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Installation instructions

Resistance table for Pt-1000 temperature sensors

Temp.

[°C]

Electrical

resistance

[Ω]

Temp.

[°C]

Electrical

resistance

[Ω]

Temp.

[°C]

Electrical

resistance

[Ω]

Temp.

[°C]

Electrical

resistance

[Ω]

-20

922

1136

1347

145

1555

-15

941

1155

1366

150

1573

-10

961

1175

100

1385

155

1592

-5

980

1194

105

1404

160

1611

1000

1213

110

1423

165

1629

1020

1232

115

1442

170

1648

1039

1252

120

1461

175

1666

1058

1271

125

1480

180

1685

1078

1290

130

1498

185

1703

1097

1309

135

1515

190

1722

1117

1328

140

1536

195

1740

Sensor T1 is not connected or is faulty.

- Heating: The controller switches on the circulation pump. In scheme 1, the mixing

valve opens and in schemes 2 and 3 it closes.

- Cooling: The controller switches off the circulation pump.

Sensor T2 is not connected or is faulty.

- Heating: The controller switches on the circulation pump. The mixing valve control

works.

- Cooling: The controller switches off the circulation pump.

OPERATION MODES WITH

SENSOR FAILURE

Содержание ACD20

Страница 1: ...ACD20 Constant temperature controller EN EN...

Страница 2: ......

Страница 3: ...grated actuator for the mixing valve and circulation pump control They are produced in digital and SMT technology They are designed to control constant temperature in various heating and cooling appli...

Страница 4: ...4 EN...

Страница 5: ...and description 15 Requested temperatures 16 Operation mode 18 Information 20 Display 23 Statistics 26 User P parameters 28 Service S parameters 31 Factory settings 38 Clutch and manual valve displace...

Страница 6: ...utton Menu entry confirmation of selection 5 USB port for software updates and connection to a personal computer 6 Graphic display 7 Button Help 8 Manual operation clutch 9 Manual movement button 10 P...

Страница 7: ...ipped with an innovative Easy start function which allows the initial setting of the controller in just a few steps Upon the first connection of the controller to the power supply network the first st...

Страница 8: ...operating mode by pressing If you ve mistakenly selected the wrong operating mode you can return to the operating selection with the button STEP 3 HYDRAULIC SCHEME SETUP You can select the hydraulic...

Страница 9: ...quested temperature setting by pressing For schemes with stand pipe control the supply temperature symbol is displayed STEP 5 SETTING THE LOWER LIMIT FOR THE REQUESTED HEATING TEMPERATURE With the but...

Страница 10: ...u can return to the upper limit setting by pressing STEP 10 SETTING THE REQUESTED COOLING TEMPERATURE With the buttons and you can set up the requested temperature in heating mode Confirm the setup by...

Страница 11: ...gate between the basic screens Status bar STATUS BAR Operating mode notifications and alerts appear in the top third of the screen Symbol Description Room heating Room cooling Manual operation mode Sw...

Страница 12: ...ol will turn on to note the recent event The list of alerts can be viewed in the Information menu Error In the event of a sensor or communication connection failure the controller informs you of the e...

Страница 13: ...CHEME Hydraulic scheme with screen showing the measured temperatures The screen shows the selected hydraulic scheme with the display of measured temperatures TIME AND DATE MON Time and date The screen...

Страница 14: ...nter the menu Navigate through the menu with the and buttons and use the button to confirm your selection Press the button to return to the previous screen Requested temperatures HELP By pressing the...

Страница 15: ...nstructions for use EN MENU STRUCTURE AND DESCRIPTION Requested temperatures Operation mode Information Display Statistics P parameters S parameters Factory settings The menu consists of eight main gr...

Страница 16: ...gh the menu with the and buttons and use the button to confirm your selection A new screen with temperatures will open REQUESTED RETURN PIPE TEMPERATURE Use the buttons and to select the requested tem...

Страница 17: ...e for the selected scheme REQUESTED STAND PIPE TEMPERATURE Use the buttons and to select the requested temperature and confirm it with the button Exit the setting by pressing Default value Setting ran...

Страница 18: ...peration and confirm it by pressing Exit the setting by pressing In the menu turn the operation on or off Navigate through the menu with the and buttons and use the button to confirm your selection In...

Страница 19: ...cooling operation mode Heating cooling selection MANUAL OPERATION MODE Control output status Manual operation mode symbol Measured temperature This operation mode is used when testing the heating syst...

Страница 20: ...s used to display information about the controller notifications and errors Errors About controller Messages Delete Information ACD20 Ver 1 0r0 Sn 12345678 Type of controller Serial number Exit the sc...

Страница 21: ...the time and date of the individual message ERRORS Error list Error symbol A list of errors is displayed on the screen with the time and date of the individual errors Navigate through the notificatio...

Страница 22: ...ntered the controller executes the delete command Cancel the deletion with the button Code entry field Unlocking symbol The factory set code is 0001 The list of messages and errors is deleted The list...

Страница 23: ...tons and use the button to confirm your selection Illumination Language Time and date Menu exit Display DISPLAY LANGUAGE SELECTION Language list Language symbol A list of available languages appears o...

Страница 24: ...the value and with the button you can move on to the next data Exit display with the button ADJUSTING THE SCREEN BRIGHTNESS Brightness symbol You can adjust the screen brightness Use the and buttons t...

Страница 25: ...l You can set the time to automatically exit the menu With the and buttons you can set the automatic exit time and confirm it with the button Exit the setting with the button Graphic display of the se...

Страница 26: ...to confirm your selection Change log Graph Operation counter Statistics TEMPERATURE GRAPH Date A 24 hour temperature graph for all two temperature sensors is displayed on the screen With the buttons...

Страница 27: ...conds you can reset the counter to 0 Exit the setting by pressing Operation counter symbol Number of operation hours Counter reset CHANGE LOG A list of changed P and S parameters of the controller is...

Страница 28: ...select the requested parameter group a display will open describing the first parameter in the group Energy source General Mixing circuit P parameters Temperature round up P1 1 Parameter mark Paramete...

Страница 29: ...to select the requested setting and confirm it with the button Exit the setting with the button Slider format setting Use the buttons and to set the requested value and confirm it with the button Exit...

Страница 30: ...es 0 1 C 0 2 C 0 5 C 1 0 C 0 5 C P1 2 Automatic shift of clock to summer winter time With the help of a calendar the controller carries out the automatic changeover between summer and winter time No Y...

Страница 31: ...en you use the button to select the requested parameter group a display will open describing the first parameter in the group Energy source Mixing circuit General S parameters Hydraulic scheme S1 1 Pa...

Страница 32: ...Unlocking symbol The factory set code is 0001 When the parameter is unlocked you can use the buttons and to set the requested value and press to confirm Exit the setting by pressing With the and butto...

Страница 33: ...ic time frame in a week or day it automatically turns on for 60 seconds No Yes weekly Yes daily No S1 6 Setting mode cooling mode This setting can prevent the possibility of switching between heating...

Страница 34: ...0 C Scheme 2 40 C Scheme 3 40 C S2 3 Lower limit setting of the requested temperature in cooling mode The lower limit of the possible setting of the requested temperature is set if operation mode cool...

Страница 35: ...Within the set time the controller detects a 2 C increase in the boiler temperature If a boiler increase is detected the control ler starts the circulation pump 30 900 seconds 300 s S2 14 Boiler circu...

Страница 36: ...20 Initial valve movement from closed position seconds Setting of initial valve movement duration when moving from closed position With this setting the valve is moved to its control range and immedi...

Страница 37: ...sensor T2 is only taken into account in schemes with supply control 10 90 C 90 C S3 4 Protection of the cooling system sensor T2 The protection mode according to the sensor T2 is set None The control...

Страница 38: ...o select the request command a display will open for unlocking or confirming the command Exit the setting with the button Load settings Save settings Factory settings Factory settings Symbol Descripti...

Страница 39: ...ACEMENT Pressing the clutch I activates the manual valve displacement You can now move the mixing valve by turning the button II To return to automatic operation press the clutch I again When the clut...

Страница 40: ...uctions EN In a dry and warm interior the controller can be mounted directly on the mixing valve with the help of the accessories provided Avoid close proximity to any strong electromagnetic fields CO...

Страница 41: ...41 Installation instructions EN CONTROLLER INSTALLATION Scheme Mixing valve position Ring position...

Страница 42: ...ce The connection of controlling devices should be performed by an expert with an appropriate qualification or by an authorised organisation Before touching any wiring make sure that the main switch i...

Страница 43: ...5 1252 120 1461 175 1666 15 1058 70 1271 125 1480 180 1685 20 1078 75 1290 130 1498 185 1703 25 1097 80 1309 135 1515 190 1722 30 1117 85 1328 140 1536 195 1740 Sensor T1 is not connected or is faulty...

Страница 44: ...ion options are set with parameter S1 7 When a short circuit is detected at COM input the following is activated switch from off to on of the heating if the parameter is set to S1 7 Operation on switc...

Страница 45: ...ording to EN 60730 1 Permissible ambient temperature 5 C to 40 C Permissible relative humidity max 85 rH at 25 C Storage temperature 20 C to 65 C Accuracy of built in clock 5 min year Program class A...

Страница 46: ...S CAUTION Installation diagrams show the principle of operation and do not contain all the auxiliary and safety elements The applicable regulations must be observed during installation SCHEME 1 RETURN...

Страница 47: ...47 Instructions for use EN SCHEME 2 SUPPLY HEATING SCHEME 2 SUPPLY COOLING HYDRAULIC SCHEMES...

Страница 48: ...48 Instructions for use EN SCHEME 3 SUPPLY CONTROL BY LIMITING THE RETURN PIPE TEMPERATURE HEATING SCHEME 3 SUPPLY CONTROL BY LIMITING THE RETURN PIPE TEMPERATURE COOLING HYDRAULIC SCHEMES...

Страница 49: ...49 EN NOTES...

Страница 50: ...50 Instructions for use EN NOTES...

Страница 51: ......

Страница 52: ...1 0 Seltron d o o Tr a ka cesta 85 A SL 2000 Maribor Slovenia T 386 0 2 671 96 00 F 386 0 2 671 96 66 info seltron si www seltron eu 2020 We reserve the right to errors changes and improvements withou...

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