NO. 0401E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT
MARCH 2008
Refrigeration & Air-Conditioning Division
SERVICE MANUAL
PM
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
RAI-25NH5A
DC INVERTER (CEILING CASSETTE TYPE)
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TOTAL INPUT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS
580
285
580
20
RAI-ECPM
RAI-25NH5A
RAI-35NH5A
RAI-50NH5A
CONTENTS
SPECIFICATIONS ---------------------------------------------------------- 4
HOW TO USE -------------------------------------------------------------- 6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ------------------- 27
MAIN PARTS COMPONENT -------------------------------------------- 28
WIRING DIAGRAM ------------------------------------------------------- 29
CIRCUIT DIAGRAM ------------------------------------------------------ 31
BLOCK DIAGRAM -------------------------------------------------------- 35
BASIC MODE ------------------------------------------------------------- 37
REFRIGERATING CYCLE DIAGRAM ----------------------------------- 51
AUTO SWING FUNCTION ----------------------------------------------- 53
DESCRIPTION OF MAIN CIRCUIT OPERATION --------------------- 54
SERVICE CALL Q & A --------------------------------------------------- 58
TROUBLE SHOOTING --------------------------------------------------- 62
PARTS LIST AND DIAGRAM ------------------------------------------- 66
RAI-25NH5A
RAI-35NH5A
RAI-50NH5A
COOLING
HEATING
INDOOR UNIT
1 PHASE, 50 Hz, 220-240V
RAI-50NH5A
NOTE:
This manual describes only points that differ from
RAK-18NH5, 25NH5, 35NH5 (PM NO. 0269E) and
RAM-40QH5 (PM NO. 0270E) for items not described
in this manual.
REFER TO THE SPECIFICATIONS PAGE (5)
RAI-35NH5A
To Next Page
