Halton Max ultra circular User manual

Enabling Wellbeing

Halton Max Ultra Circular (MUC) - Quick

guide for commissioning

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

Contents

1Introduction ................................................................................................................................................................. 3

1.1 About this document........................................................................................................................................... 3

1.2 Copyright and disclaimers .................................................................................................................................. 3

1.3 Summary of changes ......................................................................................................................................... 3

1.4 Contact information ............................................................................................................................................ 3

2Product description ..................................................................................................................................................... 4

2.1 Overview ............................................................................................................................................................ 4

3Commissioning ........................................................................................................................................................... 5

3.1 Before you start .................................................................................................................................................. 5

3.1.1 Commissioning process............................................................................................................................. 5

3.1.2 Commissioning information........................................................................................................................ 5

3.1.3 Airflow control panel................................................................................................................................... 6

3.1.4 Airflow control panel: start-up views .......................................................................................................... 7

3.1.5 Modbus RTU communication..................................................................................................................... 8

3.1.6 Self-diagnosis function............................................................................................................................... 8

3.2 Step by step instructions .................................................................................................................................... 9

3.2.1 Configuring basic controller settings in analog mode ................................................................................ 9

3.2.2 Configuring basic controller settings in Modbus mode .............................................................................. 9

3.2.3 Configuring basic controller settings in console mode (service or testing) .............................................. 10

3.2.4 Calculating the airflow control and feedback signals ............................................................................... 10

3.2.5 Rebooting the controller........................................................................................................................... 11

3.2.6 Configuring the scheduled restart function .............................................................................................. 11

4Troubleshooting ........................................................................................................................................................ 11

5Technical reference data .......................................................................................................................................... 12

5.1 Controller connections...................................................................................................................................... 12

5.2 Parameters ....................................................................................................................................................... 13

5.2.1 Halton Max Ultra Circular (MUC) installation cases................................................................................. 13

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

1 Introduction

1.1 About this document

This quick guide provides the instructions on how to commission the product. This document is intended for

properly trained persons performing these tasks.

Note: Project-specific variations are possible.

1.2 Copyright and disclaimers

The contents of this document are strictly confidential and for information purposes only. Disclosing the information

in this document without an appropriate contract or permission by Halton to any third party is prohibited. This

document remains the sole property of Halton and may not be duplicated, borrowed, copied, amended, modified,

reproduced, transmitted or distributed to any third party without the prior written consent of Halton. Any information

held in this document or associated materials may only be used for the purpose specified in this document.

Halton disclaims any and all liability related to this document. Halton gives no explicit or implied warranties in terms

of this document. Any permitted use of the information included herein is at your own risk. Halton may amend or

replace the information included in this document at its sole discretion without further notice and liability.

All intellectual property rights or applications thereof, including without limitation copyright, model rights, patents,

trade secrets, trade names, trademarks, know-how (whether registered or unregistered) attributable to this

document remain the sole and exclusive property of Halton. No rights or licenses are granted.

1.3 Summary of changes

Release Date Description

2.0 12-Apr-2022 ▪Duct connection size 400 mm added.

▪New actuator models added.

▪Chapter Commissioning updated.

▪Chapter Troubleshooting added.

▪Editorial changes.

1.4 Contact information

For contact information, see www.halton.com.

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

2 Product description

2.1 Overview

Fig. 1. Halton Max Ultra Circular (MUC)

Circular airflow management damper using the ultrasound technique for airflow measurement.

Application areas

▪Variable (VAV) and constant (CAV) airflow control applications

▪Supply and exhaust installations

Key features

▪Insensitive to dust collection

▪Enables flexibility in terms of space layout

▪Individually calibrated for higher accuracies

▪Low pressure loss for reducing the noise level

▪Can be connected to Building Management System (BMS)

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

3 Commissioning

3.1 Before you start

3.1.1 Commissioning process

The main steps in the commissioning process are the following:

▪Configuring the basic controller settings (including: selecting the installation case)

▪Setting the Modbus communication parameters (optional)

3.1.2 Commissioning information

Before the system start-up, the controller settings (including the correct installation case) and optionally the Modbus

communication parameters have to be set.

Factory settings

The airflow range for Halton Max Ultra Circular (MUC) is preset at the factory. The factory settings for the control

signal and feedback signal are the same, but they can be configured individually. If the airflow range is not

specified by the customer, the default factory settings are the following:

▪Minimum airflow rate: 0 l/s

▪Maximum airflow rate corresponds to an airflow velocity of 10 m/s

The maximum airflow rates in the following table are given with an airflow velocity of 10 m/s. This applies to all

Halton Max Ultra Circular (MUC) actuator models.

Max. airflow [l/s] @ 10 m/s (Vnom) Max. airflow [m3/h] @ 10 m/s (Vnom)

100 79 283

125 123 442

160 201 724

200 314 1131

250 491 1767

315 779 2806

400 1257 4524

Table 1. Halton Max Ultra Circular (MUC) factory settings

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

3.1.3 Airflow control panel

Halton Max Ultra Circular (MUC) airflow controller has a control panel with a display and four pushbuttons.

Fig. 2. Control panel

The LCD display can show 16 characters in 2 lines.

▪Press the OK button to move to the next view. Press the ESC button to move to the previous view.

▪Press the left or right arrow buttons to move between different parameter settings.

▪When the 'Settings' view is displayed, press the OK button to see the controller parameter menu.

▪If no button is pressed, the display goes back into the default view.

▪LED signal lights indicate Modbus communication:

▪The red light indicates RS-485 Rx communication packet from master.

▪The green light indicates RS-485 Tx communication packet to master.

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

No. Description

1Default view

2Software version

3Measured airflow in m/s

Measured airflow in m3/h

5Measured airflow in l/s

6Damper blade position (0-100%)

7Measured temperature

8Measured room temperature

9Settings view

Air flow (AF)

. m

/s *{CtrlSig}

Air flow (AF)

. l/s *{CtrlSig}

Aux. temperature

. % *{CtrlSig}

Butto

Settings

“OK” to enter

Air speed

. m/s *{CtrlSig}

Air temperature

. °C *{CtrlSig}

Damper position

. % *{CtrlSig}

LAC1.U01

FW ver: 01

Halton

3.1.4 Airflow control panel: start-up views

Fig. 3. Halton Max Ultra Circular (MUC) start-up views

▪Press the OK button to move to the next view. Press the ESC button to move to the previous view.

▪Press the left or right arrow buttons to move between different parameter settings.

▪When the 'Settings' view is displayed, press the OK button to see the controller parameter menu.

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

3.1.5 Modbus RTU communication

The Halton Max Ultra Circular (MUC) airflow control damper can communicate with the Building Management

System (BMS) via Modbus RTU. With the Modbus register, you can read and configure parameter values.

The default communication settings are Slave-ID 1, 115200bsp, O (Odd), 8 (bit), 1 (stop bit).

You can change the communication settings on the correct parameter pages of the Halton Max Ultra Circular

(MUC) controller:

▪Controller support slave ID: 1..247

▪Communication speed: 4k8 / 9k6 / 14k4 / 19k2 / 38k4 / 56k0 / 57k6 / 115k2

▪Parity: None / Even / Odd

There can be up to 64 devices in one Modbus RTU bus. The length and quality of the bus cable as well as other

disturbances can affect the maximum number of devices. The shortest poll time of the controller is 200 ms.

To configure parameters using Modbus, you need to send a password to MUC before it approves the changes.

When configuring the Holding register or Coils, first send the register value you want to change. After that, send

value 9055 to Holding register 40905, then send value 0 to Holding register 40905.

3.1.6 Self-diagnosis function

Halton Max Ultra Circular (MUC) includes an advanced self-diagnosis function for monitoring the controller's own

performance.

If the controller is installed in a location where the airflow is highly turbulent and the air velocity is high

(approximately 10 m/s), it can cause a wrong kind of measurement action to the sensor. In cases like this, the self-

diagnosis function restarts the measurement sensors. During the restart process, the damper blade goes into the

close position for 1 second, then continues normal operation.

If the airflow continues to be highly turbulent, the controller goes into 'Service request' mode after three sensor

restarts. In 'Service request' mode, text Fault 7 is showing on the controller display and the damper blade goes into

the 30% open position. You can reboot the 'Service request' mode in the following ways:

▪In the controller parameter menu

▪By rebooting the controller

▪With a Modbus parameter

▪By using the scheduled restart function

For instructions, see Rebooting the controller and Configuring the scheduled restart function.

Halton Max Ultra Circular (MUC) - Quick guide for commissioning

2.0

3.2 Step by step instructions

3.2.1 Configuring basic controller settings in analog mode

1. Go to the controller parameter menu.

2. Set parameter CtrlMode to 'Analog'.

3. Check the values of the following parameters. If needed, modify the values.

▪Control signal range (AI1rg)

▪Possible values: 0..10V / 2..10V

▪Default: 0..10V

▪Minimum flow setting Vmin (AI1min)

▪Default: Vmin=0

▪Maximum flow setting Vmax (AI1max)

▪Default: Vmax=Vnom

▪Feedback signal range (AO1rg)

▪Possible values: 0..10V / 2..10V

▪Default: 0..10V

4. To ensure accurate measurement results, select the correct installation case and set the value of parameter

SelectDuctType accordingly.

▪Possible values: #0..#51

▪Default: #0

▪For information on the installation cases and their corresponding SelectDuctType parameter values,

see chapter Halton Max Ultra Circular (MUC) installation cases in Technical reference data.

3.2.2 Configuring basic controller settings in Modbus mode

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Halton Max Ultra Circular User manual

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