Cloth Panel Systems : Q42 Automated Blower Door

The Q42 is an automated blower-door for tight and super-tight houses.

Retrotec Model Q42 consists of a DM-2A, a DU-220 Fan and a cloth door panel.

DM-2A Automatic Digital Gauge

  • Controls pressure or flow
  • Results without a computer!
    • flow at any pressure, CFM50
    • air-changes / hour, ACH50
    • leakage area, EqLA @ 10 Pa
    • air-flow / area (eg. m3/h/m2)

DU-220 Automatic Calibrated Fan

  • built-in computer controller
  • 3 calibrated flow ranges for leakage measurement of tight and super tight buildings.
  • Available in 110 and 240 Volts
Airchanges at 50PaMaximum Volume
1.528,000 ft3 (793 m3)
3.014,000 ft3 (396 m3)

Aluminum Frame and Cloth

  • Highly portable Aluminum frame and cloth door fits most standard doorways. Includes carry-case.
  • Extensions and larger cloths available for extra-wide or extra-tall doorways
  • High pressure cloth and cross-bar available for high pressure testing

Specifications

CFMLitres/sm3/h
Maximum Flow (Free Air)7563571284
Maximum Flow (at 25Pa)7003301190
Minimum Flow (Low Range at 10Pa)528
AccuracyFlow: ± 3%
Pressure: ± .2 Pa

Calibration Meets Canadian CGSB-149.1-2002 & SuperE, USA ASTM E 779 – 03, European EN 13829 & CEN, UK TM-23 Energy Standards.

Fits Door Sizes Width: 25” to 41.5” (63 to 105 cm) Height: 51.5” to 95” (131 to 241 cm)

Dimensions (Packed)Weight
Fan:14” x 14” x 12” (35 × 35 × 30 cm)10.0 lb (4.5 kg)
Aluminum Frame and Cloth53” x 10” x 4” (134 × 25 × 10 cm)14.2 lb (6.4 kg)
Motor115 or 230V (185 Watt), Backward Curved Impeller
ControlUsing DM-2A (or optional Manual Speed Control)

Q42 System Comes Complete With

Digital Gauge2-Channel DM-2A Digital Gauge with Automatic Control
10’ Umbilical for Fan Control, Power, Room Pressure and Flow Pressure
DM-2 Users Manual
Long-life rechargeable Ni-MH Batteries
Low-Flow FanDU220 Digital Low-Flow Fan with Automatic Control
Mid-Range and Low-Range Flow Plates
Cloth DoorAluminum Frame and Cloth-Door Panel
Plastic Carry Case

Q42 Automated Blower Door Photographs