16
Installation Manual
CAUTION!
The maximum length of the connection pipe is listed in the table below. Do not place the
units between which the distance exceeds the maximum length of the connection pipe.
Model
Size of Fitting Pipe (Inch)
Max.Pipe Length (m)
Max.height Difference between Indoor Unit
and Outdoor Unit (m)
Liquid
Gas
SKVH09A-A3NA(I)
1/4
3/8
20
15
SKVH12A-A3NA(I)
1/4
3/8
20
15
Note:
1. The connection pipe should be insulated with proper water-proof insulating material.
2. The pipe wall thickness shall be 0.5-1.0mm and the pipe wall shall be able to withstand the pressure of 6.0 MPa.The longer the
connecting pipe, the lower the cooling and heating effect performs.
5.3 Connection Pipe Requirement
Model
Power Supply
Capability of Air Switch
(A)
Minimum Sectional Area of Power Cable and Earth
line (mm
2
)
SKVH09A-A3NA(I)
220-240V~,50Hz
16
1.5
SKVH12A-A3NA(I)
16
1.5
5.4 Electrical Requirement
Electric Wire Size and Fuse Capacity.
Note:
1.The fuse is located on the main board.
2. Install the disconnect device with a contact gap of at least 3mm in all poles nearby the units.The appliance must be positioned so
that the plug is accessible.
amps) of the unit.
copper cable, consisting of PE insulated wires and a PVC cable jacke
t) used at 40°С and resistible to 90°С(see IEC 60364-5-52).
6. Take 2 pieces of power cord of 0.75mm
2
as the communication lines between indoor and outdoor unit, with their longest lengths of
50m. Please select the appropriate line length as per the actual installation conditions. The communication lines can not be twisted
together. For the unit, it’s recommended to use 8m long communication line.
7. Take 2 pieces of power cord of 0.75mm
2
as the communication lines between the wired controller and the indoor unit, with their
longest lengths of 30m. Please select the appropriate line length as per the actual installation conditions. The communication lines
can not be twisted together. It’s recommended to use 8m long communication line.
8. The wire size of the communication line should be no less than 0.75mm
2
. It’s recommended to take 0.75mm
2
power cords as the
communication line.
