Hitachi RAM-52QH5, Service Manual

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RAM-52QH5
RAM-53QH5
NO. 0428E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
OUTDOOR UNIT
AUGUST 2008
Refrigeration & Air-Conditioning Division
SERVICE MANUAL
PM
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 5
INSTALLATION --------------------------------------------------------------------- 14
CONSTRUCTION AND DIMENSIONAL DIAGRAM --------------------- 21
MAIN PARTS COMPONENT --------------------------------------------------- 23
CAPACITY DIAGRAM ------------------------------------------------------------ 25
WIRING DIAGRAM ---------------------------------------------------------------- 33
CIRCUIT DIAGRAM --------------------------------------------------------------- 37
BLOCK DIAGRAM ----------------------------------------------------------------- 43
BASIC MODE ----------------------------------------------------------------------- 45
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 71
DESCRIPTION OF MAIN CIRCUIT OPERATION ----------------------- 75
TROUBLE SHOOTING ---------------------------------------------------------- 106
DISASSEMBLY AND REASSEMBLY --------------------------------------- 113
PARTS LIST AND DIAGRAM ------------------------------------------------- 116
RAM-52QH5
RAM-53QH5
After installation
NOTE:
This manual describes only points that differ from RAF-25, 35,
50NH5, RAD-25, 35NH5, RAD-25, 35NH5 and RAM-80QH5
(TC No. 0771EF), RAI-25, 35NH5 (PM No. 0271E), RAI-50NH5
and RAC-50NH5 (PM No. 0274E), RAK-18, 25, 35NH5 (PM
No. 0269E), RAK-50NH5 and RAC-50NH5 (PM No. 0302E)
for items not described in this manual.
850
650
298
50
(W)
(A)
COOLING CAPACITY
DC INVERTER DUAL AND TRIPLE SYSTEM MULTI
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
SPECIFICATIONS
OUTDOOR UNIT
RAM-52QH5
HEATING CAPACITY
DIMENSIONS (mm)
NET WEIGHT
1ø, 220 - 240V, 50Hz
W
H
D
(kg)
(kW)
(B.T.U.)
REFER TO THE SPECIFICATIONS PAGE
RAM-53QH5