15
Subject to change without notice | 83054200iUK | ait-deutschland GmbH
5. Install power cable in a conduit as far as where it
enters the building and from there on to the fuse
box.
6. Connect power cable to power supply.
IMPORTANT
Ensure clockwise rotary field of the load
power supply (compressor).
● An incorrect rotary field of the com
-
pressor during operation can cause
serious, irreparable damage to the
compressor.
IMPORTANT
The power supply for the heat pump must be
equipped with an all-pole miniature circuit-
breaker with at least 3 mm contact spacing to
IEC 60947-2.
Note the level of the release current.
“Technical data / scope of delivery“, from
page 22, “Electric” section.
IMPORTANT
If using the unit in 3~230V systems, please
note that the residual-current circuit breaker
(RCCB) used must be AC-DC sensitive.
Heat pump side connection of the control
and sensor wires
The heat pump is connected to the heating and heat
pump regulator by means of the control and sensor
wires. They are connected at the electric switch box
on the switch box side of the heat pump.
1. Screw control and sensor wires to the two con
-
nectors on the side of the electric switch box.
23 Electrical connections
Observe the following when performing all work:
DANGER
Danger of fatal injury due to electric
current!
Electrical connections may be installed
only by qualified electricians.
Before opening the unit, disconnect the
system from the power supply and secure
it from being switched back on!
WARNING
Observe the relevant EN, VDE and/or ap-
plicable local safety regulations during the
installation and during all electrical work.
Comply with technical connection require-
ments of the responsible power supply
company (if required by the latter)!
Power connection
The power is connected at the connection boxes on
the water connection side.
1. If the unit is closed, open lower facing panel on
the water connection side.
“16.4 Attaching the air flow baffles”, page 11,
point 1
2. Open connection boxes.
1 Connection box for electric heating element
2 Connection box for compressor
3. Connect power cable to the connection box.
4. Close connection box.
Содержание LW 140A
Страница 1: ...UK 83054200iUK Air Water Heat Pumps Outdoor installation Operating Manual LW 140A LW 251A...
Страница 21: ...21 Subject to change without notice 83054200iUK ait deutschland GmbH...
Страница 32: ...32 Subject to change without notice 83054200iUK ait deutschland GmbH LW 140A LW 251A Row tank...
Страница 33: ...33 Subject to change without notice 83054200iUK ait deutschland GmbH Separate buffer tank LW 140A LW 251A...