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Grant
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Combi 26e
Grant Combi 26e User Manual
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UK
|
DOC
0089
|
Rev
1.0
|
November 2016
Gra
nt UK
P
r
o
E
x
t
ernal Combi
Combi 2
1
e, Combi 26
e and Combi 3
6
e
Condensing Oil B
oiler Range
Inst
allati
on
a
nd
S
e
r
v
ici
ng
In
str
uc
tio
ns
2
Table of Contents
Default Chapter
2
Commissioning Report
2
Service Log
2
Table of Contents
3
1 Introduction
4
How a Condensing Boiler Works
4
Boiler Description
4
2 Technical Data
6
Boiler Technical Data
6
Approximate Air Damper Setting
7
Flue Gas Analysis
7
Boiler Dimensions
7
3 Oil Storage & Supply System
8
Fuel Supply
8
Burner Oil Connection
11
4 Boiler Installation Information
12
Introduction
12
Boiler Location
12
Preparation for Installation
12
Installing the Boiler
12
Expansion Vessel
13
Filling and Venting the System
13
Regulations Compliance Requirements
13
Completion
14
Before You Commission
14
Underfloor Heating Systems
14
Pipework Materials
14
Sealed Systems
14
Underfloor Pipework
14
5 Pipe Connections
15
Water Connections
15
Making the Water Connections
15
Domestic Hot Water System
16
To Use the Water Hardness Kit
16
6 Condensate Disposal
17
General Requirements
17
Connections
17
Pipework
17
External Pipework
17
Condensate Soakaway
17
Condensate Trap
18
Condensate Disposal Pipework
18
Inspection and Cleaning of Trap
18
7 Sealed Systems
19
System Models
19
8 Electrical
20
Connecting the Power Supply
20
Connecting the Controls - Heating Only
21
Connecting the Controls - Heating and Hot Water
23
Connecting a Remote Frost Thermostat
25
9 Flue System & Air Supply
26
Low Level Discharge Flue
26
Grant Green System
27
Grant Hybrid System
27
Grant Horizontal System
28
General Guidance
28
Air Supply
28
10 Commissioning
29
Before Switching on
30
Running the Boiler
31
Balancing the System
31
Completion
31
Air Adjuster Disc - Combi 21 Only
32
Information for the User
32
11 Boiler Servicing
33
Checking before Servicing
33
Dismantling Prior to Servicing
33
Cleaning the Boiler
33
Cleaning the Burner
35
12 Fault Finding
36
Initial Checklist - for Installer or Service Engineers
36
Main Fault Finding Procedure
37
Poor Hot Water Checklist
40
Riello RDB Burner Fault Finding
41
13 Spare Parts
42
14 Health & Safety Information
44
Insulation Materials
44
Kerosene and Gas Oil Fuels (Mineral Oils)
44
15 EC Declaration of Conformity
45
16 Guarantee
46
The Vortex Oil Boiler Gurantee
46
A High Efficiency Circulating Pump
48
Appendixes
48
B Product Fiche
50
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Grant Combi 26e Specifications
General
Boiler Type
Combi
Output
26 kW
Fuel Type
Natural Gas
Efficiency
90%
Mounting
Wall-mounted
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