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Hitachi RAD-25NH4 User Manual

Hitachi RAD-25NH4
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NO. 0214E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
JUNE 2004
Refrigeration & Air-Conditioning Division
SERVICE MANUAL
PM
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
RAD-25NH4 RAC-25NH4
DC INVERTER (CEILING CASSETTE TYPE)
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TOTAL INPUT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS
750
235
400
19
RAD-25NH4
RAD-40NH4
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 4
HOW TO USE ------------------------------------------------------------------------ 6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------------------- 25
MAIN PARTS COMPONENT --------------------------------------------------- 27
WIRING DIAGRAM ----------------------------------------------------------------- 29
CIRCUIT DIAGRAM ---------------------------------------------------------------- 31
PRINTED WIRING BOARD LOCATION DIAGRAM ---------------------- 37
BLOCK DIAGRAM ------------------------------------------------------------------ 39
BASIC MODE ------------------------------------------------------------------------ 41
REFRIGERATING CYCLE DIAGRAM ---------------------------------------- 55
AUTO SWING FUNCTION ------------------------------------------------------- 57
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------ 58
SERVICE CALL Q & A ----------------------------------------------------------- 89
TROUBLE SHOOTING ------------------------------------------------------------ 92
PARTS LIST AND DIAGRAM ------------------------------------------------- 112
RAD-25NH4/RAC-25NH4
RAD-40NH4/RAC-50NH4
RAC-25NH4
RAC-50NH4
COOLING
HEATING
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
1 PHASE, 50 Hz, 220-240V
720 (220~980)
3.31-3.03
2.50 (1.00 ~ 3.00)
8,540
1,000 (210 ~ 1,280)
4.59-4.21
3.80 (1.10 ~ 4.80)
12,980
750
570
280
38
750
235
400
19
850
650
298
60
1 PHASE, 50 Hz, 220-240V
1,400 (220~1,560)
6.43-5.89
4.00 (1.00 ~ 4.50)
13,660
1,770 (210 ~ 1,920)
8.13-7.45
5.20 (1.10 ~ 5.80)
17,750
RAD-40NH4 RAC-50NH4

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Hitachi RAD-25NH4 Specifications

General IconGeneral
BrandHitachi
ModelRAD-25NH4
CategoryAir Conditioner
LanguageEnglish

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