Hitachi RAC-E14H2 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 RAC-E14H2 Specifications

General

Brand	Hitachi
Model	RAC-E14H2
Category	Air Conditioner
Language	English

Summary

SPECIFICATIONS AND BASIC OPERATION

MODEL SPECIFICATIONS

Details electrical and capacity specifications for the RAS-E14H2A/RAC-E14H2 models.

SAFETY PRECAUTIONS

General safety guidelines for operating and maintaining the unit.

HOW TO USE

Instructions for basic operation and important precautions during use.

NAMES AND FUNCTIONS OF EACH PART

Identifies and explains the functions of various parts of the indoor and outdoor units.

BASIC OPERATION MODES

Details the fundamental operating modes like fan, cooling, heating, and auto.

TECHNICAL DIAGRAMS AND COMPONENTS

CONSTRUCTION AND DIMENSIONAL DIAGRAM

Provides detailed diagrams and dimensions for the indoor and outdoor units.

MAIN PARTS COMPONENT

Lists specifications for key components like thermostats and fan motors.

WIRING AND CIRCUIT DIAGRAMS

Illustrates electrical connections, wiring, and detailed circuit schematics.

BLOCK DIAGRAM

Provides a high-level overview of the system's functional blocks and their interconnections.

REFRIGERATING CYCLE DIAGRAM

Illustrates the refrigerant flow for cooling, dehumidifying, and defrosting operations.

MAINTENANCE AND TROUBLESHOOTING

MAINTENANCE PROCEDURES

Procedures for cleaning air filters and front panels, and preparation for long-term storage.

SERVICE CALL Q & A

Provides solutions for common operational problems and failure indications.

TROUBLE SHOOTING GUIDE

Comprehensive guide for diagnosing and resolving unit malfunctions.

IPM (Intelligent Power Module) DIAGNOSIS

Provides diagnostic procedures for the Intelligent Power Module using a multimeter.

PARTS LIST AND DIAGRAM

Provides detailed diagrams and lists of all parts for the indoor and outdoor units.