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Daikin EKHWSU300B3V3 [13/16] Technical specifications
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EKUHWBB + EKUHW2WB + EKHWSU150-300B3V3
Domestic hot water tank with option kit for air to water heat pump
system
Installation manual
12
Symptom 4: Continuous water discharge
Technical specifications
Domestic hot water tank specifications
POSSIBLE CAUSES CORRECTIVE ACTION
Cold water inlet pressure. Check the pressure reducing valve.
Replace the pressure reducing valve
if the measured pressure is >2.1 bar.
Temperature and pressure relief
valve.
Check and reset button.
The expansion relief valve is not
functioning properly.
Check for correct operation of the
pressure relief valve by turning the
red knob on the valve counter
clockwise:
• If you do not hear a clacking
sound, contact your local dealer.
• In case the water keeps running
out of the unit, close both the
water inlet and outlet shut-off
valves first and then contact your
local dealer.
EKHWSU150B3V3 EKHWSU200B3V3 EKHWSU300B3V3
Storage capacity 148 l 200 l 285 l
Hot water capacity
(a)
136 l 175 l 252 l
Overall dimensions (Ø×H) 580×1015 mm 580×1265 mm 580×1715 mm
Booster heater
- power supply 230 V 50 Hz 1P 230 V 50 Hz 1P 230 V 50 Hz 1P
- running current 13 A 13 A 13 A
- capacity 3 kW 3 kW 3 kW
Operating pressure / set pressure of the pressure
reducing valve
3.5 bar 3.5 bar 3.5 bar
Maximum primary working pressure (heating side) 2.5 bar 2.5 bar 2.5 bar
Expansion vessel pre-charge pressure 2.5 bar 2.5 bar 2.5 bar
Preset opening pressure of expansion relief valve 8 bar 8 bar 8 bar
Maximum design pressure 10 bar 10 bar 10 bar
Preset opening temperature of temperature and
pressure relief valve
90~95°C 90~95°C 90~95°C
Set opening pressure of temperature
and pressure relief valve
10 bar 10 bar 10 bar
Temperature and pressure relief valve replacement
part number
302810P 302810P 302810P
Connections 3/4" FBSP
(b)
3/4" FBSP
(b)
3/4" FBSP
(b)
Weight
-empty 38 kg 46 kg 60 kg
- when full 188 kg 246 kg 345 kg
Mounting Wall or floor Floor Floor
Supply temperature time
(a)(c)
41.98 min 31.96 min 46.08 min
Maximum water supply pressure 8 bar 8 bar 8 bar
Re-heat time
(a)(d)
41.61 min 31.82 min 45.68 min
Maximum operating temperature of the heating fluid
(a)
80°C 80°C 80°C
Pressure drop through the primary heater
(a)
20 kPa 50 kPa 50 kPa
Primary heating power input(d)
(a)
10.1 kW 17.3 kW 17.1 kW
Primary flow rate
(a)
15 l/min 15 l/min 15 l/min
Standing heat losses
(a)
1.55 kWh/24h 1.77 kWh/24h 2.19 kWh/24h
Corrosion protection: anode Aluminium Aluminium Aluminium
(a) Values according to EN12897:2016.
(b) FBSP = Female British Standard Pipe.
(c) The time it takes to increase the temperature from 10°C to 60°C.
(d) The time it takes to increase 70% of the vessel back up to 60°C.
4P344370-1.book Page 12 Tuesday, April 2, 2013 2:32 PM
4P344370-1B – 2019.08
Rated volume heat exchanger
at
2.3 l 4.4 l 4.4 l
Содержание
- Domestic hot water tank with option kit for air to 1
- Installation manual 1
- Water heat pump system 1
- Accessories 2
- Accessories supplied with the ekhwsu domestic hot water tank 2
- Contents 2
- General information 2
- Installation manual 2
- Introduction 2
- Model identification 2
- Scope of this manual 2
- Accessories supplied with the ekuhw2wb option kit for the domestic hot water tank when the eksolhwav1 option kit is installed 3
- Accessories supplied with the ekuhwbb option kit for the domestic hot water tank 3
- Installation of the ekhwsu domestic hot water tank 3
- Optional equipment 3
- C and excessive water pressure 10 bar in the domestic hot water tank 4
- Do not install heaters without thermal cut outs 4
- Expansion relief valve option kit the pressure relief valve prevents excessive water pressure 8 bar in the water circuit 4
- For ekuhw2wb only secondary thermal protector solenoid 2 way valve the thermal protector will close the solenoid 2 way valve setting 85 c both thermal protectors are activated when the temperature becomes too high when activated the protectors have to be reset on the domestic hot water tank by pressing the red button for access remove the electrical box lid 4
- For ekuhw2wb only thermostat solenoid 2 way valve the thermostat will close the solenoid 2 way valve when the temperature becomes too high setting 79 c 4
- Main components 4
- Notice 4
- Refer to installation of the option kit on the domestic hot water tank on page 9 for connection of other safety devices in accordance with relevant local and national regulations 4
- Safety devices 4
- Switch off the power supply before opening the electrical box lid 4
- The domestic hot tank relief valve connections should not be used for other purposes 4
- The electrical box lid must only be opened by a licensed electrician 4
- Thermal protector the booster heater in the domestic hot water tank is equipped with a thermal protector setting 85 c 4
- Connecting the 3 way valve 5
- Connecting the water circuits 5
- Installation guidelines 5
- Installing the domestic hot water tank 5
- Outlook diagram 5
- Field wiring 7
- Power circuit and cable requirements 7
- Procedure 7
- Thermistor cable 7
- For e d b h l q011 014 016 units only 8
- For ekhbh x units only 8
- Note only relevant field wiring is shown 8
- A1p x9a 9
- For ekcbh x units only for ehbh x units only 9
- X2m 13 14 9
- X2m 8 9 10 9
- Fixed grating 10
- Installation of the option kit on the domestic hot water tank 10
- Piping requirements 10
- Trapped effluent water 10
- After completing the installation 11
- Commissioning 11
- Discharge 11
- Draining 11
- Filling up 11
- Installation procedure of the option kit 11
- Only when installing the ekuhw2wb option kit flow inlet connection 11
- Pre assembly 11
- Water main in 11
- General guidelines 12
- General symptoms 12
- Maintenance 12
- Troubleshooting 12
- Domestic hot water tank specifications 13
- Symptom 4 continuous water discharge 13
- Technical specifications 13
- 14 1 2 x4m 14
- Field wiring diagram 14
- Pressure reducing valve specifications 14
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