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.
Page 4
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 4(31) DANGER OF ROTATING UNIT PARTS! This symbol indicates a hazardous location with a risk of personal injury including death and material damage. DANGER OF OVERHEAD LOADS! This symbol indicates a hazardous location with a risk of personal injury including death and material damage.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 5(31) CAUTION! Risk of personal injury or material damage. Notes NOTE: Notes are statements to which you should pay special attention. 1.4 Contact information You can find the contact details from www.halton.com/contact.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 6(31) 2 Product description 2.1 Overview Halton Max Ultra Circular (MUC) Circular airflow management damper using the ultrasound technique for airflow measurement. Application areas Standard VAV and CAV applications •...
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 7(31) 2.2 Operating principle Fig.1. Halton Max Ultra Circular (MUC) has two ultrasound sensors for airflow measurement. The damper can function either as a supply or an exhaust unit. It maintains the required airflow through ultrasound measurement, regardless of variations in the room conditions or duct pressure.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 8(31) by different sensors such as occupancy or room pressure sensors, thermostats or timers • remotely from a building management system (BMS) • The airflow setpoint can be modified between the minimum and maximum settings from the room controller interface or a BMS.
3.1.1 Installation process The installation is carried out by Halton Field Service or an approved partner. Follow the installation process chart to install the Halton Max Ultra Circular (MUC) damper. Fig.2. Halton Max Ultra Circular (MUC) installation process chart 3.1.2 Installation information Installation options There are three possibilities to position the damper.
Page 10
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 10(31) General Measurement Uncertainty • Accuracy ±5 % Minimum Safety distance 1D • Expected Measurement Uncertainty, when correct installation parameter is applied ± % or l/s depending, which is the greatest of the percentage or the absolute value for the specific product size.
Page 11
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 11(31) Controller connections Terminal Name Comment Ground 24 V DC/AC Power supply input Ground Standard RS-485 B Data receive/send line B Standard RS-485 A Data receive/send line A Ground...
Page 13
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 13(31) Fig.6. Wiring example for Halton Max Ultra Circular (MUC) with a master-slave configuration In the following example, the supply unit is controlling the exhaust unit. Fig.7. Wiring diagram for master-slave configuration (Modbus optional) Version 1.0...
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 14(31) 3.2 Step by step instructions 3.2.1 Connecting the damper to the ductwork Before you start • Check the inside of the damper for damage and loose parts. •...
Page 16
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 16(31) 3. Fix the duct to the damper with pop rivets such that it cannot be moved. NOTE: The fixing material is not included in the delivery. Results The damper is installed.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 17(31) 3.2.2 Connecting the wiring ELECTRICAL HAZARD! Before carrying out any work, turn off the power supply to avoid injury from electrical current. Procedure 1. Unscrew the controller cover.
• Setting the Modbus communication parameters (optional) 4.1.2 Airflow controller display Halton Max Ultra Circular (MUC) airflow control has a control panel with display and four push buttons. Fig.8. Control panel The LCD display can show 16 characters in 2 lines.
Holding register 40905. 4.1.4 Factory settings The airflow rates for Halton Max Ultra Circular (MUC) are preset at the factory. If the airflow rates are not specified by the customer, the default factory settings are 0 for the minimum airflow rate and the 10 m/s flow velocity for the maximum rate.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 20(31) 4.2 Start up Press the OK button to move to the next step. Press the ESC button to move to the previous step. Procedure 1. When the controller is powered, the software version number is displayed.
Page 22
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 22(31) c. Set the AO1type parameter to the value Voltage / Current. d. Set the AO1rg parameter to the value 0...10V / 2... 10 V if AI1type is Voltage or to 0...20mA / 4...20mA if AI1type is Current.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 23(31) 4.4 Resetting the parameters These parameters are defined and set in the final testing in production. Changing of these parameters should only be done by qualified person. Enter the menu by pushing the following buttons combination: Left, Right, OK for 2s.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 24(31) 5 Maintenance ELECTRICAL HAZARD! Before carrying out any work, turn off the power supply to avoid injury from electrical current. Clean the ultrasound damper during the periodic cleaning of the ductwork. Set the damper blade in an open position.
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 29(31) 6.3 Modbus RTU variables 3xxxx, Input register Register Name Description Value 30001 FWver Firmware version 0 .. 65535 → 0 .. 65535 30002 CWorkingHoursHi Counter of controller working hours, 0 ..
Page 30
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 30(31) 4xxxx, Holding register Register Name Description Value 40004 AirFlowDB Airflow regulation deadband, percentage of 0 .. 10000 → 0.00 .. AirFlowSP 100.00% 40005 DamperSP Setpoint for damper position 0 ..
Page 31
Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 31(31) 0xxxx, Coils Register Name Description Value 00001 AI1type Voltage or current type of AI1 '0' → Voltage '1' → Current 00002 AI1rg Range of AI1 '0' → 0-10V/0-20mA '1' →...