Model
HKBE
HKCE
HKDE
Bridge between
22 and 23 of terminal
strip XA
no yes
Electric heating
module powers kW
4
(2+2)
6
(4+2)
Outdoor Unit Indoor Unit
Interconnect cable
between the indoor
unit and the outdoor
unit
Shielding
Screws (not supplied)
Metal clamp (not supplied) screwed
to the terminal strip's support plate
Grounding of the
cable shielding:
4.3.2.2 - 400 V three-phase power supply
Single-phase power supply
400 V / 3 + N + T / 50 Hz
Power supply amperages and cable sizes
- The sections are given as an indication only. They have to be verified and adapted, if necessary, according to the
installation conditions and the standards in force.
(*) With maximum electric heating module power (see below).
4.3.2.3 - Selection of electric heating module powers
• To obtain the maximum electric heating module power ratings, the bridge must be installed between 22 and 23 on
terminal strip XA (bridge included).
Model HKBE HKCE HKDE
Maximum
input
amperage
(A)
Indoor unit HK (*) 9,5 9,5 9,5
Protection rating (A) 12 12 12
Power supply cable size 5 G 4 mm
2
5 G 4 mm
2
5 G 4 mm
2
4.3.3 - CONNECTION WITH THE OUTDOOR UNIT
• The control connection between the indoor unit and the outdoor unit is made by a shielded 0.75 mm
2
cable (AWG #18),
with the shielding grounded at both the indoor unit and outdoor unit side.
• Maximum length 70 meters.
• The cable's shielding must be grounded at both ends by means of a metal clamp (not supplied) screwed onto the
terminal strip support plate.
• To avoid problems related to electromagnetic disturbances, do not route this cable near power cables.
