Honeywell ASC02-01WM User Manual Download

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EN2B-0365GE51

R0710

Temperature differential controller

ASC02-01WM

2 inputs, 1 output

INSTALLATION AND OPERATING INSTRUCTIONS

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Summary of Contents for ASC02-01WM

Page 1: ...EN2B 0365GE51 R0710 Temperature differential controller ASC02 01WM 2 inputs 1 output INSTALLATION AND OPERATING INSTRUCTIONS ...

Page 2: ...2 EN2B 0365GE51 R0710 ...

Page 3: ...age 8 2 2 Improper usage 9 2 3 Dangers during assembly commissioning 9 2 4 Detecting faults 10 2 5 Exclusion of liability 10 3 Description 11 3 1 Controller in the solar circuit 11 3 1 1 The purpose of the controller 11 3 1 2 The structure of the solar circuit 11 3 1 3 The function of the solar circuit 11 3 2 Case overview 12 4 Installation 13 4 1 Opening closing the case 13 4 1 1 Opening the case...

Page 4: ... off temperature difference 22 7 2 Maximum storage tank temperature 22 7 3 Maximum collector temperature 23 7 4 Tube collector function F1 23 7 5 Anti freeze function F2 23 8 Operation 24 8 1 Reading the temperature values 24 8 2 Setting the controller settings menu 25 8 2 1 Using the settings menu 25 8 2 2 Overview of menu settings 25 8 2 3 Setting the storage tank maximum temperature P1 26 8 2 4...

Page 5: ...ion symbol and warning signal appear 30 9 1 4 The pump which is connected to the controller is not running although its switch on conditions have been fulfilled 30 9 1 5 SYS and the warning symbol fl ash in the controller display 31 9 2 Testing the temperature sensors 31 9 2 1 Safety 31 9 2 2 Testing the resistance values 31 9 2 2 1 Measuring resistance values 32 10 Dismantling and disposal 32 11 ...

Page 6: ......

Page 7: ...s provided by each manufacturer 1 2 Users Installation commissioning maintenance and dismantling of the controller may only be performed by trained professional personnel Before commissioning the controller must be professionally assembled and installed by professional personnel in accordance with the applicable regional and transregional regulations as well as the safety instructions and general ...

Page 8: ...Imminent threat of danger Death serious bodily injury WARNING Possible threat of danger Death serious bodily injury CAUTION Possible threat of danger Minor bodily injury CAUTION Possible threat of danger Property damage 1 3 3 Notes Note on easier and safer working habits Measures on easier and safer working habits 2 Safety 2 1 Proper usage The temperature differential controller below called contr...

Page 9: ...ables Damage to the controller and connected devices due to improper ambient conditions inappropriate power supply and connecting prohibited devices or faulty devices and incorrect assembly or installation Therefore all safety regulations apply when working on the mains supply Only electricians may perform work that requires opening the controller such as connection work When laying cables ensure ...

Page 10: ...emedy the fault 2 5 Exclusion of liability The manufacturer cannot monitor the compliance to this manual as well as the conditions and methods during the installation operation usage and maintenance of the controller Improper installation of the system may result in damage to property and as a result in bodily injury Therefore we assume no responsibility and liability for loss damage or costs whic...

Page 11: ...ar circuit The controller constantly compares the temperatures between the collector T1 and the lower area of the storage tank T2 via temperature sensors Once the sun heats the collector and there is a temperature difference of 8 K adjustable parameter between the collector and the storage tank the pump is switched on The pump extracts the heat transfer fluid from the lower cooler area of the stor...

Page 12: ...and system 2 Operating button Arrow up 3 Operating button SET button 4 Operating button Arrow down 5 Connections Grid pump temperature sensors 6 Operating switch The following modes of operation can be selected On for commissioning and testing for function Auto for automatic operation Off to switch off the pumps ...

Page 13: ...he case Make sure that the power supply cannot be unintentionally switched on Do not damage the case Only switch the power supply back on after the case has been closed The top of the case will be fixed with two clips and one screw on the lower case 4 1 1 Opening the case Loosen the screw and remove the upper case in an upwards direction Clips Operating buttons Screw Upper case Lower case ...

Page 14: ...operating buttons through the matching holes Fasten the case tightly with the screw 4 2 Mounting WARNING Risk of electric shock and fire if assembled in a damp environment Only assemble the controller in an area where the degree of protection is sufficient 4 2 1 Mounting the controller 105 1 137 2 3 2 116 134 CAUTION Risk of injury and damage to the case when drilling Do not use the case as a dril...

Page 15: ... Screw the case firmly using the lower fastening holes d and e Mount the upper case 4 3 Electrical connection WARNING Risk of death by electrocution Remove the controller from the power supply before opening the case Observe all guidelines and regulations of the local electricity supplier The device is to be connected to the grid by means of a plug with grounding contact or in the case of a fixed ...

Page 16: ...nter the device through the rear of the case or the lower side of the case 4 3 1 1 Feeding the cable through the rear of the case WARNING Risk of electrical shock and fire due to cables coming loose Install an external strain relief for the cables 7 Remove the plastic flaps i from the rear side of the case using an appropriate tool ...

Page 17: ...ough the lower side of the case WARNING Risk of electrical shock and fire due to cables coming loose Fasten the flexible cabling to the case using the strain relief clamps provided 6 Cut the left and right plastic flaps h using an appropriate tool and break them out of the case ...

Page 18: ...wist per 20 mm Only use the original temperature sensors Pt1000 that are approved for use with the controller Observe the following points The polarity of the sensor contacts is not important Do not lay sensor cables close to 230 volt or 400 volt cables minimum separation 100 mm If inductive effects are expected e g from heavy current cables overhead train cables transformer substations radio and ...

Page 19: ... optional 115 V 3 R1 N Pump 230 V optional 115 V 4 T1 Temperature sensor 1 collector 5 T2 Temperature sensor 2 lower area of storage tank 4 3 4 Operation of the connecting terminals For any handling of the connecting terminal only adequate tools must be used Any inadequate tool or mechanical over pressure will damage the terminal NOTE ...

Page 20: ...i frost function see chapter 7 5 3 Symbol max for maximum storage tank temperature and maximum collector temperature see chapter 7 2 and 7 3 4 Display for temperature sensor temperature readings and fault symbols see chapter 9 1 interruption or SYS system fault see chapter 9 1 5 Temperature format C F see chapter 8 2 8 ...

Page 21: ...in the display After approx 3 seconds on flashes in alternation with the display To switch off the pump set the operating switch to the lower position oFF oFF appears in the display After approx 3 seconds oFF flashes in alternation with the display CAUTION The incorrect operating mode may cause the system to shut down or impair proper functioning After testing the pump always set the operating swi...

Page 22: ...display appears The pump symbol is displayed If the temperature difference falls below 4 K adjustable in setup P3 K the pump is switched off The pump symbol is no longer shown in the display 7 2 Maximum storage tank temperature The maximum storage temperature function is to prevent the hot water tank from overheating If the lower area of the storage tank T2 reaches the set maximum storage tank tem...

Page 23: ...st be briefly activated at regular intervals to transmit the actual heat from the collector pipe to the sensor T1 If the tube collector function is activated the controller automatically switches the pump on every 30 minutes for 30 seconds 7 5 Anti freeze function F2 If the anti freeze function is activated the controller switches the pump on as soon as the collector temperature T1 falls below 5 C...

Page 24: ...to automatic operation On the display you can see the temperature readings of the individual temperature sensors The controller settings may be set in the settings menu 8 1 Reading the temperature values Select the temperature sensor using the U und V buttons 1 T1 2 T2 The selected temperature sensor and the current measured temperature appear in the display Legend 1 Temperature sensor T1 display ...

Page 25: ...itch to the next setting press the V button To exit the settings menu press V button again until the temperature sensor and temperature reading are shown again 8 2 2 Overview of menu settings C SET C C Reset Temperature reading T1 or T2 hold down for 2 seconds P1 storage tank maximum temperature P2 switch on temperature difference P3 switch off temperature difference F1 tube collectorfunction F2 a...

Page 26: ...value press SET button 8 2 4 Setting the switch on temperature difference P2 The P2 menu is open Press the SET button for approx 2 seconds until the switch on temperature difference flashes Change the switch on temperature difference using the V or U buttons To save the value press the SET button 8 2 5 Setting the switch off temperature difference P3 The P3 menu is open Press the SET button for ap...

Page 27: ... and on using the V or U buttons To save the setting press the SET button 8 2 7 Activating the anti freeze function F2 CAUTION System can freeze despite the activated anti freeze function During a power outage the anti freeze function does not operate During long term periods of frost due to restricted water tank heat storage If collectors are mounted in locations exposed to wind If frost is expec...

Page 28: ...ess the SET button for approx 2 seconds until either C or F flashes Toggle between C and F using the V or U buttons To save the setting press the SET button 8 2 9 Reset The reset function causes the controller to revert to its factory settings these are as follows P1 P2 P3 F1 F2 F3 60 8 4 oFF oFF C The RESET menu is open Press the SET button for approx 5 seconds until RESET flashes The controller ...

Page 29: ...s are present 9 1 Fault causes WARNING Risk of death by electrocution Remove the controller from the power supply before opening the case 9 1 1 Controller does not appear to function at all Secondary symptoms Possible cause remedy The controller display is blank No power supply is present f Have professional personnel check the fuse and the supply cable 9 1 2 Short circuit symbol and warning displ...

Page 30: ...ected to the controller is not running although its switch on conditions have been fulfilled Symbol Secondary symptoms Possible cause remedy C Pump symbol display example The pump symbol is shown in the display The pump connecting cable is not connected inter rupted or the fuse in the controller is burned out f If necessary have profes sional personnel replace the fuse C T1 temperature sensor with...

Page 31: ...on pump cannot eliminate air bubbles inside the piping system the heat transfer medium circuit comes to a standstill f Have professional personnel check the solar energy system to prevent damage f Once the fault has been remedied press any button to acknowledge the fault message 9 2 Testing the temperature sensors 9 2 1 Safety Only professional personnel may test the temperature sensors 9 2 2 Test...

Page 32: ...rature C 30 20 10 0 10 20 Resistance Ω 882 922 961 1000 1039 1078 Temperature C 30 40 50 60 70 80 Resistance Ω 1117 1155 1194 1232 1271 1309 Temperature C 90 100 110 120 130 140 Resistance Ω 1347 1385 1423 1461 1498 1536 Temperature C 150 160 170 180 Resistance Ω 1573 1611 1648 1685 10 Dismantling and disposal DANGER Risk of death by electrocution Remove the controller from the power supply before...

Page 33: ...ce max 800 W 230 V Switch on temperature difference 4 20 K factory setting 8 K Switch off temperature difference 2 18 K factory setting 4 K Display LCD display 48 segments Protection class IP 20 DIN 40050 Ambient temperature 0 bis 45 C Installation wall mounted Weight 250 g Case recyclable 3 piece plastic case Dimensions L x W x H mm 137 x 134 x 38 Temperature sensors Pt1000 measuring range up to ...

Page 34: ...olle Z A La Pièce 16 Switzerland by its Authorized Representative Automation and Control Solutions Honeywell GmbH Böblinger Straße 17 71101 Schönaich Germany Phone 49 7031 637 01 Fax 49 7031 637 493 http ecc emea honeywell com Printed in Germany All rights reserved Subject to change without notice EN2B 0365GE51 R0710 ...

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