Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CU-2E18NBU service manual šPiping Length Characteristic Heating

Models: CU-2E18NBU

1 57

Page 52

Piping Length Characteristic Heating

[Condition] Room temperature: 68°F (DBT) Operation condition: High fan speed Outdoor temperature: 47°F (DBT), 43°F (WBT) Compressor Freq: Fh

A) Indoor unit capacity: Heating (2.8 + 2.8: CS-E9NKUAW + CS-E9NKUAW), service mode frequency = 65Hz

															208	230
		97.000
	(°F)	96.900
Outlet Air	(°F)
	Temperature	96.800
		96.700
		96.600
		96.600
		96.500
		9	14	19	24	29	34	39	44	49	54	59	64	69	74	79	84
								Piping Length (ft)

	6.100
	6.000
Heating	5.900
Heating	Capacity(kW)
	5.800
	5.700
	9	14	19	24	29	34	39	44	49	54	59	64	69	74	79	84

Piping Length (ft)

Gas Side Piping Pressure (PSI)

104.400

103.400

102.400

101.400

100.400

9	14	19	24	29	34	39	44	49	54	59	64	69	74	79	84
						Piping Length (ft)

	8.600
	8.400
Current	8.200
Current	(A)
	8.000
	7.800
	7.600
	9	14	19	24	29	34	39	44	49	54	59	64	69	74	79	84
							Piping Length (ft)

Page 52

Image 52

Panasonic CU-2E18NBU service manual šPiping Length Characteristic Heating

Contents

TABLE OF CONTENTS Outdoor Unit CU-2E18NBU18. Exploded View and Replacement Parts 16. Disassembly and Assembly InstructionsList 1. Safety Precautions 7.Power supply connection to the air conditioner 2. Specifications 2.1CU-2E18NBUUnit OUTDOOR UNITUnit šMulti split combination possibilityOUTDOOR UNIT Indoor unit combination 3. Dimensions 4. Refrigeration Cycle Diagram 5. Block Diagram 6. Wiring Connection Diagram 7. Electronic Circuit Diagram 8. Printed Circuit Board 8.1Main Printed Circuit Board8.2Noise Filter Printed Circuit Board 8.3Display Printed Circuit Board9.1Check Points 9. Installation Information68.6 - 65.6 ft x 0.2 oz/ft = 0.6 oz 10. Installation Instruction 10.1 Select The Best Location10.2 Install The Outdoor Unit 10.3 Connect the PipingOutdoor Unit Installation Guidelines Gas Leak Checking10.4 Evacuation of the Equipment CUTTING AND FLARING THE PIPING10.5 Connect The Cable To The Outdoor Unit 10.6 Heat Insulation11. Operation Control 11.1 Cooling Operation11.2 Heating Operation 11.2.2Powerful Operation11.2.3Powerful Operation 11.2.1Outdoor fan control12.Simultaneous Operation Control 13.1 Freeze Prevention control Cool 13. Protection Control13.2 Dew Prevention control Cool 13.5 Cooling overload control Cool 13.6 Heating overload control Heat13.9 Time Delay Safety Control Restart Control 13.12 IPM power transistor Protection Control13.8 Deice Control 13.10 30 seconds Force Operation13.15 Valve close detection control 14. Servicing Mode 14.1 CU-2E18NBU14.1.3Wiring Error check 14.1.4Power Save Mode14.1.5Mode priority function 14.1.6Cooling only function15. Troubleshooting Guide 15.1 Self Diagnosis FunctionPage Page 16. Disassembly and Assembly Instructions 16.1 Outdoor Unit Removal Procedure16.1.3Removing the Control P.C. Board 16.1.4Removing the Propeller Fan and Fan MotorPage 17.1 Operation Characteristics 17. Technical DatašCooling Characteristic šCooling Characteristic Compressor Freq FcšPiping Length Characteristic Cooling šPiping Length Characteristic Cooling Condition Room temperature 81F DBT, 66F WBT Operation condition High fan speed Outdoor temperature 95F DBT Compressor Freq FcšHeating Characteristic šHeating Characteristic Condition Room temperature 68F DBT Operation condition High fan speed Piping Length 24.6ft Compressor Freq FhšPiping Length Characteristic Heating šPiping Length Characteristic Heating Condition Room temperature 68F DBT Operation condition High fan speed Outdoor temperature 47F DBT, 43F WBT Compressor Freq Fh17.1.2Two Indoor Unit Operation šCooling CharacteristicCompressor Freq Fc šCooling Characteristic Compressor Freq FcšCooling Characteristic Compressor Freq FcšPiping Length Characteristic Cooling Condition Room temperature 81F DBT, 66F WBT Operation condition High fan speed Outdoor temperature 95F DBT Compressor Freq FcšPiping Length Characteristic Cooling Condition Room temperature 81F DBT, 66F WBT Operation condition High fan speed Outdoor temperature 95F DBT Compressor Freq FcšPiping Length Characteristic Cooling Condition Room temperature 81F DBT, 66F WBT Operation condition High fan speed Outdoor temperature 95F DBT Compressor Freq FcšHeating Characteristic Condition Room temperature 68F DBT Operation condition High fan speed Piping Length 24.6ft Compressor Freq FhšHeating Characteristic Condition Room temperature 68F DBT Operation condition High fan speed Piping Length 24.6ft Compressor Freq FhšHeating Characteristic Condition Room temperature 68F DBT Operation condition High fan speed Piping Length 24.6ft Compressor Freq FhšPiping Length Characteristic Heating Condition Room temperature 68F DBT Operation condition High fan speed Outdoor temperature 47F DBT, 43F WBT Compressor Freq FhšPiping Length Characteristic Heating Condition Room temperature 68F DBT Operation condition High fan speed Outdoor temperature 47F DBT, 43F WBT Compressor Freq FhšPiping Length Characteristic Heating Condition Room temperature 68F DBT Operation condition High fan speed Outdoor temperature 47F DBT, 43F WBT Compressor Freq Fh18. Exploded View and Replacement Parts List REF. NO DESCRIPTION & NAMEQ’TY CU-2E18NBU