Related Manuals for Lochinvar SST66
Summary of Contents for Lochinvar SST66
- Page 1 SST DIRECT STORAGE VESSEL Installation, Commissioning, Maintenance and User instructions Models SST66 SST110 SST165 SST220 Installation manual_SST_JANUARY 2019...
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Page 3: Table Of Contents
Contents INTRODUCTION ............................................3 ANCILLARY OPTIONS .......................................... 3 SAFETY GUIDELINES ..........................................4 GENERAL DESCRIPTION OF SAFETY SYMBOLS USED..............................4 DIMENSIONAL DRAWINGS ......................................... 5 2.2.1 CONNECTION HEIGHTS AND DIMENSIONS ................................5 2.2.2 CONNECTION SIZES ........................................5 TECHNICAL DATA ............................................6 3.1.1 TECHNICAL SPECIFICATIONS .................................... -
Page 4: Introduction
INTRODUCTION The Lochinvar SST range is a Stainless Steel direct storage vessel, featuring a 100mm clean out access opening to enable inspection of the internal surface of the vessel. A pocket for installing a temperature control device (aqua stat) and drain valve are also fitted. -
Page 5: Safety Guidelines
This symbol shows essential information which is not safety related Lochinvar Limited is not liable for any damage caused by inaccurately following these mounting instructions. Only original parts may be used when carrying out any repair or service work. -
Page 6: Dimensional Drawings
2.2 DIMENSIONAL DRAWINGS Model Storage Capacity Litres SST66 1170 SST110 1715 1450 1250 SST165 2320 2055 1550 1030 SST220 1000 1907 1080 1536 1221 2.2.1 CONNECTION HEIGHTS AND DIMENSIONS Description Size BSP Model reference Spare 1¼ " Hot Outlet 2"... -
Page 7: Technical Data
TECHNICAL SPECIFICATIONS GENERAL REQUIREMENTS The Lochinvar SST direct storage vessel has been designed to operate trouble free for many years. These instructions should be followed closely to obtain the maximum usage and efficiency of the equipment. PLEASE read the instructions fully before installing or using the appliance. -
Page 8: Water Connections
Ideally, individual valves should be fitted to each unit to enable isolation from the system. 6.2 OPEN VENTED SYSTEM The Lochinvar SST can be used in an open vented arrangement provided that a vent pipe in accordance with CP342 or BS6700 is fitted. The minimum static head requirement for an open vented system will be detailed in the ICM Instructions of the primary heat source. -
Page 9: Un-Vented System
It is the law that all unvented hot water systems be installed by an approved installer. If the Lochinvar SST is to be used in an unvented arrangement, the system should follow the guidance given in BS6700 and must comply with The Building Regulations: Part G3 in England and Wales, P5 in Northern Ireland and P3 in Scotland. -
Page 10: Temperature And Pressure Relief Valve
6.3.3 TEMPERATURE AND PRESSURE RELIEF VALVE A temperature and pressure relief valve is provided in the unvented water system kit. This valve has a lift pressure of 7 bar and a lift temperature of 90°C. The valve must be fitted to the relief valve tapping. The storage vessel relief valve connection should not be used for any other purpose. -
Page 11: Relief Valve Discharge Pipework
METAL DISCHARGE PIPE (D1) FROM TEMPERATURE RELIEF VALVE TO TUNDISH SAFETY DEVICE (e.g. TEMPERATURE RELIEF VALVE) 600mm MAXIMUM TUNDISH 300mm MINIMUM DISCHARGE IDEALLY BELOW FIXED GRATING DISCHARGE PIPE (D2) FROM TUNDISH, WITH CONTINUOUS FALL FIXED GRATING TRAPPED GULLY 6.3.5 RELIEF VALVE DISCHARGE PIPEWORK... -
Page 12: Expansion Vessel Sizing
6.4.2 REQUIREMENTS Lochinvar has developed this kit to meet the stringent recommendations of both the HSE Approved Code of Practice L8 and Department of Health Memorandum HTM 04-01 relating to the control of legionella. For full compliance, a timer should be used to operate the pump for a period of at least 1... -
Page 13: Commissioning And Testing
8.2 MAINTENANCE SCHEDULE It is good practice to service the SST every 12 months. Lochinvar Limited recommend that this is the maximum service interval, however in hard water areas, it may be necessary to reduce this time period to ensure correct operation of the storage vessel and associated equipment. -
Page 14: Inspection And Cleaning
8.4 INSPECTION AND CLEANING 1. Drain the storage vessel. 2. Remove cover and gasket from cleanout opening. 3. Remove scale or sediment using care not to damage the vitreous enamel lining. 4. Inspect cleanout plate gasket and replace if necessary. 5. -
Page 15: User Instructions
If the hot water runs cool it may be necessary to manually switch on the immersion to heat the water – please see the relevant instructions for your alternative energy device. 10.0 ERP DATA TABLE Model Unit SST66 SST110 SST165 SST220 Energy label Watts...