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HMC – Single duct cabin unit

The Halton HMC is manually operated cabin unit for single duct applications.

Overview

  • Pressure range from 0 Pa…200 Pa
  • Airflow range 0 m3/h…180 m3/h
  • Airflow adjustment with diffuser knob, painted with the diffuser color
  • Mechanical max/min airflow limits for easy commissioning
  • Easily tailored for different types of installations
  • MED approved for B-0/B-15 installations

Specification

Halton HMC is a manually operated cabin unit for single duct applications. The unit can be installed directly through one ceiling blade (300 mm).  Airflow is controlled via an adjusting knob installed through the diffuser. The control mechanism has mechanical limits for minimum and maximum airflows. Airflow limits can be easily set during commissioning. HMC is recommended to be used in conjunction with Halton’s TCL diffuser that is specifically designed for HMC cabin unit.

Dimensions

B L H ØD1 male/female ØD2 male
HMC 250 400 175 159/161 98

Note:
Male connection: outer dimensions
Female connection: inner dimensions

Weight

HMC cabin unit without a diffuser weights 6,2 kg.

Material

PART MATERIAL
Casing Hot galvanised steel or EN 1.4404 (AISI316L) available as an option
Spigots Hot galvanised steel and EPDM rubber or EN 1.4404 (AISI316L) available as an option
Insulation Mineral wool, S = 25 mm, MED approved

Function

Airflow is controlled via an adjusting knob installed through the diffuser. The control mechanism has mechanical limits for minimum and maximum airflows.

Installation

HMC can be installed directly through one ceiling blade.

Adjustment

The supply flow rate is determined by using a handheld measurement device. Adjust the minimum airflow rate by rotating the D-shape bar until the desired setting is achieved. Move the minimum airflow mechanical limiter against the stand and tighten socket cap screw. Adjust the maximum airflow rate by rotating the D-shape bar until desired setting is achieved. Move the maximum airflow mechanical limiter against the stand and tighten socket cap screw.

Performance Data

Pressure drop and sound levels (cabin sound absorption 4 dB(A)

Sound attenuation (dB)

f(Hz) 63 125 250 500 1000 2000 4000 8000
HMC-100 ∆L(dB) 3,7 4,1 12,4 21,5 23,8 33,4 34,9 35,2

∆L: Sound attenuation not including end reflection

Sound attenuation (dB) with TCL-160 diffuser

f(Hz) 63 125 250 500 1000 2000 4000 8000
HMC-100 with TCL-160 ∆L (dB) 3,7 6,4 16,9 21,7 31 41,2 35,7 36,8

∆L: Sound attenuation not including end reflection

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