17
7 Installation Details
7.1 Wrench torque sheet for
installation
Outside diameter Torque
Additional tightening
Ф6.35mm
1/4in
1500N.cm(153kgf.cm)
1600N.cm(163kgf.cm)
Ф9.52mm
3/8in
2500N.cm(255kgf.cm)
2600N.cm(265kgf.cm)
Ф12.7mm
1/2in
3500N.cm(357kgf.cm)
3600N.cm(367kgf.cm)
Ф15.9mm
5/8in
4500N.cm(459kgf.cm)
4700N.cm(479kgf.cm)
Ф19mm 3/4in
6500N.cm(663kgf.cm)
6700N.cm(683kgf.cm)
7.2 Connecting the cables
The power cord should be selected according
to the following specifications sheet.
Appliance Amps AWG Wire Size
10 18
13 16
18 14
25 12
30 10
The cable size and the current of the fuse or
switch are determined by the maximum
current indicated on the nameplate which
located on the side panel of the unit. Please
refer to the nameplate before selecting the
cable, fuse and switch.
7.3 Pipe length and the elevation
Models
Pipe size
Gas Liquid
MEHS-09NiH2+ MCHS-09NiH2
3/8in
(Ф9.52mm)
1/4in
(Ф6.35mm)
MEHS-09NIH1+MCHS-09NIH1
3/8in
1/4in
MEHS-12NIH1+MCHS-12NIH1
1/2in
1/4in
MEHS-12NIH2+MCHS-12NiH2
3/8in
1/4in
MEHS-18NIH2+MCHS-18NiH2
1/2in
1/4in
MEHS-22NIH2+MCHS-22NiH2
5/8in
3/8in
Models
Standard
length
Max.
Elevatio
n
Max.
Length
A
Additional
refrigerant
MEHS-09NiH2+
MCHS-09NiH2
7.5m
(24.6ft)
10m
(32.8ft)
25m
(82.0ft)
15g/m
(0.53oz/3.3ft)
MEHS-09NIH1+MCHS-
09NIH1
7.5m
(24.6ft)
10m
(32.8ft)
25m
(82.0ft)
15g/m
(0.53oz/3.3ft)
MEHS-12NIH1+MCHS-
12NIH1
7.5m
(24.6ft)
10m
(32.8ft)
25m
(82.0ft)
15g/m
(0.53oz/3.3ft)
MEHS-12NIH2+MCHS-
12NiH2
7.5m
(24.6ft)
10m
(32.8ft)
25m
(82.0ft)
15g/m
(0.53oz/3.3ft)
MEHS-18NIH2+MCHS-
18NiH2
7.5m
(24.6ft)
20m
(65.6ft)
30m
(98.4ft)
15g/m
(0.53oz/3.3ft)
MEHS-22NIH2+MCHS-
22NiH2
7.5m
(24.6ft)
25m
(82.0ft)
50m
(164ft)
30g/m
(1.07oz/3.3ft)