5
Rev. 01.01
INTRODUCTION
1. INTRODUCTION
1.1 ACCEPTABLE ENVIRONMENT
TECHNICAL DATA
The unit is intended for indoor installation and must
be installed in a dry environment with the temperature
+41 °F to +104 °F (+5 °C to +40 °C)
For proper operation the temperature in-
side the HRV should range from -4 °F to
+104 °F (-20 °C to +40 °C), maximum humid-
ity 90%. Damage to the heat exchanger struc-
ture may result if operated outside these limits.
The unit is not designed for air containing ammable
or explosive mixtures, chemical vapors, heavy dust,
soot, grease, toxins, pathogenic organisms, etc.
Minimally ammable materials
1.3 SAFE INSTALLATION DISTANCE
ATTENTION!
Non-ammable materials
• All materials used within 4 inches (100 mm)
oftheHRVunitmustbenon-ammable(they
donotburn,ameup,burnout)orminimally
ammable (they do not burn or decompose,
e.g. drywall). Moreover, these materials must
not cover the unit’s inlets or outlets.
• The minimum safe distance of ammable
materials from the unit’s outlets is 20 inches
(500 mm).
• The minimum safe distance of ammable
materials in other directions is 4 inches (100
mm).
+40°C
+5°C
1.2 ACCESS DISTANCE
The unit should be installed so as to provide ac-
cess for maintenance, service or disassembly. This
includes, in particular, access to the cover of the
control cabinet, to duct openings, and to the cover
of the of the air lters.
a
c
b
d
UNIT a b c d
VS250 CM 30" 0" 4" 12.5"
VS400 CM 30" 0" 4" 14.5"
VS900 CM 30" 0" 4" 18.5"
VS1200 CM 30" 0" 4" 22"
4"
4"
4"
4"
4"
4"
20"
20"
