Hitachi RAC-70NPD Manual de usuario

PM NO. 0630E

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-70PPD

CONTENTS

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

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

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

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

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

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

BLOCK DIAGRAM ----------------------------------------------------72

BASIC MODE ----------------------------------------------------------74

REFRIGERATING CYCLE DIAGRAM---------------------------88

DESCRIPTION OF MAIN CIRCUIT OPERATION -----------89

SERVICE CALL Q & A --------------------------------------------108

TROUBLE SHOOTING --------------------------------------------145

PARTS LIST AND DIAGRAM ------------------------------------ 146

RAD-70PPD/RAC-70NPD

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-70NPD

(W)

(A)

(kW)

(B.T.U./h)

(W)

(A)

(kW)

(B.T.U./h)

(DUCT TYPE)

TYPE

MODEL

POWER SOURCE

TOTAL INPUT

TOTAL AMPERES

CAPACITY

TOTAL INPUT

TOTAL AMPERES

CAPACITY

DIMENSIONS

(mm)

SPECIFICATIONS

COOLING

INDOOR UNIT

RAD-70PPD

900

270

720

OUTDOOR UNIT

RAC-70NPD

850

800

298

NET WEIGHT (kg)

2,110 (500 ~ 2,700)

9.69 – 8.88

7.00 (1.50 ~ 8.00)

23,880 (5,110 ~ 27,290)

1 Ø, 50/60 Hz, 220-240V

HEATING

2,200 (500 ~ 2,800)

10.10– 9.26

8.00 (1.50 ~ 8.50)

27,290 (5,110 ~ 29,000)

R32)

NO YES

450NR

RAD-70PPD RAC-70NPD

1600g

– 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

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