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3. Installing the HBC
3.1. Checking the accessories with the HBC
The following items are supplied with each HBC.
Item
1
Installation manual
2
Air vent manual
3
Manual piping layout
Item
1
Socket
2
Tie band
3
Washer with cushion
4
Washer without cushion
5
Installation manual
6
Air vent manual
3.2. Installing HBC
Changing position of L shape plate for Main-HBC
When changing position of L shape plates for fixing Main-HBC, remove the screws
for L shape plates, and place them to a place [A], [B], or [C] in the drawing.
[Fig. 3.2.1] (P.3)
<A> Front view
[A] Left and right side
[B] Front and back side
A L shape plate
Installing Main-HBC
•
Fix L shape plate on the ground or wall by bolt.
•
Vibration may be transmitted to the installation area and noise and vibration may
be generated from the floor and walls, depending on the conditions. Provide
ample vibration proofing (cushion pads, cushion frame, etc.).
•
When connecting the drain piping from behind the unit, change the orientation of
the drain pan before installing the unit. (Refer to 4.5.Drain piping work.)
[Fig. 3.2.2] (P.3)
A L shape plate
•
Required specification for M10 anchor bolt: Tensile strength of 5.6 kN or more to
withstand the short-term load caused by earthquakes.
4. Connecting refrigerant pipes and drain pipes
4.1. Connecting refrigerant pipes
1. Be sure to use non-oxidative brazing where necessary. If you do not use non-oxi-
dative brazing, it may clog the pipes.
When brazing the outdoor unit connecting port of HBC, supply nitrogen gas into
the pipe between the outdoor unit and HBC.
2. After completing pipe connection, support the pipes to ensure that load is not
imparted to the HBC's end connections.
3. When using mechanical couplings, use the ones that meet ISO14903.
4. Support the on-site pipes near the HBC at 0.5-meter intervals or less, and at 2-
meter intervals or less in other areas.
Warning:
When installing and moving the unit, do not charge it with refrigerant other
than the refrigerant R32 specified on the unit.
- Mixing of a different refrigerant, air, etc. may cause the refrigerant cycle to mal-
function and result in severe damage.
Caution:
•
Use refrigerant piping made of phosphorus deoxidized copper and copper
alloy seamless pipes and tubes. In addition, be sure that the inner and
outer surfaces of the pipes are clean and free of hazardous sulphur,
oxides, dust/dirt, swarf, oils, moisture, or any other contaminants.
- R32 is high-pressure refrigerant and can cause the existing piping to burst.
•
Store the piping to be used during installation indoors and keep both ends
of the piping sealed until just before brazing. (Store elbows and other joints
in a plastic bag.)
- If dust, dirt, or water enters the refrigerant cycle, deterioration of the oil and
compressor failure may result.
Model name
CMB-WM350F-AA
CMB-WM500F-AA
Qty
1
1
1
Model name
CMB-WM108V-BB
CMB-WM1016V-BB
Qty
1
3
4
4
1
1
<B> Top view
* Initial position
[C] Front and top side
B M10 anchor bolt (field-supplied)
•
Be sure to install the HBC horizontally.
Install the HBC level (less than 1° tilt to downward), so that the drain pan can
function correctly.
Installing hanging bolts for Sub-HBC
Install locally procured hanging bolts (threaded rod) following the procedure given in
the figure. The hanging bolt size is ø10 (M10 screw).
To hang the unit, use a lifting machine to lift and pass it through the hanging bolts.
The suspension bracket has an oval hole. Use a large diameter washer.
[Fig. 3.2.3] (P.3)
1 Hanging method
A: Min. 30 mm
A Hanging bolt ø10 (field supply)
B Washer with cushion (accessory)
* Attach the cushion facing down.
C Washer without cushion (accessory)
<A> Top view
Be sure to install the HBC horizontally. Check using a level. If the
controller is installed at an angle, drain water may leak out. If the unit is
slanted, loosen the fixing nuts on the hanging brackets to adjust its
position.
Install the HBC level (less than 1° tilt to downward), so that the drain pan
can function correctly.
Caution:
•
Be sure to install the unit horizontally.
Install the HBC level (less than 1° tilt to downward), so that the drain pan
can function correctly.
Install the Sub-HBC with the hanging length within 200 mm [7-7/8 in] or
shorter.
within 200 mm
Sub-HBC
Product weight
Unit model
Net weight
CMB-WM350F-AA
CMB-WM500F-AA
CMB-WM108V-BB
CMB-WM1016V-BB
- Infiltration of a large amount of mineral oil may cause the refrigerant oil to
deteriorate.
•
Do not vent R32 into the atmosphere.
1. Size of HBC's end connection piping
[Fig. 4.1.2] (P.3)
Unit model
Model name
PURY-(E)M200
PURY-(E)M250
(HBC)
CMB-WM350F-AA
PURY-(E)M300
PURY-(E)M350
PURY-(E)M400
(HBC)
PURY-(E)M450
CMB-WM500F-AA
PURY-(E)M500
Ceiling void
Ceiling
196 kg
209 kg
40 kg
53 kg
HBC
High pressure
Low pressure
side
ø15.88
ø19.05
(Brazing)
(Brazing)
ø15.88
ø22.2
(Brazing)
(Brazing)
ø15.88
ø22.2
(Brazing)
(Brazing)
ø15.88
ø28.58
(Brazing)
(Brazing)
ø19.05
ø28.58
(Brazing)
(Brazing)
ø19.05
ø28.58
(Brazing)
(Brazing)
ø19.05
ø28.58
(Brazing)
(Brazing)
side
11
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