1 - Hitachi Air Conditioning Products

AFTER-SALES SERVICESCALL YOUR SALES AGENT IMMEDIATELY IF ANY OF THE FOLLOWING SYMPTOMS OCCURIf the unit still fails to operate normally after making the inspections in the Troubleshooting section, close thewater heater shutoff valve and turn off the breaker before calling your sales agent.Inform your agent of the model of your unit, production number, date of installation. Please also inform himregarding the defect phemomena.Symptoms● Breakers trip and fuses blow frequently.● If foreign matter or water has was accidentally introduced into the interior of the unit.● Cables are hot or the wire coating is damaged.● The control panel displays the following error codes:EO ** is blinking (the tank unit is not operating normally)E1** is blinking (the outdoor unit is not operating normally)*In the event of an outdoor unit failure (E1** is blinking) emergency operation can be used for a limited time(Refer to page 19)● There is water in the leak water receiver in the hot-water tank.The heat exchanger in the hot-water tank has failed.● Water is leaking from the tank or from pipes (The hot water tank unit is not operating normally.)● Water output is poor (The outdoor unit is not operating normally.)The strainer in the pressure reducing valves for water works has become clogged.NOTE:Heating operation start, particularly when the room light is dimmed, a sight brightness fluctuation may occur.This is of no consequence. The conditions of the local power supply companies are to be observed.SPECIFICATIONSMODEL NAMETANK UNITTAW-270NH2OUTDOOR UNITRAW-25NH2POWER SOURCEMAXIMUM CURRENT–A1ø 230V 50Hz16TANK NOMINAL VOLUME (Vn)dm3270 –SETTING TEMPERATURE OF THE PERFORMANCE BELOWCOPtREFERENCE HOT WATER TEMP. ( wr)MAXIMUM QUANTITY OF HOT WATER (Vmax)HEATING UP TIME(th)HEATING UP ENERGY INPUT(Weh)STAND BY EFFECTIVE POWER INPUT(Pes)ELECTRIC HEATER°C–°Cdm3/40°Ch : minkWhWkW553.00544306 : 004.3802SOUND LEVELdB(A)– 46WATER TANK RATED PRESSUREMpa0.7 –OUTSIDE AIR OPERATING TEMPERATURE°C– –15~37TEMPERATURE SETTING RANGE°C40~65IP PROTECTION RATING–IPX1IPX4REFRIGERANT–R410 1.00kgREFRIGERANT CIRCUIT PRESSURE (MAX)MPa4.15TANK MATERIAL–STAINLESS STEEL –ANTI-CORROSION–– –Wmm590 750DIMENSIONS Hmm1,792 570Dmm720 280NET WEIGHTkg69 (DRY) 38TEST CONDITION : EN255-3 (INDOOR AMBIENT AIR 20°C, OUTSIDE AIR 7/6°C, WATER 15 55°C)– 26 –TAW-270NH2 (2).indd 266/3/10 10:30 AM