S-Klima CompTrol Technical Manual
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S-Klima CompTrol Technical Manual

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Technical Manual
CompTrol Interfa ce
Version V4.0.x and higher
Translation of the original manual
Read carefully before use!
Keep for later reference!
Issue 21-05-2021 – 1000932 English
Version 31-03-2023
Support app from S-Klima – easy troubleshooting via smartphone
• Extensive error code analysis – even offline
• Refrigerant calculator for start-up and refilling
• QR code scanner for reading out unit data
• Request a call back from Customer Support
The app can be downloaded free from the Apple App Store, Google Play or Microsoft Store.

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Summary of Contents for S-Klima CompTrol

  • Page 1 Keep for later reference! Issue 21-05-2021 – 1000932 English Version 31-03-2023 Support app from S-Klima – easy troubleshooting via smartphone • Extensive error code analysis – even offline • Refrigerant calculator for start-up and refilling • QR code scanner for reading out unit data •...
  • Page 2 Current updates to the technical documentation You can find the latest documents and brochures at: http://www.s-klima.de/downloads. Figure 1: QR code for S-Klima website Support app from S-Klima – easy troubleshooting via smartphone • Extensive error code analysis – even offline •...

  • Page 3: Table Of Contents

    4.2 CompTrol Interface electrical supply ..............18 4.2.1 Pin headers S5 and S6 ..................18 4.2.2 Electrical supply via X/Y remote control bus (terminal X1) for a CompTrol Interface expansion module that is not in combination with a CompTrol Master expansion module ................. 18 4.2.3 Electrical supply via terminal X5 for a CompTrol Interface expansion module in combination with a CompTrol Master expansion module ....
  • Page 4 Status signals ....................29 Program overview....................30 Program 0 – temperature setpoint definition via analog signal ......31 7.1 Description ......................31 7.2 Configuring the CompTrol Interface for program 0 ..........31 7.2.1 Connection diagram for program 0 ..............31 7.2.2 Setting program 0 on DIP switch S1 ..............33 7.2.3...
  • Page 5 Program 2 – temperature setpoint definition with window contact function ................36 8.1 Description ......................36 8.2 Configuring the CompTrol Interface for program 2 ..........36 8.2.1 Connection diagram for program 2 ..............36 8.2.2 Setting program 2 via DIP switch S1 ..............38 8.2.3 Setting functions for program 2 via DIP switch S2 ..........
  • Page 6 11 Program 5 – temperature setpoint definition with lockout function ....53 11.1 Description ......................53 11.2 Configuring the CompTrol Interface for program 5 ..........53 11.2.1 Connection diagram for program 5 ..............53 11.2.2 Setting program 5 via DIP switch S1 ..............55 11.2.3 Setting functions for program 5 via DIP switch S2 ..........55 11.2.4...
  • Page 7 14.3 Setting the outdoor unit model via DIP switch S1 ..........70 14.3.1 For FDC outdoor units: Set DIP switch S1 on the CompTrol Interface ..... 70 14.3.2 For SRC outdoor units: Set DIP switch S1 on the CompTrol Interface ..... 71 14.4 Analog input .......................
  • Page 8 17.1 General installation conditions ................95 17.2 Service and installation clearance ..............96 17.3 Cable requirements ................... 96 17.4 Installing and connecting the CompTrol Interface expansion module ....98 17.5 Starting up the CompTrol Interface expansion module ........100 17.5.1 Initialization .....................

  • Page 9: About This Document

    Please call your specialist partner if you have any queries. 1.1 Scope This Technical Manual is intended for the CompTrol Interface expansion module version V4.0.x and higher. The version number is composed of the following: 4.0.x - hardware version / 4.0.x - software version / 4.0.x - revision number.

  • Page 10: Formatting

    Stulz heat exchanger connection module FDSX Heat exchanger connection module FDSX Stulz heat exchanger connection module FDXL Heat exchanger connection module FDXL Stulz heat exchanger connection module FDSXL Heat exchanger connection module FDSXL Table 4: Nomenclature CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 11: Liability Claims For Defects

    1.7 Liability claims for defects Following the installation and operating instructions in this Technical Manual is a prerequisite for trouble-free operation of the CompTrol Interface and for making potential liability claims for de- fects. Read the Technical Manual before working with the product.

  • Page 12: Safety

    Specifies the frequency setpoint for the compressor in the outdoor unit via an analog signal. ● The CompTrol Interface is mounted on a DIN rail in a switch gear cabinet with the aid of a DIN rail bracket. The CompTrol Interface is intended solely for indoor use, and may only be used with compatible products.

  • Page 13: Required Personnel Qualifications

    (also see the documentation of the respective com- ponents). IMPORTANT Damage to the CompTrol Interface by reversing the polarity of terminals X5-(+) and X5-(-). Ensure the correct polarity for terminals X5-(+) and X5-(-). ● 2.3 Required personnel qualifications All electrical work must be performed exclusively by authorized specialist electricians.

  • Page 14: Transport And Storage

    2.7 Installation When installing the unit, always pay attention to the notes on installation (see “17 Installing the CompTrol Interface expansion module” on page 95) and the power source specifications (see “21 Technical data” on page 107). The electrical installation and wiring must comply with the applicable local regulations, the specifications of the VDE (German Association for Electrical, Electronic &...

  • Page 15: Product Package

    CompTrol Interface quick-start reference guide ● 6 x jumpers ● The CompTrol Interface Technical Manual and Start-up Report are available to download from the S-Klima website: http://www.s-klima.de/downloads. Figure 3: QR code for S-Klima website CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 16: Product Description

    Mitsubishi Heavy Industries. It connects the X/Y remote control bus to the control unit of the building services management system (BMS). The CompTrol Interface is integrated in the X/Y remote control bus as an additional user. It acts as an additional wired remote control. The CompTrol Interface can control up to 16 indoor units.
  • Page 17 Pin header for setting the analog signal type (analog input X3) (see “Table 6: Analog signal type” on page 19) Bus connection for connecting to a CompTrol Master; necessary in combination with CompTrol Master Bus connection for connecting to a CompTrol Master;...

  • Page 18: Comptrol Interface Electrical Supply

    Product description 4.2 CompTrol Interface electrical supply The CompTrol Interface has two types of electrical supply. It can be supplied with power by either the X/Y remote control bus X1 (terminals X1-X, X1-Y) or an external power supply unit (terminals X5-(+) and X5-(-)).

  • Page 19: Pin Headers S8 And S9

    The position of the jumpers on pin headers S8 and S9 determines whether the CompTrol Inter- face is in the middle or at the end of the CompTrol Interface bus. The pin headers only need to be set if the CompTrol Interface is connected to a CompTrol Master (see CompTrol Master TM).

  • Page 20: X/Y Remote Control Bus X1

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.

  • Page 21: Dip Switch S2

    Table 7: Program selection via DIP switches When starting up, the number of the selected program will appear on the 7-segment display for approximately 1 second, see “17.5 Starting up the CompTrol Interface expansion module” on page 100. 4.6 DIP switch S2 DIP switches S2-1 to S2-6 configure program-specific functions.

  • Page 22: Comptrol Interface Connection Diagram

    LEDs for indicating the status of digital Control unit of building services manage- inputs ment system (BMS) Analog input X/Y remote control bus 1st indoor unit 2nd indoor unit Wired remote control RC-EX1 or RC-EX3 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 23: Functions Of The Comptrol Interface Expansion Module

    CompTrol Interface. The CompTrol Interface is set to the correct outdoor unit model via DIP switches S1-5 to S1-8. More information on setting the outdoor unit model via DIP switches S1-5 to S1-8 can be found in the description of programs 8, 9, and 10.

  • Page 24: Resistive Circuit

    Figure 6: Resistive circuit at analog input X3-S No. Name No. Name Indoor unit X/Y remote control bus Wired remote control RC-EX1 or RC-EX3 Volt-free digital outputs Digital inputs CompTrol Interface expansion module Resistor R1 Resistor R2 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 25: Functions Via The Digital Inputs

    X2b-D4, the analog input is not evaluated. In this case, the corresponding setpoint can be specified via the wired remote control. Analog input evaluation is possible in the following programs: – Program 0 and programs 2 to 9. CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 26: Remote On/Off

    5.2.4 Center/Center-Remote When a signal is applied to digital input X2b-D3, Center mode is activated. When Center mode is active, the indoor unit can only be operated via the CompTrol Interface. It cannot be operated via the wired remote control.

  • Page 27: Forced Mode

    0-10 V DC ≤ 0.2 / > 9.8 V DC 23 °C 0-5 V DC ≤ 0.1 / > 4.9 V DC 23 °C Table 11: Signal boundary values for signal boundary value monitoring CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 28: Status Of The Comptrol Interface (Master/Slave) In The X/Y Remote Control Bus

    5.3.5 Status of the CompTrol Interface (master/slave) in the X/Y remote control bus DIP switch S2-1 determines the status of the CompTrol Interface in the X/Y remote control bus. If the CompTrol Interface is to be used as a remote control, it must be configured as a slave. Master The CompTrol Interface is the master and controls the indoor unit in the X/Y remote control bus.

  • Page 29: Status Signals

    – Temperature limit alarm The temperature limit alarm is displayed as long as the limit value is exceeded (program 3 only). – Window contact signal The window contact signal indicates whether connected windows are open. CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 30: Program Overview

    Program overview Program overview The CompTrol Interface offers nine different programs for adapting the expansion module to indi- vidual requirements. The programs are activated via DIP switches S1-1 to S1-4. You can find the precise DIP switch configurations in the section dealing with each program or as a summary in “Table 7: Program selection via DIP switches”...

  • Page 31: Program 0 - Temperature Setpoint Definition Via Analog Signal

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 32 Pin header S6 for setting the electrical Pin header S5 for setting the electrical supply supply (see “Table 5: Type of electrical supply” on (see “Table 5: Type of electrical supply” on page 18) page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 33: Setting Program 0 On Dip Switch S1

    7.2.3 Setting the functions for program 0 via DIP switch S2 The following table lists the functions for program 0 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 34: Table 15: Value Table For Program 0 Temperature Setpoint

    14.8 15.8 27.5 15.6 16.5 16.4 17.1 28.5 17.2 17.8 18.4 29.5 18.8 19.6 19.7 > 9.8 > 4.9 > 19.6 > 19.7 Table 15: Value table for program 0 temperature setpoint CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 35: Digital Input Assignment In Program 0

    Defrost signal/heat- Either a defrost signal or heating signal is displayed, depending on X4c-III ing signal DIP switch S2-2 (see “5.3.7 Status signals” on page 29). Table 17: Digital outputs in program 0 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 36: Program 2 - Temperature Setpoint Definition With Window Contact Function

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 37 (see “Table 6: Analog signal type” on (see “Table 5: Type of electrical supply” on page 19) page 18) Pin header S5 for setting the electrical supply (see “Table 5: Type of electrical supply” on page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 38: Setting Program 2 Via Dip Switch S1

    8.2.3 Setting functions for program 2 via DIP switch S2 The following table lists the functions for program 2 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 39: Table 20: Value Table For Program 2 Temperature Setpoint

    14.8 15.8 27.5 15.6 16.5 16.4 17.1 28.5 17.2 17.8 18.4 29.5 18.8 19.6 19.7 > 9.8 > 4.9 > 19.6 > 19.7 Table 20: Value table for program 2 temperature setpoint CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 40: Window Contact Function Auto On

    F3. The fan speed can then (high) X2c-D6 no longer be changed using the wired remote control. Table 21: Digital inputs in program 2 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 41: Digital Output Assignment In Program 2

    DIP switch S2-2 (see “5.3.7 Status signals” on page 29). Window contact The window contact signal is emitted as long as the window remains X4c-III signal open. Table 22: Digital outputs in program 2 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 42: Program 3 - Temperature Setpoint Definition For Equipment Rooms With Temperature Limit Alarm

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 43 (see “Table 6: Analog signal type” on (see “Table 5: Type of electrical supply” on page 19) page 18) Pin header S5 for setting the electrical supply (see “Table 5: Type of electrical supply” on page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 44: Setting Program 3 Via Dip Switch S1

    9.2.3 Setting functions for program 3 via DIP switch S2 The following table lists the functions for program 3 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 45: Setting The Temperature Limit Value Via Dip Switch S2

    9.4 Setting the temperature limit value via DIP switch S2 If the temperature limit value is exceeded, a temperature limit alarm is emitted at digital output X4c-III. The 7-segment display shows OH. CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 46: Digital Input Assignment In Program 3

    The signal switches the indoor unit to Cooling mode. The mode can X2a-D2 Cooling mode then no longer be changed using the wired remote control. When voltage is applied, the CompTrol Interface operates in Center Center/ mode and the wired remote control is disabled. Without voltage, the X2b-D3...

  • Page 47: Digital Output Assignment In Program 3

    Temperature limit The temperature limit alarm is displayed for as long as the limit value X4c-III alarm is exceeded (see “5.3.7 Status signals” on page 29). Table 28: Digital outputs in program 3 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 48: Program 4 - Temperature Setpoint Definition With Hotel Remote Control Function

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 49 Pin header S6 for setting the electrical Pin header S5 for setting the electrical supply supply (see “Table 5: Type of electrical supply” on (see “Table 5: Type of electrical supply” on page 18) page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 50: Setting Program 4 Via Dip Switch S1

    10.2.3 Setting functions for program 4 via DIP switch S2 The following table lists the functions for program 4 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 51: Table 31: Value Table For Program 4 Temperature Setpoint

    14.8 15.8 27.5 15.6 16.5 16.4 17.1 28.5 17.2 17.8 18.4 29.5 18.8 19.6 19.7 > 9.8 > 4.9 > 19.6 > 19.7 Table 31: Value table for program 4 temperature setpoint CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 52: Digital Input Assignment In Program 4

    Defrost signal/heat- Either a defrost signal or heating signal is displayed, depending on X4c-III ing signal DIP switch S2-2 (see “5.3.7 Status signals” on page 29). Table 33: Digital outputs in program 4 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 53: Program 5 - Temperature Setpoint Definition With Lockout Function

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 54 Pin header S6 for setting the electrical Pin header S5 for setting the electrical supply supply (see “Table 5: Type of electrical supply” on (see “Table 5: Type of electrical supply” on page 18) page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 55: Setting Program 5 Via Dip Switch S1

    11.2.3 Setting functions for program 5 via DIP switch S2 The following table lists the functions for program 5 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 56: Table 36: Value Table For Program 5 Temperature Setpoint

    14.8 15.8 27.5 15.6 16.5 16.4 17.1 28.5 17.2 17.8 18.4 29.5 18.8 19.6 19.7 > 9.8 > 4.9 > 19.6 > 19.7 Table 36: Value table for program 5 temperature setpoint CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 57: Digital Input Assignment In Program 5

    Cooling mode. When no voltage is applied, it operates in forced Heating mode mode. The mode cannot be changed using the wired remote control. When voltage is applied, the CompTrol Interface operates in Center Center/ mode and the wired remote control is disabled. Without voltage, the...

  • Page 58: Program 6 - Temperature Setpoint Definition For Heat Exchanger Connection Module

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 59 Pin header S6 for setting the electrical Pin header S5 for setting the electrical supply supply (see “Table 5: Type of electrical supply” on (see “Table 5: Type of electrical supply” on page 18) page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 60: Setting Program 6 Via Dip Switch S1

    12.2.3 Setting functions for program 6 via DIP switch S2 The following table lists the functions for program 6 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 61: Digital Input Assignment In Program 6

    F2. The fan speed can then no longer be changed using the wired Fan speed F2 X2c-D6 remote control. If automatic fan speed control is activated, digital input (medium) D6 is no longer evaluated (see “5.3.1 Automatic fan speed control” on page 26). CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 62: Digital Output Assignment In Program 6

    Defrost signal/heat- Either a defrost signal or heating signal is displayed, depending on X4c-III ing signal DIP switch S2-2 (see “5.3.7 Status signals” on page 29). Table 43: Digital outputs in program 6 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 63: Program 7 - Temperature Setpoint Definition Without Signal Boundary Value Monitoring

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 64 Pin header S6 for setting the electrical Pin header S5 for setting the electrical supply supply (see “Table 5: Type of electrical supply” on (see “Table 5: Type of electrical supply” on page 18) page 18) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 65: Setting Program 7 Via Dip Switch S1

    13.2.3 Setting functions for program 7 via DIP switch S2 The following table lists the functions for program 7 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 66: Digital Input Assignment In Program 7

    (see “5.2.2 Remote ON/OFF” on page 26). The signal switches the indoor unit to Cooling mode. The mode can X2a-D2 Cooling mode then no longer be changed using the wired remote control. CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 67: Digital Output Assignment In Program 7

    Defrost signal/heat- Either a defrost signal or heating signal is displayed, depending on X4c-III ing signal DIP switch S2-2 (see “5.3.7 Status signals” on page 29). Table 48: Digital outputs in program 7 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 68: Program 8 - Direct Frequency Request

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.
  • Page 69 Program 8 – direct frequency request Procedure 1. Connect the CompTrol Interface as shown in the connection diagram below. Figure 14: Connection diagram for program 8 No. Name No. Name Digital outputs X4a-I X/Y remote control bus Alarm signal Digital outputs X4b-II, X4c-III Digital input X2a-D1 (see “Table 53: Digital outputs in program 8”...

  • Page 70: Setting Program 8 Via Dip Switch S1

    14.2.3 Setting functions for program 8 via DIP switch S2 The following table lists the functions for program 8 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 71: For Src Outdoor Units: Set Dip Switch S1 On The Comptrol Interface

    Program 8 – direct frequency request 14.3.2 For SRC outdoor units: Set DIP switch S1 on the CompTrol Interface Note Make sure there is always a request during a setpoint/actual value comparison. ● Procedure for SRC outdoor units 1. Replace the Thi-A sensor with a 5 kΩ fixed resistor (see other applicable documents: Techni- cal Manual for heat exchanger connection module).

  • Page 72: Analog Input

    Analog signal configuration must always begin at 0 V DC or 0 mA, to prevent signal distortion ● due to electrical induction. Schematic diagram: Compressor frequency control via an analog signal The diagram below charts the control behavior of one CompTrol Interface expansion module for actuating an outdoor unit with a maximum frequency f of 75 Hz. The compressor fre- max Heating quency is controlled by the analog signal and depends on the outdoor unit model set via DIP switches S1-5 and S1-8.

  • Page 73: Digital Input Assignment In Program 8

    If a signal is applied, the air conditioning unit runs in Cooling mode. If no X2a-D2 mode signal is applied, the air conditioning unit runs in Heating mode. When voltage is applied, the CompTrol Interface operates in Center Center/ mode and the wired remote control is disabled. Without voltage, the X2b-D3...

  • Page 74: Program 9 - Direct Frequency Request With Cascading

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.

  • Page 75: Connection Diagrams For Program 9

    Program 9 – direct frequency request with cascading 15.2.1 Connection diagrams for program 9 Note Pay attention to the information on installation and start-up (see “17 Installing the CompTrol ● Interface expansion module” on page 95). 15.2.2 CompTrol Interface connection diagram in program 9 Procedure 1.

  • Page 76: Comptrol Interface Connection Diagram

    18) page 18) 15.2.3 CompTrol Interface connection diagram Procedure 1. Connect the CompTrol Interface as shown in the connection diagram below. Figure 17: Connection diagram for program 9 (cascading) No. Name No. Name Switch gear cabinet for heat exchanger con-...

  • Page 77: Setting Program 9 Via Dip Switch S1

    15.2.5 Setting functions for program 9 via DIP switch S2 The following table lists the functions for program 9 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 78: Setting The Outdoor Unit Model Via Dip Switch S1

    56: Setting the outdoor unit model with DIP switches S1-5 to S1-8” on page 79). 4. On both CompTrol Interface expansion modules, use DIP switches S2-3 and S2-4 to set the signal ranges with or without signal overlap (see “15.4.1 Setting the signal ranges via DIP switch S2”...

  • Page 79: Analog Input

    ● due to electrical induction. Cascading without signal overlap The diagram below shows the control behavior of two CompTrol Interface expansion modules for actuating two outdoor units each with a maximum frequency f of 75 Hz without signal max Heating overlap.

  • Page 80: Table 57: Direct Frequency Request With Cascading Without Signal Overlap - Signal Range Of 1St Outdoor Unit

    At and above the following analog signals, the 2nd outdoor unit also starts up, until the maximum compressor frequency is reached: Analog signal type Signal of 2nd outdoor unit 0-10 V DC 5.4 V DC 0-5 V DC 2.7 V DC CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 81: Table 58: Direct Frequency Request With Cascading With Signal Overlap - Signal Of 2Nd Outdoor Unit

    “15.4.1 Setting the signal ranges via DIP switch S2” on page 82. Cascading with signal overlap The diagram below shows the control behavior of two CompTrol Interface expansion modules for actuating two outdoor units each with a maximum frequency f...

  • Page 82: Setting The Signal Ranges Via Dip Switch S2

    A and B or C and D via DIP switches S2-3 and S2-4. Note Make sure that the same analog signal type is set on each CompTrol Interface (see “Table 6: ● Analog signal type” on page 19).

  • Page 83: Table 62: Setting The Signal Ranges On Both Comptrol Interfaces - Analog Signal

    Signal range to be set when there is no signal overlap Signal range to be set when there is signal overlap Table 62: Setting the signal ranges on both CompTrol Interfaces – analog signal type 0-10 V DC Analog signal type 0-5 V DC...

  • Page 84: Table 64: Setting The Signal Ranges On Both Comptrol Interfaces - Analog Signal

    Signal range to be set when there is no signal overlap Signal range to be set when there is signal overlap Table 64: Setting the signal ranges on both CompTrol Interfaces – analog signal type 0-20 mA Analog signal type 4-20 mA...

  • Page 85: Example Of Set Signal Ranges Without Signal Overlap

    Analog signal type 0-10 V DC Procedure 1. On the 1st CompTrol Interface, set the correct analog signal type on pin headers S4 and S7. 2. On the 1st CompTrol Interface, set DIP switch S2-3 to OFF and DIP switch S2-4 to OFF.

  • Page 86: Digital Output Assignment In Program 9

    Defrost signal/heat- Either a defrost signal or heating signal is displayed, depending on X4c-III ing signal DIP switch S2-2 (see “5.3.7 Status signals” on page 29). Table 67: Digital outputs in program 9 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 87: Program 10 - Direct Frequency Request With The Comptrol Master

    When reading the current DIP switch positions, bear in mind the horizontal installation posi- ● tion of the CompTrol Interface! The ON switch setting is the one closest to the center of the expansion module. Set inoperative DIP switches to OFF.

  • Page 88: Connection Diagram For Program 10

    Interface expansion module” on page 95). Note Possible damage to the CompTrol Interface from compensating currents. Make sure that the CompTrol Master is connected to an external electrical supply (24 V DC, ● see “Figure 20: Connection diagram for program 10” on page 88).

  • Page 89: Connection Diagram: Connecting Comptrol Interfaces To The Comptrol Master

    18) 16.2.2 Connection diagram: Connecting CompTrol Interfaces to the CompTrol Master Procedure 1. Connect two to five CompTrol Interfaces to the CompTrol Master as shown in the following connection diagram. Note For installing, connecting, and wiring CompTrol Interfaces in combination with a CompTrol ●...
  • Page 90 Program 10 – direct frequency request with the CompTrol Master Figure 21: Connection diagram for program 10 (direct frequency request with the CompTrol Master) CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 91: Setting Program 10 On Dip Switch S1

    16.2.4 Setting functions for program 10 on DIP switch S2 The following table lists the functions for program 10 in brief. See “5 Functions of the CompTrol Interface expansion module” on page 23 for a detailed description of the functions.

  • Page 92: For Src Outdoor Units: Set Dip Switch S1 On The Comptrol Interface

    ● Procedure for SRC outdoor units 1. Set DIP switches S1-1 to S1-4 on the CompTrol Interface (see “Table 68: DIP switch setting for program 10” on page 91). 2. Replace the Thi-A sensor with a 5 kΩ fixed resistor (see other applicable documents: Techni- cal Manual for heat exchanger connection module).

  • Page 93: Analog Input

    Analog input X3-S is inactive in program 10. ● Schematic diagram: Compressor frequency control via a bus signal The diagram below charts the control behavior of one CompTrol Interface expansion module for actuating an outdoor unit with a maximum frequency f of 75 Hz. The compressor fre-...

  • Page 94: Digital Output Assignment In Program 10

    Program 10 – direct frequency request with the CompTrol Master 16.7 Digital output assignment in program 10 Output Function Description All alarms registered by the indoor unit, plus internal expansion mod- ule alarms, are indicated via the output. In addition, the error code...

  • Page 95: Installing The Comptrol Interface Expansion Module

    The CompTrol Interface is not splashproof. Exposure to water may therefore lead to a risk of electric shock and malfunction. Install the CompTrol Interface only in a switch gear cabinet with DIN rail indoors and in accor- ● dance with the technical data.

  • Page 96: Service And Installation Clearance

    The diagrams below show the minimum distances to be kept between the CompTrol Interface and walls or other objects when mounting on a DIN rail in a switch gear cabinet. All dimensions in mm. Figure 23: Plan view and side view of the CompTrol Interface with depiction of installation clearances 17.3 Cable requirements...

  • Page 97: Table 72: Cable Requirements

    2.5 mm X5-(-) and X5-(+). Electrical Max. line length: supply via the X/Y remote con- to DIN VDE 0100-520 trol bus is not possible in this case. Table 72: Cable requirements CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 98: Installing And Connecting The Comptrol Interface Expansion Module

    2nd indoor unit Wired remote control RC-EX1 or RC-EX3 Note A wired remote control must be installed in the X/Y remote control bus in which a CompTrol ● Interface is to be used. The cable for the X/Y remote control bus must be looped through and the shield applied to ●...
  • Page 99 – Switch off the electrical supply to the affected system and signal lines. Procedure 1. Hook the CompTrol Interface onto the DIN rail with the upper hook of the DIN rail holder at a suitable location in the switch gear cabinet.

  • Page 100: Starting Up The Comptrol Interface Expansion Module

    3. The software version number, e.g. 4.0, is shown for approximately 1 second. 4. A countdown ticks down. – If the CompTrol Interface is configured as a slave, the countdown runs from 3 to 0: dura- tion approx. 1 second.

  • Page 101: Troubleshooting

    Troubleshooting 18 Troubleshooting The table below describes possible problems with the CompTrol Interface. If the problem cannot be rectified, please contact Technical Support. Note For troubleshooting CompTrol Interfaces in program 10, see the CompTrol Master Technical ● Manual. Program 10 is available with CompTrol Interface V4.0.3 or higher.
  • Page 102 Troubleshooting Problem Possible cause and remedy Error message E1 (communication The CompTrol Interface and wired remote control are both config- error) on the CompTrol Interface ured as slave. Remedy: Check the roles assigned in the X/Y remote control bus, see –...

  • Page 103: Table 73: Troubleshooting Table

    “15.4.1 Setting the signal ranges via DIP switch S2” on page 82). Program 9: Air conditioning unit 2 Cascading without signal overlap has been set on both CompTrol only starts at: Interface expansion modules. 5.4 instead of 5 V DC –...

  • Page 104: Error Codes

    19 Error codes The 7-segment display displays two different types of error code. CompTrol Interface The 7-segment display of the CompTrol Interface shows the error codes with an E. Display examples: E1, E8 See “Table 74: CompTrol Interface error codes” on page 105for a description of CompTrol Interface error codes.

  • Page 105: Table 74: Comptrol Interface Error Codes

    Incorrect message Breakdown in communication between an indoor unit and the length CompTrol Interface. There may be bus users that are not commu- nicating via the MHI protocol (X/Y). Remedy: Reboot the system, see “Rebooting the system” on page 106.

  • Page 106: Rebooting The System

    Rebooting the system Procedure 1. Switch off power to the CompTrol Interface by removing the connector from terminal X1 or X5 (see “4.2 CompTrol Interface electrical supply” on page 18) of the CompTrol Interface. 2. Re-insert the connector into the terminal.

  • Page 107: Technical Data

    – Air humidity Max. 85 %, non-condensing – Dimensions (H x W x D) 80 mm x 116 mm x 36 mm (without holder) Weight, net 190 g Table 75: Technical data CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 108: Declaration Of Conformity

    Bevollmächtigter zur Ausstellung dieser Erklärung im Namen des Herstellers Authorized representative for issuing this declaration on behalf of the manufacturer Bevollmächtigter zur Zusammenstellung der technischen Unterlagen Authorized representative for compiling the technical documents CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 109: Spare Parts

    The CompTrol Inter- face and CompTrol Master each require a DIN rail power supply unit. Table 77: Accessories 25 Contact 25.1 Manufacturer's address Stulz GmbH S-Klima Division Holsteiner Chaussee 283 D-22457 Hamburg Germany CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...

  • Page 110: Appendix I: List Of Tables

    Table 31: Value table for program 4 temperature setpoint ............51 Table 32: Digital inputs in program 4 ..................... 52 Table 33: Digital outputs in program 4 ................... 52 Table 34: DIP switch setting for program 5 ..................55 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 111 82 Table 61: Signal overlap of 1st and 2nd air conditioning units............82 Table 62: Setting the signal ranges on both CompTrol Interfaces – analog signal type 0-10 V DC ..........................83 Table 63: Setting the signal ranges on both CompTrol Interfaces – analog signal type 0-5 V DC ..........................
  • Page 112 Table 71: Digital outputs in program 10 ..................94 Table 72: Cable requirements ......................97 Table 73: Troubleshooting table ....................103 Table 74: CompTrol Interface error codes ................... 105 Table 75: Technical data ......................107 Table 76: Spare parts ........................109 Table 77: Accessories ........................

  • Page 113: Appendix Ii: Start-Up Report

    Correct wiring checked Status signal is dependent on the set program. For a description of programs, see the CompTrol Interface V4.0.x Technical Manual. Set analog signal at analog input X3 0-10 V DC set at pin headers S4 and S7...
  • Page 114 S2-4 S2-8 Automatic fan speed control Analog signal Activated For setting the analog signal, see Set analog signal at analog input X3. 0-10 V 0-5 V 0-20 mA 4-20 mA CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 115 If the temperature limit value is exceeded, a status signal is emitted at digital output X4c-K3. Analog signal Activated For setting the analog signal, see Set analog signal at analog input X3. 0-10 V 0-5 V 0-20 mA 4-20 mA CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 116 S2-4 S2-8 Automatic fan speed control Analog signal Activated For setting the analog signal, see Set analog signal at analog input X3. 0-10 V 0-5 V 0-20 mA 4-20 mA CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 117 S2-4 S2-8 Automatic fan speed control Analog signal Activated For setting the analog signal, see Set analog signal at analog input X3. 0-10 V 0-5 V 0-20 mA 4-20 mA CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 118 Wired remote control disabled by signal to X2b-D3 Analog signal Activated For setting the analog signal, see Set analog signal at analog input X3. 0-10 V 0-5 V 0-20 mA 4-20 mA CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 119 4-20 mA Program 10: Direct frequency request with the CompTrol Master The required settings can be found in the Start-up Report of the CompTrol Master. You need a CompTrol Master to use a CompTrol interface in program 10. CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 120 0 to 13.3 mA, with signal overlap 5 to 10 V, with signal overlap 2.5 to 5 V, with signal overlap 10 to 20 mA, with signal overlap 12 to 20 mA, with signal overlap CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 121 – – – SRC60ZSX-S/ZSX-W FDC200VSA – – FDC250VSA – – Comments: Final check of entire system Test performed by: Date: Signature: Start-up Report / CompTrol Interface / EN / 01-02-2021 / 1000934 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 122 Pin headers S5 and S6 18 via external electrical supply X5 18 via X/Y remote control bus X1 18 with CompTrol Master 18 Error code 21, 104 Evaluation of the analog input 25 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 123 Liability claims for defects 11 Functions 44 Connection diagram 75 setting 44 Lockout function 53 Description 74 Temperature setpoint 45 Digital inputs 85 Digital outputs 86 Functions 77 Master 28 setting 77 Mode selection 26 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 124 Bus connections X2 and X4 20 SRC outdoor units Digital inputs 19 setting 71, 78, 92 Digital outputs 19 Start-up 100 Electrical supply X5 18 Start-up report 113 X/Y remote control bus 20 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932...
  • Page 126 Find out more at www.s-klima.de Stulz GmbH / S-Klima Division Holsteiner Chaussee 283 / 22457 Hamburg www.s-klima.de...

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