Electrical Connections - Carrier AQUASNAP JUNIOR 30RA005**B Serie Installationsanweisung

30RA/30RH "B" Puron
Connections and water circuits

 Position for units size
005 - 007 - 009

Electrical connections

Remove electric box cover.
Connect the wires to the terminals according to the wiring diagram
and firmly tighten.
• The characteristics of the available power supply must correspond
to the unit nameplate specifications.
• The voltage must be within the limits indicated in the technical
data table.
• The imbalance between voltage phases must always be less than
2%.
• WARNING:
If the unit operates at a voltage outside the limits given in Table
VIII or with a phase imbalance above 2%, this constitutes impro-
per use and may affect the warranty.
If the phase imbalance is higher than 2%, contact the local electri-
city board immediately.
• Electric wiring must be in accordance with data indicated in this
manual and the wiring diagram and conform to applicable local
and national regulations.
• Ensure that mains supply connection is made through a switch

 Position for units size
011 - 013
The control can pilot an external pump with a current input of up to
8 Ampere.
It is recommended to disconnect the internal pump, replacing it with
a tube.
WARNING:
The minimum inlet pressure to the pump at maximum water flow
should be 13 kPa at the maximum supply water temperature
(50°C).
This precaution avoids cavitation noise and damage to the pump
bearings due to lack of water flow and poor lubrication of the bea-
rings.
Flow switch
The flow switch in the outlet line to the pump stops the compressor
operation in case of:
• pump failure;
• water circulation cut-off;
• presence of air un the system.
that disconnects all poles, with contact gap of a least 3 mm.
• The mains supply connecting cable must be H07 RN-F (or higher)
type, synthetic rubber insulation with Neoprene coating, according
to EN 60335-1 and HD277.S1 codes.
IMPORTANT:
• Make earth connection prior to any other electrical connec-
tions.
• Earthing is required by law.
The installer must earth the unit using the terminal marked
with the international earthing symbol.
• Be fo re con ne cting the supply ca ble to the li ne, locate line (L),
li nes (L1-L2-L3) and neu tral N. Then ma ke con ne ctions, as
in di ca ted in the wi ring dia gram.
WAR NING:
The supply li n e of three-phase units must be three-pha s e plus
neu t ral. Omis s ion of the neu t ral N line could da m a g e the sin g le-
pha s e supplies.
• The wiring diagram for the electrical supply to remote controls/
interlocks is inside the unit, glued under the cover.
• See Table III for cables sizes and dimensions of the electrical
devices.
Power circuit supply
• The power circuit supply (three-phase plus neutral) must be con-
nected to the correct terminals (see wiring diagram).
• The auxiliary circuit supply is directly taken from one phase and
neutral and it is proteced by fuse "F".
• If the electrical supply cables L1 (R), L2 (S), L3 (T) are connected
in an incorrect sequence, the power supply is interrupted after a
few seconds by the control, which goes into alarm status preven-
ting the incorrect compressor rotation.
Note:
After connections have been completed, replace electric box cover.
E N G L I S H
GB - 9