Honeywell ASC02-01WM Installation And Operating Instructions Manual
Honeywell ASC02-01WM Installation And Operating Instructions Manual

Honeywell ASC02-01WM Installation And Operating Instructions Manual

Temperature differential controller 2 inputs, 1 output
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Temperature differential controller
ASC02-01WM
2 inputs, 1 output
INSTALLATION AND OPERATING INSTRUCTIONS
EN2B-0365GE51 R0710

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Summary of Contents for Honeywell ASC02-01WM

  • Page 1 Temperature differential controller ASC02-01WM 2 inputs, 1 output INSTALLATION AND OPERATING INSTRUCTIONS EN2B-0365GE51 R0710...
  • Page 2 EN2B-0365GE51 R0710...
  • Page 3: Table Of Contents

    ASC02-01WM Table of Contents Table of Contents About this manual......................7 Applicability ......................7 Users........................7 Description of symbols ..................8 1.3.1 The structure of the warning notices............8 1.3.2 Danger levels in warning notices ............8 1.3.3 Notes ......................8 Safety ..........................8 Proper usage.......................8 Improper usage ....................9 Dangers during assembly / commissioning ............9...
  • Page 4 Table of Contents ASC02-01WM Electrical connection ..................15 4.3.1 Preparing the cable feed...............16 4.3.1.1 Feeding the cable through the rear of the case.......16 4.3.1.2 Feeding the cable through the lower side of the case .....17 4.3.2 Connecting the cables ................18 4.3.3 Terminal plan..................19...
  • Page 5 ASC02-01WM Table of Contents Maintenance .........................29 Fault causes......................29 9.1.1 Controller does not appear to function at all .........29 9.1.2 Short-circuit symbol and warning display appear .........29 9.1.3 Interruption 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...
  • Page 7: About This Manual

    ASC02-01WM About this manual 1 About this manual These operating instructions are part of the product. ► Read these operating instructions carefully before use, ► Keep them over the entire lifetime of the product, ► and pass them on to any future owner or user of this product.
  • Page 8: Description Of Symbols

    Safety ASC02-01WM Description of symbols 1.3.1 The structure of the warning notices SIGNALWORD Type, source and consequences of the danger! ► Measures for avoiding danger. 1.3.2 Danger levels in warning notices Danger level Likelihood of Consequences occurrence resulting from non-compliance...
  • Page 9: Improper Usage

    ASC02-01WM Safety Improper usage The controller must not be operated in the following environments: • outdoors • in damp rooms • in rooms where highly flammable gas mixtures can occur • in rooms in which the operation of electrical and electronic...
  • Page 10: Detecting Faults

    Safety ASC02-01WM ► Make sure that all devices which are connected to the controller conform to the technical specifications of the controller. ► Secure the device against unintentional commissioning. ► All work on an open controller must be performed with the mains supply disconnected.
  • Page 11: Description

    ASC02-01WM Description 3 Description Controller in the solar circuit 3.1.1 The purpose of the controller The controller controls the pump in a solar thermal system. 3.1.2 The structure of the solar circuit Temperature sensor 1 Temperature differential controller (collector sensor)
  • Page 12: Case Overview

    Description ASC02-01WM Case overview 1 Display for controller operation 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...
  • Page 13: Installation

    ASC02-01WM Installation 4 Installation Opening / closing the case DANGER Risk of death by electrocution! ► Remove the controller from the power supply before opening the case. ► Make sure that the power supply cannot be unintentionally switched on. ► Do not damage the case.
  • Page 14: Closing The Case

    Installation ASC02-01WM 4.1.2 Closing the case ► Place the upper case over the lower case at an angle. Insert the clips in the pocket of the lower case. ► Pivot the upper case down and feed the operating buttons through the matching holes.
  • Page 15: Electrical Connection

    ASC02-01WM Installation ► Choose a suitable installation site. ► Drill the upper fastening hole. ► Screw in the screw. ► Remove the upper case. ► Hang the case in the recess ► Mark the position of the lower fastening holes ►...
  • Page 16: Preparing The Cable Feed

    Installation ASC02-01WM 4.3.1 Preparing the cable feed Depending on the type of installation, the cables may enter 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...
  • Page 17: Feeding The Cable Through The Lower Side Of The Case

    ASC02-01WM Installation 4.3.1.2 Feeding the cable through 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. ► Cut the left and right plastic flaps using an appropriate tool and break them out of the case.
  • Page 18: Connecting The Cables

    Installation ASC02-01WM 4.3.2 Connecting the cables ► If a protective conductor is provided or required for the pump, connect the protective conductor to the terminal clamps of the controller. When connecting the protective conductor, observe then following points: Make sure that the grounding contact is also connected to –...
  • Page 19: Terminal Plan

    ASC02-01WM Installation 4.3.3 Terminal plan Protective conductor L1, N Grid 230 V~ (optional 115 V~) R1, N Pump 230 V~ (optional 115 V~) Temperature sensor 1 (collector) Temperature sensor 2 (lower area of storage tank) 4.3.4 Operation of the connecting terminals...
  • Page 20: Display Overview

    Display overview ASC02-01WM 5 Display overview ❄ 1 Symbol for pump operation 2 Symbol for anti-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,...
  • Page 21: Commissioning

    ASC02-01WM Commissioning 6 Commissioning Testing the pump CAUTION Damage to pump caused by dry operation! ► Make sure that the solar circuit is filled with heat transfer fluid. CONDITION FOR • The controller case is closed. ACTION • All connections are properly made.
  • Page 22: Description Of The Controller Functions

    Description of the controller functions ASC02-01WM 7 Description of the controller functions Switch-on / switch-off temperature difference The controller constantly compares the temperatures between the collector (T1) and the lower area of the storage tank (T2). As soon as the temperature in the collector (T1) is 8 K (adjustable in setup –>...
  • Page 23: Maximum Collector Temperature

    ASC02-01WM Description of the controller functions Maximum collector temperature During periods of high solar irradiance, the temperature (T1) of the heat transfer fluid can exceed 130 °C. The heat transfer fluid evaporates. In this case, the pump is blocked for protection purposes until the temperature drops below 127 °C.
  • Page 24: Operation

    Operation ASC02-01WM Standard antifreeze liquid for solar energy systems also contain an additional corrosion inhibitor. ❄ The following display appears: • The anti-freeze symbol is displayed 8 Operation CAUTION The incorrect operating mode may cause the system to shut down or impair proper functioning! ►...
  • Page 25: Setting The Controller (Settings Menu)

    ASC02-01WM Operation Setting the controller (settings menu) 8.2.1 Using the settings menu ► To open the settings menu, press the SET button for approx. 2 seconds. Setting P1 "storage tank maximum temperature" is – displayed. ► To switch to the next setting, press the button.
  • Page 26: Setting The Storage Tank Maximum Temperature (P1)

    Operation ASC02-01WM 8.2.3 Setting the storage tank maximum temperature (P1) DANGER Risk of scalding due to storage tank temperature of over 60 °C! ► Install a thermostatic mixer in the hot water pipe and set to a maximum 60 °C.
  • Page 27: Activating The Tube Collector Function (F1)

    ASC02-01WM Operation 8.2.6 Activating the tube collector function (F1) NOTE Incorrectly setting the controller can compromise the efficiency of the solar energy system. Therefore, only activate the tube collector function if the construction of the collector does not allow its temperature to be recorded immediately and / or accurately (in some cases there are no immersion sensors;...
  • Page 28: Selecting The Temperature Format (F3)

    Operation ASC02-01WM CONDITION FOR • The F2 menu is open ACTION ► Press the SET button for approx. 2 seconds until either "oFF" or "on" flashes. ► Toggle between "oFF" and "on" using the buttons. ► To save the setting, press the SET button.
  • Page 29: Maintenance

    ASC02-01WM Maintenance 9 Maintenance The controller was conceived for years of continuous trouble-free operation. Nevertheless, faults may occur. Maintenance may only be performed by professional personnel. In most cases, however, the fault does not lie with the controller, but rather with the peripheral components. The following description covers the most common problems encountered with the controller.
  • Page 30: Interruption Symbol And Warning Signal Appear

    Maintenance ASC02-01WM 9.1.3 Interruption symbol and warning signal appear Symbol Possible cause Remedy Temperature sensor T1 or T2 Have professional personnel or its supply cable is check the supply cables of interrupted the temperature sensors and that they are correctly connected to the controller.
  • Page 31: Sys" And The Warning Symbol Fl Ash In The Controller Display

    ASC02-01WM Maintenance 9.1.5 "SYS" and the warning symbol fl ash in the controller display Symbol Mögliche Ursache Abhilfe SYS means there is a system error. Have professional This means that despite the pump personnel check the running, a temperature difference...
  • Page 32: Measuring Resistance Values

    Dismantling and disposal ASC02-01WM 9.2.2.1 Measuring resistance values ► Disconnect the corresponding temperature sensor from the controller. ► Measure the resistance value. The typical resistance values, depending on the temperature, are listed in the following table. Please note that small deviations are permissible.
  • Page 33: Technical Data

    ASC02-01WM Technical data 11 Technical data Temperature differential controller Operating voltage 230 V~ (± 15 %), 50 Hz [optional 115 V (± 15 %), 60 Hz] Power consumption ≤ 1 W Inputs temperature (Pt1000) Outputs 1 x relay output switching performance max.
  • Page 34 Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Rolle, 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 (49) 7031 637 493 http://ecc.emea.honeywell.com...

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