Johnson Controls YORK YLCA 20 Instrucciones De Instalación página 8

Wiring of the heater
- Prior to installation, power off the YLHA/
YLHA PLUS units.
- Do not power on again until installation is
finished and with the tank full of water.
AH
- 1 0 . 5 K w b a c k u p h e a t e r
(400.3.50).
BT - Buffer tank.
EBBT - Buffer tank connections box.
EBHP -
YLHA/YLHA PLUS connections
box.
Wiring of the heater
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All data subject to change without notice.
8
K2 -
Q1
-
Installation
N1 - Remove the top cover of the tank.
N2 - Remove the cover of the connections
box.
N3 - Remove the cover of the YLHA/YLHA
PLUS control box.
N4 - Connect terminals 2 and N2 of the
tank connections box to the cor-
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Heater contactor.
Thermomagnetic protector of the
heater.
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responding terminals in the YLHA/
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 thermomagnetic 20 amp
switch.
N6 - Pass the cables through the tank the
corresponding drilled holes.
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