Hitachi RAD-50PPD User manual

PM NO. 0629E

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

ROOM AIR CONDITIONER

INDOOR UNIT + OUTDOOR UNIT

SEPTEMBER 2017

Refrigeration & Air-Conditioning Division

SERVICE MANUAL

REFER TO THE FOUNDATION MANUAL

TECHNICAL INFORMATION

FOR SERVICE PERSONNEL ONLY

RAD-50PPD

RAD-60PPD

CONTENTS

SPECIFICATIONS ------------------------------------------------------ 5

HOW TO USE ---------------------------------------------------------- 8

CONSTRUCTION AND DIMENSIONAL DIAGRAM ---------52

MAIN PARTS COMPONENT --------------------------------------55

WIRING DIAGRAM ---------------------------------------------------57

CIRCUIT DIAGRAM --------------------------------------------------62

BLOCK DIAGRAM ----------------------------------------------------71

BASIC MODE ----------------------------------------------------------73

REFRIGERATING CYCLE DIAGRAM---------------------------83

DESCRIPTION OF MAIN CIRCUIT OPERATION -----------84

SERVICE CALL Q & A --------------------------------------------103

TROUBLE SHOOTING --------------------------------------------106

PARTS LIST AND DIAGRAM ------------------------------------ 141

RAD-50PPD/RAC-50NPD

RAD-60PPD/RAC-60NPD

After installation

WIRELESS REMOTE

CONTROLLER

(SPX-RCKA1)

WIRED REMOTE

CONTROLLER

(SPX-RCDA)

WIREDREMOTE

CONTROLLER

(SPX-WKT3)

※

For SPX-WKT3, Please refer to it’s

own manual.

OPTIONAL

RAC-50NPD

RAC-60NPD

(W)

(A)

(kW)

(B.T.U./h)

(W)

(A)

(kW)

(B.T.U./h)

(kg)

(DUCT TYPE)

TYPE

MODEL

POWER SOURCE

TOTAL INPUT

TOTAL AMPERES

CAPACITY

TOTAL INPUT

TOTAL AMPERES

CAPACITY

DIMENSIONS

(mm)

NET WEIGHT

SPECIFICATIONS

COOLING

INDOOR UNIT

RAD-50PPD

900

270

720

OUTDOOR UNIT

RAC-50NPD

INDOOR UNIT

RAD-60PPD

OUTDOOR UNIT

RAC-60NPD

850

750

298

850

750

298

900

270

720

1,420 (300 ~ 2,500)

6.52 – 5.98

5.00 (1.20 ~ 5.80)

17,060 (4,090 ~ 19,780)

1 Ø, 50/60 Hz, 220-240V 1 Ø, 50/60 Hz, 220-240V

1,710 (300 ~ 2,600)

7.85 – 7.20

6.00 (1.20 ~ 6.50)

20,470 (4,090 ~ 22,170)

HEATING

1,570 (300 ~ 2,650)

7.21 – 6.61

6.00 (1.20 ~ 6.80)

20,470 (4,090 ~ 23,200)

1,840 (300 ~ 2,650)

8.45 – 7.74

7.00 (1.20 ~ 8.00)

23,880 (4,090 ~ 27,290)

R32)

NO YES

450NR

– 7 –

Figure showing the installation of Outdoor unit

●The difference in height

between the indoor and

outdoor unit should be

kept max 20m.

●The connecting pipe,

no matter big or small,

should all be insulated

with insulation pipe and

then wrapped with vinyl

tape. (The insulator will

deteriorate if it is not

wrapped with tape).

The connection of insulated

drain hose.

Please use insulated drain

hose for the indoor piping

(commercial product).

The indoor piping should

be insulated with the

enclosed insulation

pipe. (If the insulator is

insufﬁcient, please use

commercial products).

Be sure to

completely

seal any gap

with putty. above 100mm

above 300mm

about

400mm

must not bend

Maximum pipe length 30m

Minimum pipe length 3m

above 200mm above 100mm

give

clearance

as wide as

possible

above 100mm

above 700mm above 200mm

inner diameter ø 16mm

Refrigerant piping

must be protected

from physical

damage. Install a

plastic cover or

equivalent.

Flare connection only at outside

of building

WARNING

This manual suits for next models

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