Hitecsa 105 Manual De Instrucciones De Uso, Mantención E Instalación página 37

EN
Removing the electric board lid will give access to the electrical power
supply terminal board of the heat pump and the TERMINAL BLOCK
for the external contacts and sensors connection
(L) (N)
Section II :: Installation and maintenance
Terminal board
Cable gland
Ring cable clamp
Ring cable clamp
39
Connections on the power supply terminal block
• Before beginning work make sure that no power is supplied to the unit.
• Carry out wiring work in compliance with applicable standards so
that the water-air heat pump can be used safely and efficiently.
• Install a circuit breaker with specific loss derivation in compliance
with relevant laws and regulations, and standards of electric power
companies.
• The circuit breaker is installed in the permanent wiring. Always use
a circuit that is able to trigger all the wiring poles and has an insu-
lation distance of at least 3 mm between the contacts of each pole.
Distribution
board
Make sure to use a dedicated power supply with a differential switch
and a circuit breaker.
Accordance with the following designations, use a cable whose wires
have dimensions equal to those outlined in the table below.
Power supply cable (mm
EWMIP
105 2,5
110 4
116 4
The power supply cable must be approved in accordance with standard
IEC. 60245 IEC57 (H05RN-F).
To disconnect all poles, the product relies on an overcurrent protec-
tive device in the fixed wiring in accordance with the wiring rules and
relevant national requirements. The device must have a sufficient
classification for the product specifications.
ATTENTION
• The rated voltage of this product is 230 ~ 50 Hz
• Before switching on, make sure that the voltage is within the range
of 207 V to 253 V.
• Where the voltage is low, and it is difficult to start the heat pump
air-water, contact your electricity supplier to increase the tension.
Differential
switch
Thermal circuit breaker
2
)
capacity (A)
16/C
25/C
32/C