62
1
13
3 5
2
14
4 6
A1
A2
(K2)
K 2 N2
EBBT
AH
AH
N6
N2
N1
10.5 kW
BT
1
1
1
4 5 6 N1 N2 N3 N4 N5 C5
3
2
2
2
4 5 6 N1 N2 N3 N4 N5 C5
3
2
2
2
X2
EBHP
N4
L1
L1
L2
Q1
400V. 3 ~.50Hz.
L3
L2 L3
20A
N3
N5
Wiring of the heater
- Prior to installation, power off the YLHA PLUS units.
- Do not power on again until installation is finished and with
the tank full of water.
AH
- 10.5 Kw backup heater (400.3.50).
BT
- Buffer tank.
EBBT
- Buffer tank connections box.
EBHP
- YLHA PLUS connections box.
K2
- Heater contactor.
Q1
- Thermomagnetic protector of the heater.
Installation
N1
- Remove the top cover of the tank.
N2
- Remove the cover of the connections box.
N3
- Remove the cover of the YLHA PLUS control box.
N4
- Connect terminals 2 and N2 of the tank connections
box to the corresponding terminals in the YLHA PLUS
electrical connections box.
N5
- Connect terminals 1, 3 and 5 of contactor K2 and
ground of the tank electric box to the power supply.
For this purpose, use 2.5 mm² Cu cable and a ther-
momagnetic 20 amp switch.
N6
- Pass the cables through the tank the corresponding
drilled holes.
Wiring of the heater
