Instructions condensing Air heaters type HR
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Diagram for more heaters on one thermostat
1 2
5
4
3
N
e
u
ta
l
L
(2
3
0
V
A
C
)
Heater 1
1 2
5
4
3
N
e
u
ta
l
L
(2
3
0
V
A
C
)
Heater 2
1 2
5
4
3
N
e
u
ta
l
L
(2
3
0
V
A
C
)
Heater 3
1 2
5
4
3
N
e
u
ta
l
L
(2
3
0
V
A
C
)
Heater 8
22°C
Max. 8 Heaters
22°C
Heater 3
L
(2
3
0V
A
C
)
N
e
u
ta
l
3
4 5
2
1
Heater 2
L
(2
3
0V
A
C
)
N
e
u
ta
l
3
4
5
2
1
Heater 1
L
(2
3
0V
A
C
)
N
e
u
ta
l
3
4 5
2
1
1 2 3 4 5 6 7 8
ON
in heaters:
micro switch on printboard.
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
Important:
Whem more heaters on one thermostat, each next
heater must have its own number (2 til 8).
Only in heater nr 1 S3 to ON, other heaters S3 to 0.
Do not change clamb 4 with 5 between the heaters.
Communication bus:
2 wires; low voltage
Heater 1
Heater 2
Heater 3
0
1
S2
S3
0
1
0
1