EBHQ006BAV3 Installation manual Unit for air to water heat pump system EBHQ008BAV3 18. Disposal requirements ............. 18 ONTENTS Page 19. Unit specifications ..............18 1. Definitions .................. 2 Technical specifications..............18 2. General Safety precautions ............2 Electrical specifications ..............18 3.
fire or other damage property-damage accidents only. to the equipment. Be sure only to use accessories and optional equipment made by Daikin which are specially designed for use with INFORMATION the products as of subject in this manual and have them installed by This symbol identifies useful tips or additional information.
Page 5
■ Ask your dealer or qualified personnel to carry out CAUTION installation work. Do not install the machine by yourself. ■ For use of units in applications with temperature alarm Improper installation may result in water leakage, electric settings it is advised to foresee a delay of 10 minutes shocks or fire.
These units are used for both heating and cooling applications. The Refer to the wiring diagram or connection diagram for units can be combined with Daikin fan coil units, floor heating connecting this PCB to the unit. applications, low temperature radiators, domestic hot water tank ■...
CCESSORIES VERVIEW OF UNIT 4.1. Location of the accessories 5.1. Opening of the outdoor unit ■ Opening of the outdoor unit To gain access to the unit, the service panels need to be opened as shown in the figure below 4.2.
5.2. Main components of the outdoor unit WARNING ■ Switch off all power supply – i.e. outdoor unit power supply and backup heater and domestic hot water tank power supply (if applicable) – before removing the switch box service panel (outdoor unit and indoor unit).
5.3. Main components of the outdoor unit switch box ELECTING AN INSTALLATION LOCATION WARNING Be sure to provide for adequate measures in order to prevent that the EBHQ outdoor unit be used as a shelter by small animals. Small animals making contact with electrical parts can cause malfunctions, smoke or fire.
■ Select the location of the unit in such a way that the sound Selecting an outdoor location in cold climates generated by the unit does not disturb anyone, and the location is selected according the applicable legislation. NOTICE Although the noise produced by the unit during operation is low, avoid installation near to places where even low noise levels can When operating the unit in a low outdoor ambient be disturbing (e.g., bedroom windows, terraces, next-door...
IMENSIONS AND SERVICE SPACE NSPECTING HANDLING AND UNPACKING THE UNIT 7.1. Dimensions of the outdoor unit 9.1. Inspection 1189 At delivery, the unit must be checked and any damage must be reported immediately to the carrier’s claims agent. 9.2. Handling ■...
■ 9.3. Unpacking Prepare 4 sets of M8 or M10 foundation bolts, nuts and washers each (field supply). ■ Fasten the unit in place using four CAUTION foundation bolts M8 or M10 in accordance To avoid injury, do not touch the air inlet or aluminium fins with the installation drawing.
10. P IPING CONNECTION WORK NOTICE When circulation in each space heating loop is controlled 10.1. Checking the water circuit by remotely controlled valves, it is important that this minimum water volume is kept even if all the valves are The units have a water inlet and water outlet for connection to a water closed.
10.3. Setting the pre-pressure of the expansion vessel Calculating the pre-pressure of the expansion vessel The pre-pressure (Pg) to be set depends on the maximum installation When it is required to change the default pre-pressure of the height difference (H) and is calculated as below: expansion vessel (1 bar), keep in mind the following guidelines: ■...
In other installations If power failure can happen at times the unit is unattended, the use of ethylene glycol is permitted as well; Daikin recommends adding glycol to the water system. Refer to ■ Caution: "Corrosion of the system due to presence of glycol" on...
10.6. Initial start-up at low ambient temperatures Water piping freezing prevention Protect the water piping against water freezing during the winter NOTICE period (e.g. by using an external field supplied heater tape or glycol To ensure that the unit operates within its operating range solution).
14. T 14.2. Test run operation (manual) EST RUN AND FINAL CHECK If required, the installer can perform a manual test run operation at The installer is obliged to verify correct operation of the indoor and any time to check correct operation of cooling, heating and domestic outdoor unit after installation.
This maintenance must be carried out by your local Daikin technician. Checks To execute the maintenance activities as mentioned below, it is The described checks must be executed at least once a year.
16.3. Service mode operation 17.2. General symptoms Refer to the service manual to carry out any service mode operation. Symptom 1: The unit is turned on (y LED is lit) but the unit is not heating or cooling as expected OSSIBLE CAUSES ORRECTIVE ACTION 17.
Dirt is blocking the water pressure Check for correct operation of the relief valve outlet. pressure relief valve by turning the red knob on the valve counter EBHQ006BAV3 EBHQ008BAV3 clockwise: Nominal capacity • If you do not hear a clacking sound, contact your local dealer.