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Models:
SSCF130-305
STCF130-305
SIVS-HP150-500
Warning:
Read and fully understand this manual before attempting to install this Water heater. It can cause
personal injury and damage to the Water heater when you do not read the manual and/or do
not obey the instructions.
Squire stainless Water heaters
Installation, commissioning, and
maintenance instructions
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Summary of Contents for Lochinvar SSCF130
- Page 1 Squire stainless Water heaters Installation, commissioning, and maintenance instructions Models: SSCF130-305 STCF130-305 SIVS-HP150-500 Warning: Read and fully understand this manual before attempting to install this Water heater. It can cause personal injury and damage to the Water heater when you do not read the manual and/or do...
- Page 2 Document Control Article Language Version Date Modified by Squire stainless Residential range Installation Instructions English 20-May-24 S.Addis...
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Page 3: Table Of Contents
MAINTENANCE............................................................16 GENERAL ............................................................16 DRAINING THE WATER SYSTEM .....................................................16 RE-FILLING THE SYSTEM ......................................................16 OTHER CHECKS...........................................................16 USER INSTRUCTIONS.........................................................17 APPENDIX 1 TECHNICAL DATA TABLES SSCF130-305 .............................................18 10.0 APPENDIX 2 TECHNCIAL DATA TABLES STCF130-305 .............................................18 11.0 APPENDIX 3 TECHNCIAL DATA TABLES SIVS-HP150-500............................................19 12.0 APPENDIX 4 TECHNCIAL DATA TABLES SIT-SDT300-450 ............................................20 13.0... -
Page 4: Introduction
INTRODUCTION Lochinvar Squire stainless steel vessels are designed to be used as an indirect vessel in conjunction with a solar thermal system or with a circulating condensing Boiler. Only models SIVS-HP are suitable for direct connection to an air source heat pump There are three versions of the storage vessels. -
Page 5: Safety Guidelines
Commissioning, maintenance, and repair must be done by a skilled installer/engineer, according to all applicable standards and regulations. 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
2.1 DIMENSIONAL DRAWINGS 2.1.1 SSCF130-305 Model SSCF130 192.5 SSCF150 1085 192.5 SSCF175 1242 267.5 SSCF215 1484 267.5 SSCF255 1752 267.5 SSCF305 2028 267.5... - Page 7 2.1.2 STCF130-305 Model STCF130 192.5 192.5 STCF150 1085 192.5 192.5 STCF175 1242 267.5 262.5 STCF215 1484 267.5 262.5 STCF255 1752 267.5 262.5 STCF305 2028 267.5 262.5...
- Page 8 2.1.3 SIVS-HP150-500 Model 1085 SIVSHP-150 1242 SIVSHP-175 1485 SIVSHP-215 1752 SIVSHP-250 2028 SIVSHP-305 1405 SIVSHP-400 SIVSHP-500 1690...
- Page 9 2.1.4 SIT-SDT300-450 SDT Twin coil models SIT Single coil models Model Storage Capacity Hot Outlet Litres SIT300 1765 1765 1568 SIT450 1734 1734 1530 SDT300 1765 1765 1568 1365 1022 SDT450 1734 1734 1530 1384...
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Page 10: General Requirements
GENERAL REQUIREMENTS The Lochinvar Squire stainless steel 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 11: Water Connections
It is the law that unvented hot water systems be installed by an approved installer. If the Lochinvar Squire stainless steel vessel 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 12 BUILDING FLOW = ISOLATION VALVE = PRESSURE REDUCING VALVE TPRV = NON-RETURN VALVE = EXPANSION VALVE = TUNDISH = LOCKSHIELD VALVE = EXPANSION VESSEL COLD FEED BUILDING RETURN TPRV = TEMPERATURE & PRESSURE RELIEF VALVE = DRAIN VALVE = BUILDING RETURN PUMP = PRIMARY CIRCULATING PUMP = TEMPERATURE SENSOR * = OPTIONAL EXPANSION VESSEL IF SYSTEM...
- Page 13 SOLAR ARRAY TEMPORARY BUILDING RETURN FLEXIBLE FILLING CONNECTION = ISOLATION VALVE PRV = PRESSURE REDUCING VALVE NRV = NON-RETURN VALVE = EXPANSION VALVE = TUNDISH HOT WATER TPRV OUTLET = LOCKSHIELD VALVE EXV = EXPANSION VESSEL 230V TPRV = TEMPERATURE & PRESSURE RELIEF VALVE = DRAIN VALVE BRP = BUILDING RETURN PUMP PUMP STATION...
- Page 14 5.2.3 TEMPERATURE AND PRESSURE RELIEF VALVE A temperature and pressure relief valve is factory fitted. The storage vessel relief valve connection should not be used for any other purpose. 5.2.4 RELIEF VALVE DISCHARGE PIPEWORK It is important that any discharge water does not collect in the discharge pipework and can run freely to the tundish. The tundish should be mounted in a vertical and visible position located in the same space as the unvented hot water storage system and be fitted as close as possible and within 600mm of the safety device e.g.
- Page 15 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 5.2.5 RELIEF VALVE DISCHARGE PIPEWORK 5.2.6 EXPANSION VESSEL SIZING The following information is based on an inlet pressure of 3.5 bar.
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Page 16: Stratification
5.3.2 OLAR THERMAL 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 within solar thermal installations. -
Page 17: Maintenance
MAINTENANCE 7.1 GENERAL Regular servicing is recommended, preferably by a Lochinvar appointed person, to ensure trouble free operation. Even if a maintenance schedule is determined to be less than annually, it is important that all controls and safety features are checked for correct operation on an annual basis. -
Page 18: User Instructions
USER INSTRUCTIONS Your Squire Stainless unvented hot water cylinder has been designed to give many years of trouble free service and is made from hygienic, high grade stainless steel. Where applicable, it includes a 3kW electric immersion heater which heats the water to 60°C once pre-heating of the solar system is completed (SSCF models for Solar use only). -
Page 19: Appendix 1 Technical Data Tables Sscf130-305
APPENDIX 1 TECHNICAL DATA TABLES SSCF130-305 Description Unit SSCF130 SSCF150 SSCF175 SSCF215 SSCF255 SSCF305 General Storage volume Litres 1.22 1.36 1.53 1.72 1.87 2.05 Heat loss kW/24 hours Coil size 0.75 0.75 Coil rating flowrate l/sec 0.33 0.33 0.33 0.33 0.33... -
Page 20: Appendix 3 Techncial Data Tables Sivs-Hp150-500
11.0 APPENDIX 3 TECHNCIAL DATA TABLES SIVS-HP150-500 Description Unit SIVSHP-150 SIVSHP-175 SIVSHP-215 SIVSHP-250 SIVSHP-305 General Storage volume Litres 1.36 1.53 1.72 1.87 2.05 Heat loss kW/24 hours Coil size Coil rating flowrate l/sec 0.45 0.45 pressure drop Reheat time mins Immersion heater 1 x 3 1 x 3... -
Page 21: Appendix 4 Techncial Data Tables Sit-Sdt300-450
12.0 APPENDIX 4 TECHNCIAL DATA TABLES SIT-SDT300-450 Description Unit SIT300 SIT450 Description Unit SDT300 SDT450 General General Storage volume Litres Storage volume Litres Heat loss kW/24 hours 0.62 0.85 Heat loss kW/24 hours 0.83 Coil size 1.25 2.05 Top Coil size 1.25 2.05 Coil rating... -
Page 22: Appendix 5 Erp Specification Data Sheets
13.0 APPENDIX 5 ErP SPECIFICATION DATA SHEETS Description Unit SSCF130 SSCF150 SSCF175 SSCF215 SSCF255 SSCF305 Energy efficiency class Standing loss Watts Storage volume Litres Description Unit STCF130 STCF150 STCF175 STCF215 STCF255 STCF305 Energy efficiency class Standing loss Watts Storage volume... -
Page 23: Appendix 6 Warranty
A claim on grounds of the specified warranty must be submitted to the dealer from whom the water heater was purchased, or to another authorized dealer of Lochinvar Ltd. Inspection of the water heater as referred to in articles 1 and 2 shall take place in o ne of the laboratories of Lochinvar Ltd.
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