HCH 5 Attic Mounted Unit

HCH 5 Attic Mounted Unit

Dantherm Attic Mounted MVHR Unit / HCH 5 Mechanical Ventilation & Heat Recovery System. Attic-mounted home ventilation units. The HCH residential ventilation units are primarily designed for 1-2 family houses. The units are supplied as packaged ventilation units complete with built-in demand-control and a control panel. The residential ventilation units are fitted with highly efficient counter-flow heat exchangers which are optimised to a very high efficiency level thus achieving a very low specific fan power (SPI value) for the entire unit.

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Key features

Key features of the Dantherm HCH 5 Attic Mounted Unit.

  • Demand-controlled ventilation with integrated humidity sensor.
  • High-efficiency heat recovery.
  • EC motors with extremely low energy consumption (low SPI).
  • Easy-to-install solution with pressure pipes for air volume measurement and adjustment on the unit.
  • HCH models are suitable for installation on uninsulated attics.
  • Separate HCH control panel included, plus a 2m cable.
HCH Models

The HCH residential ventilation units are horizontal models designed to be fitted in the loft or on the floor of a plant room. They fulfil the ventilation requirements of houses up to app. 475m2, depending on national requirements and the actual pressure loss in the installation. All HCH models have duct connections at the ends and service access at the front. Electrical connection is at the end of the unit facing the fresh air – right-hand – side. The ducts connected to the home (supply and extract) are always on the left-hand side of the unit. The condensation drain is located at the rear of the unit.

Technical data

Technical data and specifications for the Dantherm HCH 5 Attic Mounted Unit.

SPECIFICATIONS
UNITS
HCH 5
Max. flow at 100Pam3/h350
Max. rated flow at 100PaVmax.rated + m³/h300
Recommended operating rangeV + m³/h80 – 300
EN 13141-7 reference flow at 50PaVREF + m³/h210
Energy consumption class – average climateSEC-classA
Energy consumption class – average climateSEC-classA+ *
Heat exchanger typeDantherm aluminium counter-flow heat exchanger
Thermal efficiencyUp to 94% **
BypassYes
Filters in accordance with EN779G4 (optional on supply: F7)
Filters in accordance with ISO 16890ISO Coarse 75% (optional on supply: ePM1>50% )
Surrounding temperature where the unit is installed°C-12 to +50
Operational temperature range without preheating°C-13 *** to +50
Operational temperature range with preheating°C-20 to +50
Leakage (external and internal) according to EN 13141-7Class<2% (Class A1)
CABINET
Dimensions (w x h x d)mm1180 x 600 x 580
Duct connectionmm160
Weight unitkg52
Weight including packagingkg66
Dimensions including packaging and pallet (w x d x h)mm1210 x 610 x 750
Outer cabinet materialAluzinc
ColourRALAlzunik grey
Cabinet insulation, polystyrenemm40
Insulation factor – cabinetW/m2x °K0.78
Fire classification – polystyrene cabinetDIN 4102class B1
Fire classification – whole unitEN 13501class E
Protection classIP20
ELECTRICAL
Separate HCP 4 control panel included plus 2m cableYes
Supply voltageV1 x 230
FrequencyHz50
Maximum power consumption (without/with preheater)W154/1554

* Requires an Energy Efficiency Class A+ kit (including CO2 sensor and HAC 1 accessory control). Described under Accessories.
** Condensing operation.
*** We recommend preheating at temperatures under -3°C to ensure a balanced operation.

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For full technical data and specification, please Download the Dantherm MVHR / Mechanical Ventilation & Heat Recovery product catalogue here…
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