Removal Of Motor Unit Right; Error Messages "Flash Code; Accessories - Helios KWL EC 220 D Eco R Montage- Und Betriebsvorschrift

Installation and Operating Instructions
Compact ceiling units KWL EC 220 D Eco
6 .7

Removal of motor unit right

In order to remove the right motor unit, remove the heat exchanger and disconnect the electrical connectors (Fig.33).
Then remove the metal tray and motor unit by pulling and gently lifting (Fig.34).
In order to remove the left motor unit, proceed as described above.
6 .8

Error messages "flash code"

Error messages signalled by LED on controller (Fig.12).
The following warning or alarm indicators ("flash code" within 5 sec.) are defined:
Flash code Error message
(time span 5 sec .)
Speed monitoring
1 time
Supply air fan
Speed monitoring
2 times
Extract air fan
Safety temperature limiter (STB)
3 times
Pre-heater activated
Supply air temperature below
4 times
+5 °C
Heat exchanger frost protection
5 times
(WT)
Sensor break
Continuous light
Red
Continuous light Filter change
Orange
6 .9

Accessories

Ref. no. 9636
KWL-EVH 220 D
Ref. no. 9444
KWL-AL 10
Ref. no. 3414
RVBD 125 K
Fig .33
Cause
– Defective motor
– Defective impeller
– Cable break
– Defective motor
– Defective impeller
– Cable break
– Filter dirty
– Flow rate too low
– Defective circuit board
Advisory only
– Filter dirty
– Flow rate too low
– Defective circuit board
– Extract, supply, exhaust or
outside air sensor not con-
nected or defective
Factory setting every
6 months
Electric pre-heater
Connection cable 10 m
duct connector with sealing lip
13
EN
Fig .34
Reset
Slide switch within 1 sec.
from stage 1 to 3 back to 1
Slide switch within 1 sec.
from stage 1 to 3 back to 1
Reset only possible by
disconnecting mains!
(see MBV EHR-R)
Autonomous
(see section 3.1.5)
Autonomous
Slide switch within 1 sec.
from stage 1 to 3 back to 1
Slide switch within 1 sec.
from stage 1 to 3 back to 1