Regulus STDC E Instruction Manual Download Page 5

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B - Hydraulic variants

The following pictures represent possible hydraulic variants of solar systems controlled by STDC E controller. 

1

2

3

6

7

Solar thermal
system with 
storage tank

Solar thermal
system with 
swimming pool

Solid fuel boiler with 
storage tank

Return line
preheating

Thermostat

Universal 

ǻ

T

Heat transfer 
between storage tanks

5

4

1.  B 1 - Solar thermal system with storage tank
2.  B 2 - Solar thermal system with swimming pool
3.  B 3 - Solid fuel boiler with storage tank
4.  B 4 - Heat transfer between storage tanks
5.  B 5 - Return line preheating
6.  B 6 - Thermostat
7.  B 7 - Universal 

Δ

T

8.  B 8 - Stop valve
9.  B 9 - Solar thermal system with heat 
              exchanger and swimming pool 

8

Stop valve

9

Solární systém 

s tepelným 

výměníkem

a bazénem

Heat transfer 
between storage tanks

Return line
preheating

Solar thermal 
system with heat 
exchanger and 
swimming pool

Caution

The following illustrations should be viewed only as schematic diagrams showing the respec-
tive hydraulic systems, and do not claim to be complete. The controller does not replace safe-
ty devices under any circumstances. Depending on the speci

fi

 c application, additional system 

components and safety components may be mandatory, such as check valves, non-return 
valves, safety temperature limiters, scalding protectors, etc., and must therefore be provided.

Summary of Contents for STDC E

Page 1: ...EN v 1 5 STDC E Controller Instruction Manual...

Page 2: ...boiler with storage tank 10 D 4 Heat transfer between storage tanks 10 D 5 Return line preheating 11 D 6 Thermostat 11 D 7 Universal T 12 D 8 Stop valve 12 D 9 Solar thermal system with heat exchange...

Page 3: ...of the entire solar system It is forbidden to tamper with the Controller with the exception of a written consent from the Manufacturer It is forbidden to install any additional components into the Co...

Page 4: ...erature sensors for immersion sleeves 2 screws 3 5 35 mm and 2 plugs 6 mm for wall installation 4 strain relief clips with 8 screws 1 terminal block for PE replacement fuse 2A slow blow Instruction Ma...

Page 5: ...urn line preheating 6 B 6 Thermostat 7 B 7 Universal T 8 B 8 Stop valve 9 B 9 Solar thermal system with heat exchanger and swimming pool 8 Stop valve 9 Sol rn syst m s tepeln m v m n kem a baz nem Hea...

Page 6: ...t of the housing up to the selected position and mark the 2 mounting holes Make sure that the wall surface is as even as possible so that the housing does not become distorted when it is screwed on 5...

Page 7: ...installed for switching off the controller Caution C 2 Electrical wiring Wiring instructions 1 Make sure the circuit breaker is in off position and power supply is off 2 Select a suitable hydraulic sc...

Page 8: ...controller operates with Pt1000 temperature sensors Max S1 sensor lead length is 30 m with its cross section at least 0 75 mm2 Max S2 and S3 sensor lead length is 10 m with its cross section at least...

Page 9: ...tor N R pump L N pump N R NC contact PE protective conductor green yellow D 2 Solar thermal system with swimming pool Sensor connection max 12V Terminal connection for S1 2 sensor 1 collector S2 2 sen...

Page 10: ...protective conductor green yellow D 4 Heat transfer between storage tanks Sensor connection max 12V Terminal connection for S1 2 sensor 1 storage tank S2 2 sensor 2 storage tank S3 2 sensor 3 free The...

Page 11: ...y valve on the return line relay R off valve closed flow direction AB B no backup heating relay R on valve open flow direction AB A flow through the storage tank D 6 Thermostat Sensor connection max 1...

Page 12: ...is higher than the temperature at sensor 2 relay R switches turning pump on D 8 Stop valve Sensor connection max 12V Terminal connection for S1 2 sensor 1 heating line S2 2 sensor 2 storage tank S3 2...

Page 13: ...ensor 1 solar collector S2 2 sensor 2 pool S3 2 sensor 3 pool water circuit The polarity of the sensors is freely selectable V1 0 10V or PWM Mains voltage 230V 50Hz Terminal connection for L mains pha...

Page 14: ...r the changes which have been made should be saved The function of each of the other three keys is shown in the display line directly above the keys the right hand key 4 generally has a confirmation a...

Page 15: ...ould be used to test the switch outputs with the consumers connected and to check the sensor values for plausibility Then switch on automatic mode Read the explanations for the individual parameters o...

Page 16: ...e values with explanations 2 Function control of the system with operating hours etc 3 Select graphics mode or overview mode 4 Automatic mode manual mode or switch unit off 5 Set parameters needed for...

Page 17: ...sc exits the Info mode If Error appears on the display instead of the measurement value then there may be a defective or improper temperature sensor If the cables are too long or the sensors are not p...

Page 18: ...are available day year F 2 2 Average temperature difference T Display of the average temperature difference between the reference sensors of the solar system with the consumer switched on F 2 3 Heat o...

Page 19: ...es and operating states of the connected consumers F 3 2 Overview In overview mode the measured temperatures and operating states of the connected consumers are shown in text form F 3 3 Alternating In...

Page 20: ...cted F 4 2 Manual The relay and thus the connected consumer are switched on and off by pressing a key with no regard to the current temperatures and the parameters which have been set The measured tem...

Page 21: ...e again then the pump and or the valve are switched off again Setting range 0 99 C for hydraulic variants Thermostat and Universal T this value may be set to Off Default setting 60 C for hydraulic var...

Page 22: ...in Setting range 0 99 C for hydraulic variants Thermostat and Universal T this value may be set to Off Default setting 60 C for hydraulic variant Solar system with pool the default setting is off Temp...

Page 23: ...drops further to the set value Frost stage 2 the controller switches the pump on continuously If the collector temperature then exceeds the value Frost stage 2 by 2 C the pump switches off again Frost...

Page 24: ...overheating It is also useful during holiday absence when no heat is used F 6 7 Anti Legionella With the AL function activated the STDC makes it possible to heat the storage tank up to a higher temper...

Page 25: ...V pumps on output R1 Use this setting for standard pump only PWM 0 10V outputs are switched off 0 10V Speed control for special pumps via low energy pump output V1 by means of a 0 10V Relay output R1...

Page 26: ...ng 10 0V Heating 0 0 to 5 0V Default setting 0 0V F 7 2 6 0 10V Max This determines the output signal for the highest speed of the pump that is used e g during purging or manu al operation Setting ran...

Page 27: ...p is switched off Mode V2 Speed control set to T starts from the min speed After the purging time at min speed the controller switches to the set min speed If the temperature differ ence T between the...

Page 28: ...min F 7 3 4 Max speed The maximum speed of the pump is specified here Setting range 70 to 100 Default setting 100 The indicated percentages are guide values that may vary to a greater or lesser extent...

Page 29: ...ns for the individual parameters in these instructions and check whether further settings are necessary for your application F 7 7 Factory settings All of the settings that have been made can be reset...

Page 30: ...the sensor is often not at the hottest location When the start help is activated the following sequence is carried out If the temperature at the collector sensor increases by the value specified unde...

Page 31: ...or selecting Exit menu lock The menus listed below remain completely accessible despite the menu lock being activated and can be used to make adjustments if necessary F 1 Measurements F 2 Statistics F...

Page 32: ...issioning The choice of languages may differ however depending on the device design Language selection is not available in every device design The latest version contains the following languages Germa...

Page 33: ...than 6 times in 5 minutes Restart Means that the controller was restarted for example due to a power failure Check the date and time G 2 Replacing the fuse Repairs and maintenance may only be perform...

Page 34: ...OPEAN DIRECTIVE 2002 96 ES European Directive 2002 96 EC requires that the equipment bearing this symbol on the product and or its packaging must not be disposed of with unsorted municipal waste The s...

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Page 36: ...01 2017 REGULUS spol s r o Do Kout 1897 3 http www regulus eu 143 00 Praha 4 E mail sales regulus cz...

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