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Daikin EKHWSU300B3V3 [4/16] Main components
![Daikin EKHWSU300B3V3 [4/16] Main components](/views2/1788889/page4/bg4.png)
Installation manual
3
EKUHWBB + EKUHW2WB + EKHWSU150-300B3V3
Domestic hot water tank with option kit for air to water heat pump
system
Main components
1 Hot water connection
2 Temperature and pressure relief valve
3 Electrical box
4 Electrical box lid
5 Recirculation hole
6 Thermistor socket
7 Flow inlet connection
8 Heat exchanger coil
9 Threaded thermistor hole for use with solar kit option.
Refer to the installation manual of the EKSOLHWAV1
option kit.
10 Return outlet connection
11 Cold water connection
12 Only in case of installing the EKSOLHWAV1 option kit
Cable hole to fit PG nipple and nut for use with solar kit
option. Refer to the installation manual of the
EKSOLHWAV1 option kit.
13 Cable hole to fit PG nipple and nut into for cable
connections of booster heater, power supply and thermal
protection cable.
14 Only in case of installing the EKSOLHWAV1 option kit.
Cable hole to fit PG nipple and nut into for cable
connections of solenoid valve. Refer to the installation
manual of the EKSOLHWAV1 option kit.
15 Only in case of installing the EKSOLHWAV1 option kit.
Cable hole to fit PG nipple and nut into for cable
connections of solenoid valve power supply and solar
pump power supply. Refer to the installation manual of the
EKSOLHWAV1 option kit.
16 Electrical booster heater
17 Anode for corrosion protection
Safety devices
Thermal protector — The booster heater in the domestic hot
water tank is equipped with a thermal protector (setting 85°C).
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).
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).
Temperature and pressure relief valve
The temperature and pressure relief valve prevents excessive
water temperature (>95°C) and excessive water pressure
(≥10 bar) in the domestic hot water tank.
Expansion relief valve (option kit)
The pressure relief valve prevents excessive water pressure
(≥8 bar) in the water circuit.
C
15
14
13
12
16
2
17
1
3
R
4
7
10
1
1
8
5
6
9
F
H
The domestic hot tank relief valve connections should
not be used for other purposes.
Do not install heaters without thermal cut-outs.
The electrical box lid must only be opened by a
licensed electrician.
Switch off the power supply before opening the
electrical box lid.
NOTICE
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.
4P344370-1.book Page 3 Tuesday, April 2, 2013 2:32 PM
4P344370-1B – 2019.08
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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