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Glow-worm
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18hx
Glow-worm 18hx User Manual
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1
Installation and Servicing
www
.glow-worm.co.uk
Flexicom
18hx
High Efciency
Condensing
Boilers
G.C. No. 41-315-42
12786
15hx
G.C. No. 41-315-29
12hx
G.C. No. 41-315-28
24hx
G.C. No. 41-315-61
30hx
G.C. No. 41-315-67
35hx
G.C. No. 41-315-68
2
Table of Contents
Installation and Servicing
1
Guarantee Registration
2
Customer Service
2
Table of Contents
3
Warnings
4
Important Information
4
Gas Supply
5
Domestic Hot Water
5
Heating System
5
Statutory Requirements
5
Boiler Design
6
Safety Devices
6
Servicing, Maintenance and Spare Parts
6
Boiler Specification
7
Boiler Dimensions and Hydraulic Schematic
8
Boiler Location, Clearances and Ventilation
9
Flue Options and Terminal Clearances
10
Flue Terminal Position
11
Water Treatment
12
Domestic Hot Water Cylinder
13
Pressure Gauge
14
Safety Valve
14
Expansion Vessel
14
Sealed Water Systems
14
Filling a Sealed Water System
15
Site Requirements
16
Flue Hole Cutting
16
Installation Preparation
16
Boiler Fixing
17
Condensate Drain Connection
18
Gas/Water and Appliance Connection
18
Condensate Connections
18
Flue Length Preparation and Installation
20
Flue Installation
30
Flue Terminal Installation
30
Terminal Position
33
Installation Details
34
Boiler Connection
34
Electrical Connection
36
Filling the Heating Circuit
37
Commissioning
37
Initial Lighting
38
Instruct the User
39
Functional Checks
40
Important Notes
40
Servicing
40
Spark Electrode
41
Combustion Check
44
Service Completion
44
Fault Codes
45
Fault Memory
45
Diagnostic Menu
45
Fault Finding
45
Replacement of Parts 5
51
Condensate Trap
52
Heat Exchanger
53
Spare Parts
56
Manual Handling
57
Declaration of Conformity
58
4
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Glow-worm 18hx Specifications
General
Output
18kW
Central Heating Flow Temperature Range
30-80°C
Fuel Type
Natural Gas
Water Pressure
3 bar
Type
Condensing Combi Boiler
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