Service Manual -
VMH 9/12/18/24 SU & VMH30/36S D Series
9
11
5. Wiring Diagram
(Please refer the wiring diagram on the unit)
6
.
Installation Details
6.1 Wrench torque sheet for
installation
Outside Diameter
Torque
Additional
Tightening
Torque
Ф
6.35mm 1/4in
ll lb-ft
1
2 lb-ft
Ф
9.52mm 3/8in
l8 lb-ft
19 lb-ft
Ф
12.7mm 1/2in
25.8 lb-ft
26.5 lb-ft
Ф
15.9mm 5/8in
33.2 lb-ft
34.7 lb-ft
Ф
19mm 3/4in
47.9 lb-ft
49.4 lb-ft
6.2 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
is
located on the side
panel of the unit. Please refer to the nameplate
before selecting the cable, fuse and switch.
Models
Pipe
S
ize
Gas
Liquid
VMH09SU-1
3/8in
(Ф
9.52mm)
1/4in
(Ф
6.35mm)
VMH12SU-1
VMH18SU-1
1/2in
(Ф
12.7mm)
1/4in
(Ф
6.35mm)
VMH24SU-1
VMH30SD-1
VMH36SD-1
5/8in
(Ф
15.9mm)
3/8in
(Ф
9.52mm)
Models
Standard
Length
Max.
Elevation
Max.
Length
A
Additional
Refrigerant
A-VMH09SU-1
B-VMH09SU-1
7.5m
(24.6ft)
10m
(32.8ft)
25m
(82.0ft)
15g/m
(0.16oz/ft)
A-VMH12SU-1
B-VMH12SU-1
A-VMH18SU-1
B-VMH18SU-1
A-VMH24SU-1
B-VMH24SU-1
A-VMH30SD-1
B-VMH30SD-1
A-VMH36SD-1
B-VMH36SD-1
7.5m
(24.6ft)
20m
(65ft)
30m
(98ft)
15g/m
(0.16oz/ft)
7.5m
(24.6ft)
25m
(82ft)
50m
(164ft)
30g/m
(0.32oz/ft)
7.5m
(24.6ft)
30m
(82.0ft)
65m
(213ft)
30g/m
(0.32oz/ft)
6.3 Pipe length and the elevation