Hoffrichter TRENDvent Brief Instructions

This document does not replace the
manufacturer's user's manual. Follow
the user's manual.
Unlocking button
for humidifi er
Connection
for tube system/
humidifi er
Contact sockets
for humidifi er
Oxygen sensor
cable connection
Control tube
connection
Main switch
DC
Mains socket
24V~/5A
Air inlet with integrated
fi lter cassette (fi ne and
coarse fi lter), detachable

CHANGING AND CLEANING THE FILTERS

The coarse fi lter must be cleaned once a week.
The white fi ne fi lter cannot be cleaned. It should be
inspected visually weekly and replaced monthly or more
frequently if heavily soiled.
1. Pull the cover of the air inlet from the device.
2. Slide the fi lter cassette out from the cover of
the air inlet.

LEDs AND BUTTONS

Power LED
Color Condition Power supply
green lit Voltage > 22.0 V
red fl ashing Voltage > 22.0 V
none off Voltage > 22.0 V (confi rmed)
Heating button
Color Condition Status
green lit Heating on
green fl ashing Heating on standby
white lit Heating off
white fl ashing Heating deactivated by battery
operation
Alarm button
Color Condition Priority
red fl ashing HIGH
yellow fl ashing MEDIUM
yellow lit LOW or not yet confi rmed
alarm
OPERATING CONCEPT
Patient screen
Ventilation sets Comfort screen
Power LED
Display
Oxygen
connection
Pressure measuring
tube connection
or
to last
active screen
Alarm screen
Quality makes the Difference
Battery LED
OK button
Heating
button
ON/OFF button
Oxygen
output
3. Remove the coarse fi lter (black) and the fi ne
fi lter (white) from the fi lter cassette.
4. Clean the coarse fi lter with mild soapy water,
afterwards rinse the fi lter thoroughly with clear
water. Let the fi lter dry completely in the air.
Instead of cleaning the coarse fi lter, you can insert a
new one.
Battery LED
Color Condition Device Capacity
green lit
yellow lit
red lit
red fl ashing
green fl ashing
yellow fl ashing
red fl ashing
yellow lit
red lit
or on alarm
Counter screen
Touch wheel
with cursor buttons
esc button
Alarm button
Handle
on > 80 %
on > 30 %
on < 30 %
on Battery error
off > 80 %
(Battery charging)
off > 30 %
(Battery charging)
off < 30 %
(Battery charging)
off Battery charging error
(capacity < 80 %)
off Battery charging error
(capacity < 30 %)
Curve screen
Service screen Status screen