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Solahart 151 Manual

Closed circuit thermosiphon
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Rheem Australia Pty Ltd
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed "uncontrolled".
Solahart Closed Circuit
Thermosiphon
ABN 21 098 823 511
TM034
Revision: AG
December 2017
181
302
303

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Summary of Contents for Solahart 151

  • Page 1 Rheem Australia Pty Ltd ABN 21 098 823 511 Solahart Closed Circuit Thermosiphon TM034 Revision: AG December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 2: Table Of Contents

    NOISY WATER HEATER (FFC 8) ..................38 COMPONENT REPLACEMENT ..................39 DOCUMENT REVISION HISTORY ................... 45 TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 3: Introduction

    The purpose of these service instructions is to provide sufficient information to allow a person with the skills as required by the controlling Regulatory Authorities to carry out effective repairs to a Solahart closed circuit thermosiphon solar water heater in the minimum of time.

  • Page 4: Touch Voltage Testing

     If the earth path of the appliance is intact, the problem is with the household wiring TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 5: Specifications

    180F TANK 2.5KW BOBBIN 10115026 180J TANK 2.5KW BOBBIN 10116718 220F TANK 1.8KW TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 6: Preventative Maintenance

    12. Confirm all supports and anchors retaining the system to the roof are present, firmly fixed and in good condition. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 7: Closed Circuit Thermosiphon System Operation

    The CS13C systems have a modest performance increase compared to the SC systems they replace. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 8 The new valve will appear in parts kits used for closed circuit thermosiphon system installations from October 2016. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 9 The LCS collector had a greater efficiency than the J collector and as such the LCSC system was fitted with Hartstat as standard to inhibit ‘dumping’ from the T&PR valve. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017...
  • Page 10 20 = 2.0m Number of risers 00 = pressed steel multi-flow design TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 11 Tee-bolts into collector rail channel Collector clamp fixing detail TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 12 Items highlighted in have subsequently been deleted from the range and are no longer available. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 13 T = HartStat OTP system M = Frame Mount W = With Pitch Frame Mount TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 14 302JKF Hartstat Upgrade Kit 12104735 303JKF Hartstat Upgrade Kit 12104736 443JKF Hartstat Upgrade Kit TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 15 Pipe Shroud Cover: A Pipe Shroud Cover was introduced to the Solahart thermosiphon range in November 2011. The pipe shroud cover is supplied with all thermosiphon systems purchased in Australia (optional for international sales). The purpose of the pipe shroud cover is to provide a visually neater installation as its function...
  • Page 16 Register of Solar Water Heaters and therefore are no longer eligible for the Small- scale Renewable Energy Scheme (SRES): 182, 221, 301, and 444. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 17 ST13 thermostat used in other solar applications. The ST13S has been modified to suit the Solahart thermosiphon application due to the close proximity of the thermostat terminals to the tank’s central flange. Two of the thermostat’s connection terminals have been rotated by 90°...

  • Page 18: Components & Their Function

    The Hartgard ensures that the collectors do not suffer any damage during frost conditions (adequate down to -7ºC). TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 19: Hot Water Physics Related To Solar Water Heaters

    The latent heat of steam is approximately 6 times the specific heat of water, i.e. to convert water at 100ºC to steam at 100ºC will require approximately 252 kJ/kg. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017...

  • Page 20: Common Faults

    2. Milky coloured water is generally air in suspension and will disperse of its own accord. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 21 1. Turn off the stopcock on the cold water supply to the water heater. 2. Open a hot tap. If water flow is persistent and cold then a cross connection exists. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017...
  • Page 22 If excessive discharge from T&PR valve persists during periods of low solar contribution this may indicate a fault that requires further investigation. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 23: Wiring Diagram

    Collector circuit High energy bills Leaking water heater Noisy water heater TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 24: Fault Diagnosis Sequence

    Leaking water heater for leaking? Is the complaint Noisy water heater for noise? TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 25: Hot Water - Electric Booster Circuit (Ffc 1)

    Electric booster circuit (2) of low solar contribution. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 26: Component Testing

    Using a multimeter on the AC voltage scale, measure between active and neutral on the terminal block. The voltage should be approximately 240 volts. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 27: Hot Water - Electric Booster Circuit 2 (Ffc 1.1)

    Continue with diagnosis. Collector circuit (1) solar gain? Insufficient hot water TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 28 Closed circuit reading is 0 ohms (open circuit will result in infinite resistance). TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 29 3.6kW: 15 ohms – 16 ohms +/- 10% 4.8kW: 11 ohms – 12 ohms +/- 10% TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 30: Electrical Insulation Test (Ffc 1.2)

    4. Replace fuse. Note: If continuing with diagnostic procedure do not replace fuse. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 31: Hot Water - Collector Circuit 1 (Ffc 2)

    No hot water - Collector circuit (2) TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 32: Hot Water - Hartstat (Ffc 2.1)

    Continue with diagnosis Hartstat operating normally No hot water - Collector circuit (1) TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 33: Hot Water - Collector Circuit 2 (Ffc 2.2)

    Advise customer on usage pattern Insufficient hot water that will suit. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 34: Insufficient Hot Water / Excessive Discharge From T&Pr (Ffc 3 & 3.1)

    Advise customer on the requirement to boost when solar gain is not available. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 35: Water Too Hot - Booster Circuit (Ffc 4)

    Replace the thermostat. orientation? Refit heating unit in the correct orientation. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 36: Water Too Hot - Collector Circuit / High Energy Bills (Ffc 5 & 6)

    Possible increase in hot water consumption or energy unit cost from power provider TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 37: Leaking Water (Ffc 7)

    Replace the collector for hot spots on the jacket. Replace tank. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 38: Noisy Water Heater (Ffc 8)

    TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 39: Component Replacement

    8. Once reassembly is complete, recharge closed circuit (Refer procedure 8) and check for leaks. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 40 6. Reconnect the wiring as per the circuit diagram. 7. Refit the access cover. 8. Restore the power supply. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 41 16. Refit the access cover. 17. Restore power supply to electric booster circuit. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 42 13. Purge air from the system through hot taps. 14. Restore the power supply. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 43 12mm hose. Water will be displaced from vent port as Hartgard is added to the closed circuit. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
  • Page 44 13. Refit the cover (or flue terminal). Open a hot tap to dispel air from the tank, or operate the T&PR valve. 14. Restore the power supply. TM034 Solahart Closed Circuit Thermosiphon Service Instructions REV AG – December 2017 This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.

  • Page 45: Document Revision History

    Title: Solahart Closed Circuit Thermosiphon Service Instructions TM034 Number: Revision Details of change D.O.I. Service Instructions issued for Solahart J & Kf Series 12/12/08 Updated to include ST thermostat modification 19/06/09 Addition of Pipe Shroud Kit & Hartstat valve phase 3 02/02/12 Removal of exploded views and spare parts information.

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