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3. Installing the outdoor unit
A
A M10 (3/8") bolt
B Base
C As long as possible.
D Vent
E Set deep in the ground
4. Installing the refrigerant piping
4.1. P recautions for devices that use R32 refrigerant
• R efer to 1.5. for precautions not included below on using air conditioners
with R32 refrigerant.
• U se ester oil, ether oil, alkylbenzene oil (small amount) as the refrigeration
oil applied to the flared sections.
• U se C1220 copper phosphorus, for copper and copper alloy seamless
pipes, to connect the refrigerant pipes. Use refrigerant pipes with the thick-
nesses specified in the table to the below. Make sure the insides of the
pipes are clean and do not contain any harmful contaminants such as sul-
furic compounds, oxidants, debris, or dust.
Always apply no-oxidation brazing when brazing the pipes, otherwise, the
compressor will be damaged.
D
E
C
B
■
ZM200/250
M200/250
■
ZM200/250
M200/250
600
Min. 50
* When installing a single outdoor unit, the clearance is 15 mm or more.
Fig. 3-1
• Be sure to install the unit in a sturdy, level surface to prevent rattling noises during
(mm)
operation. (Fig. 3-1)
<Foundation specifications>
Foundation bolt
Thickness of concrete
Length of bolt
Weight-bearing capacity
• Make sure that the length of the foundation bolt is within 30 mm of the bottom
surface of the base.
• Secure the base of the unit firmly with four-M10 foundation bolts in sturdy loca-
tions.
Installing the outdoor unit
• Do not block the vent. If the vent is blocked, operation will be hindered and break-
down may result.
• In addition to the unit base, use the installation holes on the back of the unit to
attach wires, etc., if necessary to install the unit. Use self-tapping screws (ø5 × 15
mm or less) and install on site.
Warning:
• T he unit must be securely installed on a structure that can sustain its
weight. If the unit is mounted on an unstable structure, it may fall down and
cause damage or injuries.
• T he unit must be installed according to the instructions in order to minimize
the risk of damage from earthquakes, typhoons, or strong winds. An incor-
rectly installed unit may fall down and cause damage or injuries.
D
*
Min. 500
600
225
225
1050
Warning:
When installing or relocating, or servicing the air conditioner, use only the
specified refrigerant (R32) to charge the refrigerant lines. Do not mix it with
any other refrigerant and do not allow air to remain in the lines.
I f air is mixed with the refrigerant, then it can be the cause of abnormal high
pressure in the refrigerant line, and may result in an explosion and other haz-
ards.
The use of any refrigerant other than that specified for the system will cause
mechanical failure or system malfunction or unit breakdown. In the worst
case, this could lead to a serious impediment to securing product safety.
Pipe size (mm)
ø6.35 ø9.52 ø12.7 ø15.88 ø19.05 ø22.2 ø25.4 ø28.58
Thickness (mm)
0.8
• D o not use pipes thinner than those specified above.
• U se 1/2 H or H pipes if the diameter is 19.05 mm or larger.
/ B e sure to have appropriate ventilation in order to prevent ignition. Fur-
thermore, be sure to carry out fire prevention measures that there are no
dangerous or flammable objects in the surrounding area.
M10 (3/8")
120 mm
70 mm
320 kg
0.8
0.8
1.0
1.0
1.0
en
1.0
1.0
7
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