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INSTALLATION MANUAL
Unit for air to water heat pump system
Installation manual
English
Unit for air to water heat pump system
EDLQ036BA6VJU1
EDLQ048BA6VJU1
Manuel d'installation
Français
EDLQ054BA6VJU1
Unité pour système de pompe à chaleur air à eau
EBLQ036BA6VJU1
Manual de instalación
Español
EBLQ048BA6VJU1
Unidad para bomba de calor de aire-agua
EBLQ054BA6VJU1
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Table of Contents
Related Manuals for Daikin EDLQ036BA6VJU1
Summary of Contents for Daikin EDLQ036BA6VJU1
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Page 1: Installation Manual
INSTALLATION MANUAL Unit for air to water heat pump system Installation manual English Unit for air to water heat pump system EDLQ036BA6VJU1 EDLQ048BA6VJU1 Manuel d'installation Français EDLQ054BA6VJU1 Unité pour système de pompe à chaleur air à eau EBLQ036BA6VJU1 Manual de instalación Español... - Page 2 L1< L2 L2< L1 0<L1≤1/2H L1≤ H L1< L2 0<L1≤1/2H H B1 H<L1 L1≤ H 0<L2≤1/2H L2≤ H 1/2H<L2≤H L2< L1 H<L2 L2≤ H L1< L2 0<L2≤1/2H L2< L1 1/2H<L2≤H 0<L1≤1/2H L1≤ H L1< L2 1/2H<L1≤H H B1 H<L1 L1≤ H 0<L2≤1/2H L2≤...
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Page 3: Table Of Contents
These units are used for both heating and cooling applications. The Domestic hot water tank installation configuration ........24 units can be combined with Daikin fan coil units, floor heating Initial start-up at low outdoor ambient temperatures........ 24 applications, low temperature radiators, domestic hot water tank Pre-operation checks ................ -
Page 4: Scope Of This Manual
Operation range Both versions are delivered with an integrated backup heater for additional heating capacity during cold outdoor temperatures. The Heating mode Cooling mode backup heater also serves as a backup in case of malfunctioning of the unit and for freeze protection of the outside water piping during winter time. -
Page 5: Safety Considerations
■ Make certain that all electrical work is carried out by qualified CONSIDERATIONS AFETY personnel according to the local laws and regulations and this installation manual, using a separate circuit. The precautions listed here are divided into the following two types. Insufficient capacity of the power supply circuit or improper Both cover very important topics, so be sure to follow them carefully. -
Page 6: Before Installation
■ Where there is machinery which emits electromagnetic INSTALLATION SITE ELECTING waves. Electromagnetic waves may disturb the control system, and ■ cause malfunction of the equipment. Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter ■... -
Page 7: Selecting A Location In Cold Climates
■ Set the outlet side at a right angle to the direction of the wind. ON INSTALLATION RECAUTIONS ■ Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after Strong wind installation. -
Page 8: Installation Servicing Space
(C) In case of multiple-row installation (for roof top use, etc.) Installation servicing space In case of installing one unit per row. The numerical figures used in the figures represent the dimensions in (Refer to "Precautions on installation" on page 5) Precaution ≥4 inch (≥100 mm) (A) In case of non-stacked installation figure 1A and figure 1B... -
Page 9: Typical Application Examples
APPLICATION EXAMPLES YPICAL Application 2 The application examples given below are for illustration purposes Space heating only application without room thermostat connected to only. the unit. The temperature in each room is controlled by a valve on each water circuit. Domestic hot water is provided through the domestic hot water tank which is connected to the unit. -
Page 10: Application 3
Domestic water heating Pump operation and space heating and cooling When domestic water heating mode is enabled (either manually by According to the season, the customer will select cooling or heating the user, or automatically through a schedule timer) the target on the room thermostat (T). -
Page 11: Application 6
Application 5 Space heating with an auxiliary boiler (alternating operation) Space heating application by either the Daikin unit or by an auxiliary boiler connected in the system. The decision whether either the E(D/B)* unit or the boiler will operate can be achieved by an auxiliary contact or an E(D/B)* indoor controlled contact. - Page 12 Make sure that the room thermostat (th) is not frequently turned ON/OFF. Daikin shall not be held liable for any damage resulting from failure to observe this rule. (a) The aquastat valve must be set for 131°F (55°C) and must operate to close the return water flow to the unit when the measured temperature exceeds 131°F...
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Page 13: Overview Of The Unit
■ The request signals for space heating can be implemented in two different ways (installer Daikin only offers a dual set point control function. By this function choice). two set points can be generated. Depending on the required water - Thermo ON/OFF signal from room thermostat temperature (floor heating loops and/or fan coil units are required) -
Page 14: Main Components
13. Manometer Main components The manometer allows readout of the water pressure in the water circuit. Hydraulic compartment (door 3) 14. Flow switch The flow switch checks the flow in the water circuit and protects the heat exchanger against freezing and the pump against damage. -
Page 15: Water Pipework
40 ft (12 m) in length. Booster heater circuit breaker F2B (only for installations with In order to optimise efficiency Daikin recommends to install domestic hot water tank) the 3-way valve and the domestic hot water tank as close as possible to the unit. - Page 16 Checking the water circuit When circulation in each space heating loop is NOTE The units are equipped with a water inlet and water outlet for controlled by remotely controlled valves, it is important connection to a water circuit. This circuit must be provided by a that this minimum water volume is kept even if all the licensed technician and must comply with local laws and regulations.
- Page 17 If power failure can happen at times the unit is unattended, Daikin recommends adding glycol to the water system. Refer to Caution: "Use of glycol" on page 16.
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Page 18: Charging Water
Depending on the expected lowest outdoor temperature, make sure Charging water the water system is filled with a weight concentration of glycol as mentioned in the table below. Connect the water supply to a drain and fill valve (see "Main components"... -
Page 19: Field Wiring
Overview Field wiring The illustration below gives an overview of the required field wiring between several parts of the installation. Refer also to "Typical WARNING application examples" on page 7. ■ A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated in the fixed wiring in accordance with relevant local laws and regulations. - Page 20 Door 2 electrical parts of the hydraulic compartment CAUTION A11P....Main PCB Select all cables and wire sizes in accordance with A12P....User interface PCB (remote controller) relevant local laws and regulations. A3P....Thermostat (EKRTW)(PC=Power Circuit) A4P....Solar/remote alarm PCB (EKRP1HB) WARNING E11H,E12H..
- Page 21 Field wiring guidelines Specifications of standard wiring components ■ Most field wiring on the unit is to be made on the terminal block inside the switch box. To gain access to the terminal block, Door 1: compressor compartment and electrical parts: X1M remove the switch box service panel (door 2).
- Page 22 Procedure Connection of the thermostat cable Using the appropriate cable, connect the power circuit to the Connection of the thermostat cable depends on the application. main circuit breaker as shown on the wiring diagram and in See also "Typical application examples" on page 7 and "Room figure 2.
- Page 23 Connection to a benefit kWh rate power supply [D-01]=1 [D-01]=2 Electricity companies throughout the world work hard to provide reliable electric service at competitive prices and are often authorized to bill clients at benefit rates. E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and Austria, ...
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Page 24: Installation Of The Digital Controller
Wire the unit. Benefit kWh rate power supplies that completely shut ■ power supply like illustrated above as types 2 and 3 are not allowed for this application because of the 16 16 16 16 water freeze prevention that would not be powered. When connecting the equipment to a benefit kWh rate ■... -
Page 25: Start-Up And Configuration
The following table summarizes the required configuration and AND CONFIGURATION TART thermostat wiring at the terminal block in the switch box. Pump operation is listed in the third column. The three last columns indicate The unit should be configured by the installer to match the installation whether the following functionality is available on the user interface environment (outdoor climate, installed options, etc.) and user (UI) or handled by the thermostat (T):... -
Page 26: Domestic Hot Water Tank Installation Configuration
The following table summarizes the required configuration and wiring Pre-operation checks at the terminal block (X2M: 1, 2, 4) in the switch box. Pump operation is listed in the third column. The three last columns indicate whether Checks before initial start-up the following functionality is available on the user interface (UI) or handled by the set point selection contacts SP1 and SP2: DANGER... -
Page 27: Powering Up The Unit
Powering up the unit Field settings The unit shall be configured by the installer to match the installation When power supply to the unit is turned on, "88" is displayed on the user interface during its initialisation, which might take up to 30 environment (outdoor climate, installed options, etc.) and user demand. -
Page 28: Detailed Description
[1] Weather dependent set point (heating operation only) ■ Before shipping, the set values have been set as NOTE The weather dependent set point field settings define the parameters shown under "Field settings table" on page 35. for the weather dependent operation of the unit. When weather ■... - Page 29 [2] Disinfection function [4] Backup heater operation and space heating off temperature Applies only to installations with a domestic hot water tank. Backup heater operation The disinfection function disinfects the domestic hot water tank by The operation of the backup heater can be enabled or disabled, or it periodically heating the domestic water to a specific temperature.
- Page 30 ■ [4-04] Freeze protection function: avoids freezing of the Booster heater operation water piping between home and unit. In case of low ambient Applies only to installations with a domestic hot water tank. temperatures it will activate the pump and in case of low The operation of the booster heater can be enabled or limited water temperatures it will additionally activate the backup depending on outdoor temperature (T...
- Page 31 ■ [5-04] Set point correction for domestic hot water [6] DT for heat pump domestic water heating mode temperature: set point correction for the desired domestic hot Applies only to installations with a domestic hot water tank. water temperature, to be applied at low outdoor temperature when space heating priority is enabled.
- Page 32 [7] DT for booster heater and dual set point control WARNING DT for booster heater Be aware that the domestic hot water temperature will be Applies only to installations with a domestic hot water tank. automatically increased (always) with the value selected in field setting [7-00] compare to the user set point for When the domestic hot water is heated and the domestic hot water ).
- Page 33 [8] Domestic water heating mode timer The first set point heating/cooling is the set point ■ NOTE Applies only to installations with a domestic hot water tank. selected on the user interface. - In heating mode the first set point can be a The 'domestic water heating mode timer' field settings defines the fixed value or weather dependent.
- Page 34 ■ [8-03] Booster heater delay time: specifies the start-up time ■ [8-04] Additional running time at [4-02]/[F-01]: specifies the delay of the booster heater operation when heat pump additional running time on the maximum running time at outdoor temperature [4-02] or [F-01]. See figure below. domestic water heating mode is active.
- Page 35 The purpose of this function is to determine —based on the outdoor temperature— which heating YC Y1 Y2 Y3 Y4 source can/will provide the space heating, either the Daikin unit or an auxiliary boiler. [D] Benefit kWh rate power supply/Local shift value weather The field setting "bivalent operation"...
- Page 36 ■ [D-01] Unit connection to benefit kWh rate power supply: [F] Option setup Defines whether or not the outdoor unit is connected to a Pump operation benefit kWh rate power supply. The pump operation field setting apply to the pump operation logic If [D-01]=0, the unit is connected to a normal power supply (default value).
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Page 37: Field Settings Table
Field settings table Temperature values displayed on the digital controller (user interface) are in °C. Temperature values in °C are between brackets. Conversion from °C to °F is for information only. Installer setting at variance with default value First Second Default code code... - Page 38 Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Cooling and heating set point ranges Heating set point upper limit 98.6~131 °F (55) (37~55) (°C) Heating set point lower limit 59~98.6 °F (25)
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Page 39: Test Run And Final Check
field wiring have to be carried out Automatic test run at regular intervals. This maintenance has to be carried out by your local Daikin When the unit is put into operation (by pressing the button) for technician. -
Page 40: Troubleshooting
This troubleshooting and related corrective actions may only be carried out by your local Daikin technician. The benefit kWh rate signal was sent Wait for the power to return.