Mitsubishi Electric CMY-Y100VBK2 Installation Manual

WT05134X01
CMY-Y100VBK2, Y200VBK2, Y300VBK2
Outdoor Twinning Kit Installation Manual
• For safe and correct use, please read this installation manual thoroughly before installation.
For your safety, follow the instructions with WARNING and
• Before installing the unit, make sure you read all the "Safety precautions".
• These precautions provide very important points regarding safety. Make sure you follow them.
• The following symbols are intended to alert the presence of danger in case of miss-operation.
WARNING This symbol indicates that failure to follow the instructions exactly as stated poses the risk of serious injury or death.
This symbol indicates that failure to follow the instructions exactly as stated poses the risk of injury or damage to the
CAUTION
unit and other property.
Ask the dealer or an authorized technician to install
the unit.
• Improper installation may result in problems such as gas
leakage.
Do not modify the unit in any way. Ask your dealer to
repair the air conditioner.
• Improper installation by the user may result in water leakage,
electric shock, or fire.
If refrigerant gas leaks during installation work,
ventilate the room.
• If the refrigerant gas comes into contact with a flame, poisonous
gases will be released.
Safely dispose of the packing materials.
• Tear up and throw away any plastic packaging bags so that
children will not play with them. If children play with a plastic
bag which has not been torn apart, they run the risk of
suffocation.
* For general instructions on the installation of an outdoor unit, follow the Installation Manual for the outdoor unit.
1. Confirming the Supplied Parts
The twinning kit box (CMY-Y100VBK2, CMY-Y200VBK2, and CMY-Y300VBK2) contains the
following twinning and accessory piping parts. Make sure that the kit contains all of these
parts.
After checking, prepare the twinning kit by connecting the twinning pipes b, c, and d to the
twinning pipe a.
*Always use the twinning pipes included in the kit when preparing the twinning kit.
Depending on the model type, the size of the field piping may be different from the pipe size
of the twinning kit. In such a case, connect the following accessory piping parts to the kit.
(1) Twinning pipes
Model Section Lebel Twinning a Pipe b (Before the twinning)
15.88×12.7×12.7
Liquid A
CMY-Y100VBK2
28.58×25.4×25.4
Gas D
Liquid C 19.05×15.88×15.88
CMY-Y200VBK2
Gas B 31.75×28.58×28.58
Liquid
A (Red) 15.88×12.7×12.7
Second row
Liquid
C (Red) 19.05×15.88×15.88
First row
CMY-Y300VBK2
Gas
D (Red) 28.58×25.4×25.4
Second row
Gas
B (Red) 31.75×28.58×28.58
First row
PUHY-P950 – P1250
Set model PUHY-P950 PUHY-P1000
Unit 1 PUHY-P400 PUHY-P400
Unit 2
Set Unit PUHY-P300 PUHY-P300
Unit 3 PUHY-P250 PUHY-P300
Twinning Type
Liquid a
Indoor – Twinning 2
b
Gas
c
Liquid
Twinning 1 – Twinning 2
d
Gas
PUHY-EP700 – EP900
Set model PUHY-EP700 PUHY-EP750
PUHY-EP300 PUHY-EP300
Unit 1
PUHY-EP200 PUHY-P250
Set Unit Unit 2
Unit 3 PUHY-EP200 PUHY-EP200
Outdoor Twinning Kit (optional parts)
Indoor unit - Liquid a
ø34.93
Twinning pipe 2 Gas b
Twinning pipe 1 – Liquid c
Twinning pipe 2 Gas d
Liquid
Unit model
e or g or i
P250 ø9.52 (*)
P300 ø12.7
P350 ø12.7 (*)
Twinning pipe - Outdoor unit P400 ø15.88
P450 ø15.88
EP200 ø9.52
EP300 ø12.7
(3) The angle of tilt of the twinning pipe
The angle of tilt of the twinning pipe should be within ±15° with the
ground.
Tilting the twinning pipe more than specified will cause damage to the
unit.
(4) The length of the straight part of the pipe before the twinning
For the twinning kit, always use the accessory piping parts. The length
of the straight part of pipe connected in front of the twinning pipe must
be 500 mm (19 inch) or longer. (Connect the field piping so that the
length of the straight part of pipe connected in front of the twinning pipe
can be 500 mm (19 inch) or longer.)
If the length is less than 500 mm (19 inch), it will cause damage to the
unit.
(5) The piping connection
When connecting the twinning kit to the outdoor unit, note the following:
· If the length of piping from the twinning kit to the outdoor unit is more than 2 m (6 ft), install a trap within 2 m (6 ft) from
the outdoor unit.
The height of the trap must be 200 mm (7 inch) or higher.
<2 m (6 ft) or less>
To Indoor unit
To Indoor unit
2 m (6 ft)
2 m (6 ft)
· When installing the twinning kit in a higher
position than the outdoor unit base, make sure
that the twinning kit is installed in a position
lower than 200 mm (7 inch) from the outdoor
unit base.
Less than
200 mm (7 inch)
MITSUBISHI ELECTRIC MULTI AIR CONDITIONERS OPTIONAL PARTS
CAUTION symbols.
Safety Precautions
WARNING
Install the unit according to this Installation Manual.
• Select appropriate twinning types and sizes of connecting pipes.
If inappropriate types or sizes are connected, the air condition-
ing system cannot deliver the expected performance.
When installing or moving the unit, make sure that
the specified refrigerant (R410A only) is charged into
the refrigerant circuit.
• Any presence of foreign substance or even air can cause
abnormal pressure rise or explosion.
After the installation is completed, make sure that the
refrigerant gas is not leaking.
• If the refrigerant gas leaks into the room, and it is exposed to a
fan heater, space heater, kitchen range, or some other heat
source, it may generate a noxious gas.
CAUTION
Do not touch the refrigerant pipes during and
immediately after operation.
• During and immediately after the operation, the parts of the
refrigerant circuit including the refrigerant piping or the
compressor may be hot or cold, depending on the condition of
the flowing refrigerant. To prevent the risk of frostbite or burns,
do not touch these parts with bare hands.
Twinning kit
Twinning kit
L-shape pipe d (After the twinning)
L-shape pipe d (After the twinning)
Insulation cover
Insulation cover
Twinning a
Twinning a
Pipe b (Before the twinning) Pipe b (Before the twinning)
Pipe c (After the twinning) L-shape pipe d (After the twinning) Insulation cover
OD15.88-ID15.88 OD12.7-ID12.7
OD12.7-ID12.7
L83 L128
OD28.58-ID28.58 OD25.4-ID22.2
OD25.4-ID22.2
L342 L190
OD19.05-ID19.05 OD15.88-ID15.88
OD15.88-ID15.88
L85 L123
OD31.75-ID34.93 OD28.58-ID28.58
OD28.58-ID28.58
L337 L192
OD15.88-ID19.05 OD12.7-ID12.7
OD12.7-ID12.7
L85 L128
OD19.05-ID19.05 OD15.88-ID19.05
OD15.88-ID15.88
L85 L125
OD28.58-ID34.93 OD25.4-ID28.58
OD25.4-ID28.58
L337 L192
OD31.75-ID38.1 OD28.58-ID34.93
OD28.58-ID28.58
L339 L187
PUHY-P1050 PUHY-P1100 PUHY-P1150 PUHY-P1200
PUHY-P400 PUHY-P400 PUHY-P450 PUHY-P450
PUHY-P350
PUHY-P350 PUHY-P350 PUHY-P400
PUHY-P300 PUHY-P350 PUHY-P350 PUHY-P350
CMY-Y300VBK2
ø19.05
ø41.28 (*)
ø19.05
ø34.93
PUHY-EP800 PUHY-EP850 PUHY-EP900
PUHY-EP300 PUHY-EP300 PUHY-EP300
PUHY-EP300 PUHY-EP300
PUHY-EP300
PUHY-EP200 PUHY-P250 PUHY-EP300
CMY-Y300VBK2
ø19.05
ø41.28
ø19.05
ø34.93
Gas
f or h or j
ø22.2
ø22.2
ø28.58
ø28.58
ø28.58
ø19.05
ø22.2
Note: See the following drawing for the fitting position
Note: See the following drawing for the fitting position
of the twinning pipe.
of the twinning pipe.
The angle of tilt of the reducer should be within
The angle of tilt of the reducer should be within
±15° with the ground.
±15° with the ground.
<More than 2 m (6 ft)>
200 mm (7 inch)
200 mm (7 inch)
or over or over
Less than
Less than
2 m (6 ft)
2 m (6 ft)
Outdoor unit 1 Outdoor unit 2 Outdoor unit 3
Outoor unit 1 Outoor unit 2 Outoor unit 3
Twinning 1
Twinning 1
Less than
200 mm
(7 inch)
(2) Accessory piping parts
Section
Model
Liquid
CMY-Y100VBK2
Gas
Liquid
CMY-Y200VBK2
Gas
Liquid
CMY-Y300VBK2
Gas
(3) Field supplied parts
• Field supplied parts that do not come with the twinning kit
• Heat-resistant insulation material (for field piping)
• Insulation cover fixing tape
2. Selecting the Size of the Refrigerant Pipe and How to Use the Twinning Kit
(1) PUHY-P500 – P900, EP400 – EP650
(Outdoor unit × 2)
1 Prepare the pipe to be connected in the field.
2 Select the pipe size for each part from the table below. A (*)
mark after a pipe size indicates that the specified pipe size in
the following table can be obtained by connecting the acces-
sory piping to the twinning kit.
3 Cut the pipe with a pipe cutter and remove the burr. Connect
the pipe after removing any dust or foreign matter.
PUHY-P500 – P900
Set model
Unit 1
Set Unit
Unit 2
Twinning Type
Liquid
Indoor – Twinning
Gas
PUHY-EP400 – EP650
Set model
Outdoor unit 1
Set Unit
Outdoor unit 2
Outdoor Twinning Kit (optional parts)
Indoor unit - Liquid
Twinning pipe Gas
Twinning pipe - Outdoor unit
Pipe c (After the twinning)
Pipe c (After the twinning)
Instruction (2) PUHY-P950 – P1250, EP700 – EP900
(Outdoor unit × 3)
Small
1 Prepare the pipe to be connected in the field.
Large
2 Select the pipe size for each part from the
Small table below. A (*) mark after a pipe size
indicates that the specified pipe size in the
Large
1
following table can be obtained by connecting
(This sheet)
the accessory piping to the twinning kit.
Small
3 Cut the pipe with a pipe cutter and remove the
Small
burr. Connect the pipe after removing any dust
Large or foreign matter.
Large
1
3. Example of a Pipe Connection
PUHY-P1250
See the following drawing for connecting the pipes between the outdoor units.
PUHY-P450
<For 2 outdoor units>
PUHY-P450
PUHY-P350
<For 3 outdoor units>
Field piping
Field piping
Reducer
Reducer
4. Installing the Insulation Cover
After brazing the pipes and the twinning kit, insulate the twinning kit with the insulation cover.
Add insulation materials on all the refrigerant piping, including the field piping. Make sure to insulate the pipes for liquid and gas
separately. When using commercially available insulation material, make sure to use heat-resistant insulation material with heat-
resistant temperature of 120 °C or higher.
Align the edges of the insulation cover and the heat-resistant insulation material so that there will be no gap. Seal also the periphery
and centre of the twinning part with a tape (field supply).
To Indoor unit To Indoor unit
Insulation material
Insulation material
Insulation cover
Insulation cover
(field supply)
(field supply)
Lapped space of taping
Lapped space of taping
Twinning 2
Twinning 2
To Indoor unit To Indoor
unit
3
Supplied pipe
OD12.7-ID9.52 (2) OD15.88-ID12.7
OD22.2-ID28.58 OD22.2-ID19.05 (2)
OD15.88-ID12.7 (2)
OD34.93-ID41.28
OD12.7-ID9.52 OD12.7-ID15.88 (2) OD15.88-ID9.52
OD28.58-ID22.2 (3) OD38.1-ID41.28 (1) OD28.58-ID19.05 (2)
PUHY-P500 PUHY-P550 PUHY-P600 PUHY-P650 PUHY-P700
PUHY-P250 PUHY-P300 PUHY-P350 PUHY-P350 PUHY-P350
PUHY-P250 PUHY-P250 PUHY-P250 PUHY-P300 PUHY-P350
CMY-Y100VBK2
a ø15.88
b ø28.58
PUHY-EP400 PUHY-EP450 PUHY-EP500
PUHY-EP200
PUHY-P250 PUHY-EP300
PUHY-EP200 PUHY-EP200 PUHY-EP200
CMY-Y100VBK2
a ø15.88
b ø28.58
Liquid Gas
Unit model
c or e d or f
P250 ø9.52 (*) ø22.2
P300 ø12.7 ø22.2
P350 ø12.7 (*) ø28.58
P400 ø15.88 ø28.58
P450 ø15.88 ø28.58
EP200 ø9.52 ø19.05
EP300 ø12.7 ø22.2
Outdoor unit 1 Outdoor unit 1
Field piping
Field piping
Twinning kit
Twinning kit
Field piping
Field piping
The length of the straight pipe must
The length of the straight pipe must be
be 500 mm (19 inch) or longer.
500 mm (19 inch) or longer.
Twinning kit
Twinning kit
Field piping Field piping
Twinning kit
The length of the straight pipe must Twinning kit
The length of the straight pipe must
be 500 mm (19 inch) or longer.
be 500 mm (19 inch) or longer.
Field piping
Field piping
Field piping
Field piping
Field piping Field piping
Twinning kit Twinning kit
As the insulation cover
contracts slightly, conduct
taping in the field securely by The insulation cover
shrinks slightly, so wrap the
providing lapped parts as
insulation cover and the
shown in the left, so that no gap
field-installed insulation
will exist on the insulation cover
material securely with tape
and field supply insulation
by overlapping the tape as
material.
shown left.
Tape (field supply)
Tape (field supply)
OD15.88-ID12.7
OD38.1-ID34.93
Outdoor unit 1 Outdoor unit 1 Outdoor unit 2
Outdoor unit 2
e a
e
c a To Indoor unit
c
To Indoor unit
Liquid twinning pipe Liquid twinning pipe
f
f b
d
b
d To Indoor unit To Indoor unit
Gas twinning pipe Gas twinning pipe
PUHY-P750 PUHY-P800 PUHY-P850 PUHY-P900
PUHY-P400 PUHY-P450 PUHY-P450 PUHY-P450
PUHY-P350 PUHY-P350 PUHY-P400 PUHY-P450
CMY-Y200VBK2
ø19.05
ø34.93 ø41.28 (*)
PUHY-EP550 PUHY-EP600 PUHY-EP650
PUHY-EP300 PUHY-EP300 PUHY-P350
PUHY-P250 PUHY-EP300 PUHY-EP300
Outdoor unit 2 Outdoor unit 2 Outdoor unit 3 Outdoor unit 3
g
i i a
g c a To Indoor unit
e c
e To Indoor unit
Liquid 2 twinning pipe
Liquid 1 twinning
Liquid 1 twinning pipe j Liquid 2 twinning pipe
h pipe j b
h d b
f d
f To Indoor unit To Indoor unit
Gas 2 twinning pipe
Gas 1 twinning pipe
Gas 1 twinning pipe Gas 2 twinning pipe
2
Field piping
Field piping
The length of the straight pipe must
be 500 mm (19 inch) or longer.
The length of the straight pipe must
be 500 mm (19 inch) or longer.
Insulation material (field supply)
Insulation material (field supply)
Insulation material
Insulation material
(field supply)
(field supply)
Insulation cover
Insulation cover
Tape (field supply) Tape (field supply)
Tape (field supply)
Tape (field supply)
4