Accorroni PACK DUE 12, Technical Manual

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• Locate the hole at the base of the unit between the finned
coil and fan, A.
• Connect to the hole the provided fitting joint, B.
• Connect a hose to the nozzle of the supplied fitting joint.
• Direct the hose into thedisposal place for condensate water.
• Maintain a sufficient slope to ensure the smooth flow of
condensate water.
6.5 REFRIGERANT DIAGRAM
SE
EEV
LR
IN OUT
4WV
DT
LP HP
ST
M
P
C
LS
OS
FL FL
NRV
CLS
Pr
C COMPRESSOR
CLS
COMPRESSOR LIQUID SEPARATOR (only for the models i ‐ SHWAK/WP
05, 07 e 10)
OS OIL SEPARATOR (only for the models i ‐ SHWAK/WP 10 e 15)
ST COMPRESSOR INLET TEMPERATURE
DT COMPRESSOR OUTLET TEMPERATURE
HP HIGH PRESSURE TRANSDUCER
Pr HIGH PRESSURE FLOW SWITCH
LP LOW PRESSURE TRANSDUCER
LS LIQUID SEPARATOR (only for models i ‐ SHWAK/WP 10 e 15)
4WV VALVE FO INVERTING CYCLE
LR LIQUID RECEIVER
EEV ELECTRONIC EXPANSION VALVE
NRV NO RETURN VALVE (only for the models i ‐ SHWAK/WP 10 e 15)
FL FILTER
M AXIAL FAN
SE OUTDOOR AIR TEMPERATURE
P CIRCULATOR ON BOARD UNIT
IN WATER INLET TEMPERATURE
OUT WATER OUTLET TEMPERATURE
WARNING: The unit should be installed so that adequate clearance is available for maintenance and repairation. The
warranty does not cover costs related to platforms or handling equipment necessary for any maintenance.
All maintenance and testing operations should be carried out only by QUALIFIED PERSONNEL.
Before any operation on the unit, make sure the power supply is disconnected.
WARNING: Inside the unit, there are some moving parts. Be especially careful when working near them, even if the
unit is off.
The temperatures of heads and exhaust piping of the compressor are usually high. Therefore be careful when working
near condensing coils.
The aluminum fins are very sharp and can cause serious injuries.
After the maintenance operations, close the panels tightly with the fastening screws.
6.6 ELECTRICAL CONNECTIONS
Check out that the power supply meets the unit’s electric nominal data (tension, phases, frequency) reported on the label in the
unit’s front panel. Power connections have to be made in accordance to the wiring diagram enclosed with the unit and in
accordance to the national and international norms in force. Power cables and line fuses have to be sized according to the
specifications listed in the wiring diagram enclosed with the unit.
WARNING: The supply voltage’s fluctuations can not exceed ±10% of the nominal value. Should these tolerances
not be respected, please contact our technical department.
WARNING: The power supply have to respect the listed limits: failing this, warranty will terminate immediately.
Before any operation on the unit, be sure that the power supply is disconnected.
WARNING: The water flow switch (the component number 5 in the previous image and factory installed) have
ALWAYS to be connected following the indications listed in the wiring diagram. Never bridge the water flow
switch connections in the terminal board. Should the water flow switch connections altered or not properly made,
the guarantee will be invalidated.
WARNING: The indoor unit can not be installed in areas with strong vibrations, corrosive gases, and excess of
dirtiness or high humidity levels. Comply with the minimum technical installation.
A
B