Call Your Sales Agent Immediately If Any Of The; Following Symptoms Occur Specià Cations - Hitachi TAW-270NH2A Operation Manual

AFTER-SALES SERVICES
CALL YOUR SALES AGENT IMMEDIATELY IF ANY OF THE FOLLOWING SYMPTOMS OCCUR
If the unit still fails to operate normally after making the inspections in the Troubleshooting section, close the
water 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 him
regarding the defect phemomena.
Symptoms
O Breakers trip and fuses blow frequently.
O If foreign matter or water has was accidentally introduced into the interior of the unit.
O
Cables are hot or the wire coating is damaged.
O
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)
O
There is water in the leak water receiver in the hot-water tank.
The heat exchanger in the hot-water tank has failed.
O
Water is leaking from the tank or from pipes (The hot water tank unit is not operating normally.)
O
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 Á uctuation may occur.
This is of no consequence. The conditions of the local power supply companies are to be observed.
SPECIFICATIONS
MODEL NAME
POWER SOURCE
MAXIMUM CURRENT
TANK NOMINAL VOLUME (Vn)
SETTING TEMPERATURE OF THE PERFORMANCE BELOW
COPt
REFERENCE 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
SOUND LEVEL
WATER TANK RATED PRESSURE
OUTSIDE AIR OPERATING TEMPERATURE
TEMPERATURE SETTING RANGE
IP PROTECTION RATING
REFRIGERANT (GWP 2000)
REFRIGERANT CIRCUIT PRESSURE (MAX)
TANK MATERIAL
ANTI-CORROSION
W
DIMENSIONS
H
D
NET WEIGHT
TEST CONDITION : EN16147 (INDOOR AMBIANT AIR 20°C – OUTSIDE AIR 7°C – TAPPING CYCLE XL)
SOUND TEST STANDARD: JISZ8731
TANK UNIT
TAW-270NH2A
–
A
dm 3 262
°C
–
°C
3
dm /40°C
h : min
kWh
W
kW
–
dB(A)
0.7
MPa
–
°C
°C
–
IPX1
–
MPa
– STAINLESS STEEL SUS304
–
–
mm 600
mm 1,570
mm 730
kg
63 (DRY)
– 26 –
OUTDOOR UNIT
RAW-25NH2A
1ø 230V 50Hz
16
–
53
3.09
53.3
375I
6 : 20
3.84
30
2
46
–
–15~37
40~65
IPX4
R410a 0.95kg
4.15
–
–
750
570
280
38