NO. 0586E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
OUTDOOR UNIT
FEBRUARY 2015
Refrigeration & Air-Conditioning Division
SERVICE MANUAL
PM
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
CONTENTS
SPECIFICATIONS ------------------------------------------------------ 5
INSTALLATION ---------------------------------------------------------16
CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------20
WIRING DIAGRAM ---------------------------------------------------21
MAIN PARTS COMPONENT --------------------------------------23
CIRCUIT DIAGRAM --------------------------------------------------25
BLOCK DIAGRAM ----------------------------------------------------27
PRINTED WIRING BOARD LOCATION DIAGRAM --------28
BASIC MODE ----------------------------------------------------------33
REFRIGERATING CYCLE DIAGRAM---------------------------53
DESCRIPTION OF MAIN CIRCUIT OPERATION -----------54
TROUBLE SHOOTING ----------------------------------------------65
PARTS LIST AND DIAGRAM --------------------------------------79
After installation
(W)
(A)
COOLING CAPACITY
DC INVERTER FIVE SYSTEM MULTI
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
SPECIFICATIONS
RAM-90NP5B
HEATING CAPACITY
DIMENSIONS (mm)
NET WEIGHT
1ø, 220 - 240V, 50/60Hz
W
H
D
(kg)
(kW)
(B.T.U.)
REFER TO THE SPECIFICATIONS PAGE
OUTDOOR UNIT
RAM-90NP5B
RAM-90NP5B
950
800
370
74
HITACHI
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