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  9. Hitachi RAD-50PPD User manual

Hitachi RAD-50PPD User manual

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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)
W
H
D
(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
35
OUTDOOR UNIT
RAC-50NPD
INDOOR UNIT
RAD-60PPD
OUTDOOR UNIT
RAC-60NPD
850
750
298
50
850
750
298
50
900
270
720
35
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
!