EHBX11CB9W - Air Conditioning DAIKIN - Free user manual and instructions
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| Product Type | Hydrobox for Air-to-Water Heat Pump System |
| Brand | Daikin |
| Model | EHBX11CB9W |
| Applications | Heating, Cooling, Domestic Hot Water |
| Dimensions (H x W x D) | 900 x 600 x 400 mm |
| Weight | 55 kg |
| Power Supply | 230 V / 50 Hz |
| Max Power Input | 2.0 kW |
| Circulation Pump | High-efficiency, variable speed |
| Expansion Vessel Capacity | 10 L |
| Max Water Temperature | 65 °C |
| Refrigerant | R32 (pre-charged outdoor unit) |
| Control Interface | Wired or wireless remote controller (optional) |
| Noise Level (Indoor) | ≤ 30 dBA |
| Energy Efficiency Class | A++ (heating), A+ (cooling) |
| Maintenance | Clean water filter annually; check system pressure |
| Safety Features | Overheat protection, frost protection, pressure relief valve |
| Installation | Must be installed by qualified technician; requires outdoor unit |
| Spare Parts | Circulation pump, expansion vessel, sensors, PCB |
| Warranty | 2 years (standard), extended available |
| Certification | CE, UKCA, ErP compliant |
Frequently Asked Questions - EHBX11CB9W DAIKIN
What is the Daikin EHBX11CB9W?
The Daikin EHBX11CB9W is a hydrobox (indoor unit) for a Daikin Altherma air-to-water heat pump system. It provides heating, cooling, and domestic hot water for residential applications.
Can I use this hydrobox with any outdoor unit?
No, the EHBX11CB9W is designed to be paired with specific Daikin Altherma outdoor units. Consult the compatibility list in the installation manual.
How do I reset the unit after an error?
Turn off the unit at the main switch, wait 5 minutes, then turn it back on. If the error persists, check the error code on the display and refer to the troubleshooting section of the manual.
What maintenance does the hydrobox require?
Annually clean the water filter and check the system pressure. Every 2 years, inspect the expansion vessel and have a technician check the refrigerant circuit.
What does the error code 'E7' mean?
Error code E7 typically indicates a communication fault between the hydrobox and the outdoor unit. Check wiring connections and ensure the outdoor unit has power.
Can I install the hydrobox outdoors?
No, the EHBX11CB9W is designed for indoor installation only. It must be placed in a dry, frost-free area with sufficient ventilation.
What type of refrigerant does the system use?
The outdoor unit uses R32 refrigerant, which has a low global warming potential. The hydrobox contains no refrigerant; it circulates water/glycol.
How do I connect the remote controller?
The hydrobox supports a wired remote controller (sold separately). Connect it to the CN2 terminals on the PCB using a shielded 2-core cable. Refer to the wiring diagram.
What is the maximum operating water pressure?
The maximum allowed water pressure is 3 bar. The pressure relief valve opens at 3.5 bar. Maintain system pressure between 1 and 2 bar.
Where can I find the serial number?
The serial number is on the rating plate attached to the left side panel of the hydrobox. It is needed for registration and warranty claims.
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USER MANUAL EHBX11CB9W DAIKIN
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Product information
Brand : DAIKIN
Model : EHBX11CB9W
Category : Air Conditioning