43
Version 1 – GBR (25/10/2022)
D-502-0287
7.2.2.
Visual Inspection – Cleaning of the preheater,
if fitted with the unit (XH1-030-ECxxxxP…)
-
The preheater is accessible from the bottom of the filter location.
-
In the event of dust contamination, clean the preheater by vacuuming with a vacuum cleaner.
-
Never remove the preheater or clean it with a damp cloth.
-
Pay particular attention to the preheat supply cables to prevent damage to them - pulling them out of
the junction box or out of the preheater
7.2.3.
Visual Inspection and Cleaning of the Heat Recovery Exchanger
-
Then, visually inspect and clean the heat recovery exchanger (position 12)
-
Vacuum the heat exchanger.
-
Beware of vacuuming around the heat recovery exchanger in the area of the air exhaust where the
temperature sensor for anti-freeze protection is located in the heat exchanger.
7.2.4.
Re-installation of Internal Components into the Unit
-
After inspection and cleaning, re-install the internal components into the unit.
-
Slide the fan assembly into the grooves of the fitting, checking the correct positioning of the cables as
you do so.
-
Align the cables so that they cannot be damaged during fan operation and secure them with tie wraps
Fig. 59
ANTI-FREEZE
SENSOR
POSITION!!!
TURN THE FANS
BACK AND
INSERT THEM
CAREFULLY TO
THEIR GROOVES
Fig. 57
Fig. 58
