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Summary of Contents for Senztek SolaSmart Plus
- Page 1 SolaSmart Plus ™ INSTALLATION GUIDE www.senztek.com © Senztek Holdings Ltd. 2011...
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Page 2: Table Of Contents
Tariff Table ......................21 Display and Diagnostics ..................22 Sensor Maintenance ....................25 Trouble Shooting Guide ..................27 Specifications ......................29 For technical help contact your distributor. Distributor Details: www.senztek.com Senztek Holdings Ltd. 2009 Version 1.1 – March 2012 Table of Contents... -
Page 3: Before You Begin Installation
SolaSmart™ Plus Installation Guide EFORE EGIN NSTALLATION Assemble the The SolaSmart™ Controller is supplied with the following components: Components Plug In Roof sensor You Will Need Tank sensor Inlet sensor Mains cable Pump cable Associated screws ... - Page 4 SolaSmart™ Plus Installation Guide EFORE EGIN NSTALLATION ONTINUED Assemble the You will need the following tools to install the SolaSmart™: Tools You Philips1 screwdriver for lid screws. Will Need Pozi 2 screwdriver for mounting screws. NOTE: These tools are needed to mount the SolaSmart™ only, and other tools may be needed for the remainder of the installation including the sensors.
- Page 5 SolaSmart™ Plus Installation Guide EFORE EGIN NSTALLATION ONTINUED Installers need to ensure the following: Installation Precautions The controller must be installed away from water sources such as rain, leaking pipes, or wet floors; and must not be installed in damp areas like bathrooms.
- Page 6 SolaSmart™ Plus Installation Guide EFORE EGIN NSTALLATION ONTINUED Electrical When undertaking electrical installations, please note the following: Precautions All mains voltage electrical work must be carried out by a qualified electrician, especially external power outlet socket installation. A readily accessible disconnect device, over current device and RCD Protection rated to suit the size of the pump plus 5VA must be incorporated in the power supply wiring.
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Page 7: Installing The Solasmart™ Controller
SolaSmart™ Plus Installation Guide ™ C NSTALLING THE MART ONTROLLER Overview The diagram below shows how the SolaSmart™ is connected to the hot water cylinder (HWC), the collector, and the three sensors (ROOF, TANK and INLET). Continued on next page Version 1.1 –... - Page 8 SolaSmart™ Plus Installation Guide ™ C NSTALLING THE MART ONTROLLER ONTINUED Where to The SolaSmart should be mounted so that: Mount the 1. It is against a flat surface with sufficient strength to hold the enclosure SolaSmart and any additional weight from the plugs, sockets and cables, 2.
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Page 9: Mounting The Sensors And Connecting Wiring
SolaSmart™ Plus Installation Guide OUNTING THE ENSORS AND ONNECTING IRING Introduction The locations and way that the sensors are mounted is critical to ensure the SolaSmart™: Operates correctly and at greatest efficiency; Protects the system against damage from extreme temperatures, and If the Tank (Upper Tank) and/or Inlet (Lower Tank) sensors are not mounted correctly: There may be an inaccurate Topout sensing, which could lead to damage to... - Page 10 HWC). If a ‘pocket’ is not available, then bond the sensor against the metal wall of the tank (not the outside cladding or insulation). Senztek has an ‘S3’ mounting option Apply plenty of heat transfer compound (available from your distributor) between the sensor and the lining of the ‘pocket’...
- Page 11 SolaSmart™ Plus Installation Guide OUNTING THE ENSORS AND ONNECTING IRING ONTINUED Connect the The SolaSmart™ is supplied pre-wired with mains plug and pump socket, Wiring tank and inlet sensors. 1. Connect the wiring from the SolaSmart™ Controller to the ROOF sensor, the TANK sensor and the INLET sensor.
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Page 12: Powering Up
SolaSmart™ Plus Installation Guide OWERING Before you Before you power up, make sure you have: Connect the Read the safety instructions, warnings and liability statements. Power Completed installation. Securely mounted the unit in place before you connect power to the unit. Checked that no water, metal shavings or other electrical hazards are anywhere near the plug, socket and/or surrounding environment. - Page 13 SolaSmart™ Plus Installation Guide OWERING ONTINUED What you will Before you power up, make sure you have: Read the safety instructions, warnings and liability statements. Completed installation. Securely mounted the unit in place before you connect power to the unit. Checked that no water, metal shavings or other electrical hazards are anywhere near the plug, socket and/or surrounding environment.
- Page 14 SolaSmart™ Plus Installation Guide OWERING ONTINUED ONTINUED Setting the The display is accessed by taking the top cover off the unit. Care must be Time and Date taken in these conditions as there are dangerous voltages present around the high voltage section of the PCB. There is a plastic sheath fitted around this area under normal conditions.
- Page 15 SolaSmart™ Plus Installation Guide OWERING ONTINUED ONTINUED Final Checks The SolaSmart is now fully installed and should be working. It is best to observe some solar hot water pump cycles, but this will depend on the sun shining. Check all functions are working correctly before leaving the installation. The SolaSmart™...
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Page 16: Plumbing Tips
SolaSmart™ Plus Installation Guide LUMBING Overview This section will help you to ensure the plumbing associated with the SolaSmart™ will enable the system to be operated safety and to maximum efficiency. All plumbing installations should be carried out by registered and qualified plumbers and all regulatory and local standards must be applied. - Page 17 SolaSmart™ Plus Installation Guide LUMBING ONTINUED Pressure Solar hot water systems can run much hotter than standard domestic hot Relief Valves water systems. Hotter water expands more, and needs high quality pressure relief valves to ensure the tank or other components do not burst under pressure.
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Page 18: About The Pump Settings
SolaSmart™ Plus Installation Guide BOUT THE ETTINGS Introduction The SolaSmart™ works by turning the pump on when the difference between the temperature at the solar hot water collector (ROOF) and the INLET is at a high level (i.e. the temperature at the solar hot water Collector is significantly higher than the temperature at the bottom of the tank (INLET). - Page 19 – until the water in the cylinder has cooled down to a safe level. Senztek has also developed an advanced Topout method that delays the onset of collector stagnation and facilitates early recovery if stagnation has occurred.
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Page 20: Biosafe, Reheat, And Boost Functions
SolaSmart™ Plus Installation Guide EHEAT OOST UNCTIONS Collector During BioSafe the pump is run for two minutes once the tank is above the BioSafe target temperature. BioSafe Mode BioSafe runs periodically according to the settings. Only Inlet (Lower Tank) Sensor is used and Lower Element will be turned on when the controller is in the BioSafe Mode. - Page 21 SolaSmart™ Plus Installation Guide EHEAT OOST UNCTIONS ONTINUED Reheat Mode Either the Tank (Upper Tank) or Inlet (Lower Tank) Sensor and either the Upper or Lower Element will be used in Reheat Mode. The Tariff Table on page 5 specifies which sensor will be used for control and which element will be used heating the tank.
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Page 22: Operational Settings
SolaSmart™ Plus Installation Guide PERATIONAL ETTINGS Introduction All settings are factory set and not editable from the controller. Default values shown below. It is recommended for solar installations to set the Tank Max value to as high as safely possible. SETTINGS SOLAR Settings Setting names... -
Page 23: Tariff Table
SolaSmart™ Plus Installation Guide ARIFF ABLE Introduction The Tariff Table allows the controller to be setup in such a way as to minimise the home owners electricity cost. It comprises time bands in a 24 hour period and for each time band specifies various parameters as detailed below. Table 1 shows all the variables in Tariff Table. -
Page 24: Display And Diagnostics
SolaSmart™ Plus Installation Guide ISPLAY AND IAGNOSTICS Introduction The display is accessed by taking the top cover off the unit. Care must be taken in these conditions as there are dangerous voltages present around the high voltage section of the PCB. There should be a plastic sheath fitted around this area under normal conditions. - Page 25 SolaSmart™ Plus Installation Guide ISPLAY AND IAGNOSTICS ONTINUED Screen 6: SEG 1: Diagnostics Solar Rule that is currently active IDLE Frost Differential TopOut (D1 Stage 1, D2 Stage 2 , D1 & D2 Stage 3) Collector BioSafe Error SEG 2: HWC Rule that is currently active IDLE Reheat...
- Page 26 SolaSmart™ Plus Installation Guide ISPLAY AND IAGNOSTICS ONTINUED LEDs diagnose the operation of the controller. The LEDs indicates the LEDs following information L1. Controller OK: On – Controller is running successfully Off – Controller failed power up Built in Test L2.
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Page 27: Sensor Maintenance
SolaSmart™ Plus Installation Guide ENSOR AINTENANCE Lengthening The sensor wire can be lengthened within certain guidelines: Sensor Wire The absolute maximum cable length is 100m (328 feet). Over 20m (66 feet), care must be taken to avoid electrical interference being picked up. - Page 28 9. Replace the lid, replace the four screws and tighten. 10. Push in four new screw covers available from your distributor or Senztek NZ Ltd. NOTE: There are locating lugs to ensure correct orientation. 11. Reconnect the SolaSmart and turn on the power.
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Page 29: Trouble Shooting Guide
SolaSmart™ Plus Installation Guide ROUBLE HOOTING UIDE Symptom Possible Cause Solution No operation, no No power/fault Check mains outlet. lights ON Press pump button. If pump light comes on controller is o.k. Sensor O.K. light OFF ... - Page 30 SolaSmart™ Plus Installation Guide ROUBLE HOOTING UIDE ONTINUED Symptom Possible Cause Solution Hot water stored System is reverse thermo-siphoning The non-return method is not effective drops significantly at malfunctioning. System is in a high frost area night, yet little or no associated with night time pump draw off by user ...
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Page 31: Specifications
SolaSmart™ Plus Installation Guide PECIFICATIONS Power Supply: Supply Voltage 240 Vac +/- 10% 50 to 60 Hz Quiescent power usage 2VA typical Relay Outputs: Pump: 10A (240Vac) Resistive (element) ½ HP/375W (240Vac) Motor rating (0.4cos theta) Zero Crossing contact closure / open Voltage from input switched through this output 2x HWC: 16A (240Vac) Resistive (element) 1.5 HP/1100W (240Vac) Motor rating (0.4cos theta) - Page 32 SolaSmart™ Plus Installation Guide PECIFICATIONS ONTINUED General Specifications: (Unless otherwise stated in other input specifications) Control Range -40 ~ +299°C Operating Temperature 0~60°C Operating Humidity 5 ~ 85% RH. Non-Condensing Enclosure Construction Polycarbonate - Impact Resistant UL94 V-2 Non Burning, UV A & B Stabilized Water resistant to IP54 Dimensions L = 167mm...
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- Page 34 Senztek NZ Ltd ºSenztek Australia Ltd Senztek UK Ltd...
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