim
8.9 Terminal Guard (Fig. 21)
9 .1 Plume Displacement Kit (Fig. 23)
X Y
28/33
28/33
9.2 Determining Permissible Lengths
50mm
30mm
9.3 General Fitting Notes
9.3 General Fitting Notes (cont.)
30mm
70
10.1 Unpacking & Initial Preparation
10.2 Flushing
10.3 Fitting The Boiler
10.4 Fitting the Safety Pressure Relief Discharge Pipe (Fig. 44)
10.5 Condensate Drain (see section 7.7)
10.6 Fitting The Flue
10.6 Fitting the Flue (Cont)
10.7 Making The Electrical Connections
10.8 Preliminary Electrical Checks
11.0 Commissioning
11.1 Commissioning the Boiler
x 2
Pressure
12.0 Completion
12.1 Completion
13.0 Servicing
13 .1 Annual Servicing
13.2 Annual Servicing - Inspection
13.0 Servicing
13.2 Annual Servicing - Inspection (Cont)
14.1 Igniter (Fig. 76)
14.2 Spark and Sensing Electrodes (Fig. 77)
14.3 Fan (Fig. 79)
14.4 Venturi (Fig. 78)
14.5 Injector (Fig. 78)
14.6 Burner (Fig. 81)
14.7 Insulation (Fig. 82)
14.8 Flue/Heat Exchanger Thermostat Sensor (Fig. 83)
14.9 Water Pressure Sensor (Fig. 85)
14.10 Central Heating Temperature Sensor (NTC) (Fig. 84)
14.11 Safety Thermostat (Fig. 85)
14.12 DHW Temperature Sensor (NTC) (Fig. 85)
14.14 Pump - Head Only (Fig. 87)
14.15 Pump - Complete (Fig. 88)
14.16 Automatic Air Vent (Fig. 89)
14.17 Pressure Gauge (Figs. 90 & 91)
14.18 Hall Effect Sensor (Fig. 92)
14.19 Safety Pressure Relief Valve (Fig. 93)
14.20 Plate Heat Exchanger (Fig. 94)
14.21 Diverter Valve - Motor Unit & Assembly (Fig. 95)
14.22 P.C.B. (Fig. 98)
14.23 Selector Switch (Fig. 98)
14.24 Gas Valve (Fig. 99)
14.25 Expansion Vessel (Fig. 101)
48
x 2
15.0 Setting the Gas Valve
15.1 Setting the Gas Valve (CO2check)
16.0 Electrical
Baxi Heating UK Ltd 2012
16.1 Illustrated Wiring Diagram
Mains Input Cable
Link
17.0 Short Parts List
18.1 Initial Fault Finding Checks
18.2 Error Codes
Page
Page
Fault Finding Solutions Sections
A
B
D
C
E
F
H
G
I
K
J
L M
Page
GAS BOILER SYSTEM COMMISSIONING CHECKLIST
DOMESTIC HOT WATER MODE
*
CONTROLS
ALL SYSTEMS CENTRAL HEATING MODE
Service Record
Service Provider
Service 1 Service 2
Service 3 Service 4
Service 5 Service 6