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14
• Ventilation • Heat reclaim ventilation
57
• Heat reclaim ventilation • VAM-FA/FB
14 Optional accessories
14 - 2 KDDM24B50, KDDM24B100: Silencer
Applications and features
• The silencer effectively reduces the noise of the HRV units.
• Air flow rate should be lower than 600 m
3
/ h for the model
KDDM24B50 and lower than 1000 m
3
/ h for the model
KDDM24B100.
Caution
The silencer cannot be used on different model. Confirm the
model before installation.
Dimensions
KDDM24B50
KDDM24B100
Dimension table (unit: mm)
Installation procedure
1. Remove the flange from the
silencer.
2. Remove the duct coupling of
the air inlet provided on the
body of HRV units.
3. Use the provided screws and
install the flange on the HRV
units.
4. Install the silencer on the
flange. Then, install the duct
coupling.
5. Insert the duct into the duct
coupling and wind round the
commercially available
aluminum tape, etc. to prevent
the air leakage.
Part No. KDDM24B50 KDDM24B100
Applicable model VAM500FB VAM650FB
VAM800FB, VAM1000FB,
VAM1500FB, VAM2000FB
Nominal pipe diameter φ 200 mm φ 200 mm φ 250 mm
Noice suppression effect Approx. 6 dB
Part name A B C D
KDDM24B50 320 340 206 210
KDDM24B100 380 480 250 260
19
A
B
C
D
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