Gulfstream GS A-Class 12/OV Design, Installation & Servicing Instructions

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GulfStream
A Condensing Primary Storage Appliance
for Hot Water Supply and Central Heating
DESIGN, INSTALLATION AND
SERVICING INSTRUCTIONS
PLEASE LEAVE THESE INSTRUCTIONS IN THE POCKET PROVIDED ON
Supplied By www.heating spares.co Tel. 0161 620 6677
A - C L A S S
THE BACK OF THE FRONT PANEL
APPLIANCE TYPE
• This is a Floor Mounted Fan Assisted Balanced Flue Gas Condensing Combination
appliance for hot water supply and central heating.
• This appliance is for use with Natural Gas (G20) only at 20mbar.
• This appliance for use in GB & IE only
• Appliance category:
Appliance types:
MODELS
These instructions cover the following models and only apply to the
appliances sold and installed in Great Britain (GB) and Ireland (IE). These
appliances have been certified for safety and therefore it is important
these instructions must be followed. The appliance and the installation
specifications of the appliances must not be modified unless recommended
and approved by Gledhill Water Storage Limited.
Model Ref
Sedbuk
Maximum Space
Band
Heating Load (kW)
A-CLASS
GS
12/OV
A
GS
A-CLASS
12/SS
A
GS
A-CLASS
20/OV
A
A-CLASS
GS
20/SS
A
A-CLASS
GS
30/OV
B
A-CLASS
GS
30/SS
B
All models are WRAS approved and listed.
SAFETY
1. The Gas Safety (Installation and use) Regulations 1998
"In your own interest, and that of safety, it is law that all gas appliances are
installed by competent persons,in accordance with the above regulations.Failure
to install appliances correctly could lead to prosecution."
2. Control of Substances Harmful to Health
When working with insulation materials,avoid inhalation as it may be harmful to
health,avoid contact with skin,eyes,nose and throat.Use disposable protection.
Dampen the material and ensure that the area is well ventilated.
3. INSTRUCTIONS
Read these Instructions before installing or lighting the appliance
Leave these instructions and the'Benchmark'Log Book in the pocket
provided on the back of the appliance front panel.
I
2H
C
, C
, C
13
53
33
Gas Council
No.
10.0
Open vented heating system
10.0
Sealed heating system
18.0
Open vented heating system
18.0
Sealed heating system
26.0
Open vented heating system
26.0
Sealed heating system
Heating System Type

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  • Page 1 A - C L A S S GulfStream A Condensing Primary Storage Appliance for Hot Water Supply and Central Heating DESIGN, INSTALLATION AND SERVICING INSTRUCTIONS PLEASE LEAVE THESE INSTRUCTIONS IN THE POCKET PROVIDED ON THE BACK OF THE FRONT PANEL APPLIANCE TYPE •...
  • Page 2 This appliance must be serviced and installed by a competent person e.g. CORGI Registered installer. All CORGI registered installers carry a CORGI ID Card and have a registration number.You can call CORGI direct on 01256 372300. c) As part of the industry wide‘Benchmark’initiative all GulfStream A-CLASS appliances now include a Benchmark Installation, Commissioning and Service Record Logbook.
  • Page 3: Table Of Contents

    CONTENTS Page 1. INTRODUCTION 1.1. OPERATION 1.2. FLUEING OPTIONS 1.3. OPTIONAL EQUIPMENT 1.4. MODEL SELECTION GUIDE 1.5. GAS SUPPLY 1.6. ELECTRICITY SUPPLY 1.7. APPLIANCE LOCATION 2. TECHNICAL DATA 2.1. PHYSICAL DATA 2.2. HOT WATER PERFORMANCE DATA 2.3. SPACE HEATING PERFORMANCE 3.
  • Page 4: Introduction

    All models meet the essential requirements of the European Diverter Gas Appliance Directive 90/396/EEC and are WRAS listed. valve All models in the GulfStream A-CLASS range are supplied with an integrated Relays Main PCB 9kW electric boiler for space heating and domestic hot water in the Wiring event of a failure on the gas side.
  • Page 5: Flueing Options

    The small diameter twin pipe flue system has been designed for lengths up to 30m.The air intake and flue discharge pipes are connected to sockets positioned top-rear of the GulfStream. From this point, they may be run in any direction sanctioned within this literature.
  • Page 6: Optional Equipment

    Sensor A-CLASS Fig 1.4 Schematic diagram of the sealed vented model of GulfStream 1.2.4 Twin pipe horizontal flue kit The balanced twin pipe flue system comprises a number of push fit socketed concentric and single pipe components. It is designed to allow the installation of flues within ceiling voids,or ducts,in apartments with fresh air and flue exhaust being provided from concentric...
  • Page 7: Model Selection Guide

    (h) The complete gas installation must be tested. 1.6 ELECTRICITY SUPPLY (a) The mains supply required is 230V~, 50Hz, 45A because all GulfStream A-CLASS models have a 9kW electric backup boiler. However the gas boiler/control and electric boiler circuits are internally fused separately. Minimum external fuse rating and the mains supply cable rating are given in“Electrical Wiring”section of this manual.
  • Page 8: Technical Data

    TECHNICAL DATA (e) If the boiler is to be fitted in a timber framed building, it should be fitted in accordance with the British Gas publication “Guide for Gas Installations in Timber Frame Housing, Reference IGE/UP/7:1998”. If 350mm Min access in doubt, advice must be sought from the Local Gas Supplier.
  • Page 9: Physical Data

    TECHNICAL DATA All models have integral 9kW electric boiler for emergency backup for space heating and hot water.Therefore although these appliances are internally fused at 6A for the gas boiler circuit, a 230V ~, 50Hz electricity supply fused at 45A is required direct from the consumer unit via a 45A double pole local isolator.
  • Page 10: Space Heating Performance

    Typical recovery times for raising the stored water temperature by C for models ‘-12’ , ‘-20’ , ‘-30’ are 25, 15 and 10 minutes respectively. Figure 2.2 Hot water performance of GulfStream A-CLASS models (Volumes for 35 C temperature rise and 10...
  • Page 11: System Design

    SYSTEM DESIGN 3.1 VENTILATION (a) The GulfStream is a room sealed A-CLASS Open Vent appliance and therefore it does not take air Vent Gas OV models only for combustion from the dwelling.Therefore when this room sealed appliance is installed in a room or habitable internal space, there...
  • Page 12 fitted to the supply pipe. However should ancillary equipment requiring a non-return valve be fitted to the same mains supply as the GulfStream, then this valve must not be fitted between the inlet of this mains supply to the property and the GulfStream (see figure 3.1).
  • Page 13 (Para 15, Schedule 2) of the Water Supply Regulations 1999. (d) A b i d e t c a n b e s u p p l i e d f ro m t h e GulfStream A-CLASS appliance as long as it is of the over rim flushing type and incorporates...
  • Page 14: Space Heating System Design

    fitted and wired as shown in section 4. (f ) Plastic pipework: All the recommendations with regard to pipework systems in this (e) User controls: The GulfStream is supplied with factory fitted and wired A-CLASS manual are generally based on use of...
  • Page 15 CA device (figure 3.3) These models incorporate the following additional components:- • 16 litre expansion vessel precharged to 1.0 GulfStream A-CLASS bar. SS models • 0-4 bar pressure guage • Expansion relief valve - set to operate at 3.0 •...
  • Page 16 Mains Cold Water Overflow/Warning Pipe h > 250mm 22mm Combined Cold Feed And Open Vent GulfStream A-CLASS OV models Figure 3.2 Schematic Diagram of the Sealed Heating System Figure 3.5 Schematic diagram of the open vented heating system Page 16...
  • Page 17: Flue System Design

    SYSTEM DESIGN 3.4 FLUE SYSTEM DESIGN A full range of flue options are available (figure 3.6) for the GulfStream A-CLASS and the details can be found in the following separate flue system design and installation manuals. 1) Ridge terminal flue kit 2) Gable terminal flue kit...
  • Page 18: Installation And Wiring

    INSTALLATION AND WIRING 4.1 FITTING THE APPLIANCE 4.1.1 General (a) The appliance should be handled carefully to avoid damage and the recommended method is shown on page 2 of this manual. (b) The appliance should be mounted on the 100mm high plinth supplied with the appliance to facilitate the pipework connections at the front of the appliance.
  • Page 19 INSTALLATION AND WIRING 4.1.3 Flue System 4.1.7 Feed and Expansion Cistern Only flue system supplied by Gledhill Water Storage Ltd for this appliance should (Open vented ‘-OV’ models only) be used. Unless already fitted, install the flue system as shown in the installation (a) The feed and expansion cistern should be instructions supplied with the flue kit.
  • Page 20: Electrical Wiring

    Figure 4.4B Appliance wiring panel with NO clock option ������ ���� ��������� ������ ����� ���� �� ����� ������ The standard GulfStream models are Table 4.4 Wiring specification and general guide for all models supplied with factory fitted and wired single...
  • Page 21 ‘SL-HTG’ out the hot water and space heating on-off time periods can be connected to the Hot water switched live ‘SL- NO clock option models of the GulfStream. SL-W HW’ out (a) Remove links L1, L2 and L3 from terminals labelled ‘L-P’ , ‘L-R’ , ‘SL-W’ , ‘SL-h1’ and 4.2.5...
  • Page 22 INSTALLATION AND WIRING blue white brown Page 22 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 23: Commissioning

    COMMISSIONING Appliance terminal Programmer & room thermostat terminal Programmer ‘L’ supply in Programmer ‘N’ supply in Programmer ‘ E’ supply in SL-h1 HTG switched live ‘SL’ out from programmer SL-W HW switched live ‘SL’ out from programmer Room thermostat ‘L’ supply in Room thermostst ‘N’...
  • Page 24: Cleansing And Water Treatment

    flushing equipment. 1.2 - 2.4 (b) We would always recommend that the 1.5 - 3.0 A-ClASS GulfStream appliance is isolated from 1.7 - 2.4 the heating system being cleaned. (c) If in any doubt, please consult our Technical 2.0 - 4.0...
  • Page 25: Control Panel Display And Diagnostics

    COMMISSIONING 5.5 CONTROL PANEL, DISPLAY & DIAGNOSTICS 5.5.2 Front Panel Controls The appliance controls fitted to the GulfStream A-CLASS have been designed to be fully The operation of the appliance is indicated on automatic and to provide functional and diagnostic information to the installer/ the front panel (figure 5.1) by green,yellow and...
  • Page 26 COMMISSIONING Table 5.4 Display functions in NORMAL (b) Temperature mode: In this mode the current temperature read by the selected sensor is displayed.The button B1 is used to select this mode and the button B2 Segment Indication is used to select the appropriate sensor. ON - Boiler in ignition phase D1.1 OFF - Boiler in standby phase...
  • Page 27: Initial Lighting

    COMMISSIONING • Press the reset button, B1, to accept the (e) Lock out fault Code mode: In this mode the lockout fault codes are displayed. setting. The button B1 is used to select this mode and the button B2 is used to cycle between the stored faults.
  • Page 28 COMMISSIONING Internal Internal Table 5.8 Table 5.7 error Remarks backup error Remarks backup Blocking error name Locking error name number enabled number enabled REFHI_TOO_LO_ERROR Control error E2PROM_READ_ERROR Control error REFHI_TOO_HI_ERROR Control error SAFETY_RELAY_ERROR Control error REFLO_TOO_LO_ERROR Control error E2PROM_ERROR Control error REFLO_TOO_HI_ERROR Control error WRONG_EEPROM_SIGNATURE...
  • Page 29: Central Heating System

    COMMISSIONING 5.7 CENTRAL HEATING SYSTEM (a) Once the store is heated and this can take between 10 and 15 minutes, switch rate and the hot water temperature in the on heating on the programmable room thermostat. This will be indicated by ‘Benchmark’...
  • Page 30: Routine Annual Service

    Examine and replace if there are indications of it beginning to break up or there system we would recommend that the is evidence of ceramic particles dropping to the bottom of the heat exchanger. GulfStream appliance is isolated from the • Remove the condense trap from the boiler.
  • Page 31 ROUTINE ANNUAL SERVICING Flame Sensing Electrode Flame Ignition Electrode Burner 4.5 + 0.5mm Figure 6.3 Condensate trap Figure 6.2 Spark & Flame sensing electrodes Page 31 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 32: Servicing And Changing Components

    SERVICING AND CHANGING COMPONENTS 7 SERVICING AND CHANGING COMPONENTS up out of the combustion chamber. (f ) If necessary exchange the component. (a) IMPORTANT: Before commencing a service or changing a component, ISOLATE (g) ALWAYS fit a new ceramic sealing gasket. the mains electrical supply at the main isolator and TURN OFF the gas supply at (h) Re-assemble in reverse order.
  • Page 33 SERVICING AND CHANGING COMPONENTS 7.10 SAFETY I.E. PRESSURE RELIEF VALVE (‘-SS’ MODEL ONLY) 7.15 DHW SENSOR (a) Isolate the appliance from the heating system. (a) Isolate and drain down as necessary the (b) Isolate the cold supply to the primary system/appliance at the quarter turn valve hot/cold water system.
  • Page 34 SERVICING AND CHANGING COMPONENTS (f ) Remove the split pin and pull out the control/OH thermistor from its pocket. (d) Unscrew the union connection on the (g) Disconnect the union connectors (2) at the inlet and outlet of the electric boiler heating flow to the right of the bypass valve using a 37mm AF spanner and remove it.
  • Page 35 SERVICING AND CHANGING COMPONENTS (b) To remove the actuator press in (forward) the latch mechanism to the centre rear of the actuator. At the same time press the actuator towards the body of the valve and turn the actuator counter clockwise (to the left) by 45 degrees (1/8 turn).
  • Page 36: Parts List

    PARTS LIST Description Stock Code GC Part No. Auto air vent GT015 Electric Boiler GT061 By-pass Valve XG156 3 Bar Expansion Relief Valve GT195 Honeywell Hydronic Valve Cartridge and Hydronic Actuator GT047 Store Overheat Thermostat GT064 Electric Boiler Control/Overheat Thermostat GT199 16 Litre Expansion Vessel GT162...
  • Page 37: Appendix A Water Savings

    APPENDIX A WATER SAVINGS WATER RELATED COSTS CAN BE REDUCED BY GOOD PLUMBING PRACTICE. TAPS & MIXERS 2 TAP 5, 6 OR HALF OPEN OVER 8 L/M 20 L/M Unregulated Fitted with regulator SHOWERS 4 FIXING OPTIONS FOR TAPS & MIXERS 1.
  • Page 38: Appendix B Inhibitor / Scale Protection

    APPENDIX B G U I D A N C E N O T E S Inhibitor (Corrosion & scale protection of primary heating circuit) On filling the heating system and before the boiler is fired up, it is important to ensure the system water is treated with a suitable corrosion inhibitor, in accordance with the boiler manufacturer’s instructions.
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  • Page 42 Supplied By www.heating spares.co Tel. 0161 620 6677...
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