Hitachi Summit RAC-50YH5, Service Manual

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CONTENTS
SPECIFICATIONS --------------------------------------------------------------4
HOW TO USE -------------------------------------------------------------------6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------------- 30
MAIN PARTS COMPONENT --------------------------------------------- 32
WIRING DIAGRAM ----------------------------------------------------------- 35
CIRCUIT DIAGRAM ---------------------------------------------------------- 39
PRINTED WIRING BOARD LOCATION DIAGRAM---------------- 43
BLOCK DIAGRAM ------------------------------------------------------------ 47
BASIC MODE ------------------------------------------------------------------ 49
REFRIGERATING CYCLE DIAGRAM ---------------------------------- 63
AUTO SWING FUNCTION------------------------------------------------- 64
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------ 65
SERVICE CALL Q & A ----------------------------------------------------- 96
TROUBLE SHOOTING ------------------------------------------------------ 99
PARTS LIST AND DIAGRAM ------------------------------------------- 121
NO. 0364E
SERVICE MANUAL
PM
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
RAS-50FH5/RAC-50YH5
RAS-50FH5
REFER TO THE FOUNDATION MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
FEBRUARY 2007
Refrigeration & Air-Conditioning Division
INDOOR UNIT + OUTDOOR UNIT
RAC-50YH5
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
RAS-50FH5 RAC-50YH5
DC INVERTER (WALL TYPE)
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TOTAL INPUT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS
780
280
220
9.5
COOLING
HEATING
INDOOR UNIT OUTDOOR UNIT
1 PHASE, 50 Hz, 220-240V
1,780 (155 ~ 2,200)
8.14-7.50
5.00 (0.90 ~ 5.20)
17,070 (3,070 ~ 17,740)
3,070 (155 ~ 2,100)
9.00-8.30
6.50 (0.90 ~ 8.10)
22,180 (3,070 ~ 27,640)
850
650
298
45
HITACHI
DC INVERTER
TEMPORARY
SWITCH