14 | Unit installation
Installer and user reference guide
43
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664012-1 – 2021.08
INFORMATION
▪ Flexible ducting with sound insulation is effective to reduce blowing noises.
▪ When selecting installation materials, consider the required volume of air flow
and the acceptable level of noise for that particular installation.
▪ When room air infiltrates into the ceiling and the temperature and humidity in
the ceiling become too high, insulate the metal parts of the unit.
▪ ONLY use the inspection hole to access the inside of the unit.
▪ The sound pressure level is less than 70dBA.
14.2.1 To install the optional adapter PCB
For models 350-500-800-1000
a BRP4A50A (optional accessory)
b KRP2A51 (optional accessory)
c KRP1BA101 (installation box)
f Screw
g Screw (supplied with the installation box)
1 Remove the screws from the unit.
2 Attach the optional adapter PCB (KRP2A51) in the installation box
(KRP1BA101).
3 Follow the installation instructions provided with the option kits (BRP4A50A,
KRP2A51 and KRP1BA101).
4 Guide the PCB wire through the dedicated holes and attach it as instructed in
"15.2Opening the switch box"[454].
5 Attach the options to the unit, as shown in the figure.
6 After the wires are connected, fasten the switch box cover.
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