Panasonic CS-VG120KE User manual

©1999 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
CS-VG120KE
CU-VG120KE
Room Air Conditioners
Order number RAC9911057C2

1 Features 2
2 Functions 3
2.1. REMOTE CONTROL 3
2.2. INDOOR UNIT 4
2.3. OUTDOOR UNIT 6
3 Product Specifications 7
4 Dimensions 9
4.1. CS-VG120KE (INDOOR UNIT) 9
4.2. CU-VG120KE (OUTDOOR UNIT) 10
5 Refrigeration Cycle Diagram 11
6 Block Diagram 12
7 Wiring Diagram 13
8 Operation Details (FUNCTIONS) 14
8.1. TEMPERATURE SHIFT 14
8.2. COOLING OPERATION 15
8.3. SOFT DRY OPERATION 17
8.4. HEATING OPERATION 18
8.5. FAN OPERATION 22
8.6. AUTOMATIC OPERATION 22
8.7. INDOOR FAN SPEED CONTROL 24
8.8. OUTDOOR FAN CONTROL 27
8.9. AIRFLOW DIRECTION 27
8.10. QUIET OPERATION 28
8.11. POWERFUL MODE OPERATION 28
8.12. SLEEP MODE OPERATION 29
8.13. DELAY ON TIMER CONTROL 30
8.14. AUTO RESTART CONTROL 30
8.15. POWER MONITOR DISPLAY 31
8.16. REMOTE CONTROL SIGNAL RECEIVING SOUND
ON/OFF 31
8.17. INDOOR POWER RELAY CONTROL 31
9 Operation Details (PROTECTION) 32
9.1. PROTECTION CONTROL FOR ALL OPERATIONS 32
∙ Product
− − −
− Powerful Mode for quick cool/heat
− − −
− Compressor operating frequency control to maintain
desired room temperature
− − −
− Automatic Restart after power failure
− − −
− Battery weak indication mark at remote control
− − −
− Washable front panel
− − −
− Power Monitor Display
∙ Serviceability
− − −
− Self diagnosis
− − −
− Test Run at both Cooling and Heating rated frequency
∙ Quality Improvement
− − −
− High power supply voltage protection
− − −
− Low power supply voltage protection
9.2. PROTECTION CONTROL FOR COOLING & SOFT DRY
34
9.3. PROTECTION CONTROL FOR HEATING OPERATION
36
10 Installation And Servicing Air Conditioner Using R410A 37
10.1. OUTLINE 37
10.2. TOOLS FOR INSTALLING/SERVICING REFRIGERANT
PIPING 38
10.3. REFRIGERANT PIPING WORK 42
10.4. INSTALLATION, TRANSFERRING SERVICING 44
11 Installation Information 48
11.1. ATTACHED ACCESSORIES 48
11.2. SELECT THE BEST LOCATION 48
11.3. INDOOR/OUTDOOR UNIT INSTALLATION DIAGRAM 49
12 Servicing Information 50
12.1. TROUBLESHOOTING 50
12.2. SELF DIAGNOSIS DISPLAY 53
12.3. REMOTE CONTROL 55
12.4. DISASSEMBLY OF PARTS 56
13 Technical Data 62
13.1. OPERATION CHARACTERISTICS 62
14 Electronic Circuit Diagram 63
14.1. HOW TO USE ELECTRONIC CIRCUIT DIAGRAM 63
14.2. TIMER TABLE 64
14.3. CS-VG120KE ( INDOOR UNIT ) 65
14.4. CU-VG120KE ( OUTDOOR UNIT ) 67
15 Printed Circuit Board 69
15.1. CS-VG120KE ( INDOOR UNIT ) 69
15.2. CU-VG120KE ( OUTDOOR UNIT ) 71
16 Exploded View & Replacement Parts List 73
16.1. CS-VG120KE 73
16.2. CU-VG120KE 75
17 Electronic Parts List 77
− − −
− Gas leakage detection
CONTENTS
Page Page
1 Features
2
CS-VG120KE / CU-VG120KE

2 Functions
2.1. REMOTE CONTROL
3
CS-VG120KE / CU-VG120KE

2.2. INDOOR UNIT
4
CS-VG120KE / CU-VG120KE

5
CS-VG120KE / CU-VG120KE

2.3. OUTDOOR UNIT
6
CS-VG120KE / CU-VG120KE

3 Product Specifications
Unit CS-VG120KE CU-VG120KE
Cooling Capacity kW
Btu/h
3.45(0.90 3.85)
11,800 (3,100 13,100)
Heating Capacity kW
Btu/h
4.8 (0.78 6.30)
14,300 (2,700 20,500)
Moisture Removal /h
Pint/h
2.0
4.2
Power Source Phase
V
Cycle
Single
230
50
Airflow Method
Air Volume Indoor Air(Lo) m / min(cfm) Cooling ; 7.4(261)
Heating ; 7.6(268)
-
Indoor Air(Me) m / min(cfm) Cooling ; 8.1(286)
Heating ; 8.3(293)
-
Indoor Air(Hi) m/ min(cfm) Cooling ; 9.3(328)
Heating ; 9.8(346)
-
Outdoor Air m / min(cfm) -Hi; 24.5(865) Low; 21.5(759)
Noise Level dB(A) Cooling ; High 41,Low 37
heating ; High 41,Low 37
Cooling ; 48
Heating ; 51
Electrical
Data
Input kW Cooling ; 1.91(0.27 1.46)
Heating ; 1.6(0.25 2.00)
Running Current ACooling ; 5.4 (max.6.9)
Heating ; 7.0 (max.9.0)
COP Cooling ; 2.9
Heating ; 3.0
Starting Current A 5.9
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 x 1.5mm
-
-
Dimensions Height inch(mm) 11 - 7/16(290) 25 - 25/32(655)
Width inch(mm) 31 - 15/32(799) 21 - 1/4(540)
Depth inch(mm) 6 - 29/32(175) 9 - 23/32(247)
Net Weight lb(kg) 18(8.0) 90(41)
Compressor Type - Scroll
(1 cylinder)
Motor Type -Brushless(4-poles)
Rated Output W - 650
Air Circulation Type Cross-flow Fan Propeller Fan
Material AS+Glass Fiber 30 AES+Giass Fiber 12
Motor Type Transiator(4-poles) Induction(4-poles)
Input W - 71
rated Output W 20 30
Fan
Speed
Low rpm 1,200 1,025
Medium rpm 1,310 -
High(heating) rpm 1,500(1,550) 1,165
Heat
Exchange
description Evaporator Condenser
Tube material Copper Copper
Fine material Aluminium Aluminium
Fine type Slit Fin Corrugated Fin
Row/Stage (Plate fin configuration,forced draft)
2/12 2/24
FPI 21 17
Size(W x H x L) mm 600 x 252 x 25.4 673 x 504 x 18.2
615 x 504 x 18.2
Refrigerant Control Device - Expansion Valve
refrigeration Oil (c.c) - RB88A(290)
Refrigerant(R410A) g(oz) - 850(30)
Thermostat Electronic Control -
Protection Device Electronic Control
7
CS-VG120KE / CU-VG120KE

Unit CS-VG120KE CU-VG120KE
Air Filter Material
style
P.P
Honeycomb
-
Capacity Control Expansion valve
Fan motor Capacitor µF,VAC - 1.8µF,400VAC
∙ Specifications are subject to change without notice for further improvement.
8
CS-VG120KE / CU-VG120KE

4 Dimensions
4.1. CS-VG120KE (INDOOR UNIT)
9
CS-VG120KE / CU-VG120KE

4.2. CU-VG120KE (OUTDOOR UNIT)
10
CS-VG120KE / CU-VG120KE