In case of using the existing pipes for R22, be careful with
the followings.
· Change flare nut to the one provided with this product.
Use a newly flared pipe.
· Avoid using thin pipes.
Make sure that the inside and outside of refrigerant piping is clean and it has no contamination
such as sulfur hazardous for use, oxides, dirt,
shaving particles, etc.
In addition, use pipes with specified thickness.
Contamination inside refrigerant piping can cause deterioration of refrigerant oil etc.
Store the piping to be used during installation
indoors with keep both ends sealed until just
before brazing.
(Store elbows and other joints in a plastic bag.)
Use ESTR , ETHER or HAB as the lubricant to
coat flares and flange connection parts.
If large amount of mineral oil enters, that can cause
deterioration of refrigerant oil etc.
Use liquid refrigerant to seal the system.
If gas refrigerant is used to seal the system, the composition
of the refrigerant in the cylinder will change and performance
may drop.
Do not use a refrigerant other than R407C.
If another refrigerant (R22, etc.) is used, the chlorine in the
refrigerant may cause the lubricant deterioration.
Use a vacuum pump with a reverse flow check valve.
The vacuum pump oil may flow back into the refrigerant
cycle and cause the lubricant deterioration.
If dust, dirt, or water enters the refrigerant cycle,
deterioration of the oil and compressor trouble may result.
Ventilate the room if refrigerant leaks during
operation. If refrigerant comes into contact with
a flame, poisonous gases will be released.
2
[1] Cautions for service
·After recovering all the refrigerant in the unit, proceed to working.
·Do not release refrigerant in the air.
·After completing the repair service, recharge the cycle with the specified amount of
liquid refrigerant.
[2] Refrigerant recharging
(1) Refrigerant recharging process
1Direct charging from the cylinder
·R407C cylinder are available on the market has a syphon pipe.
·Leave the syphon pipe cylinder standing and recharge it.
(By liquid refrigerant)
Unit
Gravimeter
(2) Recharge in refrigerant leakage case
·After recovering the all refrigerant in the unit, proceed to working.
·Do not release the refrigerant in the air.
·After completing the repair service, recharge the cycle with the specified amount of
liquid refrigerant.
[3] Service tools
Use the below service tools as exclusive tools for R407C refrigerant.
No. Tool name Specifications
1Gauge manifold ·Only for R407C
·Use the existing fitting SPECIFICATIONS. (UNF7/16)
·Use high-tension side pressure of 3.43MPa·G or over.
2Charge hose ·Only for R407C
·Use pressure performance of 5.10MPa·G or over.
3 Electronic scale
4Gas leak detector ·Use the detector for R134a or R407C.
5Adapter for reverse flow check ·Attach on vacuum pump.
6Refrigerant charge base
7Refrigerant cylinder ·For R407C ·Top of cylinder (Brown)
·Cylinder with syphon
8Refrigerant recovery equipment
33
Cautions for units utilizing refrigerant R410A
Use new refrigerant pipes.
In case of using the existing pipes for R22, be careful with
the followings.
· Change flare nut to the one provided with this product.
Use a newly flared pipe.
· Avoid using thin pipes.
Make sure that the inside and outside of refrigerant piping is clean and it has no contamination
such as sulfur hazardous for use, oxides, dirt,
shaving particles, etc.
In addition, use pipes with specified thickness.
Contamination inside refrigerant piping can cause deterioration of refrigerant oil etc.
Store the piping to be used during installation
indoors and keep both ends of the piping sealed
until just before brazing. (Leave elbow joints, etc.
in their packaging.)
If dirt, dust or moisture enters into refrigerant cycle, that can
cause deterioration of refrigerant oil or malfunction of compressor.
Use ester oil, ether oil or alkylbenzene oil (small
amount) as the refrigerant oil applied to flares
and flange connections.
If large amount of mineral oil enters, that can cause deterioration of refrigerant oil etc.
Do not use refrigerant other than R410A.
If other refrigerant (R22 etc.) is used, chlorine in refrigerant can cause deterioration of refrigerant oil etc.
Use a vacuum pump with a reverse flow check
valve.
Vacuum pump oil may flow back into refrigerant cycle and
that can cause deterioration of refrigerant oil etc.
Use the following tools specifically designed for
use with R410A refrigerant.
The following tools are necessary to use R410A refrigerant.
If dirt, dust or moisture enters into refrigerant cycle, that can
cause deterioration of refrigerant oil or malfunction of compressor.
Do not use a charging cylinder.
If a charging cylinder is used, the composition of refrigerant will change and the efficiency will be lowered.
Charge refrigerant from liquid phase of gas
cylinder.
If the refrigerant is charged from gas phase, composition
change may occur in refrigerant and the efficiency will be
lowered.
Ventilate the room if refrigerant leaks during
operation. If refrigerant comes into contact with
a flame, poisonous gases will be released.
4
[1] Cautions for service
(1) Perform service after recovering the refrigerant left in unit completely.
(2) Do not release refrigerant in the air.
(3) After completing service, charge the cycle with specified amount of refrigerant.
(4) When performing service, install a filter drier simultaneously.
Be sure to use a filter drier for new refrigerant.
[2] Additional refrigerant charge
When charging directly from cylinder
· Check that cylinder for R410A on the market is syphon type.
· Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)
Unit
Gravimeter
[3] Service tools
Use the below service tools as exclusive tools for R410A refrigerant.
No. Tool name Specifications
1Gauge manifold ·Only for R410A
·Use the existing fitting
·Use high-tension side pressure of 5.3MPa·G or over.
2Charge hose ·Only for R410A
·Use pressure performance of 5.09MPa·G or over.
3 Electronic scale
4Gas leak detector ·Use the detector for R134a, R407C or R410A.
5Adaptor for reverse flow check ·Attach on vacuum pump.
6Refrigerant charge base
7Refrigerant cylinder ·Only for R410A ·Top of cylinder (Pink)
·Cylinder with syphon
8Refrigerant recovery equipment
specifications
. (UNF1/2)
5
3
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACKDAY
MONITOR/SET
CLOCK
ON/OFF
Temperature setting buttons
Down
Up
Timer Menu button
(Monitor/Set button)
Mode button (Return button)
Set Time buttons
Back
Ahead
Timer On/Off button
(Set Day button)
Opening the
lid
ON/OFF button
Fan Speed button
Filter button
(<Enter> button)
Test Run button
Check button (Clear button)
Airflow Up/Down button
Louver button
( Operation button)
To return operation
number
Ventilation button
( Operation button)
To go to next operation
number
Built-in temperature sensor
PART NAMES AND FUNCTIONS
Indoor Unit
Horizontal Air Outlet
Auto Air Swing Vane
Disperses airflow up and
down and adjusts the angle
of airflow direction.
Guide vane
Air flow can be changed to horizontal
by moving the Guide vane to the left or right.
Filters
Remove dust and pollutants
Returns air from room.
Air intake
from return air.
Wired remote controller
Once the controllers are set, the same operation mode can be repeated by simply pressing the ON/OFF button.
6
Wired remote controller
Display Section
For purposes of this explanation,
all parts of the display are shown
as lit. During actual operation, only
the relevant items will be lit.
Identifies the current operation
Shows the operating mode, etc.
*Multilanguage display is available.
“Centrally Controlled” indicator
Indicates that operation from the
remote controller has been prohibited by a master controller.
“Timer is Off” indicator
Indicates that the timer is off.
Temperature Setting
Shows the target temperature.
Day-of-Week
Shows the current day of the week.
Time/Timer Display
Shows the current time, unless the simple or Auto Off
timer is set.
If the simple or Auto Off timer is set, the time to be
switched off is shown.
TIME SUN MON TUE WED THU FRI SAT
TIMER
AFTER
ERROR CODE
°F°C
Hr
AFTER
°F°C
ONLY1Hr.
Up/Down Air Direction indicator
The indicator shows the direction
of the outcoming airflow.
“One Hour Only” indicator
Displayed if the airflow is set to
low or downward during COOL
or DRY mode. (Operation varies
according to model.)
The indicator goes off in one hour,
when the airflow direction also
changes.
Room Temperature display
Shows the room temperature. The room
temperature display range is 8-39.
The display blinks if the temperature
is less than
Louver display
Indicates the action of the swing louver.
Does not appear if the louver is not
running.
(Power On indicator)
Indicates that the power is on.
ON
OFF
FUNCTION
FILTER
WEEKLY
AUTO OFF
8 or 39
SIMPLE
or more.
“Sensor” indication
Displayed when the remote controller
sensor is used.
“Locked” indicator
Indicates that remote controller buttons have been locked.
“Clean The Filter” indicator
To be displayed on when it is time to
clean the filter.
Timer indicators
The indicator comes on if the corresponding timer is set.
Fan Speed indicator
Shows the selected fan speed.
Ventilation indicator
Appears when the unit is running in
Ventilation mode.
Note:
●
“PLEASE WAIT” message
This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure.
“NOT AVAILABLE” message
●
This message is displayed if an invalid button is pressed (to operate a function that the indoor unit does not have).
If a single remote controller is used to operate multiple indoor units simultaneously that are different types, this message will not be displayed as
far as any of the indoor units is equipped with the function.
77
4
SPECIFICATIONS
4-1. SPECIFICATION
Item
Power
Cooling capacity
Heating capacity
Cooling
Input
Heating
Cooling
Current
Electric characteristic
(munsell symbol)
Dimensions
Heating
Exterior
Height
Width
Depth
Heat exchanger
Fan × No
Air flow 3
External
static pressure
F a n
Fan motor
output
Insulator
Air filter
Pipe
dimensions
Gas
side
Liquid
side
Field drain pipe size
Noise level 3
Product weight
Hz
V
·
kW
kW
kW
kW
A
A
—
mm
mm
mm
—
—
G/min
Pa
kW
—
—
:mm(in.)
:mm(in.)
:mm
dB
kg
PMFY-P20VBM-E
PMFY-P20VBM-E
PMFY-P20VBM-E#2
PMFY-P25VBM-E
1
PMFY-P25VBM-E
PMFY-P25VBM-E#2
Single phase 220V-230V-240V 50Hz / 220V 60Hz
2.2
2.5
0.042
0.042
0.20
0.20
2.8
3.2
0.044
0.044
0.21
0.21
Unit : Galvanized sheets · Standard grilles : ABS resin acrylic coating
Munsell <0.98Y 8.99/0.63> (PMFY-P·VBM-E
8.7-8.0-7.2-6.5
PP honey comb fabric
O.D.26 (PVC pipe VP-20 connectable)
35-33-30-27
230<30>
812<1,000>
395<470>
Cross fin
Line flow fan × 1
9.3-8.6-8.0-7.3
Polyethylene sheet
12.7(1/2")
6.35(1/4")
37-36-34-32
PMFY-P32VBM-E
PMFY-P32VBM-E
1
PMFY-P32VBM-E#2
(1)) / <6.4Y 8.9/0.4> (PMFY-P·VBM-E#2)
0
0.028
14<3.0>
Note 1. Rating conditions (JIS B 8615-1)
Cooling: Indoor: D.B. 27°C W.B. 19°C
outdoor: D.B. 35°C
Heating: Indoor: D.B. 20°C
outdoor: D.B. 7°C W.B. 6°C
Note 2. The number indicated in < > is for the grille.
W 3. Air flow and the noise level are indicated as High – Middium1 – Middium2 – Low.
PMFY-P·VBM-A series enables to take fresh air from outside. When taking fresh air, the duct fan is used.
The air capacity should be 20% or less of the air flow SPEC(Hi).
250288.5
108
90
W
122
100
W
Unit : mm
4-W2.8
Fresh air intake hole
(Knockout)
Service Ref.
Air flow
(Hi)
PMFY-P20VBM-E
PMFY-P20VBM-E
PMFY-P20VBM-E#2
1
8.7m3/min
PMFY-P25VBM-E
PMFY-P25VBM-E
PMFY-P25VBM-E#2
1
9.3m3/min
PMFY-P32VBM-E
PMFY-P32VBM-E
PMFY-P32VBM-E#2
1
9.3m3/min
PMFY-P40VBM-E
PMFY-P40VBM-E
PMFY-P40VBM-E#2
1
10.7m3/min
Operation in conjunction with duct fan (Booster fan)
Whenever the indoor unit is operating, the duct fun
operates.
(1)Connect the optional multiple remote controller
adapter(PAC-SA88HA-E) to the connector CN51 on
the indoor controller board.
(2)Drive the relay after connecting the 12V DC relay
between the Yellow and Orange connector lines.
(w)Use a relay of 1W or smaller.
MB: Electromagnetic switch power relay for duct fan.
X: Auxiliary relay (12V DC LY-1F)
Fresh air intake hole
(Knockout)
Air capacity from outside
Max 1.74m3/min
Max 1.86m3/min
Max 1.86m3/min
Max 2.14m3/min
Green
CN51
on
indoor unit
board
5
1
Connector (5P)
Indoor unit side
Multiple remote
controller adapter
PAC-SA88HA-E
Indoor controller board
Be sure to secure insulation
material by tape, etc.
Yellow
Orange
Red
Brown
~
MB
Installation at site
Be sure to secure insulatio
material by tape, etc.
Distance between indoor
controller board and relay
must be within 10m.
How to read curves
Q
Duct characteristics
at site
A
B
A
EC
AD
0
Q
Qa
Curve in the
right graphs
Q
Multiple remote
controller adapter
PAC-SA88HA-E
Q…Designed amount of fresh air intake
A…Static pressure loss of fresh air
C
intake duct system with air flow
amount Q <Pa>
B…Forced static pressure at air condi-
tioner inlet with air flow amount Q
C…Static pressure of booster fan with
air flow amount Q <Pa>
D…Static pressure loss increase amount
of fresh air intake duct system for air
flow amount Q <Pa>
E…Static pressure of indoor unit with air
flow amount Q <Pa>
Qa…Estimated amount of fresh air
intake without D <m3/min>
<m3/min>
<Pa>
50.0
0.0
-50.0
Static pressure (Pa)
-100.0
0.00.51.0
Characteristic diagram of fresh air taken capacity
Air flow (m
3
/min)
CN51
2 intakes
1 intake
1.52.02.5
10
4-4. NOISE CRITERION CURVES
PMFY-P20VBM-E
PMFY-P20VBM-E1
PMFY-P20VBM-E#2
90
NOTCH
High
Medium1
Medium2
Low
SPL(dB)
35
33
30
27
LINE
PMFY-P25VBM-E
PMFY-P32VBM-E
PMFY-P25VBM-E
1
PMFY-P32VBM-E1
PMFY-P25VBM-E#2
PMFY-P32VBM-E#2
90
NOTCH
High
Medium1
Medium2
Low
SPL(dB)
37
36
34
32
LINE
80
70
60
50
40
30
20
APPROXIMATE THRESHOLD OF HEARING
FOR CONTINUOUS NOISE
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
10
631252505001000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
PMFY-P40VBM-E
PMFY-P40VBM-E1
PMFY-P40VBM-E#2
90
NOTCH
High
Medium1
Medium2
Low
SPL(dB)
39
37
35
33
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
LINE
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
NOISE
10
CEILING
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
631252505001000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
UNIT
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
631252505001000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
11
1.5m
MICROPHONE
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