Daikin VAM350J7VEB Installer And User Reference Manual page 37

Linear control
Measuring Every 5 minutes
Evaluation Every 30 minutes
(average of 6
measurements)
Trigger Linear control (minutes)
value
UH H
CO₂ ppm (1)
≥1450 30 —
1300~1450 20 10
1150~1300 10 20
1000~1150 — 30
850~1000 — 20
700~850 — 10
550~700 — —
400~550 — —
0~400 — —
(1) CO₂ parts per million
UH Ultra high
H High
L Low
Example
When the sensor measures 900 ppm in linear control, the unit runs
in high mode for 20 minutes and the next 10 minutes in low mode,
then measures again.
Essential wiring
See "6.5.2 Opening the switch box" on page 17
manual that is delivered with the CO
To remove the components
c
a
d
VAM350~2000J7VEB
Heat reclaim ventilation unit
4P487293-1A – 2018.05
Fixed control
Every 20 minutes
Every 20 minutes
Fixed control
L Mode A Mode B
— UH UH
— UH UH
— H H
— H H
10 H L
20 L L
30 L L
20 L stop
10 L stop
and the installation
sensor.
2
d
e
d
c
d
b
g
f
a Hinge mechanism
b Service cover
c Heat exchange element
d Air filter
e Heat exchange element rail
f Screw 1
g Screw 2
1 Open the service cover hinge by loosening the screw.
2 Remove the service cover.
3 Remove the 2 heat exchange elements and the 4 air filters.
4 Remove the screw from the right heat exchange element rail.
5 Remove the heat exchange element rail.
6 Loosen screw 2, and remove screw 1.
INFORMATION
Use a crosshead screwdriver with a shank of more than
65 mm and a total length of less than 120 mm.
To install the CO2 sensor
b
a Screw 1
b Screw 2
c Damper motor wire
d Clamp
1 Use the 2 screws to install the CO₂ sensor. See
components" on page 37 for details.
NOTICE
Make sure that the damper motor wire is NOT trapped
under the kit.
8 Configuration
c
a
d
"To remove the
Installer and user reference guide
37