1
1-11-2-1-16
4. TRANSPORT AND INSTALL THE OUTDOOR UNIT
Anchor bolt length
More than 25mm
More than 40mm
Base
More than
50mm
Model A B C D
U-36***
540 mm 160 mm 18.5 mm 330 mm
U-50***
U-60***
613 mm 131 mm 24 mm 360.5 mm
U-71***
A B
C
D
5. REFRIGERANT INSTALLATION
1. Precautions during refrigerant installation.
Use clean pipes with no dust inside.
The pipe may corrode with the presence of fl uorine dust which will adversely affect the refrigerant piping system due to deter ioration
of the refrigerant oil, etc.
This unit is specifi cally for R32. Ensure to adhere to the following items and install accordingly:
• Use pipe cutters and fl aring tools which are specially designed for use with R32.
• When connecting with fl aring tools, coat the fl are section with ether-based oil.
• Ensure to use fl are nuts supplied with the unit when connecting this unit.
• Only for storing or for open pipes.
• Set the lower limit of the allowable pipe length to 3m.
• Carefully handle the liquid refrigerant, as it may cause a frostbite.
• Do not release refrigerants during the piping works for installing, re-installing and repairing refrigeration parts.
For indoor unit refrigerant piping installation, refer to the installation instruction manual that comes with that indoor unit.
Rear direction
Transporting
1. Transport the outdoor unit in its original packaging as close as possible to the installation location.
2. In the event that the unit needs to be lifted or suspended, use a rope or belt and use cloth or wood as padding to avoid dam aging the unit.
3. Use the side handles to carry the unit and be careful not to touch the fan with your hand or any objects.
Installation
1. Read the “Select the outdoor unit installation location” thoroughly before installing the outdoor unit.
2. When installing to a concrete or solid surface, use M10 or a W 3/8 bolts and nuts to secure the unit. Ensure that it installed upright on a horizontal plane.
(Use an anchor bolt for the installation as shown in the diagram below.)
3. Avoid installing on the slanted roof.
4. In the even where the roof is at risk of receiving oscillations or vibrations, secure the unit with a seismic isolating mou nt or vibration absorbing rubber.
5. The drain water will be discharged from the unit during heating or defrosting operation mode.
Select an appropriate location with good drainage system. (In the winter, there is risk of slipping due to freezing, and depending on the installation set up there
is risk of drain water running overhead.)
Please consult us if installing drain elbows.
In cold regions (where the outdoor temperature can drop to below 0˚ for 2 to 3 consecutive days), the drain water may freeze and may prevent the fan from
operating. For this case, do not use the drain elbow.
U-36PZ3E5 U-50PZ3E5 U-60PZ3E5 U-71PZ3E5
Pipe outer diameter
)4/1( 53.6).ni( mmdiuqiL
)8/5( 88.51)2/1( 7.21).ni( mmsaG
04030251)m(htgnel epip mumixaM
Maximum elevation
Outdoor unit is placed higher (m)
0251
Outdoor unit is placed lower (m)
01 ~ 35.7 ~ 3)m(htgnel epip ssel-egrahC
Additional charge per 1 m
(
)
715101
Refrigerant charged at shipment
(
)
0.87 1.14 1.15 1.32
Total refrigerant amount
(
)
0.95 1.33 1.49 1.83
Specifi cation for pipe connecting indoor unit to outdoor unit.
Precautions when operating the 2/3-way valve for piping installation
Do not open the 2/3-way valve until the piping installation is completed.
• It is closed during shipment.
• When removing or tightening the gas tube fl are nut, use 2 adjustable wrenches together:
one at the gas tube fl are nut, and the other at part A.
Refer to the following table for the tightening torque of the 2/3-way valve fl are nuts.
• If the nuts are over tightened, they may cause the fl ares to break or leak.
Do not add additional force to the valve’s cover.
• Using spanners on the cover or valve itself (other than the hexagonal parts) may cause gas leakage.
Avoid using spanners on the cover or parts other than the hexagonal part of the valve.
Service port
Valve shaft
Valve cap
Flare nut
Valve A
A
A
Piping Thickness:
Size mm (in.) 6.35 (1/4) 9.52 (3/8) 12.7 (1/2) 15.88 (5/8)
Thickness. mm
> 0.8 > 0.8 > 0.8 > 1.0
If the pipe is shorter than 3m, the refrigerant may become overfi lled and a problem such as abnormal high pressure
could occur.
SM830283-00_欧州向け R32シングル36-71形TD&SM.indb 16 20/01/30 10:26:04
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