Hitachi RAS-09CH1 Service Manual

SERVICE MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
SPECIFICATIONS
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
COOLING
CAPACITY
TOTAL INPUT
HEATING
TOTAL AMPERES
CAPACITY
DIMENSIONS
NET WEIGHT
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
NOVEMBER 1997
RAS-07CH1
RAS-09CH1
RAC-07CHV1
RAC-09CHV1
COOLING UNIT
RAS-07CH1
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(KW)
(BTU/H)
W
H
(mm)
D
(kg)
COOLING UNIT + CONDENSING UNIT
PM
RAS-07CH1/RAC-07CHV1
RAS-09CH1/RAC-09CHV1
REFER TO THE FOUNDATION MANUAL
SPECIFICATIONS ------------------------------------------------------------------- 5
CONSTRUCTION AND DIMENSIONAL DIAGRAM ----------------------- 6
NAMES AND FUNCTIONS OF EACH PART ------------------------------- 7
MAIN PARTS COMPONENT --------------------------------------------------- 20
WIRING DIAGRAM ----------------------------------------------------------------- 22
WIRING DIAGRAM OF THE PRINTED WIRING BOARD ------------- 24
BASIC MODE ------------------------------------------------------------------------ 31
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------ 35
AUTO SWING FUNCTION ------------------------------------------------------ 40
SERVICE CALL Q & A ----------------------------------------------------------- 41
DIAGNOSIS CHART FOR BREAK-DOWN --------------------------------- 46
REFRIGERATION CYCLE ------------------------------------------------------- 56
PARTS LIST AND DIAGRAM --------------------------------------------------- 57
WALL TYPE
CONDENSING UNIT
RAC-07CHV1
1 Ø, 220 - 240 V, 50 Hz
680 - 730
3.2 - 3.1
2.05 - 2.05
7,000 - 7,000
630 - 685
3.0 - 2.9
2.30 - 2.30
7,850 - 7,850
785 700
265 570
168 210
7 26
NO. 0079E
CONTENTS
COOLING UNIT CONDENSING UNIT
RAS-09CH1 RAC-09CHV1
870 - 925
4.1 - 4.1
2.50 - 2.50
8,500 - 8,500
860 - 920
4.0 - 4.0
2.94 - 3.00
10,000 - 10,200
785 700
265 570
168 210
7 26
H.A.P.M.