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Instructions Air heaters type DXC (GB 550a)
2
N
L
3
230 Vac
S2
PE
4
RT
N
PE 11
0
-T
1
S3
20K@25°C
-T
20K@25°C
dP
5
N
L
yellow
green
white
brown
yellow
yellow
white
brown
J12
2
5
1
8
4
7
3
6
12 13 14 PE
L
S4
4
For other options see manual
Micro switches S2 standard to OFF, and S3 to 1.
1 2 3 4 5 6 7 8
ON
Temperature
sensors on heat
exchanger
Air pressure
switch
AirTemperature
sensor on
heater
1
1
3
2
Clamps
for installer
N
1
F2
2
J6
1
14
11
F1
8
5
3
12
1
2
gasvalve
Thermostat
relay
K2
2 x 5AT
J2
1
green/yellow
blue
brown
9
7
12
3
black
6
4
grey
blue
10
Reset
S4
LED 2
green
(opt)
3
12
11
4
166HA
green/yellow
J4
LED 1
red
(opt.)
2
4
13
14
11
R2
4k7
6
10
M1
Flue booster
green/yellow
2
black
13
7
R3
1k5
5
black
Apliance
recognition
1
14
11
2
J7
3
green/yellow
J15
8
M2
T2
9
12
1
0
S4
Ver: B
6
5
10
9
GB
8
7
12
11
Auto
Off
4
1b
R130
Nr.:
Auth:
Reset
Burn
4
3
SIT
Modulating coil
DC
DC
S4
Fan + Auto
2
1
F3
Auto
Burn
TR2
5
6
9
10
5
3
4
24V
230V
1
K2
5
4
2
1
0
1 2 3
white
white
22°C
ext. Thermostat
Date: 28-11-2012
black
DXC 80
Title:
Get: MF
J8
2
5
6
7
4
3
9
10
A1
8
A2
11
K1
Fan
7
14
8
ventilators
11
blue
3
blue
Thermostat
relay
T0,05A
L ~230V 50Hz
12 Electrical diagram
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