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Installation and User Instructions
HS10U, HS15U.
Please read and understand these instructions before starting work.
Please leave this leaflet with the user following installation
PACK CONTENTS
Heater, Factory fitted temperature and pressure relief valve, Fixing
screws and plugs, Installation and User Instructions.
WARNING
This water heater must only be installed by qualified persons.
36005794 Issue 2
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1
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Table of Contents
Related Manuals for Heatstore HS10U
Summary of Contents for Heatstore HS10U
- Page 1 Installation and User Instructions HS10U, HS15U. Please read and understand these instructions before starting work. Please leave this leaflet with the user following installation PACK CONTENTS Heater, Factory fitted temperature and pressure relief valve, Fixing screws and plugs, Installation and User Instructions.
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Page 2: Technical Specifications
Please read and understand these instructions prior to installing your Heatstore unvented water heater. Particular attention should be paid to the section headed IMPORTANT INSTALLATION POINTS. Following installation and commissioning the operation of the heater should be explained to the customer and these instructions left with them for future reference. - Page 3 DRAW OFF SERVICE VALVE COLD COLD WATER MAINS TUNDISH HS10U TO DRAIN (WASTE) HS15U 2.8 (10L) OR 4.2 (15L) METERS IS REQUIRED FOR EXPANSION IN PIPEWORK. FIGURE 2 : FOR INLET WATER PRESSURES UP TO 4.1 BAR (60 P.S.I.) WHERE EXPANSION IN MAIN SUPPLY IS NOT POSSIBLE - USING PACK B.
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Page 4: Installation - General Requirements
2.0 INSTALLATION - GENERAL REQUIREMENTS: 2.1 National Wiring rules may contain restrictions concerning the installation of these units in bathrooms. 2.2 The unit should be vertically wall mounted. Fixing screws and rawplugs are supplied for this purpose. Refer to Figure 4 for position of fixing holes. The water connections must always be to the top of the unit. -
Page 5: Installation - Electrical Requirements
3.0 INSTALLATION - ELECTRICAL REQUIREMENTS WARNING: This appliance must be earthed. It is suitable for a.c. supply only. Disconnect the electrical supply before removing the terminal cover. Installation must be in accordance with the current I.E.E. Wiring Regulations. 3.1 The unit is supplied fitted with a 0.75m 3 core 1.5mm flexible cable. - Page 6 4.0 INSTALLATION - DISCHARGE PIPE REQUIREMENTS 4.1 The discharge outlet from the Pressure (expansion) Relief Valve and the Temperature/Pressure relief Valve must be connected to a discharge pipe. It is recommended that a tundish (not supplied) be installed in the discharge pipe to give a visible indication that the valves are operating.
- Page 7 6.0 MAINTENANCE - DESCALING Little maintenance is required, however in hard water areas the unit will require periodic descaling to ensure efficient operation. To descale the unit: 6.1 Switch off and disconnect the electrical supply. Turn off the water supply to the unit.
- Page 8 FIGURE 6: CORRECT ORIENTATION OF ELEMENT PLATE ( VIEWED FROM TOP OF UNIT ). OUTLET CABLE CLAMP (NOT SHOWING T&P VALVE) INLET COMBINED THERMOSTAT EARTH POST AND THERMAL CUT-OUT 7.0 MAINTENANCE - SAFETY VALVES The Temperature/Pressure Relief Valve and, if fitted, the Pressure (Expansion) Relief Valve should be regularly checked.
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Page 9: Spare Parts
9.0 SPARE PARTS The following comprehensive list of spare parts is available for your Heatstore water heater. Please refer to the Rating Label on the side of your heater before ordering to ensure the correct spare part is obtained. DO NOT REPLACE WITH PARTS NOT RECOMMENDED BY HEATSTORE - THIS WILL INVALIDATE YOUR GUARANTEE AND MAY RENDER THE INSTALLATION DANGEROUS. -
Page 10: Fault Finding
10.0 FAULT FINDING Disconnect the electrical supply before removing the terminal cover. It is recommended that any service operations on this Heatstore heater are carried out by a competent person. FAULT POSSIBLE CAUSES ACTION Water not heating 1. Electrical supply fault 1. -
Page 11: User Instructions
12.0 USER INSTRUCTIONS 12.1 This Heatstore unvented water heater stores water at the temperature set on the adjustable thermostat. This can be set to give temperatures in the range of 10 to C. To avoid any risk of freezing when the heater is not in use for long periods during the winter months, do not switch off the electrical supply and set the thermostat to its minimum position. - Page 12 The unit is NOT guaranteed against damage by frost or due to the build up of scale. This guarantee does not affect the statutory rights of the consumer. The policy of Heatstore is that of continuous improvement and development, therfore the right is reserved to change specification without notice.