Hitachi RAS-E14H2A - User Manual

SM0027
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
SERVICE MANUAL
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)
DC INVERTER (WALL TYPE)
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
CAPACITY
TOTAL INPUT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS
RAS-E14H2A
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 4
HOW TO USE ----------------------------------------------------------------------- 5
CONSTRUCTION AND DIMENSIONAL DIAGRAM --------------------- 15
MAIN PARTS COMPONENT --------------------------------------------------- 17
WIRING DIAGRAM ---------------------------------------------------------------- 19
CIRCUIT DIAGRAM --------------------------------------------------------------- 20
BLOCK DIAGRAM ----------------------------------------------------------------- 22
BASIC MODE ----------------------------------------------------------------------- 23
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 29
DESCRIPTION OF MAIN CIRCUIT OPERATION ----------------------- 30
SERVICE CALL Q & A ---------------------------------------------------------- 58
TROUBLE SHOOTING ----------------------------------------------------------
-------------------------
- 61
Procedure for Disassembly and Reassembly 88
PARTS LIST AND DIAGRAM ----------------------------------------------- 90
RAS-E14H2A/RAC-E14H2
RAC-E14H2
COOLING
HEATING
OUTDOOR UNIT INDOOR UNIT
780
280
210
9.5
548
35
1 PHASE, 50 Hz, 220-230V
1,090 (155 ~ 1,460)
5.22-4.99
3.50 (0.90 ~ 4.00)
11,940 (3,070 ~ 13,650)
1,110 (115 ~ 1,440)
5.32-5.09
4.20 (0.90 ~ 5.00)
14,330 (3,070 ~ 17,060)
After installation
RAS-E14H2A RAC-E14H2
750 (+91)
288 (+47)
FEBRUARY 2008 Hitachi Household Appliances(Wuhu) Co.,Ltd.
08A395_RAS_35YH6_000cover_E 2008.03.10, 15:281

Hitachi RAS-E14H2A Specifications

General

Brand	Hitachi
Model	RAS-E14H2A
Category	Air Conditioner
Language	English

Summary

SPECIFICATIONS

SAFETY AND HANDLING PROCEDURES

REPAIR AND SEMICONDUCTOR SAFETY

Essential safety guidelines for repair and semiconductor handling.

OPERATIONAL AND GENERAL SAFETY

Safety measures for unit operation, installation, and maintenance.

UNIT FUNCTIONS AND OPERATION

NAMES AND FUNCTIONS OF PARTS

Identification and description of indoor, outdoor unit, and remote controller parts.

VARIOUS OPERATIONAL MODES

Details on automatic, heating, dehumidifying, cooling, and fan operations.

TIMER SETTINGS

Instructions for setting off-timer, on-timer, and on/off-timer functions.

MAINTENANCE AND SERVICE

ROUTINE MAINTENANCE

Procedures for air filter cleaning and unit maintenance.

CIRCUIT DIAGRAMS AND COMPONENTS

Wiring, circuit, and block diagrams, plus main parts information.

TROUBLESHOOTING GUIDE

Step-by-step procedures for diagnosing and resolving unit issues.

ASSEMBLY AND DISASSEMBLY PROCEDURES

INDOOR UNIT DISASSEMBLY

Step-by-step guide for disassembling the indoor unit.

OUTDOOR UNIT DISASSEMBLY

Step-by-step guide for disassembling the outdoor unit.