Hitachi RAC-18WPD, Service Manual

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SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT
SERVICE MANUAL
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY CONTENTS
After installation
RAR-6N1
INDOOR UNIT
SPECIFICATIONS ------------------------------------------------------------------- 6
HOW TO USE ---------------------------------------------------------------------- 9
CONSTRUCTION AND DIMENSIONAL DIAGRAM --------------------- 29
MAIN PARTS COMPONENT --------------------------------------------------- 30
WIRING DIAGRAM ---------------------------------------------------------------- 31
CIRCUIT DIAGRAM --------------------------------------------------------------- 33
BLOCK DIAGRAM ----------------------------------------------------------------- 35
BASIC MODE ----------------------------------------------------------------------- 36
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 48
DESCRIPTION OF MAIN CIRCUIT OPERATION ----------------------- 51
SERVICE CALL Q & A ----------------------------------------------------------
PROCEDURE FOR DISASSEMBLY AND REASSEMBLY-------------
VARIOUS SETTINGS -----------------------------------------------------------------
RAM-33NP2B
（
PM NO.0581E
）
This manual describes only points that differ from
RAM-40NP2B
（
PM NO.0582E
）
RAM-53NP2B,RAM-53NP3B
（
PM NO.0583E
）
RAM-110NP6B
（
PM NO.0584E
）
RAM-68NP3B
（
PM NO.0585E
）
RAM-70NP4B
（
PM NO.0586E
）
RAM-90NP5B
（
PM NO.0587E
）
PARTS LIST AND DIAGRAM -------------------------------------------------- 91
RAC-18WP D ,RAC-25WPD,RAC-35WPD,RAC-42WPD,RAC-50WPD
（
JCH-WH NO.010 9 E
）
for items not described in this manual.
49
63
73
JCH-WH NO.0108E
Johnson Controls-Hitachi Air Conditioning Wuhu Co., Ltd.
SPECIFICATIONS
RAK-15QPD RAK-25RPD RAK-42RPD
RAC-25WPD RAC-18WPD - RAC-42WPD
RAM-33NP2B - o o
RAM-40NP2B - o o
RAM-53NP2B o o o
RAM-53NP3B o o o
RAM-68NP3B o o o
RAM-70NP4B o o o
RAM-90NP5B o o o
RAM-110NP6B o o
RAK-35RPD RAK-50RPD
RAC-35WPD RAC-50WPD
- o
- o
o o
o o
o o
o o
o o
o o o
RAK-18RPD
o
o
o
o
o
o
o
o
Single outdoor unit
Multi
outdoor unit
Indoor unit
(KW)
(B.T.U./h)
(KW)
(B.T.U./h)
W 750(+65) 792(+85)
H 548 600
D 288(+27.5) 299(+47)
MODEL
POWER SOURCE
TOTAL INPUT (W
TOTAL AMPERES (A)
CAPACITY
COOLING
HEATING
TOTAL INPUT (W
TOTAL AMPERES (A)
CAPACITY
DIMENSIONS
(mm)
1,120 (300 1,700)
32.5
NET WEIGHT
TYPE
DC INVERTER
1 PHASE,50H z ,220-230V
5.10-4.88
4.20 (1.70 5.00)
14,330 (5,800 17,060)
18,430 (5,800 20,470)
5.99-5.73
1,317 (500 2,100)
5.40 (1.70 6.00)
750(+65)
548
288(+27.5)
419 (250 1,010)
32.5
1 PHASE,50H z ,220-230V
2.46-2.35
519 (250 970)
2.93-2.81
8,530 (3,070 10,920)
2.00 (0.90 2.5)
6,820 (3,070 8,530)
2.50 (0.90 3.20)
733 (250 1500)
3.87-3.71
11,600 (3,070 15,010)
8,530 (3,070 10,580)
3.40 (0.90 4.40)
PD
750(+65)
548
288(+27.5)
941 (250 1,460)
32.5
1 PHASE,50H z ,220-230V
4.81-4.60
1,000 (250 1,700)
5.11-4.89
14,330 (3,070 17,060)
3.50 (0.90 4.00)
11,940 (3,070 13,650)
4.20 (0.90 5.00)
1 PHASE,50H z ,220-230V
549 (250 1,290)
3.08-2.95
2.50 (0.90 3.10)
39
792(+85)
600
299(+47)
1,471 (300 2,100)
6.69-6.40
5.00 (1.90 5.20)
17,060 (6,480 17,740)
20,470 (7,510 24,910)
7.09-6.78
1,558 (500 2,750)
6.00 (2.20 7.30)
1 PHASE,50H z ,220-230V
39
RAK-15QPD
RAK-18RPD
RAK-25RPD
RAK-35RPD
RAK-42RPD
RAK-50RPD
RAK-18RPD
RAK-15QPD
RAK-25RPD
RAK-42RPD
RAK-35RPD
RAK-50RPD
RAK-18RPD RAC-18W RAK-25RPD RAC-25WPD RAK-35RPD RAC-35WPD RAK-42RPD RAC-42WPD PD RAK-50RPD RAC-50W
INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT IINDOOR UNIT OUTDOOR UNIT IINDOOR UNIT OUTDOOR UNIT IINDOOR UNIT OUTDOOR UNIT
1
780
280
230
8.5
780
280
230
8.5
780
280
230
8.5
780
280
230
8.5
780
280
230
8.5