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Summary of Contents for Altherma EKHBXE008AA3V3
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Page 1: Installation Manual
INSTALLATION MANUAL Indoor unit for air to water heat pump system For installation WITH restricted power supply condition =6 kW EKHBHE008AA3V3 EKHBXE008AA3V3... - Page 2 ≥350 G 1 1/2(male) G 1 (male)
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Page 3: Table Of Contents
EKHBHE008AA3V3 Installation manual Indoor unit for air to water heat pump system EKHBXE008AA3V3 ONTENTS Page READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION. KEEP THIS MANUAL IN A HANDY Introduction..................1 PLACE FOR FUTURE REFERENCE. General information ................... 1 Scope of this manual ................. 3... - Page 4 Domestic hot water tank (option) An optional EKHW* 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 three sizes: 150, 200 and 300 litre. Refer to the domestic hot water tank installation manual for further details.
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Page 5: Scope Of This Manual
YPICAL APPLICATION EXAMPLES Scope of this manual This installation manual describes the procedures for unpacking, When the AD system is used in series installing and connecting all EKHBH/X indoor unit models. with another heat source (e.g. gas boiler), it shall be made sure that the return water temperature to the heat NOTE Installation of the ERHQ heat pump outdoor is... -
Page 6: Application 2
Application 2 Application 3 Space heating only application without room thermostat connected to Space cooling and heating application with a room thermostat the indoor unit. The temperature in each room is controlled by a valve suitable for cooling/heating changeover connected to the indoor on each water circuit. -
Page 7: Application 4
Domestic water heating When closing several loops in the system by remotely Domestic water heating is as described under "Application 2" on controlled valves, it might be required to install a by-pass page valve (9) to avoid the flow switch safety device from being activated. -
Page 8: Main Components
Air purge valve Remaining air in the water circuit will be automatically removed via the air purge valve. Emergency backup heater Emergency backup heater operation always has priority over compressor or booster heater operation. Emergency backup heater operation occurs because of: User request to heat up water to the space heating loops. -
Page 9: Switch Box Main Components
12. X9A socket Switch box main components The X9A socket receives the thermistor connector (only for installations with domestic hot water tank). 13. In line fuse FU2 14. Transformer TR1 15. A4P Solar/remote alarm address card (only for installations with solar kit or remote alarm kit) 16. -
Page 10: Installation Of The Indoor Unit
NSTALLATION OF THE INDOOR UNIT Inspecting, handling and unpacking the unit The indoor unit is packed in a cardboard box, fixed by straps on Selecting an installation location a wooden pallet. At delivery, the unit must be checked and any damage must be The unit is to be wall mounted in an indoor location that meets the reported immediately to the carrier claims agent. -
Page 11: Mounting The Indoor Unit
Mounting the indoor unit Installation of the EKHBDP drain pan kit (only for EKHBX models) The weight of the indoor unit is approximately 50 kg. Two For heating/cooling models, it is necessary to install the drain pan kit persons are required to mount the unit. (see "Accessories"... - Page 12 Checking the water volume and expansion vessel pre- Using the table below, determine if the expansion vessel pre- pressure requires adjustment. pressure Using the table and instructions below, determine if the total The unit is equipped with an expansion vessel of 10 litre which has a water volume in the installation is below the maximum allowed default pre-pressure of 1 bar.
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Page 13: Charging Water
Example 1 Charging water The indoor unit is installed 5 m below the highest point in the water circuit. The total water volume in the water circuit is 100 l. Connect the water supply to a drain and fill valve (see "Main components"... - Page 14 Overview Internal wiring - Parts table The illustration below gives an overview of the required field wiring Refer to the internal wiring diagram supplied with the unit (on the between several parts of the installation. Refer also to "Typical inside of the indoor unit switch box cover). The abbreviations used application examples"...
- Page 15 Connection of the indoor unit power supply and Procedure communication cable Using the appropriate cable, connect the power circuit to the main circuit breaker as shown on the wiring diagram and the Power circuit and cable requirements illustration below. Power supply for the indoor unit is to be provided through the outdoor Connect the earth conductor (yellow/green) to the earthing unit.
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Page 16: Start-Up And Configuration
Connection of the valve control cables TART UP AND CONFIGURATION Valve requirements The indoor unit should be configured by the installer to match the Power supply: 230 V AC installation environment (outdoor climate, installed options, etc.) and Maximum running current: 100 mA user expertise. -
Page 17: Pump Operation Configuration
The following table summarizes the required configuration and Domestic hot water tank installation configuration thermostat wiring at the terminal block in the switch box. Pump operation is listed in the third column. The three last columns indicate whether the following functionality is available on the user interface When no domestic hot water tank is (UI) or handled by the thermostat (T): installed, toggle switch SS2-2 should be set to... -
Page 18: Pre-Operation Checks
Pre-operation checks Powering up the indoor unit When power supply to the indoor unit is turned on, "88" is displayed Checks before initial start-up on the user interface during its initialisation, which might take up to 30 seconds. During this process the user interface cannot be Switch off the power supply before making any operated. - Page 19 Procedure Detailed description To change one or more field settings, proceed as follows. NOTE Only field settings relevant for this model are explained. [0] User permission level If required, certain user interface buttons can be made unavailable for the user. Three permission levels are defined (see the table below).
- Page 20 [1-03] Set point at high ambient temperature (Hi_Ti): the Space cooling/heating always has priority over the target outgoing water temperature when the outdoor disinfection function. temperature equals or rises above the high ambient temperature (Hi_A). The disinfection function is only possible when the unit is Note that the Hi_Ti value should be lower than Lo_Ti, as for not operating for space cooling/heating.
- Page 21 [6] DT for domestic water heating [7] Domestic hot water step length Before changing field settings for domestic water heating, Before changing field settings for domestic water heating, read attentively the warnings mentioned in the paragraph read attentively the warnings mentioned in the paragraph "Domestic hot water tank (option)"...
- Page 22 [8] Domestic water heating mode timer [9] Cooling and heating set points The purpose of this field setting is to prevent the user from selecting Before changing field settings for domestic water heating, a wrong (i.e., too hot or too cold) leaving water temperature. Thereto read attentively the warnings mentioned in the paragraph the heating temperature set point range and the cooling temperature "Domestic hot water tank (option)"...
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Page 23: Field Settings Table
Field settings table Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit User permission level User permission level — — Weather dependent set point Low ambient temperature (Lo_A) –10 –20~5 °C... - Page 24 Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Restricted power supply condition mode Not applicable. Do not change the default value! — — — Not applicable. Do not change the default value! —...
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Page 25: Test Run And Final Check
EST RUN AND FINAL CHECK Final check The installer is obliged to verify correct operation of the indoor and Before switching on the unit, read following recommendations: outdoor unit after installation. When the complete installation and all necessary settings have been carried out, close all front panels of the unit and refit the indoor unit cover. -
Page 26: Troubleshooting
Symptom 3: Pump is making noise (cavitation) ROUBLESHOOTING OSSIBLE CAUSES ORRECTIVE ACTION This section provides useful information for diagnosing and There is air in the system. Purge air. correcting certain troubles which may occur in the unit. Water pressure at pump inlet is too •... -
Page 27: Error Codes
Error codes Error code Failure cause Corrective action Booster heater thermal protector Reset the thermal protector When a safety device is activated, the user interface LED will be is open (applies only to flashing, and an error code will be displayed. installations with a domestic hot water tank) A list of all errors and corrective actions can be found in the table... -
Page 28: Technical Specifications
Error code Failure cause Corrective action Electric component failure Contact your local dealer. Failure of capacity setting Contact your local dealer. Refrigerant failure (due to Contact your local dealer. refrigerant leak) Main circuit voltage failure Contact your local dealer. Communication failure Contact your local dealer. - Page 29 NOTES NOTES...
- Page 30 4PW48441-1B...
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