Grant VORTEX Pro External Combi 21e User Manual

Contents
Contents
3
1 Introduction 4
1.1 How a Condensing Boiler Works 4
1.2 Boiler Description 4
2 Technical Data 6
2.1 Boiler Technical Data 6
2.2 Approximate Air Damper Setting 7
2.3 Vortex Pro Combi e Oil Boilers using
Class C2 Kerosene 7
2.4 Flue Gas Analysis 7
2.5 Boiler Dimensions 7
3 Oil Storage & Supply System 8
3.1 Fuel Supply 8
3.2 Burner Oil Connection 11
4 Boiler Installation Information 12
4.1 Introduction 12
4.2 Boiler Location 12
4.3 Preparation for Installation 12
4.4 Installing the Boiler 12
4.5 Expansion Vessel 13
4.6 Filling and Venting the System 13
4.7 Regulations Compliance Requirements 13
4.8 Completion 14
4.9 Before you Commission 14
4.10 Underfloor Heating Systems 14
4.11 Pipework Materials 14
4.12 Sealed Systems 14
4.13 Underfloor Pipework 14
5 Pipe Connections 15
5.1 Water Connections 15
5.2 Making the Water Connections 15
5.3 Domestic Hot Water System 16
5.4 To use the Water Hardness Kit 16
6 Condensate Disposal 17
6.1 General Requirements 17
6.2 Connections 17
6.3 Pipework 17
6.4 External Pipework 17
6.5 Condensate Soakaway 17
6.6 Condensate Trap 18
6.7 Condensate Disposal Pipework 18
6.8 Inspection and Cleaning of Trap 18
7 Sealed Systems 19
7.1 System Models 19
8 Electrical 20
8.1 Connecting the Power Supply 20
8.2 Connecting the Controls - Heating Only 22
8.3 Connecting the Controls - Heating
and Hot Water 23
8.4 Connecting a Remote Frost Thermostat 25
9 Flue System & Air Supply 26
9.1 Low Level Discharge Flue 26
9.2 Grant Green System 27
9.3 Grant Hybrid System 27
9.4 Grant Horizontal System 28
9.5 General Guidance 28
9.6 Air Supply 28
10 Commissioning 30
10.1 Before Switching On 30
10.2 Switching On 30
10.3 Running the Boiler 31
10.4 Balancing the System 31
10.5 Completion 31
10.6 Air Adjuster Disc - Combi 21 only 32
10.7 Information for the User 32
11 Boiler Servicing 33
11.1 Checking before Servicing 33
11.2 Dismantling Prior to Servicing 33
11.3 Cleaning the Boiler 33
11.4 Cleaning the Burner 35
12 Fault Finding 36
12.1 Initial Checklist - for Installer or
Service Engineers 36
12.2 Main Fault Finding Procedure 37
12.3 Poor Hot Water Checklist 40
12.4 Riello RDB Burner Fault Finding 41
13 Spare Parts 42
14 Health & Safety Information 44
14.1 Insulation Materials 44
14.2 Insulation Materials 44
14.3 Kerosene and Gas Oil Fuels (mineral oils) 44
15 EC Declaration of Conformity 45
16 Warranty 46
16.1 The Vortex Oil Boiler Warranty 46
16.2 Extended Warranty 47

Grant VORTEX Pro External Combi 21e Specifications

General

Brand	Grant
Model	VORTEX Pro External Combi 21e
Category	Boiler
Language	English