Householder Information
IMPORTANT!
Your boiler must be commissioned in order to:
- Validate your warranty
- Ensure the boiler has been installed correctly and avoid premature failure
- Set the boiler to its optimum efficiency. Operating conditions for the boiler will vary from site to site, your
commissioning engineer has specialised equipment to check the oil pressure and analyse the exhaust gases for
temperature, smoke and carbon dioxide content.
Your installer will organise the commissioning of your boiler. Should you experience any difficulty locating an
engineer, our service department may be able to provide you with details of an engineer in your area.
“Benchmark” Installation, Commissioning and Service Record Log Book
Please ensure that your installer has completed all sections of the log book (found at the back of this manual).
The log book will be required in the event of any warranty work. Ensure that the service record is completed.
Warranty
Your HRM boiler is under warranty for 2 years from the date of installation.
Warranty Conditions
- The boiler must be installed and commissioned in accordance with our handbook
- The boiler must not be repaired, modified or tampered with by any person not authorised by HRM
Extended Warranty
The “Benchmark” and warranty registration document at the end of this manual should be completed as
appropriate by your installer / engineer. This is your record that the boiler has been correctly installed in accordance
with our recommendations. Return the warranty registration document to HRM in order to qualify for a further 3 year
warranty of the heat exchanger – a total of 5 years.
Extended Warranty Conditions
- The boiler must be serviced annually and maintained in accordance with this handbook. The
“Benchmark” service log is located at the back of this manual
- This warranty is in addition to your statutory and other legal rights
After Sales Service
- If your boiler fails during the warranty period contact your installer, who will be able to identify the
cause of the problem. If appropriate, your installer will contact us.
- Under no circumstances should “in warranty” work be undertaken without authorisation from the HRM
service department
- If you are unable to contact your installer please contact our service department. Quoting your boiler’s
serial number when phoning – this can be found on the cover of this manual.
Standard X-ternal & System X-ternal
Handbook
Householder Information
IMPORTANT!
Your boiler must be commissioned in order to:
- Validate your warranty
- Ensure the boiler has been installed correctly and avoid premature failure
- Set the boiler to its optimum efficiency. Operating conditions for the boiler will vary from site to site, your
commissioning engineer has specialised equipment to check the oil pressure and analyse the exhaust gases for
temperature, smoke and carbon dioxide content.
Your installer will organise the commissioning of your boiler. Should you experience any difficulty locating an
engineer, our service department may be able to provide you with details of an engineer in your area.
“Benchmark” Installation, Commissioning and Service Record Log Book
Please ensure that your installer has completed all sections of the log book (found at the back of this manual).
The log book will be required in the event of any warranty work. Ensure that the service record is completed.
Warranty
Your HRM boiler is under warranty for 2 years from the date of installation.
Warranty Conditions
- The boiler must be installed and commissioned in accordance with our handbook
- The boiler must not be repaired, modified or tampered with by any person not authorised by HRM
Extended Warranty
The “Benchmark” and warranty registration document at the end of this manual should be completed as
appropriate by your installer / engineer. This is your record that the boiler has been correctly installed in accordance
with our recommendations. Return the warranty registration document to HRM in order to qualify for a further 3 year
warranty of the heat exchanger – a total of 5 years.
Extended Warranty Conditions
- The boiler must be serviced annually and maintained in accordance with this handbook. The
“Benchmark” service log is located at the back of this manual
- This warranty is in addition to your statutory and other legal rights
After Sales Service
- If your boiler fails during the warranty period contact your installer, who will be able to identify the
cause of the problem. If appropriate, your installer will contact us.
- Under no circumstances should “in warranty” work be undertaken without authorisation from the HRM
service department
- If you are unable to contact your installer please contact our service department. Quoting your boiler’s
serial number when phoning – this can be found on the cover of this manual.
Standard X-ternal & System X-ternal
Handbook
Contents Page
DESCRIPTION PAGE
Householder Information
Warranty Registration Document End Of Manual
Warranty 3
Extended Warranty 3
After Sales Service 3
Boiler Controls: Wallstar 4
System Wallstar 5
Wallstar Combi 6-7
Burner Lockout 8
Technical Specifications
Boiler Dimensions: Wallstar 9
Boiler Dimensions: System Wallstar 10
Boiler Dimensions: Wallstar Combi 11
Technical Specifications 12
Burner Settings 13
Boiler Installation
Regulations 14
Boiler Sizing 14
Refurbishing An Old System 14
System Protection 14
Boiler Location 15
Wall Construction 15
Flue Terminating Positions 16
Fuel Supply System 17
Oil Supply 17
Installation Procedure
Wallstar 18-23
System Wallstar 24-31
Wallstar Combi 32-40
Condensate Drain 41
Wiring Diagrams
Wallstar 42
System Wallstar 42
Wallstar Combi 43
Boiler Maintenance
Baffle Removal 44
Fault Diagnosis
Wallstar Combi 45
Wallstar Combi Components 46
Contacts
Tel No: 01953 455400
Fax No: 01953 454483
Email: info@hrmboilers.co.uk or technical@hrmboilers.co.uk
1
Standard Wallstar, System Wallstar &
Wallstar Combi Manual
Contents Page
DESCRIPTION PAGE
Householder Information
Warranty Registration Document End Of Manual
Warranty 3
Extended Warranty 3
After Sales Service 3
Boiler Controls: Wallstar 4
System Wallstar 5
Wallstar Combi 6-7
Burner Lockout 8
Technical Specifications
Boiler Dimensions: Wallstar 9
Boiler Dimensions: System Wallstar 10
Boiler Dimensions: Wallstar Combi 11
Technical Specifications 12
Burner Settings 13
Boiler Installation
Regulations 14
Boiler Sizing 14
Refurbishing An Old System 14
System Protection 14
Boiler Location 15
Wall Construction 15
Flue Terminating Positions 16
Fuel Supply System 17
Oil Supply 17
Installation Procedure
Wallstar 18-23
System Wallstar 24-31
Wallstar Combi 32-40
Condensate Drain 41
Wiring Diagrams
Wallstar 42
System Wallstar 42
Wallstar Combi 43
Boiler Maintenance
Baffle Removal 44
Fault Diagnosis
Wallstar Combi 45
Wallstar Combi Components 46
Contacts
Tel No: 01953 455400
Fax No: 01953 454483
Email: info@hrmboilers.co.uk or technical@hrmboilers.co.uk
1
Standard Wallstar, System Wallstar &
Wallstar Combi Manual
Technical Specifications
All Wallstar Models
Electrical Supply 230V Single Phase, Fused 5amp
Max Power Consumption 125W
Fuel Class C2 (28 Sec Kerosene)
Oil Supply Connection 10mm Compression, Single Pipe
Standard Wallstar
Heating Systems Requirements
Fully Pumped, Conventional Open Vented, or
Sealed System
Max Operating Pressure
3 Bar (43.5psi) Static Head 30.59 Meters
(100ft)
Operating Temperature Range
60
°C to 82°C
Resistance To Water Flow Between Return
and Flow Connections (10 Deg Temp Rise)
12/14C – 26mm
15/19C – 35mm
20/24C – 48mm
Cut Out Temperature
100
°C
Weight Empty
12/14C – 84kg
15/19C – 96kg
20/24C – 107kg
Water Capacity
12/14C – 17.5 Litres
15/19C – 19.25 Litres
20/24C – 21 Litres
SEDBUK Rating A
System Wallstar
Heating Systems Requirements Sealed Systems Only
Max Operating Pressure
3 Bar (43.5psi) Static Head 30.59 Meters
(100ft)
Operating Temperature Range
60
°C to 82°C
Resistance To Water Flow Between Return
and Flow Connections (10 Deg Temp Rise)
35mm
Cut Out Temperature
100
°C
Weight Empty 107kg
Water Capacity 19.25 Litres
SEDBUK Rating A
Wallstar Combi
Heating Systems Requirements Sealed Systems Only
Max Operating Pressure
3 Bar (43.5psi) Static Head 30.59 Meters
(100ft)
Operating Temperature Range
60
°C to 82°C
Resistance To Water Flow Between Return
and Flow Connections (10 Deg Temp Rise)
48mm
Cut Out Temperature
110
°C
Weight Empty 140kg
Water Capacity 35 Litres
Maximum Cold Water Pressure 5 bar / 72.5psi
Minimum Cold Water Pressure 1.5 bar / 21.7psi
Expansion Vessel Capacity 12 Litres
Expansion Vessel Pressure 1 bar / 14.5psi
Safety Relief Valve 3 bar / 43.5psi
Heating Output 18kW
Domestic Hot Water Output 24kW
Hot Water Flow Rate
35
°C Rise @ 10.5 Litres/Min
12
Standard Wallstar, System Wallstar &
Wallstar Combi Manual
Technical Specifications – Burner Settings
Burner Fault Diagnosis
Burner fails to start - Mains lamp not illuminated
Blown fuse
Time clock/programmer not calling for heat
Room or hot water thermostats not calling for heat
Burner lockout lamp is illuminated - Lack of oil
Faulty solenoid coil
Blocked nozzle
Faulty fire valve
Air in oil supply
Empty oil tank
Blocked Oil Filter
Flame extinguishes after a short period
Photocell faulty
Faulty control box
No spark
Faulty control box
Faulty ignition transformer
Incorrect electrode setting
Motor does not run - Seized oil pump
Motor faulty
Control box faulty
Capacitor faulty
Radio/T.V interference - Incorrect electrode setting
Poor earth bonding
Faulty ignition transformer
Smokey exhaust - Blocked nozzle
Incorrect burner settings
Burner starts violently - Delayed Ignition
Incorrect electrode adjustment
Electrode insulation damaged
HT leads faulty
Air in oil supply
Incorrect air adjustment
Oil odours - Incorrect combustion settings
Oil leak
Unstable flame - Incorrect head settings
Low oil pressure
Excess air
Faulty nozzle
btu /h
Kw
Nozzle
U S/GP H
Size & Type
BAR
PSI
Kg/ hr
Litr es/hr
Smoke No.
Bac harac h S cale
CO
2
%
Flue Gas Temp
Le ss am b iant °C
SEDBUK
Ban d
10 0
Output
4 7,8 00
TBA
A
TBA
TBA
TBA
Oil Pressure
85
6 4,8 50
19
0.5 5 8 0° EH
Boiler M odel 12/14
Firing Rate
1.3 4
1. 7
0 .5 0 8 0° EH
6. 9 TBA
TBA
TBA
15/19
A
0
11 .5 12
85
A
14
2.0 5
0
20/24
8. 6
12 5
1.6 3
8 1, 900
24
TBA
115
B
C omb i
83 ,00 0
2 4.3
0 .75 80 ° E H
7 .25
105
2 .15
2 .75
0
1 2.5
13
Standard Wallstar, System Wallstar &
Wallstar Combi Manual
12/14 15/19 20/24 24/18 COMBI
btu/h 52,886 64,828 80,182 81,888
Kw 15.5 19.0 23.5 24.0
BAR 6.9 9.0 9.0 9.0
PSI 100 130 130 130
Kg/hr 1.29 1.69 2.13 2.13
Litres/hr 1.63 2.14 2.59 2.59
SMOKE NO Bacharach Scale 0 0 0 0
CO2 % 11.5 12 12.5 12.8
FLUE GAS TEMP Net Flue temp ˚C 85 85 85 85
BOILER MODEL
OUTPUT
NOZZLE Size and Type 0.50 80˚EH 0.55 80˚EH 0.65 80˚EH 0.65 80˚EH
OIL PRESSURE
FIRING RATE
13.indd 1 08/06/2012 14:16
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