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Table of Contents 

 

Installation Guide 

Table of Contents 

 

The Display Panel ................................................................................................. 1

 

Functions ............................................................................................................... 2

 

Using Your SolaStat

TM

-Plus-ET ............................................................................. 4

 

Before Installation .................................................................................................. 6

 

Mounting the SolaStat

TM

-Plus-ET .......................................................................... 9

 

Mounting the Sensors ......................................................................................... 10

 

Installation and Wiring ......................................................................................... 12

 

Powering Up ........................................................................................................ 13

 

Installer Programming ......................................................................................... 14

 

Sensor Maintenance ........................................................................................... 21

 

SolaStat

TM

-Plus-ET Plumbing Issues .................................................................. 24

 

Trouble Shooting Guide ...................................................................................... 27

 

SolaStat

TM

-Plus-ET Specifications ...................................................................... 28

 

 

 

For technical help contact your distributor. 

Distributor Details: 

Contact: ……………………………………………………………….….. 

Phone:  

……………………………………………………………….….. 

Address: ……………………………………………………………….….. 

   …………………………………………………………………... 

   …………………………………………………………………… 

 

 

www.senztek.com

 

 Senztek Holdings Ltd. 2008 

 

Summary of Contents for SolaStat-Plus-ET

Page 1: ...SolaStatTM Plus ET Installation Guide FOR QUALIFIED PERSONNEL ONLY Version1 2 July 2011...

Page 2: ...StatTM Plus ET 9 Mounting the Sensors 10 Installation and Wiring 12 Powering Up 13 Installer Programming 14 Sensor Maintenance 21 SolaStatTM Plus ET Plumbing Issues 24 Trouble Shooting Guide 27 SolaSt...

Page 3: ...ce installation Power light indicates that the unit has power When the PUMP and FROST lights are on the pump is circulating water to stop the collector from freezing When the t appears at the left sid...

Page 4: ...rection of some problems It will also keep you informed of the measurement and the decisions it is making P Pr ri in nc ci ip pl le e o of f O Op pe er ra at ti io on n There are three key things to r...

Page 5: ...mp and has been effective as a backup in exceptional conditions This feature can help prevent the pump running for hours in a locked up state increasing the installation reliability This will not affe...

Page 6: ...erature TANK Temperature INLET Temperature To read each reading follow the steps below Continued on next page 1 When switching on the power the TANK light will be on and the tank temperature will be d...

Page 7: ...Plus ET Version 1 2 July 2011 Page 5 USING YOUR SOLASTAT TM PLUS ET CONTINUED 5 The ROOF light is on and the Roof temperature is displayed in this case 70 C 6 Press to proceed and the display will ret...

Page 8: ...FORE INSTALLATION Assemble the components you will need The SolaStatTM Plus ET solar hot water controller includes the following components Roof sensor TANK sensor INLET sensor SolaStatTM Plus ET Cont...

Page 9: ...3 All servicing to be carried out by an authorised service agent only 4 All aspects of the installation must comply with local electrical and plumbing regulations and any special solar hot water regul...

Page 10: ...s 3 It is recommended that sensor leads be kept 300mm away from mains and comms cables 4 Do not use mains power extension cords unless approved by the manufacturer Water resistant plugs and sockets sh...

Page 11: ...pen the enclosure during a standard installation For a standard installation follow these steps 1 Allow for the enclosure dropping 5mm from screw centres once mounted keyhole mounting 2 Place drill gu...

Page 12: ...used 2 The 2m Tank Sensor Labelled TANK SENSOR connects to the top of the hot water tank is best fitted into a metal immersion pocket in the upper region of the hot water tank Senztek also offer mount...

Page 13: ...orrect place 5 Failure to properly mount the Tank and Inlet Sensor as prescribed in the method above can result in i The system not operating at greatest efficiency ii Inaccurate tank and inlet temper...

Page 14: ...sed as a general guide and not all the required components are shown Each installation needs to be customised to suit its situation Always use best plumbing and electrical practices and comply with an...

Page 15: ...of the TANK temperature in C The PWR light and the TANK light should be on Right lights will be on indicating how the system is operating Testing The collector pump operation can be tested by pressin...

Page 16: ...n Winter 6 Energy Transfer On in Winter 7 Frost 8 Topout These are explained in more detail below Heating Mode Heating Mode triggers heating of the tank and involves two values Pump Off the ROOF senso...

Page 17: ...Mode is activated Repeat this to go back to Summer Mode Example Energy Transfer Off in Summer 60 C Energy Transfer On in Summer 70 C When the tank temperature has reached to 70 C the energy transfer...

Page 18: ...is the value stored as the maximum allowable hot water tank temperature If the tank reaches to the topout temperature t will be displayed at the left side of the screen for ROOF TANK INLET reading Th...

Page 19: ...Programming Table for Adjustable Values Adjustable Values Light Indication Typical Factory Values Range Disabled Installation Values Pump Off PUMP Flashing 6 C 1 C 20 C N A ________ C Pump On PUMP St...

Page 20: ...s Continued on next page 1 Press the key 2 All the display lights will come on for a few seconds Wait for the pump counter to display 3 After all lights have finished flashing only then press 4 Then p...

Page 21: ...alue entry Note 2 After each key press you have a minute to press another key before the unit times out See next page for an example Continued on next page 1 Use and to increase or decrease values to...

Page 22: ...o increase or to decrease Pump On value to 12 Step 3 Press Press to increase or to decrease Energy Transfer Off in Summer value to 60 Step 4 Press Press to increase or to decrease Energy Transfer On i...

Page 23: ...rmly attach wires to each other by either soldering heatshrink over each joint or by quality screw terminals Joints must be kept dry It is recommended that sensor leads be kept 300mm away from mains a...

Page 24: ...on each corner of the lid of the enclosure This will require a fine tipped tool such as a screw driver Be careful not to damage the lid Always press the tool away from you to avoid injury if you slip...

Page 25: ...See section of this manual Sensor Resistances The table below has the correct resistance values of the sensor at different temperatures The sensor must be removed from the SolaStatTM Plus ET to measu...

Page 26: ...ts including the pump must be rated for the elevated temperatures found in solar hot water systems Non Return Valve System Hot water rises and cold water falls If the solar collector is colder than th...

Page 27: ...in a pump is more likely to occur as the temperature of the water rises and or the pressure of the water decreases Bubbles form when the water is sucked into the pumps impellor and collapse again as...

Page 28: ...has enough head pressure is best as this will create the lowest pressure difference in the pump 3 Mount the pump as low as possible to achieve highest water pressure out of the tank feeding into the p...

Page 29: ...noise like stones passing through it then it is cavitating See Plumbing Issues 3 Check programming is correct 4 Air Relief Valves not installed functioning Pump runs at night FROST light is ON a Frost...

Page 30: ...rost Protection 1 10 C with 2 C hysteresis or OFF Topout 1 120 C with 2 C hysteresis or OFF EMC and Safety Compliances Emissions EN 55022 A CTick Immunity EN 50082 1 Safety Compliance EN 60950 CTick G...

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