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HML - Airflow unit for large volumes
HML - Airflow unit for large volumes

HML 大容量气流装置

浩盾 HML 是一款用于处理大容量空气且带有气流集中加热功能的气流装置。

概述

  • 压力范围为 100 Pa 至 1000 Pa
  • 最小空气流速为 2.1 m/s
  • 230 VAC,1Ph 或 400 VAC,3 Ph
  • 内置流量测量(自动型号
  • 最小/最大的阀位设定值(半自动)
  • 双向可控硅控制加热线圈,可调节加热功率 (PWM) 0…100%
  • 主/辅功能:多个辅助布风器可以连接到一个主布风器上
  • 内部熔断丝
  • 可选配外部开关(如阳台门开关和钥匙卡开关)的输入端
  • 网络可与高级能效和监管系统的适配器兼容
  • 可选配能效功能,以减少不必要的冷却/加热成本
  • 所有参数可在工厂预设或在调试时通过 PDA 现场设定
  • 所有电缆均带电缆接头
  • 适合不同安装需要
  • 带有控制板状态检测指示功能的 90 °C 手动复位安全开关
  • 最小流量警报(自动模式)和带有加热器截止功率过热限制功能的箱内温度测量
  • HML 气流装置可配备有控制板和互连电缆

Dimensions

HML dimensions

Note:
HML units are manufactured for rectangular ducts (width B 200-1000 mm and height H 200 – 1000 mm). Circular connection pieces are available. Non-standard dimensions and flange drilling available on request.

HML with circular connection pieces

Material

PART MATERIAL
Casing Hot galvanized steel or EN 1.4404 (AISI316L)
Insulation Mineral wool, s = 50 mm, MED approved
I/O unit Aluminium/plastic/electronics
Reheat coil Incoloy 800
Cables Halogen free
Measurement wings Aluminium/polyurethane

Product Models and Accessories

  • VAV/CAV
  • Inputs for external switches such as balcony door and key card switches available as an option
  • Network compatible with adapter for advanced energy efficiency and supervision system available as an option
  • Energy efficiency functions to reduce unnecessary cooling / heating costs available as an option

Control panel features

Halton Marine HML  units are available with three different control panel models; with rotating knob, push buttons with LED bar graph (available as option: IP54) and push buttons with LCD-display (available as option: IP54).

Common features

  • Cabin temperature measurement
  • Connector for bluetooth / communication adapter to set cabin parameters
  • Software for parameter setting and trouble shooting
  • Different colour options and custom labeling available as an option
  • Delivered with IC-Cable (interconnection cable)
    • For control panel – cabin unit connection
    • Prefabricated with plugs on both ends
    • Cable plug on panel side is designed to be pulled through standard installation pipe
    • Halogen free and flame-retardant
    • Standard length 7 meters. Other lengths available.

Control panel with rotating knob

  • Temperature adjustment by rotating knob

Control panel with push buttons and LED bar graph

  • Temperature adjustment by push buttons
  • Self diagnose function
  • LCD intensity control and auto dimming

Control panel with push buttons and LED bar graph

  • Temperature adjustment by push buttons
  • Self diagnose function
  • LED intensity control and auto dimming

Control panel with push buttons and LCD display

  • Temperature adjustment by buttons
  • Self diagnose function
  • LCD intensity control and auto dimming
  • Display for actual and set point temperatures available as an option
  • Time display available as an option
  • A customized background picture available as an option
  • Several frame options available


Control panel models; push button and rotating knob.


LCD control panel

Cabin ventilation configuration table

Manually controlled airflows

Single duct units; HMM, HME

Pressure dependent units

Single duct units: HMF, HFR/M

Pressure independent units

Single duct units; HMF, HFR/M, HML
Dual duct units; HMR

Reheater box enclosure

  • IP 44

ACCESSORIES FOR HML AIRFLOW UNITS

MS-Cable (master-slave cable)

  • For master cabin unit – slave cabin unit/units connection
  • Prefabricated with plugs on both ends
  • Halogen free and flame-retardant
  • Standard length is 7 meters. Other lengths available as an option.

Communication adapter

  • Bluetooth communication  to external device
  • For wireless connection to set unit parameters and trouble shooting

Network adapters

  • Network adapter (also available as WiFi) expands a stand-alone unit to network compatible unit (LON or Ethernet network)
  • Enables supervision and advanced energy efficiency functions
  • For more information, see Halton Networks for cabin ventilation -brochure or contact Halton Marine Sales office.

Function

Function, control panel

Control panel includes also a number of special features such as diagnostics function, room brightness measurement and re-programmability. The power supply and data transfer between cabin unit and control panel is carried out via interconnection cable.Temperature range is software adjustable between 10 and 30°C.

Function of VAV unit

When passenger demands lower temperature by using control panel unit, the damper opens in order to increase the flow of cold air towards the maximum value. When the required temperature in the cabin is achieved, the damper reference is held until the temperature demand changes. In heating mode, the damper restricts the airflow towards its minimum rate, and if the required temperature in the cabin is not thus achieved, the controller activates the electric reheater inside the unit in a stepless manner.

Function of CAV unit

Airflow is kept in pre-set level in any condition. When passenger demands for a higher temperature by using control panel, the electric reheater inside the cabin unit will be activated in a stepless manner towards to maximum heating capacity or until desired temperature is achieved. When passenger demands for a lower temperature by using control panel, the electric reheater inside the unit will be deactivated in a stepless manner towards to zero heating capacity or until desired temperature is achieved.

Regulation diagram, VAV

Regulation diagram, CAV

HML unit’s airflow measurement accuracy

Accuracy* ±10%
* ductwork pressure 200-1000 Pa (optimal)

Note:
When comparing airflow measurements between airflow unit and other device, unit’s airflow regulation dead-band has to be taken into account (± 10%).

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Halton HML datasheet 2020
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