
26
Pictures for illustra tive purpos es
ALL WORKS CONCERNED WITH THE ELECTRICAL INSTALLATION MUST BE CARRIED OUT BY SKILLED AND QUALIFIED PERSONNEL.
Humidifier without neutral fitted with a 400/230V transformer
The RTH-LC 5/3 to 15 humidifiers are electrically supplied in G + N. In case a neutral
line is not available, this can however be easily substitued by the use of our optional transfomer
preventing the installation of a specific neutral line.
E
LECTRO
V
AP
RTH-LC
Wiring connection
(continued)
1
2
3
4
+15V
0V
-15V
230V
400V
J1
J2
J3
J4
42
42
41
41
39
39
40
40
Primary circuit
protection
External
protection
power
Power
3x380-
400VAC
Transformer
Prim: 400V
Sec: 230V
The neutral is not earthed. In this case, we advocate the installation of a transformer
L2
L1
N
L3
L
PE
RTH 5/3
to 15
WITH NEUTRAL « I T »
External
protection
power
Power
3 x-XXX VAC
50-60Hz
L2
L1
N
L3
L
PE
F2: 2A
F1
T
T: Transformer
Prim: XXXV
Sec: 230V
f: 50/60Hz
RTH 5/3
to 15