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1D_IM_4PW56114-1.book Page 1 Friday, September 18, 2009 1:50 PM
EKHWS050B3VJU
EKHWS080B3VJU
CONTENTS
Domestic hot water tank
for air to water heat pump system
Page
Installation manual
INTRODUCTION
Introduction........................................................................................ 1
General information ................................................................................... 1
Scope of this manual ................................................................................. 1
Model identification .................................................................................... 1
Accessories ....................................................................................... 1
Accessories supplied with the domestic hot water tank............................. 1
Safety considerations ........................................................................ 2
Installation of the EKHWS domestic hot water tank .......................... 3
Main components....................................................................................... 4
Outlook diagram......................................................................................... 5
Installation guidelines................................................................................. 5
Installing the domestic hot water tank........................................................ 5
Connecting the water circuits..................................................................... 5
Field wiring................................................................................................. 7
Maintenance ...................................................................................... 8
General information
The EKHWS domestic hot water tank with integrated 3 kW electrical
booster heater can be connected to the indoor unit. The domestic hot
water tank is available in 2 sizes: 50 and 80 gallons (200 and
300 litre). These domestic hot water tanks are floor standing models.
Scope of this manual
This installation manual describes the procedure for unpacking,
installing and connecting the EKHWS domestic hot water tank.
Troubleshooting ................................................................................. 9
General guidelines ..................................................................................... 9
General symptoms..................................................................................... 9
Model identification
Technical specifications ..................................................................... 9
Domestic hot water tank specifications...................................................... 9
EK
HWS
050
B
3
VJU
Booster heater voltage
VJU = 1P, 208/230 V
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY
TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE
EQUIPMENT AND HAVE THEM INSTALLED BY A
PROFESSIONAL.
ALL ACTIVITIES DESCRIBED IN THIS MANUAL SHALL
BE CARRIED OUT BY A LICENSED TECHNICIAN.
BE SURE TO WEAR ADEQUATE PERSONEL PROTECTION EQUIPMENT (PROTECTION GLOVES, SAFETY
GLASSES, ...) WHEN PERFORMING INSTALLATION,
MAINTENANCE OR SERVICE TO THE UNIT.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE
AND INFORMATION.
THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED
FOR INDOOR INSTALLATION ONLY AND FOR AMBIENT
TEMPERATURES RANGING 39°F~95°F (4°C~35°C).
Capacity booster heater: 3 kW
Series
Indication of storage capacity in gallons
Hot Water tank Stainless steel
Kit
ACCESSORIES
Accessories supplied with the domestic hot water tank
See figure 1
1
Thermistor + connection wire (39.4 ft) (=12 m)
2
Contactor - circuit breaker assembly
3
Contactor fixing screw
4
Tapping screw
5
Installation manual
6
3-way valve + motor
The English text is the original instruction. Other languages are
translations of the original instructions.
EKHWS050+080B3VJU
Domestic hot water tank for air to water heat pump system
4PW56114-1
Installation manual
1