Panasonic CU-E9BKP5, CS-E12BKP, CU-E12BKP5 Service Manual
1 Features 2
2 Functions
3
3 Product Specifications
6
4 Dimensions
10
5 Refrigeration Cycle Diagram
12
6 Block Diagram
13
7 Wiring Diagram
14
8 Operation Details
16
9 Operating Instructions
36
© 2001 Matsushita Air-Conditioning Corp. Sdn. Bhd.
(183914D) All rights reserved. Unauthorized copying
and distribution is a violation of law.
CS-E9BKP CU-E9BKP5
CS-E12BKP CU-E12BKP5
10 Installation And Servicing Air Conditioner Using R410A 41
11 Installation Instructions
52
12 Servicing Information
61
13 Technical Data
70
14 Exploded View
73
15 Replaceme nt Parts List
74
16 Exploded View
75
17 Replaceme nt Parts List
76
18 Electronic Circuit Diagram
77
Room Air Conditioner
CONTENTS
Page Page
Order No: MAC0112083C2
Panasonic ilmalämpöpumput korjaa ja huoltaa pääkaupunkiseudulla: Jäähdytinpalvelu RefGroup Oy
www.ilmalämpöpumput.com
•
Product
− Microcomputer-controlled compressor operating
frequency
− Vertical and Horizontal Airflow Directions
− Five modes of operation selection
− Power Mode operation
− Sleep Mode operation
− Delay ON Timer and OFF Timer
− Standby operation
− Remote Controller with illuminable buttons
− Power Monitor Display LED
− Catechin Air Purifying Filter
− Solar Refreshing Deodorizing Filter
•
Serviceability
− Washable Front Panel
− Breakdown Self Diagnosis function
•
Environmental Protection
− Non-ozone depletion substances refrigerant (R410A)
•
Quality Improvement
− Gas leakage detection
− Deice operation
− Auto restart control
1 Features
2
CS-E9BKP CU-E9BKP5 / CS-E12BKP CU-E12BKP5
Panasonic ilmalämpöpumput korjaa ja huoltaa pääkaupunkiseudulla: Jäähdytinpalvelu RefGroup Oy
www.ilmalämpöpumput.com
2 Functions
Remote Control
Operation OFF / ON
OFF/ON
I
Room Temperature Setting
TEMP
Operation Mode Selection
•
a
Automatic Operation
•
HEAT
Heating Operation
•
COOL
Cooling Operation
•
DRY
Soft Dry Operation
•
FAN
Fan Operation
Time / Timer Setting
• Hours and minutes setting.
Clock Setting
• Current time setting.
Sleep Mode Operation OFF / ON
SLEEP
Airflow Direction Control
• 24-hour, OFF / ON Real Timer Setting.
Timer Operation Selection
Timer Operation Set / Cancel
• ON Timer and OFF Timer setting and
cancellation.
CLOCK
Powerful Mode Operation
POWERFUL
• Temperature Setting (16°C to 30°C)
Illuminable
buttons
• Vertical Automatic Airflow
Direction Control and Manual
Airflow Direction Control (5
stages of adjustment).
•
Horizontal Automatic Airflow
Direction Control and Manual
Airflow Direction Control (5
stages of adjustment).
Indoor Fan Speed Selection
FAN SPEED
• Low
• Medium-
• Medium
•
Medium+
•
High
•
AUTO
Automatic Fan Speed
FAN
Check Point
Reset Point
RESET
ON
TIMER
OFF
∧
∨
SET
CANCEL
CHECK
MODE
AIR SWING
• Breakdown self diagnosis function.
• Clear memory data.
3
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Indoor Unit
Automatic Operation Switch
• Press for < 5s to run Automatic Operation.
(Used when the remote control cannot be used.)
• Press continuously for 5s and < 8s to run
Forced Cooling Operation.
• Press continuously for 8s and < 11s to run
Forced Heating Operation.
• Press continuously for 11s and < 16s to
change different remote controlling
setting (A↔B Mode).
• Press continuously for 16s or < 21s to
switch OFF / ON Remote Control
Receiving Sound or H14 Abnormality
Detection Mode.
Operation Indication Lamps (LED)
Sleep Mode
Five Operation Modes
• Automatic, Heating, Cooling, Soft Dry
and Fan Operation.
Delay ON Timer and OFF Timer
Powerful Mode
• For quick cooling or heating.
•
POWER
(Orange) .....
Lights up during
MONITOR
compressor operation.
•
POWER
(Green) ........ Lights up in
operation, blinks in
Automatic Operation
Mode judging and
Hot Start operation.
•
TIMER
(Orange) .......Lights up in Timer
Setting.
Blinks in Self
Diagnosis Control.
•
SLEEP
(Orange)........ Lights up in Sleep
Mode Operation.
•
POWERFUL
(Orange)..Lights up when
Powerful Mode is
selected.
Automatic and 5 Manual Indoor
Fan Speeds
Automatic and 5 Manual Vertical
Airflow Directions
Automatic and 5 Manual Horizontal
Airflow Directions
Automatic Restart Control
• Operation is restarted after power failure
at previous setting mode.
Microcomputer-controlled Room
Temperature Control
4
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Deodorizing Control
Indoor Power Relay Control
Anti-Fog Discharge Control
Anti Freezing Control
Low Pressure Control
(Gas Leakage Detection)
Breakdown Self Diagnosis
Function
Automatic Restart Control
Anti-Cold Draft Control
High Pressure Control
Hot Start
Intake Air Temperature Control
Standby Control
Deice Operation
Outdoor Unit
30 seconds Forced Operation
Time Delay Safety Control
High Pressure Control
Deice Operation
Standby Control
Compressor Overheating
Prevention Control
IPM (Power Transistor)
Overheating Protection Control
Total Running Current Control
Mininum Operation Frequency
Protection Control
**
**
* Details can be refered to OPERATION
DETAILS in this manual.
Low Operation Frequency
Protection Control
Outdoor Air Temperature
Control
5
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3 Product Specifications
Unit CS-E9BKP CU-E9BKP5
Cooling Capacity kW
kcal/h
2.6 (0.60 - 3.00)
2,240 (520 - 2,580)
Heating Capacity kW
kcal/h
3.6 (0.60 - 5.00)
3,100 (520 - 4,300)
Moisture Removal l/h
Pint/h
1.6
(3.4)
Power Source Phase
V
Cycle
Single
230
50
Airflow Method OUTLET
INTAKE
SIDE VIEW TOP VIEW
Air Volume Indoor Air (Lo) m3/min (cfm) Cooling; 6.5 (231) —
Heating; 7.1 (249)
Indoor Air (Me) m3/min (cfm) Cooling; 8.1 (286) —
Heating; 8.8 (312)
Indoor Air (Hi) m3/min (cfm) Cooling; 9.9 (350) —
Heating; 10.6 (374)
dB (A) Cooling; High 39, Low 26 Cooling; 46
Heating; High 40, Low 27 Heating; 47
Noise Level
Power level dB Cooling; High 50 Cooling; High 59
Heating; High 51 Heating; High 60
Electrical Data Input W Cooling; 700 (115 - 880)
Heating; 900 (110 - 1,400)
Running Current A Cooling; 3.3
Heating; 4.0
EER W/W (kcal/hw) Cooling; 3.71(3.20)
COP W/W (kcal/hw) Heating; 4.00 (3.44)
Starting Current A 4.00
Piping Connection Port
(Flare piping)
inch
inch
G ; Half Union 3/8”
L ; Half Union 1/4”
G ; 3-way valve 3/8”
L ; 2-way valve 1/4”
Pipe Size
(Flare piping)
inch
inch
G (gas side) ; 3/8”
L (liquid side) ; 1/4”
G (gas side) ; 3/8”
L (liquid side) ; 1/4”
Drain
Hose
Inner diameter mm 12 —
Length m 0.7 —
6
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Power Cord Length
Number of core-wire
2.1 m
3 c ore wires × 1.0 mm
2
—
—
Dimensions Height inch (mm) 10 - 31/32 (275) 21 - 9/32 (540)
Width inch (mm) 31 - 15/32 (799) 27 - 17/32 (780)
Depth inch (mm) 7 - 27/32 (210) 11 - 7/32 (289)
Net Weight lb (kg) 20 (9.0) 77 (35)
Compressor Type — Involute scroll
Motor Type — Brushless (4-pole)
Rated Output W — 700
Air Circulation Type Cross-flow Fan Propeller Fan
Material AS + Glass Fiber 20% P.P
Motor Type Transistor (4-poles) Induction (6-poles)
Input W — 61.3
Rate Output W 30 25
Fan Speed Lo (Cool/Heat) rpm 800 / 840 —
Me (Cool/Heat) rpm 1,000 / 1,040 —
Hi (Cool/Heat) rpm 1,200 / 1,270 770
Heat Exchanger Description Evaporator Condenser
Tube material Copper Copper
Fin material Aluminium Aluminium
Fin Type Slit Fin Corrugated Fin
Row / Stage (Plate fin configuration, forced draft)
2/15 1/20
FPI 21 19
Size (W × H × L) mm 610 × 315 × 25.4 732.1 × 508 × 22
Refrigerant Control Device — Capillary Tube
Refrigeration Oil (c.c) — RB68A (360)
Refrigerant (R-22) g (oz) — 840 (29.7)
Thermostat Electronic Control —
Protection Device Electronic Control Electronic Control
Length mm — C1, C2 ; 1,100, C3 ; 440
Capillary Tube Flow Rate l/min — C1, C2 ; 5.0, C3 ; 18.6
Inner Diameter mm — C1, C2 ; 1.2, C3 ; 1.7
Air Filter Material
Style
P.P.
Honeycomb
—
Fan Motor Capacitor µF, VAC — 1.8 µF, 400 VAC
•
Specifications are subject to change without notice for further improvement.
7
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Unit CS- E12BKP CU-E12BKP5
Cooling Capacity kW
kcal/h
3.45 (0.60 - 4.00)
2,970 (520 - 3,440)
Heating Capacity kW
kcal/h
4.80 (0.60 - 6.50)
4,130 (520 - 5,590)
Moisture Removal l/h
Pint/h
2.0
(4.2)
Power Source Phase
V
Cycle
Single
230
50
Airflow Method OUTLET
INTAKE
SIDE VIEW TOP VIEW
Air Volume Indoor Air (Lo) m3/min (cfm) Cooling; 7.3 (258) —
Heating; 9.2 (325)
Indoor Air (Me) m3/min (cfm) Cooling; 9.2 (323) —
Heating; 10.3 (360)
Indoor Air (Hi) m3/min (cfm) Cooling; 10.9 (384.4) —
Heating; 11.8 (416.5)
dB (A) Cooling; High 42, Low 29 Cooling; 48
Heating; High 42, Low 33 Heating; 50
Noise Level
Power level dB Cooling; High 53 Cooling; High 61
Heating; High 53 Heating; High 63
Electrical Data Input W Cooling; 950 (120 - 1,280)
Heating; 1,260 (115 - 1,890)
Running Current A Cooling; 4.4
Heating; 5.6
EER W/W (kcal/hw) Cooling; 3.63 (3.13)
COP W/W (kcal/hw) Heating; 3.81 (3.28)
Starting Current A 5.60
Piping Connection Port
(Flare piping)
inch
inch
G ; Half Union 1/2”
L ; Half Union 1/4”
G ; 3-way valve 1/2”
L ; 2-way valve 1/4”
Pipe Size
(Flare piping)
inch
inch
G (gas side) ; 1/2”
L (liquid side) ; 1/4”
G (gas side) ; 1/2”
L (liquid side) ; 1/4”
Drain
Hose
Inner diameter mm 12 —
Length m 0.7 —
Power Cord Length
Number of core-wire
2.1 m
3 core wires × 1.5 mm
2
—
—
8
CS-E9BKP CU-E9BKP5 / CS-E12BKP CU-E12BKP5
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Dimensions Height inch (mm) 10 - 31/32 (275) 21 - 9/32 (540)
Width inch (mm) 31 - 15/32 (799) 27 - 17/32 (980)
Depth inch (mm) 7 - 27/32 (210) 11 - 7/32 (289)
Net Weight lb (kg) 20 (9.0) 81.6 (37)
Compressor Type — Involute scroll
Motor Type — Brushless (4-pole)
Rated Output W — 700
Air Circulation Type Cross-flow Fan Propeller Fan
Material AS + Glass Fiber 20% P.P
Motor Type Transistor (4-poles) Induction (6-poles)
Input W — 65.9
Rate Output W 30 29
Fan Speed Lo (Cool/Heat) rpm 880 / 1,100 —
Me (Cool/Heat) rpm 1,100 / 1,230 —
Hi (Cool/Heat) rpm 1,310 / 1,410 830
Heat Exchanger Description Evaporator Condenser
Tube material Copper Copper
Fin material Aluminium Aluminium
Fin Type Slit Fin Corrugated Fin
Row / Stage (Plate fin configuration, forced draft)
2/15 2/24
FPI 21 17
Size (W × H × L) mm 610 × 315 × 25.4 703.8
735.0
× 504 × 36.4
Refrigerant Control Device — Capillary Tube
Refrigeration Oil (c.c) — RB68A (360)
Refrigerant (R410A) g (oz) — 1,020 (36.0)
Thermostat Electronic Control —
Protection Device Electronic Control Electronic Control
Length mm — C1, C2 ; 1,100, C3 ; 750
Capillary Tube Flow Rate l/min — C1, C2 ; 5.0, C3 ; 15.4
Inner Diameter mm — C1, C2 ; 1.2, C3 ; 1.7
Air Filter Material
Style
P.P.
Honeycomb
—
Fan Motor Capacitor µF, VAC — 2.0 µF, 400 VAC
•
Specifications are subject to change without notice for further improvement.
9
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4 Dimensions
10
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11
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5 Refrigeration Cycle Diagram
12
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6 Block Diagram
13
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7 Wiring Diagram
14
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15
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8.1. BASIC FUNCTION
8 Operation Details
Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes,
automatically adjust output power for maximum comfort always. In order to achieve the suitable operating mode, the
microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature
shifting. The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that
judging the condition according to internal setting temperature and intake air temperature.
8.1.1. Internal Setting Temperature
Once the operation starts, remote controller setting temperature will be taken as base value for tempe rature shifting processes.
These shifting processes are depending on the air conditioner settings and the operation environment. The final shifted value
will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit.
16
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Table (a): Auto Operation Mode Setting
Mode Shift: Temperature Shift (K)
E9BKP E12BKP
Cooling/Soft Dry → Heating -2.0 -2.0
Heating → Cooling/Soft Dry +2.0 +2.0
Table (b): Outdoor Air Temperature Shifting
Mode: Outdoor Temperature, X (°C): Temperature Shift (K)
E9BKP E12BKP
Cooling/Soft Dry X 30 0.0 0.0
X<30 +0.5 +0.5
Heating X 9 0.0 0.0
5 X<9 +0.5 +1.0
1 X<5 +1.0 +1.5
X<1 +1.5 +2.0
Table (c): Powerful Mode Shifting
Mode: Period, X (min): Temperature Shift (K)
E9BKP E12BKP
Cooling X<20 -2.0 -2.0
X 20 0.0 0.0
Soft Dry X<20 -1.0 -1.0
X 20 0.0 0.0
Heating X<20 +3.5 +3.5
X 20 +3.5 +3.5
Table (d): Fan Speed Shifting
Mode: Fan Speed: Temperature Shift (K)
E9BKP E12BKP
Cooling All +1.5 +1.5
Soft Dry All +1.0 +1.0
Heating Lo +1.0 +1.0
Me-, Me, Me+, Hi, Auto +0.5 +0.5
Table (e): Start-Up Shifting
Mode within 60 Minutes from Start-up: Temperature Shift (K)
E9BKP E12BKP
Cooling/Soft Dry -1.0 -1.0
Heating +2.0 +2.0
Table (f): Soft Dry Mode Shifting
Mode: Temperature Shift (K)
E9BKP E12BKP
Soft Dry +1.0 +1.0
17
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8.1.2. Frequency Instruction for Compressor Operation
Operation of compressor is based on instructed frequency, continuously from indoor unit´s microcomputer after performing
temperature sampling and judgment.
There are total 30 different frequency values, which listed as Table on Frequency Number, to be instructed based on the
temperature judgme nt
Table on Frequency Number
No. Frequency (Hz) Remarks
E9BKP E12BKP
1 12.0 12.0 Freq. MIN
2 15.0 15.0
3 18.0 18.0
4 21.0 21.0
5 23.0 23.0
6 25.0 25.0
7 26.0 28.0
8 30.0 32.0
9 33.0 36.0
10 35.0 40.0
11 36.0 44.0
12 38.0 48.0
13 39.0 52.0
14 40.0 57.0
15 47.0 62.0
16 49.0 67.0
17 56.0 68.5
18 58.0 72.0
19 63.0 76.0
20 66.0 80.0
21 70.0 85.0
22 73.0 88.0
23 77.0 91.0
24 80.0 94.0
25 83.0 98.0
26 86.0 102.0
27 87.0 104.0
28 88.0 106.0
29 89.0 108.0
30 90.0 110.0 Freq. MAX
For normal start of operation, including Thermo-OFF, Deice-Resuming, and remote controller ON-OFF starts, the compressor
starts to operate at frequency no. 8, values of 30Hz and 32Hz for E9BKP and E12BKP respectively, for 60 seconds.
The frequency to be judged and instructed, however, starts to judge once the air conditioner operated and the judgment will
continue every 30 seconds until it is stopped by all kinds of compressor off conditions. This judgment is based on the internal
temperature sampling that involving internal setting temperature and intake air temperature.
From the internal sampli ng, the temperature different (intake air temperature - internal setting temperature) will be used to judge
the Zone on which the frequency to be instructed for the initial operation of compressor (refer to Table on Initial Frequency Zone).
Table on Initial Frequency Zone
Temperature, X (K) Zone Freq. No. - E9BKP Freq. No. - E12BKP
(Intake Air - Internal Setting) Cooling Soft Dry Heating Cooling Soft Dry Heating
X -2.5 0 1 4 30 1 4 30
-2.5 < X -1.5 1 1 4 30 1 4 30
-1.5 < X -1.0 2 1 4 10 1 4 10
-1.0 < X -0.5 3 1 4 7 1 4 7
-0.5 < X +1.0 4 4 4 4 4 4 4
+0.5 < X +1.0 5 6 6 1 6 6 1
+1.0 < X +1.5 6 9 7 1 9 8 1
+1.5 < X +2.5 7 15 7 1 15 8 1
X > +2.5 8 15 7 1 15 8 1
After the initial operation, the instructed frequency will change or shift from initial frequency according to the judgment on
temperature different from sampling (refer to the Table on Shifting Frequency Zone).
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Table on Shifting Frequency Zone
Temperature, X (K) Zone Frequency No. Shifting (shifting direction):
(Intake Air - Internal Setting) Cooling Mode / Soft Dry Mode Heating Mode
X -2.5 0 Shift to Freq. MIN (↑) Shift to Freq. MAX (↓)
-2.5 < X -1.5 1 Shift to Freq. MIN (↑) Shift to Freq. MAX (↓)
-1.5 < X -1.0 2 -2 Freq. No. (↑) +2 Freq. No. (↓)
-1.0 < X -0.5 3 -1 Freq. No. (↑) +1 Freq. No. (↓)
-0.5 < X +1.0 4 Same Freq. No. Same Freq. No.
+0.5 < X +1.0 5 +1 Freq. No. (↓) -1 Freq. No. (↑)
+1.0 < X +1.5 6 +2 Freq. No. (↓) -2 Freq. No. (↑)
+1.5 < X +2.5 7 Shift to Freq. MAX (↓) Shift to Freq. MIN (↑)
X > +2.5 8 Shift to Freq. MAX (↓) Shift to Freq. MIN (↑)
Besides, the range of operation frequency will change according to the setting environment as listed below:
Condition: Freq. no. for E9BKP Freq. no. for E12BKP Remarks
MIN MAX MIN MAX
Cooling Mode 1 15 1 30 (a)
- if remote controller set 28°C & fan speed =
Hi
7 15 7 30 (a), (c)
- if remote controller set 28°C & fan speed =
Me-, Me, Me+, Auto
5 15 6 30 (a), (c)
- if remote controller set 28°C & fan speed =
Lo
4 15 5 30 (a), (c)
- if Powerful Mode ON 7 15 7 30 (a), (c)
Soft Dry Mode 4 7 4 8
Heating Mode 1 16 1 30 (b)
- if remote controller set 18°C & fan speed =
Hi
10 16 10 30 (b), (d)
- if remote control set 18°C & fan speed =
Me-, Me, Me+, Auto
9 16 9 30 (b), (d)
- if remote controller set 18°C & fan speed =
Lo
8 16 8 30 (b), (d)
- if Powerful Mode ON 10 16 10 30 (b), (d)
Remark:
(a) If frequency shifts up from MAX, the following frequency performed will be depending to outdoor temperature, as given in below table (for
30 seconds only) and then continues as normal rule.
Outdoor Temperature, X (°C) Frequency No.
X 30 13
X<30 7
(b) (If frequency shifts up from Freq. No. 17, the following frequency performed is as below (for 30 seconds only) and then continue as normal
rule.
Outdoor Temperature, X (°C) Frequency No.
X 10 10
X X<10 13
X<4 17
(c) When temperature different (intake - setting) < -1.0 K or Thermo-Off activated and only valid for 120 seconds; not applicable during Sleep
Mode, Soft Dry Mode, and Anti-freezing control.
(d) When temperature different (intake - setting) > +1.5 K or Thermo-Off activated and only valid for 130 seconds.
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The frequency judgment will perform every 30 seconds. Nevertheless, the frequency is instructed to outdoor compressor after
every 90 seconds except when either one of the below conditions is met:
(a) The frequency judged changes from frequency number decreasing zones (Zone No. 0 or 1 or 2 or 3) to frequency number
increasing zones (Zone No. 5 or 6 or 7 or 8) and vice verse.
(b) The frequency judged falls on frequency shifting zone number 0 or 1 (shift to Frequency MIN).
(c) The frequency judged falls on frequency shifting zone number 4 (no shifting in frequency number).
(d) The frequency judged falls on frequency shifting zone number 7 or 8 (shift to Frequency MAX).
The instructed frequency is the value referred by the frequency number, which resulted from previous instructed frequency
number with the numbers of frequency numbers to be shifted, in Table on Frequency Number.
Time (s) 0 30 60 90 120 150 180 210 240 270 300 330
Zone (+/-) + + + + + +/- + - - +/- +
Freq. zone based on temp. diff. 8 7 7 6 6 6 4 5 3 1 4 5
Frequency shift Max Max +2 +2 +2 0 +1 -1 Min 0 +1
Freq. no. judged based on
previous
15 30 30 17 17 17 15 16 14 5 4 6
Freq. instruction (Y/N) & its
condition
Y (a) Y (a) Y (b) N N Y (c) Y (d) N Y (e) Y (f) Y (d) N
Freq. control condition (g) (g) (h) (h) (i)
Instructed freq. 8 8 15 15 15 14 5 5 5
Operation freq. 8 8 15 15 15 15 15 15 14 5 5 5
Note:
(a) Starting frequency.
(b) Frequency judged falls on Zone 7 or 8 (shift to Frequency MAX).
(c) 90 seconds frequency instruction limit.
(d) Frequency judged falls on Zone 4 (no shifting).
(e) Frequency no. changes from no. increasing zones to no. decreasing zones.
(f) Frequency judged falls on Zone 0 or 1 (shift to Frequency MIN).
(g) Normal initial operation starts (60 s).
(h) Maximum frequency for normal cooling operation
(i) Minimum frequency for normal cooling operation.
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8.1.3. Indoor Fan Motor Operation
There are 31 fan speed numbers assigned for different fan speed operation at designed conditions, as shown in below table. The
fan speed can be set manually using remote control (5 speeds for cooling mode: Lo, Me-, Me, Me+, Hi; 5 speeds for heating: Lo,
Me-, Me, Me+, Shi) or let it automatically changes depending on the operation and its environment.
Fan
Speed
No.
CS-E9BKP CS-E12BKP Remark
Voltage
(V)
Cooling Dry Heating Voltage
(v)
Cooling Dry Heating
0 OFF OFF OFF OFF OFF OFF - Hot start control.
- Deice control.
1
2 3.03 3.03
3 3.05 SLo 3.05 SLo - Soft Dry operation mode.
- ON timer pre-operation (D).
- Sleep shift operation (D).
4 3.13 3.13 - Auto operation mode judgment (C/D).
- ON timer preparation sampling (C/D).
5 3.15 3.23 - Auto operation mode judgment (H).
- ON timer preparation sampling (H).
- Sleep shift operation at compressor off.
6 3.16 Lo 3.29 Lo - Sleep shift operation (C).
- ON timer pre-operation at Auto fan (C).
7 3.23 Lo 3.34 - ON timer pre-operation at Auto fan for E9BKP
(H).
8 3.24 3.40
9 3.31 Me- 3.44 Me-
10 3.36 3.53
11 3.39 Me- 3.60 Me - Powerful Mode at Lo fan for E123BKP (C).
12 3.44 3.63
13 3.47 Me 3.66 Lo - Powerful Mode at Lo fan for E9BKP (C).
- ON timer pre-operation at Auto fan for E12BKP
(H).
14 3.55 Me 3.68 - Powerful Mode at Lo fan for E9BKP (H).
15 3.57 3.71
16 3.60 3.75 Me17 3.63 Me+ 3.77 Me+ - Powerful Mode at Me- fan (C).
18 3.66 3.83
19 3.68 3.85
20 3.71 3.86 Me - Powerful Mode at Lo fan for E12BKP (H).
21 3.73 Me+ 3.91 - Powerful Mode at Me- fan for E9BKP (H).
22 3.77 3.94
23 3.79 3.98 Me+ - Powerful Mode at Me- fan for E12BKP (H).
24 3.80 4.00
25 3.82 Hi 4.00 Hi - Powerful mode at Me, Me+ or Hi fan (C).
26 3.85 4.01
27 3.89 4.05
28 3.90 4.08
29 3.91 4.11
30 3.93 SHi 4.16 SHi - Powerful mode at Me, Me+ or Hi fan (H).
31 4.07 4.30
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8.1.4. Cooling Mode Automatic Indoor Fan Speed
The automatic fan speed for cooling operation is as shown in below patterns (a → b → c →→h) with each pattern 10 seconds.
The fan speed for each level (X or Y or Z) is as below table.
Model No. E9BKP E12BKP
Level X Y Z X Y Z
Normal Operation Fan Speed No. 11 9 7 10 9 7
Powerful Mode Fan Speed No. 13 11 9 12 10 9
(a) During cooling operation, if all the following conditions occur, indoor fan speed will be shifted to Shi internally.
(i) Indoor intake air temperature
24°C.
(ii) Instructed frequency = 39 Hz (E9BKP) or 52 Hz (E12BKP).
(iii) Remote controller setting temperature = 16°C.
(iv) Remote controller setting fan speed = Hi.
(v) Outdoor air temperature
30°C.
(vi) Operation starts
30 minutes.
8.1.5. Heating Mode Indoor Fan Motor Operation (Anti Cold draft Control)
Indoor fan speed varies in accordance to indoor heat exchanger temperature, based on type of air volume and direction, as shown
below.
1. Manual Fan Speed
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2. Auto Fan Speed
Note:
a. UP:
• If move from Lo-, the fan speed will be shifted to Maximum.
• If move from Maximum, the fan speed no change.
• Other than that, the fan speed will be increased one Fan Speed No.
b. DOWN:
• The fan speed will be decreased one Fan Speed No.
c. Fix:
• No change in fan speed.
d. Maximum:
• Fan speed will be increased to maximum auto fan speed.
e. Temperature in ( ) is for Powerful Mode operation.
8.1.6. Outdoor Fan Motor Operation
Outdoor fan motor is operated with one fan speed only. It starts when compressor starts operation and it stops 30 seconds after
compressor stops operation.
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8.1.7. Airflow Direction
1. There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes).
2. Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature
and intake air temperature) and manual (angles of direction can be adjusted using remote controller).
Vertical Airflow
Operation Mode Airflow Direction Vane Angle (°)
1 2 3 4 5
Heating Auto, with Heat Exchanger A 17
Temperature B 58
C 7
Manual 7 17 33 49 67
Cooling, Soft Dry and Fan Auto 7~37
Manual 7 17 25 33 41
Mode Judgment in Auto Auto 7
Manual 7 17 25 33 41
1. Automatic vertical airflow direction can be set using remote controller; the vane swings up and down within the angles as
stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as
Figure 1 below. When the air conditioner is stopped using remote controller, the vane will shift to close position.
2. Manual vertical airflow direction can be set using remote controller; the angles of the vane are as stated above and the
positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote controller, the vane will shift
to close position.
Horizontal Airflow
1. Automatic horizontal airflow direction can be set using remote controller; the vane swings left and right within the angles as
stated below. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as
Figure 1 below.
Operation Mode Vane Angle (°)
Heating, with heat exchanger temperature A 55 ~ 125
B 90
Cooling, Soft Dry and Fan 55 ~ 125
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2. Manual horizontal airflow direction can be set using remote controller; the angles of the vane are as stated below and the
positions of the vane are as Figure 2 above.
Pattern 1 2 3 4 5
Airflow Direction
Patterns at Remote
Controller
Vane Angle (°) 90 55 70 110 125
8.1.8. Automatic Mode Operation
This mode can be set using remote controller and the operation is decided by remote controller setting temperature, indoor intake
air temperature and outdoor air temperature.
During operation mode judgment, indoor fan motor (with speed of Lo-) and outdoor fan motor are running for 20 seconds to detect
the indoor intake and outdoor air temperature. The operation mode is decided based on below chart.
Values of T1, T2, and T3 depend on remote controller setting temperature, as shown in below table. After the adjustment of T1,
T2 and T3 values, the operation mode for that particular environment and remote controller setting is judged and performed, based
on the above operation mode chart, every 30 minutes. Heating mode operation will be performed, however, if deice operation is
detected.
Remote Controller Setting Temperature (°C) T1 T2 T3
16 ~ 18 +10 +8 -5
19 ~ 22 +8 +7 -7
23 ~ 26 +7 +6 -7
27 ~ 30 +6 +5 -8
There is a temperature shifting on T1, T2, and T3 if the operation mode judged is changed from Cooling/Soft Dry to Heating or vice
verse.
Operation Mode change from Temperature shifts (K)
Cooling/Soft Dry→Heating -2
Heating→Cooling/Soft Dry +2
Example of operation mode chart adjustment:
From the above table, if remote controller setting temperature = 25,
T1 = 25 + 7 = 32; T2 = 25 + 6 = 31; T3 = 25 - 7 = 18
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The operation mode chart for this example is as shown in below figure and the operation mode to be performed will depend on
indoor intake air temperature and outdoor air temperature at the time when the judgment is made.
8.1.9. Sleep Mode Operation
1. Sleep Mode operation starts by pressing the button at remote controller and the operation last for a maximum of 10 hours. The
Sleep Shift operation starts when the intake air temperature = internal setting temperature or one hour after Sleep Mode
operation starts
2. For Cooling Mode or Soft DryMode operations, during Sleep Shift operation, indoor fan motor will operate at Lo speed and SLo
speed respectively. The internal setting temperature is shifted as stated in below figure and table.
Condition Shifting Temperature (°C)
Remote Controller Setting
Temperature (°C)
Outdoor Air
Temperature (°C)
Cooling Mode Soft Dry Mode
A B C A B C
26 <25 +2 +3.0 +4.0 +5.0 +1.5 +2.0 +3.0 +4.0
25 +2 +3.0 +3.5 +4.0 +1.5 +2.0 +2.5 +3.0
27 <25 +2 +3.0 +4.0 +4.0 +1.5 +2.0 +3.0 +3.0
25 +2 +3.0 +3.5 +4.0 +1.5 +2.0 +2.5 +3.0
28 — +2 +3.0 +3.0 +3.0 +1.5 +2.0 +2.0 +2.0
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3. For Heating Mode operation, during Sleep Shift operation, indoor fan motor will operate at Lo- speed. The internal setting
temperature is shifted as stated in below figure and table.
Remote Controller Setting Fan Speed Shifting Temperature (°C)
A B C
Lo -1.0 -1.0 -5.0 -4.0
Me-, Me, Me+, Hi, Auto -0.5 -0.5 -4.5 -3.5
8.2. Protection Control Features
8.2.1. Delay ON Timer Control
This control is applicable to all kinds of operation mode.
Delay ON timer can be set using remote controller, the unit with timer set will start operate earlier than the setting time. This is to
provide a comfortable environment when reaching the set ON time.
Seventy minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 20 seconds to determine
the indoor intake air temperature and outdoor air temperature in order to judge the operation mode.
From the above judgment, the decided operation will start operate earlier than the set time as shown below.
8.2.2. OFF Timer Control
This control is applicable to all kinds of operation mode.
OFF timer can be set using remote controller, the unit with timer set will stop operate at set time.
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