8 MAINTENANCE AND SERVICE
Make sure that specific warnings and cautions in Chapter 2 "Precautions" are carefully read, understood and applied!
Maintenance can be carried out by the user.
Service must be performed only by an authorized installer and in accordance with local rules and regulations.
Questions regarding installation, use, maintenance and service of the unit should be answered by your installer or place of
purchase!
8.1 Components list
QR280E
3
5
1
internal components
Fig. 8.a QR280E
24
23
22
21
20
QR590E
4
M
6
1
Fig. 8.b QR590E
internal components
52
2
19
18
17
16
15
T
R
P
10
9
N
M
L
K
J
H
G
F
E
D
C
B
A
2
3
WARNING
8
9
10
6
4
24
23
22
21
20
19
18
17
16
14
13
12
11
10
11
7
5
24
23
22
21
20
19
18
17
16
7
G4 FILTER
1
HEAT EXCHANGER
2
THERMISTOR
3
FAN, INTAKE AIR
4
FAN, EXHAUST AIR
5
ELECTRICAL CONNECTION BOARD
6
ADDITIONAL CABLE ENTRY
7
CONTROL CABLE
8
SUPPLY CABLE
9
CABLE FOR REMOTE SENSOR
10
15
14
13
12
11
10
9
8
9
8
7
6
5
8
G4 FILTER
1
F7 FILTER
2
HEAT EXCHANGER
3
15
14
13
12
11
10
9
8
THERMISTOR
4
FAN, INTAKE AIR
5
FAN, EXHAUST AIR
6
ELECTRICAL CONNECTION BOARD
7
ADDITIONAL CABLE ENTRY
8
CONTROL CABLE
9
SUPPLY CABLE
10
11
CABLE FOR REMOTE SENSOR
SE NON SPECIFICATO:
QUOTE IN MILLIMETRI
FINITURA SUPERFICIE:
TOLLERANZE:
LINEARE:
ANGOLARE:
NOME
DISEG.
VERIF.
APPR.
FABB.
7
6
5
4
3
2
1
4
3
2
1
T
T
R
P
R
N
M
P
L
K
N
J
M
H
G
L
F
E
K
D
J
C
B
H
SE NON SPECIFICATO:
FINITURA:
INTERRUZIONE
QUOTE IN MILLIMETRI
BORDI NETTI
NON SCALARE DISEGNO
REVISIONE
FINITURA SUPERFICIE:
TOLLERANZE:
LINEARE:
ANGOLARE:
FIRMA
DATA
TITOLO:
QR
NOME
DISEG.
A
VERIF.
APPR.
FABB.
MATERIALE:
fig-8
Qual.
N. DISEGNO
A0
PESO:
SCALA:1:1
FOGLIO 1 DI 1
7
6
5
4
3
2
1
G
F
E
D
C
B
FINITURA:
INTERRUZIONE
NON SCALARE DISEGNO
BORDI NETTI
REVISIONE
FIRMA
DATA
TITOLO:
QR
A
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