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Sunamo UniQ HW3 Reference Manual

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UNIQ HEAT BATTERIES
REFERENCE MANUAL_V2.3
Version: 2018_07_19_v2.3
Abstract
This is a quick reference guide for selecting the UniQ range of heat batteries for the required
application. For designing a heating system based on UniQ heat batteries use main manual
Sunamp Ltd

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Summary of Contents for Sunamo UniQ HW3

  • Page 1 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Version: 2018_07_19_v2.3 Abstract This is a quick reference guide for selecting the UniQ range of heat batteries for the required application. For designing a heating system based on UniQ heat batteries use main manual Sunamp Ltd...

  • Page 2: Table Of Contents

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 CONTENTS Introduction ..............................3 1.1. Advantages of UniQ Heat batteries ........................4 1.1.1. UniQ HW, UniQ eHW, UniQ Dual and UniQ eDual range................4 1.1.2. UniQ Heat, UniQ eHeat, UniQ Dual and UniQ eDual range ................4 Technical Specifications ..........................
  • Page 3 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 6.1. Heat batteries fitted with electric element ....................... 18 6.2. UniQ HW, UniQ Heat and UniQ Dual batteries ............. Error! Bookmark not defined. 6.3. Heat batteries not fitted with an electric element.................... 22 Appendix 1 ................................24 Page 2 of 24...

  • Page 4: Introduction

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 1. Introduction The Sunamp UniQ range of advanced and compact heat batteries (i.e. heat stores) use the Phase Change Materials (PCMs) to store heat for producing hot water and for space heating in buildings. Sunamp heat batteries can be classified as primary thermal because the hot water is heated instantaneously on demand by transferring heat from the PCM to the mains water flowing through it, and they function like buffer vessels for space heating applications.

  • Page 5: Advantages Of Uniq Heat Batteries

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 1.1. Advantages of UniQ Heat batteries 1.1.1. UniQ HW, UniQ eHW, UniQ Dual and UniQ eDual range The main benefits of the UniQ HW, UniQ eHW, UniQ Dual and UniQ eDual heat batteries, compared with the traditional hot water cylinders and hot water only thermal stores are: a) The heat is stored in the Phase Change Material and therefore the stored water content in the battery is less than 15 Litres and the hot water is heated instantaneously on demand.

  • Page 6: Technical Specifications

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 2. Technical Specifications The standard models of the Sunamp heat batteries are supplied with PCM58 and these heat batteries can be used with any heat source which can run at flow temperature greater than 65 C.
  • Page 7 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Calculated from the storage capacity of the heat battery and assuming that the hot water cylinder thermostat is set at 60 C, mains cold water inlet temperature is at 10 C and the stored energy utilisation factor of cylinder is 0.85. Calculated from the storage capacity of the heat battery and assuming that the hot water outlet temperature is set at 40 C, mains cold water inlet temperature is at 10...
  • Page 8 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Table 2.3c: Pressure loss characteristic of UniQ size 9 batteries – All generic types Low power circuit (LPC) High power circuit (HPC) HPC & LPC Circuits in parallel [L/s] [bar] [kPa] [bar] [kPa] [bar] [kPa] 0.10 0.360 0.114...

  • Page 9: Uniq_Sbc_B Series Controller

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 3. UniQ_SBC_B Series Controller Figure 3.1: UniQ SBC B Controller & heat battery package 3.1. Description The UniQ_SBC_B series controller is housed in a separate box and is supplied with each heat battery. The controller parameters can be changed on-site.

  • Page 10: Controller Setup

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Table 3.2: Controller inputs and outputs Inputs PCB Pins Reading Temperature sensor S1 J1.2 & J1.1 T1 / Terminal marked T1 and 0V Temperature sensor S2 J1.2 & J1.3 T2 / Terminal marked T2 and 0V Temperature sensor S3 J1.2 &...

  • Page 11: Indicators

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Holding switch, SW2, down will show the current setting on the 4 LEDs. Holding the switch down for longer than 5 seconds will cause the LEDs to cycle. Release the switch, SW2, when the correct LED is illuminated, and this choice will be stored. LED # Controller program Show/set by holding down SW2...

  • Page 12: Design Of Cold And Hot Water Supplies

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 4. Design of cold and hot water supplies 4.1. General requirements a) Minimum dynamic mains water supply pressure = 1.5bar b) Maximum dynamic mains water supply pressure = 10.0bar Minimum mains cold and hot water pipe sizes (Up to UniQ HW 9, UniQ Dual 9 models) = 22mm copper or equivalent d) Minimum mains cold and hot water pipe sizes (Above UniQ HW 9, UniQ Dual 9 models) = 28mm copper or equivalent...

  • Page 13: Hot Water Secondary Circulation And Trace Heating

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Where = Total volume of the expansion vessel, [L] = Water content of the heat battery circuit used for DHW heating - From technical data tables, [L] = Hot water expansion factor for standard heat batteries, E = 0.03 = Absolute initial expansion vessel charge pressure, [bar]...

  • Page 14: Installation Guide Lines

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 5. Installation Guide lines 5.1. General wiring recommendations a) The heat batteries must be earthed. The wiring external to the heat batteries must be in accordance with the current I.E.E. (BS.7671) Wiring Regulations and any local regulations which apply. For IE reference should be made to the current ETCI rule for electrical installations.

  • Page 15: Electricity Supply And Wiring

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Figure 5.2A Figure 5.2B Potable water expansion vessel Thermostatic blending valve Building hot water supply Building cold water supply Water meter Water meter Assembly Assembly 5.2.2. Electricity supply and wiring The UniQ eHW batteries are designed for installation with UniQ_SBC_01 controller. See section 6 for wiring information. 5.3.

  • Page 16: Electricity Supply

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 To heating circuit To heating circuit From heating circuit From heating circuit To heat source To heat source From heat source From heat source HB1_TS HB1_TS HB1_TS UniQ Heat UniQ Dual UniQ HW Figure 4.4C: UniQ Heat battery pipe connections Figure 4.4B: UniQ Dual battery pipe connections Figure 4.4A: UniQ HW battery pipe connections A typical connection arrangement for the UniQ Heat configured as buffer vessel is shown in figure 5.2C.

  • Page 17: Heating Circuit Connections

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Figure 4.6B Figure 4.6A Potable water expansion vessel Thermostatic blending valve Building hot water supply Water meter Building cold water supply Assembly Heating flow Heating return 5.4.2. Heating circuit connections Typical connection arrangements for the UniQ eDual and the UniQ eHeat are shown in figures 4.6A and 4.6B respectively. The high and low powered ports connected in parallel for the UniQ eHeat batteries.

  • Page 18: Electricity Supply

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 The hot water circuit should be connected to the high powered ports (D and A) and the heat source should be connected to the low power port (B and C) as shown schematically in figure 4.8. d) For minimum and maximum working pressures see section 3.1.

  • Page 19: Electrical Wiring

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 6. Electrical wiring 6.1. Heat batteries fitted with electric element The heat battery will be supplied with a Uniq_SBC_B100 control box. The schematics below include several different application examples. Please contact Sunamp if your application is not covered and you are not sure how to proceed.
  • Page 20 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Figure 6.1: Wiring for electric storage water heater applications Heat battery Page 19 of 24...
  • Page 21 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Mains supply – Heat batteries using external heat source and auxiliary electric element Run and connect heater power supply cable (16A, minimum 2.5mm CSA) from the local 2-pole isolator to the heat battery controller as shown in figure 6.2. •...
  • Page 22 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Mains supply – Heat batteries with electrical input from solar diversion controller Run and connect heater power supply cable (16A, minimum 2.5mm CSA) from the solar diversion unit to the heat battery controller as shown in figure 6.3. •...
  • Page 23 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 6.2. Heat batteries not fitted with an electric element The heat battery will be supplied with a Uniq_SBC_B200 control box. Temperature sensors: Unroll the 4-core sensor cable and run it through the grommet in the battery casing to the controller. Connect the sensor cables to the controller as shown in figure 6.4: •...
  • Page 24 UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Figure 6.4: Wiring for heat batteries without electric element Power supply 230VAC 6A Heat source Heat battery control Page 23 of 24...

  • Page 25: Appendix 1

    UNIQ HEAT BATTERIES REFERENCE MANUAL_V2.3 Appendix 1 Earlier controller hardware variants were available as per the table below, but have now been merged. Please refer to user manual version 2.2 if you have a version with the old naming convention. UniQ_SBC_XX name (deprecated) UniQ_SBC_BXXX (current) UniQ_SBC_01...

This manual is also suitable for:

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