Panasonic service manual Outdoor Unit CU-2E18NBU, Table Of Contents

Order No: PHAAM1111120A1

Outdoor Unit

CU-2E18NBU

Please file and use this manual together with the service manual for Model No. CS-E9NKUAW CS-E12NKUAW, Order No. PHAAM1111087C1.

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

PRECAUTION OF LOW TEMPERATURE

In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.

TABLE OF CONTENTS

1.	Safety Precautions		3
2.	Specifications		5
	2.1	CU-2E18NBU	5
3.	Dimensions		8
4.	Refrigeration Cycle Diagram		9
5.	Block Diagram		10
6.	Wiring Connection Diagram		11
7.	Electronic Circuit Diagram		12
8.	Printed Circuit Board		13
	8.1	Main Printed Circuit Board	13
	8.2	Noise Filter Printed Circuit Board	14
	8.3	Display Printed Circuit Board	14
9.	Installation Information		15
	9.1	Check Points	15

10. Installation Instruction		16
10.1	Select The Best Location	16
10.2	Install The Outdoor Unit	17
10.3	Connect the Piping	17
10.4	Evacuation of the Equipment	18

10.5Connect The Cable To The Outdoor

		Unit	19
10.6		Heat Insulation	19
11.	Operation Control		20
11.1		Cooling Operation	20
11.2		Heating Operation	21
12.	Simultaneous Operation Control		22
13.	Protection Control		23
13.1		Freeze Prevention control (Cool)	23
13.2		Dew Prevention control (Cool)	23

13.3Electronic Parts Temperature Rise

Protection 1 (Cool) 23

© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011. Unauthorized copying and distribution is a violation of law.