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A mains pressure hot water supply
system incorporating an off peak
electric thermal store
Design, Installation
& Servicing
Instructions
Model Numbers
PulsaCoil 145
PulsaCoil 185
PulsaCoil 215
PulsaCoil 235
All models comply with the water heater manufacturers
specifi cation for thermal stores
ISSUE 9: 06-08
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Summary of Contents for gledhill PulsaCoil 145
- Page 1 A mains pressure hot water supply system incorporating an off peak electric thermal store Design, Installation & Servicing Instructions Model Numbers PulsaCoil 145 PulsaCoil 185 PulsaCoil 215 PulsaCoil 235 All models comply with the water heater manufacturers specifi cation for thermal stores ISSUE 9: 06-08...
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Page 2: Issue
The Gledhill Group’s fi rst priority is to give a Gledhill fully supports the Benchmark aims to improve the standards of installation high quality service to our customers. and commissioning of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and effi... - Page 3 All goods are sold subject to our Conditions of Sale, which are set out at the rear of this manual. In the interest of continuously improving the PulsaCoil range, Gledhill Water Storage Ltd reserve the right to modify the product without notice, and in these circumstances this document, which is accurate at the time of printing, should be disregarded.
- Page 4 DESIGN 1. Bottom (Off-Peak) immersion heater Cistern can be provided (1H_1) Top up cistern with a ballvalve and 2. Top (On-Peak) immersion heater (IH_2) overflow connector as an 3. Overheat sensor pocket (Sensor S1/S2) optional extra if required. 4. Top/middle sensor pocket (Sensor S6 for IH_2) 5.
- Page 5 DESIGN Table 1.1 Technical Specifi cation PulsaCoil A-Class Model PCA145 PCA185 PCA215 PCA235 Height (mm) 1042 1142 1300 1440 Width (mm) Depth (mm) Min cupboard height (mm) 1800 1900 2050 2200 Min cupboard width (mm) Min cupboard depth (mm) Weight (empty) (kg) Weight (full) (kg) Volume of water heated by on-peak heater (litres) Table 1.2...
- Page 6 Note : Both immersion heaters are low watts density type with incaloy 825 sheaths and are specially manufactured to suit Thermal Stores. It is recommended that any replacements should be obtained from Gledhill Water Storage. Optional Extra Equipment • Scale inhibitor for mains water services with hardness levels above 200 ppm (mg/l) •...
- Page 7 DESIGN Appliance Dimensions Height Width Depth *Min maintenance Model access to comply with the Water Regulations PCA145 1042 (ballvalve model only) PCA185 1142 PCA215 1300 PCA235 1440 Top up cistern Note: The Appliance dimensions above do not allow for the100mm high installation base. The following table of minimum cupboard dimensions only allow the minimum space required for the appliance (including the F &...
- Page 8 DESIGN Plan Of Appliance Connections Connection Details/Dimensions For Top Of Unit The PulsaCoil A-Class units are supplied on an installation base to allow the pipe runs to connect to the appliance from any direction. It is easier if all pipes protrude vertically in the cut out area shown.
- Page 9 DESIGN Where the water is very hard ie 300ppm (mg/l) Hot and Cold Water System and above the optional polyphosphate type, inhibitor should be specified at the time of General order. However, this will need to be fi tted by the installer at a suitable point in the cold water A schematic layout of the hot and cold water services in a typical small dwelling is supply to the appliance.
- Page 10 The shower head provided must also be suitable for mains pressure supplies. However, if it is proposed to use a ‘whole body’ or similar shower with a number of high fl ow/pressure outlets please discuss with the Gledhill technical department. Page 10...
- Page 11 DESIGN Electrical Installation DHW Outlet Sensor PHE Inlet Sensor The Schematic arrangement of the wiring within Control for Off-Peak I.H. the PulsaCoil A-Class is shown above. Control for On-Peak I.H. Store Overheat Sensor The whole of the electrical installation shall be ON PEAK designed and installed by a competent person 230V, 50Hz...
- Page 12 DESIGN Wiring The Pulsacoil A-Class With Combined On And Off Peak Supplies With this arrangement the dwelling has a single supply to the consumer unit from the meter On Peak Off Peak Rate1 24 HOUR Rate 2 Element Element DOMESTIC and the whole dwelling goes off-peak or on- SUPPLY METER...
- Page 13 INSTALLATION The appliance is designed to be installed in an airing/cylinder cupboard and the relevant minimum dimensions are provided in the Technical Data section of this manual. Because of the ease of installation we recommend that the cupboard construction is completed and painted before installation of the appliance.
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Page 14: Issue
DO NOT SCALE FROM THIS DRAWING. COPYRIGHT OF THIS DRAWING IS RESERVED. IT IS NOT TO BE REPRODUCED COPIED OR DISCLOSED TO A THIRD PARTY EITHER WHOLLY OR IN PART WITHOUT OUR APPROVED WRITTEN CONSENT. © GLEDHILL WATER STORAGE LTD. Page 14... -
Page 15: Pulsacoil
On Peak Immersion Immersion BOTTOM * All wire sizes 0.5mm² unless otherwise stated TITLE JOB NAME GLEDHILL WATER STORAGE LTD. 'A' CLASS PULSACOIL APPLIANCE 'A' CLASS PULSACOIL APPLIANCE SYCAMORE TRADING ESTATE SQUIRES GATE LANE ELECTRICAL SCHEMATIC DRAWING BLACKPOOL DRG. SIZE DRG. -
Page 16: Pulsacoil
INSTALLATION Preparation/placing The Appliance In Position. The ‘first fix’ pipework positions should be checked using the template provided with each appliance. If these have been followed installation is very simple and much quicker than any other system. The appliance is supplied shrink wrapped on a timber installation base. -
Page 17: Pulsacoil
INSTALLATION Pipework Connections The position of the pipework connections is shown opposite. The exact location dimensions are listed in the Technical Data section of this manual. All the connections are also labelled on the appliance. It is essential that the pipework is connected to the correct connection. -
Page 18: Pulsacoil
INSTALLATION Combined Feed And Open Vent Pipe Electrical Connection - Standard Appliance It is normally envisaged that the top up cistern will be located in the same cupboard The PulsaCoil A-Class is pre-wired internally, as the PulsaCoil A-Class appliance itself to maintain a dry roof space. strictly in accordance with the IEE Requirements for Electrical Installations BS 7671. - Page 19 Warranty conditions offered by immersion heaters. DO NOT PUSH HOME THESE SWITCHES AND SWITCH ON THE Gledhill. ELECTRICITY SUPPLY UNTIL YOU HAVE CHECKED THAT THERE IS WATER IN THE F & E CISTERN. Failure to do this can result in dry fi ring and premature failure of the immersion heaters, which will invalidate the warranty.
- Page 20 After this, spares can be obtained direct from 10. Once the appliance is fi lled and commissioned DO leave the electricity switched Gledhill using the ‘Speed Spares’ service, or on to the appliance to ensure the automatic pump run facility can operate to through any of the larger plumbers merchants/ prevent the pump sticking.
- Page 21 SERVICING Description Supplier & Model Part Number Stock Code PHE pump Grundfos, UPR 15-50 5950543 GT089 Plate heat exchanger (PHE) SWEP, 24 Plate heat exchanger E8T/24 GT017 Pump isolating valve - outlet Watt Industries, 90° valve 7308123 GT135 Pump isolating valve - inlet Watt Industries GT133 Top immersion heater...
- Page 22 SERVICING The PulsaCoil A-Class appliance control panel and printed circuit control board/display have been designed to be fully automatic whilst able to provide functional and diagnostic information to the householder/installer. S1/S2 The panel/board work in conjunction with a number of sensors (thermistors) located as shown in the diagram below.
- Page 23 SERVICING Normal - standby state Indicate system status 2 digit display Press S2 2 push buttons S2 S1 Press Press Press Press Sensor temperature Main reading processor Press S2 Press Press Press Press Control set-point reading Press S2 Press Press Press Press Fault code indicator...
- Page 24 These are shown in brackets on the table opposite. The two fault code indication modes are again Sensor Control Set Points mainly for use by the Gledhill engineer and can Code Code only be used with a reference table.
- Page 25 APPENDIX Water Savings Water Related Costs Can Be Reduced By Good Plumbing Practice 2 tap 5, 6 or half open Over 8 l/m 20 l/m Unregulated Fitted with regulator TAPS & MIXERS 4 Fixing Options For Taps & Mixers 1. MK Range - Combined Regulators & Aerator for screwing onto Taps &...
- Page 26 APPENDIX Manifolds Two sets of manifolds are available as an Manifold type: 1 - Stock Code MIP 050 optional extra. Each set comprises a separate (one bathroom, one en suite shower room, one cloakroom, one kitchen) hot and cold water manifold. Both are provided Flow regulator Terminal fitting Hot water...
- Page 27 APPENDIX The pressure loss through a flow regulator at the designated flow rate is about 1.8 bar. Therefore for the flow regulator to control the flow rate at pre-set level, the inlet pressure must be greater than 1.8 bar. If the inlet pressure is lower, the flow rate will be correspondingly less than the pre-set values.
- Page 28 APPENDIX Page 28...
- Page 29 BoilerMate, SysteMate, PulsaCoil, Accolade and Stainless Lite manufactured by you intend to take that it is clear of Gledhill. any obstructions. Never jerk the load as this will add a little extra force and...
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- Page 32 The code of practice for the installation, commissioning & servicing of central heating systems...
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