Carel heaterSteam UR Series, User Manual

Page: 18 / 72

18
ENG
“heaterSteam” +0300075EN - rel. 1.2 - 29.09.2015
4. ELECTRICAL CONNECTIONS
4.1 Set up for power cables passageway
Models UR002-UR013
Exterior, view from below Interior, view from above
3
1
1
3
Fig. 4.a Fig. 4.b
Models UR20-UR80
Exterior, side view
1
3
2
Fig. 4.c
Key:
1. power supply cable inlet;
2. inlet (after drilling) for any other purpose;
3.
probe cables inlet (after drilling).
4.2 Power supply cable connection
Before making the connections, ensure that the machine is disconnected
from the mains: set the master switch of the system and that of the
humidifi er to OFF.
Attention: please note that the ON/OFF switch of the humidifi er
cuts the power only to the electronic control, not the high
voltage, which remain powered.
Check that the voltage of the appliance’s power supply corresponds to
the value indicated on the data plate inside the electrical panel. Remove
the front panel as shown in chapter 1.
In order to insert the power cables and probes:
Models UR002-UR013
1.
loosen the screws and remove the cover (A);
2. if necessary cut the top of the cone cable gland (B) and insert the
power cable;
3.
connect the electrical cables to the terminal block, reinsert the cover
and fasten it with the screws;
To secure the probe cable:
4.
remove the precut cable clamp (C) and loosen the screws;
5. insert the cable into the probe using the newly drilled hole: then
secure the cable with screws.
A
B
1
2
GND
L N
3
Fig. 4.d Fig. 4.e
GND
L N
C
4
GND
L
N
5
Fig. 4.f Fig. 4.g
Models UR020-UR080
1.
Locate the grommet (A) on the right side of the appliance and pass
the power cable through it;
2. inside the electrical panel: unscrew the cable gland (B), connect the
wires to the terminal block and tighten the screws again to ensure
tightness.
G
N
D
L1 L2 L3
B
A
Fig. 4.h