38VYX050/38VYX080
GB - 10
All field electrical connections are the responsibility of the
installer.
WARNING:
• Wrong wiring may cause a burn-out to some electrical parts.
• Be sure to use the cord clamps attached to the product.
• Do not damage or scratch the conductive core and inner insulator
of power and inter-connecting cables when peeling them.
• Be sure to comply with local regulations of the cable from outdoor
unit to indoor unit.
(wire size and cabling method etc.)
• Use the power and Inter-connecting cables with specified
thickness, specified type and protective devices required.
38VYX050
How to remove the cover
1. Remove screws of the valve cover.
2. Pull the valve cover downward to remove it.
1. Connect the connecting cable to the terminal as identified with
their respective numbers on the terminal block of indoor and
outdoor unit.
Evacuating
• Open the valve stem or the handle until it strikes the stopper.
It is unnecessary to apply further force.
• Securely tighten the cap with a torque wrench.
• Cap tightening torque
ø 6,35
14 a 18 N•m (1,4 a 1,8 kgf•m)
Valve
ø 9,52
33 a 42 N•m (3,3 a 4,2 kgf•m)
size
ø 12,70
33 a 42 N•m (3,3 a 4,2 kgf•m)
ø 15,87
20 a 25 N•m (2,0 a 2,5 kgf•m)
Service connection
14 a 18 N•m (1,4 a 1,8 kgf•m)
Electrical connections
• Make refrigerant connections before electrical
connections.
When disconnecting, disconnect electrical connections before
refrigerant connections.
IMPORTANT:
Make ground connection prior to any other electrical
connections.
Power cable and connecting cable
• The installation fuse (25A D type
) must be used for the
power supply line of this air conditioner.
• Incorrect/incomplete wiring might cause an electrical fire or
smoke.
• Prepare the exclusive power supply for the air conditioner.
• Ensure that mains supply connection is made through a switch
that disconnects all poles, with contact gap of a least 3 mm.
• The indoor - outdoor unit interconnecting wires must be A07 RN-F
type (245 IEC 57) or higher, with synthetic rubber insulation with
Neoprene coating, according to EN 60335-2-40 codes.
• The mains supply connecting cable for 38VYX units, must be H07
RN-F type (245 IEC 57) or higher, with synthetic rubber insulation
with Neoprene coating, according to EN 60335-2-40 codes.
Refer to the indoor unit installation manual for sizing of the
power supply wires.
2. For inter connecting cable, do not use a wire jointed to another
on the way.
Use wires long enough to cover the entire length.
Connecting
cable
Power cable
Ground
connector
(mm)
10
30
1 2 3
10
10
L N
30
40
Valve handling precautions
Connecting
cable
Power cable
1 2 3 L N
Terminal block
Piping cover
Cord clamp
Indoor/outdoor
connecting cables
Power cable
Valve cover
Model
38VYX050
38VYX080
Power supply
220
÷
240 V
Single phase
50 Hz
Maximum running current
12 A
15A
Installation
25 A (type D
)
fuse rating
Power cable
H07 RN-F (245 IEC 57)
2,5 mm
2
