
18
7.2.2 First use - display
To commission the air heater via the display’s manual test
mode, do the following:
NOTICE
The display’s manual test mode will only work for
maximum 10 minutes.
1. Press and hold the
Return
and
(–)
button for a
few seconds (figure 21). The display will alternate
between Lo and St. This means the heater will start
up in Low fire.
2. Press the
(+)
and
(–)
buttons to toggle between
Low and High fire (figure 21).
3. Press the
(–)
button until 0 is displayed to exit the
service. The air heater will always cool down the
heat exchanger for several minutes.
The test mode will automatically end after 10 minutes.
+
Figure 21 - Using the display
Summary of Contents for HR Series
Page 1: ...HR en v2 0 12 2019 INSTALLATION MANUAL AIR HEATER TYPE HR ...
Page 28: ......