Daikin EKHBH030BA Manuel d'installation Page 10
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Installation manual
8
EKHBH/X030BA
Indoor unit for air to water heat pump system
4PW62568-1 – 07.2010
Application 6
Space heating with room thermostat application through floor heating
loops and fan coil units. The floor heating loops and fan coil units
require different operating water temperatures.
The floor heating loops require a lower water temperature in heating
mode compared to fan coil units. To achive these two set points, a
mixing station is used to adapt the water temperature according to
requirements of the floor heating loops. The fan coil units are directly
connected to the indoor unit water circuit and the floor heating loops
after the mixing station. The control of this mixing station is not done
by the indoor unit.
The operation and configuration of the field water circuit is the
responsibility of the installer.
Daikin only offers a dual set point control function. By this function
two set points can be generated. Depending on the required water
temperature (floor heating loops and/or fan coil units are required)
first set point or second set point can be activated.
Pump operation and space heating
When the room thermostat for the floor heating loop (T1) and the fan
coil units (T2) are connected to the indoor unit, the pump (4) will
operate when there is a request for heating from T1 and/or T2. The
outdoor unit will start operating to achieve the target leaving water
temperature. The target leaving water temperature depends on which
room thermostat is requesting heating.
When the room temperature of both zones is above the thermostat
set point, the outdoor unit and pump will stop operating.
1 Outdoor unit 8 Shut-off valve
2 Indoor unit 9 Mixing station (field supply)
3 Heat exchanger T1 Room thermostat for zone
A (optional)
4 Pump
5 Shut-off valve T2 Room thermostat for zone
B (optional)
6 Collector zone A
(field supply) FCU1..3 Fan coil unit (optional)
7 Collector zone B
(field supply)
FHL1...3 Floor heating loop
(field supply)
The advantage of the dual set point control is that the heat
pump will/can operate at the lowest required leaving water
temperature when only floor heating is required. Higher
leaving water temperatures are only required in case fan
coil units are operating.
This results in a better performance of the heat pump.
FHL1
FHL2
FHL3
T1
T2
FCU1
FCU2
FCU3
54321
8 9
7
6
B
A
Set point Field setting Thermo status
Zone A First UI ON OFF ON OFF
Zone B Second [7-03] OFF ON ON OFF
Resulting water temperature UI [7-03] [7-03] —
Result pump operation ON ON ON OFF
NOTE
■ Make sure to connect the thermostat wires to the
correct terminals (see "Overview of the indoor
unit" on page 9).
■ Make sure to configure the field settings [7-02],
[7-03] and [7-04] correctly. Refer to "Dual set point
control" on page 30.
■ Make sure to configure the DIP switch SS2-3 on
the PCB of the EKHBH switch box correctly. Refer
to "Room thermostat installation configuration" on
page 23.
NOTE
■ The request signals for space heating can be
implemented in two different ways (installer
choice).
- Thermo ON/OFF signal from room thermostat
- Status signal (active/not active) from the
mixing station
■ It is the installers responsibility to make sure no
unwanted situations can occur (e.g. too high
water temperatures towards floor heating loops,
etc.)
■ Daikin does not offer any type of mixing station.
Dual set point control only provides the possibility
to use two set points.
■ When only zone A request heating, zone B will be
fed with water at a temperature equal to the first
set point.
This can lead to unwanted heating of zone B.
■ When only zone B request heating, the mixing
station will be fed with water at a temperature
equal to the second set point.
Depending on the control of the mixing station,
the floor heating loop can still receive water at a
temperature equal to set point of the mixing
station.
Be aware that the actual water temperature through the
floor heating loops depends on the control and setting of
the mixing station.
4PW62568-1.book Page 8 Wednesday, June 30, 2010 12:02 PM
- INSTALLATION MANUAL 1
- 1-1/2" MBSP 2
- 1" MBSP 2
- CCESSORIES 4
- CONSIDERATIONS 5
- APPLICATION 6
- EXAMPLES 6
- Application 6 10
- OVERVIEW OF THE INDOOR UNIT 11
- Main components 12
- Switch box main components 13
- Functional diagram 14
- Dimensions and service space 15
- Mounting the indoor unit 15
- EKHBX models) 16
- Refrigerant pipework 16
- Water pipework 16
- Checking the water circuit 16
- Connecting the water circuit 18
- Charging water 18
- Piping insulation 18
- Field wiring 19
- Overview 19
- Internal wiring - Parts table 20
- Field wiring guidelines 20
- 187~208 V AC 22
- 209~228 V AC 22
- 229~253 V AC 22
- Wiring specifications 23
- Mounting 23
- START-UP AND CONFIGURATION 24
- Pump operation configuration 25
- Pre-operation checks 26
- Powering up the indoor unit 26
- Detailed description 28
- Installation manual 29
- Energy saving settings 33
- Quick heating settings 33
- (default) 33
- [C-01] Alarm No alarm 34
- No power supply 34
- Outdoor temperature range 36
- Local shift value 36
- Field settings table 37
- Setting name 38
- Default 38
- TEST RUN AND FINAL CHECK 39
- MAINTENANCE AND SERVICE 39
- TROUBLESHOOTING 40
- General symptoms 41
- Error codes 42
- TECHNICAL SPECIFICATIONS 44
- INTRODUCTION 45
- Manuel d'installation 45
- ACCESSOIRES 46
- CONSIDÉRATIONS DE SÉCURITÉ 47
- Application 1 48
- Application 2 48
- Application 3 49
- Application 4 50
- Application 5 50
- / Boiler 51
- Point de 53
- Réglage sur 53
- Statut du thermostat 53
- Principaux composants 54
- Schéma fonctionnel 56
- Tuyauterie de réfrigérant 58
- Tuyauterie d'eau 59
- Différence de 60
- Remplissage d'eau 61
- Isolation des tuyaux 61
- Câblage à réaliser 61
- Spécifications du câblage 66
- ISE EN ROUTE ET CONFIGURATION 67
- Réglages sur place 70
- Procédure 70
- Description détaillée 70
- REMARQUE 75
- Réglages d'économie 77
- Réglages de chauffage 77
- Pas d'alimenta 78
- Premier 81
- TEST ET VÉRIFICATION FINALE 84
- MAINTENANCE ET ENTRETIEN 84
- DÉPANNAGE 85
- Symptômes généraux 86
- Codes d'erreur 87
- SPÉCIFICATIONS TECHNIQUES 89
- INTRODUCCIÓN 90
- ACCESORIOS 91
- ADVERTENCIAS DE SEGURIDAD 92
- EJEMPLOS DE APLICACIÓN TÍPICA 93
- Aplicación 3 94
- Aplicación 4 95
- Aplicación 5 96
- Valor de 98
- (punto de 98
- Cómo abrir la unidad interior 99
- Componentes principales 100
- F2B F3B F1B 101
- Diagrama de funcionamiento 102
- Montaje de la unidad interior 103
- (sólo para modelos EKHBX) 104
- Tubería de refrigerante 104
- Tubería de agua 104
- Conexión del circuito de agua 106
- Carga de agua 106
- Aislamiento de tuberías 106
- Cableado de obra 107
- Vista general 107
- L1 L2 L3 N 109
- EKHBH/X030BA 110
- 4PW62568-1 – 07.2010 110
- Especificaciones del cable 111
- ARRANQUE Y CONFIGURACIÓN 112
- Manual de instalación 114
- ESP [kPa] 115
- ESP [psi] 115
- Descripción detallada 116
- Configuración 122
- (por defecto) 122
- [C-01] Alarma No hay alarma 123
- Segundo 126
- Comprobación final 129
- Procedimiento 129
- Actividades de mantenimiento 129
- SOLUCIÓN DE PROBLEMAS 130
- Síntomas generales 131
- Códigos de error 132
- ESPECIFICACIONES TÉCNICAS 134
- NOTES NOTES 135
- Copyright 2010 Daikin 136
- 4PW62568-1 07.2010 136
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