NO. 0148E
SERVICE MANUAL
PM
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
SPECIFICATIONS
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 7
HOW TO USE ---------------------------------------------------------------------- 10
CONSTRUCTION AND DIMENSIONAL DIAGRAM --------------------- 35
MAIN PARTS COMPONENT -------------------------------------------------- 37
WIRING DIAGRAM ---------------------------------------------------------------- 39
CIRCUIT DIAGRAM--------------------------------------------------------------- 41
PRINTED WIRING BOARD LOCATION DIAGRAM --------------------- 43
BLOCK DIAGRAM ----------------------------------------------------------------- 49
BASIC MODE ----------------------------------------------------------------------- 51
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 64
DESCRIPTION OF MAIN CIRCUIT OPERATION (INDOOR) -------- 65
DESCRIPTION OF MAIN CIRCUIT OPERATION (OUTDOOR) ---- 71
TROUBLE SHOOTING----------------------------------------------------------- 95
PARTS LIST AND DIAGRAM------------------------------------------------- 110
RAS-20CNHZ2
RAS-30CNHZ2
REFER TO THE FOUNDATION MANUAL
INDOOR UNIT
RAS-20CNHZ2 RAS-30CNHZ2
OUTDOOR UNIT
RAM-50CNHZ2
DC INVERTER DUAL SYSTEM MULTI (WALL TYPE)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
MAY 2002
H.A.P.M.
TYPE
MODEL
1ø, 220V – 230V, 50HzPOWER SOURCE
TOTAL INPUT
TOTAL AMPERES
COOLING CAPACITY
HEATING CAPACITY
DIMENSIONS
NET WEIGHT
(W)
(A)
(kW)
(B.T.U.)
W
H
D
(kg)
(mm)
745
248
175
5.5
850
650
298
43
RAS-20CNHZ2
RAM-50CNHZ2
RAS-30CNHZ2
RAM-50CNHZ2
798
265
168
6.5
REFER TO THE SPECIFICATIONS PAGE 8.
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