1. DL manuals
  2. Senztek
  3. Water Heater
  4. SolaStat-Plus
  5. Installation Manual

Senztek SolaStat-Plus Installation Manual

Summary of SolaStat-Plus

  • Page 1

    Installation guide for qualified personnel only solastat ™ -1-3 an intelligent technology solution for water heating.

  • Page 3: Table Of Contents

    Solastat™-1-3 installation guide version 1.1– april 2013 table of contents table of contents before you begin installation .................................................................................... 1 installing the solastat™ controller .........................................................

  • Page 4

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 1 b efore y ou b egin i ns tallation assemble the components you will need the solastat™ controller is supplied with the following components: roof sensor tank sensor inlet sensor mains cable pump cable associated screws mounting guide s...

  • Page 5

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 2 b efore y ou b egin i ns tallation , c ontinued assemble the tools you will need you will need the following tools to install the solastat™: philips1 screwdriver for lid screws pozi 2 screwdriver for mounting screws note: these tools a...

  • Page 6

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 3 b efore y ou b egin i ns tallation , c ontinued installation precautions installers need to ensure the following: the controller must be installed away from water sources such as rain, leaking pipes, or wet floors; and must not be inst...

  • Page 7

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 4 b efore y ou b egin i ns tallation , c ontinued electrical precautions: when undertaking electrical installations, please note the following all mains voltage electrical work must be carried out by a qualified electrician, especially e...

  • Page 8

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 5 i ns talling the s ola s tat ™ c ontroller overview the diagram below shows how the solastat™ is connected to the hot water cylinder (hwc), the collector, and the three sensors (roof, tank and inlet). Continued on next page.

  • Page 9

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 6 i ns talling the s ola s tat ™ c ontroller , c ontinued where to mount the solastat tm the solastat tm controller should be mounted so that: 1. It is against a flat surface with sufficient strength to hold the enclosure and any additio...

  • Page 10

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 7 m ounting the s ens ors and c onnecting w iring introduction the locations and way that the sensors are mounted is critical to ensure the solastat™ - operates correctly and at greatest efficiency; protects the system against damage fro...

  • Page 11

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 8 m ounting the s ens ors and c onnecting w iring , c ontinued positioning the inlet sensor the inlet sensor should be fitted into a metal immersion ‘pocket’ above the hwc electric element near the bottom of the tank (usually just above ...

  • Page 12

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 9 m ounting the s ensors and c onnecting w iring , c ontinued connect the wiring the solastat™ is normally supplied pre-wired, hence wiring inside the controller should not be necessary. However, if needed, the wiring diagrams below show...

  • Page 13

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 10 p owering u p before you connect the power before you power up, make sure you have read the safety instructions, warnings and liability statements, completed installation, and securely mounted the unit in place before you connect powe...

  • Page 14

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 11 p owering u p , c ontinued what you will see when you power up the unit, it will look like the picture below. Check that the pump is operating by pressing the pump button. This will turn the pump on for as long as you hold it down, un...

  • Page 15

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 12 p owering u p , c ontinued final checks the solastat tm 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 cor...

  • Page 16

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 13 p lumbing t ip s overview this section will help you to ensure the plumbing associated with the solastat™ will enable the system to be operated safety and to maximum efficiency. All plumbing installations should be carried out by regi...

  • Page 17

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 14 p lumbing t ip s , c ontinued pressure relief valves solar hot water systems can run much hotter than standard domestic hot water systems. Hotter water expands more, and needs high quality pressure relief valves to ensure the tank or ...

  • Page 18

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 15 p lumbing t ip s , c ontinued pump cavitation to prevent cavitation: make sure the pump is appropriate for the installation on a variable speed pump, make sure the setting is correct – a slower speed that still has enough head pressur...

  • Page 19

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 16 a bout the p ump s ettings introduction the solastat™ works by turning the pump when the difference between the temperature at the solar hot water collector (roof) and the temperature in the tank, is at a certain level. The pump turns...

  • Page 20

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 17 a bout the p ump s ettings , c ontinued adjusting the setting if you increase the pump on value, the solar heater will heat up more before the heat is transferred to your hot water tank. Hotter water will enter your tank, but it may t...

  • Page 21

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 18 p rogramming the s ola s tat ™ d d e e f f a a u u l l t t s s e e t t t t i i n n g g s s the solastat™ settings have been factory set with the pre-set values specified in the programming table at the end of this manual. These settin...

  • Page 22

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 19 p rogramming the s ola s tat ™, c ontinued enter adjustable values when you have entered the installer programming mode, the pump light will be flashing. The unit is now ready to accept the pump off value entry, and subsequent values....

  • Page 23

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 20 p rogramming the s ola s tat ™, c ontinued adjust the pump off temperature the pump off temperature determines the temperature at which the pump will be turned off, to allow the water in the cylinder to heat up fully (i.E. Make sure t...

  • Page 24

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 21 p rogramming the s ola s tat ™, c ontinued adjust the pump on temperature the pump on temperature determines the temperature of the tank that will activate the pump, to transfer water into the hot water cylinder. The standard value is...

  • Page 25

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 22 p rogramming the s ola s tat ™, c ontinued set the topout temperature the topout temperature is the maximum temperature that you will allow in the cylinder. Very high temperatures in the cylinder can cause damage (especially for ceram...

  • Page 26

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 23 p rogramming the s ola s tat ™, c ontinued adjust the frost value the frost value is installed in some (but not all) units. It is designed to protect your collector and hot water system from freezing and bursting. When this temperatur...

  • Page 27

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 24 p rogramming the s ola s tat ™, c ontinued selecting celsius or fahrenheit you can select whether temperatures are given in celsius or fahrenheit using the next programmable value. Use the + or – button to toggle the setting between c...

  • Page 28

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 25 p rogramming the s ola s tat ™, c ontinued completing and storing the programming all values are now stored. You can check the values simply by continuing to press the next key to scroll repeatedly through all the values set. When you...

  • Page 29

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 26 s ens or m aintenance lengthening sensor wire the sensor wire can be lengthened within certain guidelines: the absolute maximum cable length is 100m (328 feet). Over 20m (66 feet), care must be taken to avoid electrical interference b...

  • Page 30

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 27 s ens or m aintenance , c ontinued replacing a sensor, continued 7. Place the wires of the new sensor into the terminal block where the old sensor came from and retighten the screws. 8. Do not allow the sensor cable to come within 10m...

  • Page 31

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 28 t rouble s hooting g uide symptom cause solution no operation, no display and no lights (no power light) no power/fault check mains outlet. Check fuses. Power light on but no display or corrupted display. Power brown out (mains power ...

  • Page 32

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 29 symptom cause solution display on, pump not running, but sunny outside. Pump light off roof sensor reads hi on display sensor not mounted properly water not hot enough yet normal operation, pump disabled check that the roof senor is t...

  • Page 33

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 30 p rogramming t able settings may be changed by a qualified installer or maintenance technician. Caution: incorrect settings of these values could damage the solar collector and/ or the pump. Enter the programmed values in the correspo...

  • Page 34

    Solastat™-1-3 installation guide version 1.1 – april 2013 page 31 s p ecifications power supply. Supply voltage 85 – 264 vac (high) or 22 – 85 vdc (medium) (must be specified at time of ordering) max power usage 5va + external loads. Relay outputs. Pump: 10a (240vac) resistive for pre-wired option 1...

  • Page 36

    Senztek nz ltd senztek australia ltd senztek uk ltd.