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Daikin EKEQFCBV3 [8/17] In order to maximize installation fl exibility 4 types of control systems are off ered
![Daikin EKEQFCBV3 [8/17] In order to maximize installation fl exibility 4 types of control systems are off ered](/views2/1763791/page8/bg8.png)
• Accessory • EKEQ
4
• Ventilation • EKEQ
6
4 Control systems
4 - 1 Control Systems
In order to maximize installation fl exibility,
4 types of control systems are off ered
Control w: Off the shelf control of air temperature (discharge
temperature, suction temperature, room temperature) via any DDC
controller
Control x: Precize control of air temperature (discharge
temperature, suction temperature, room temperature) requiring a
preprogrammed DDC controller (for special applications)
Control y: Control of refrigerant (Te/Tc) temperature via
Daikin control (no DDC controller needed)
Control z: Control of air temperature (suction temperature,
room temperature) via Daikin control (no DDC controller
needed)
Possibility X (Td/Tr control):
Precise air temperature control via DDC controller
Room temperature is controlled as a function of the air handling
unit suction or discharge air (customer selection). The DDC
controller is translating the temperature diff erence between set
point and air suction temperature (or air discharge temperature
or room temperature) into a reference voltage (0-10V) which is
transferred to the Daikin control box (EKEQFCBA). This reference
voltage will be used as the main input value for the compressor
frequency control.
Possibility W (Td/Tr control):
Air temperature control via DDC controller
Room temperature is controlled as a function of the air handling
unit suction or discharge air (customer selection). The DDC
controller is translating the temperature diff erence between set
point and air suction temperature (or air discharge temperature or
room temperature) into a proportional 0-10V signal
which is transferred to the Daikin control box (EKEQFCBA).
This voltage controls the compressor frequency.
Possibility Y (Te/Tc control):
By fi xed evaporating /condensing temperature
A fi xed target evaporating temperature of between 3°C and
8°C can be set by the customer. In this case, room temperature is
only indirectly controlled. The cooling load is determined from
the actual evaporating temperature (i.e. load to the heat
exchanger). A Daikin infrared remote control (BRC1D52 or
BRC1E52A/B - optional) can be connected for error indication.
Ts
Tr
Te
AHU
Room
Td
Daikin
control box:
EKEQFCBA
BRC1D52
BRC1E52A/B
BRC1D52
BRC1E52A/B
Ts
Tr
Te
AHU
Room
Td
Daikin
control box:
EKEQDCB
EKEQMCB
KRP4A51
ON / OFF
Possibility Z (Ts/Tr control):
Control your AHU just like a VRV indoor unit with 100% fresh air
(BRC1D52 or BRC1E52A/B - optional)
Set point can be fi xed via standard Daikin infrared remote control.
Remote ON/OFF can be achieved
by an optional adapter KRP4A51.
No external DDC controller should be connected. The cooling load is
determined from the air suction temperature and set point on
the Daikin controller.
* EKEQMCB (for ’multi’ application)
Option kit Features
Possibility w
EKEQFCBA
DDC controller is required
temperature control using air suction or air discharge temperature
Possibility x
DDC and Microtech controller is required
Precise Temperature control using air suction or air discharge temperature
Possibility y Using fi xed evaporating temperature, no set point can be set using remote control
Possibility z
EKEQDCB
EKFQMCBA*
Using Daikin infrared remote control BRCD or BRCEA/B
Temperature control using air suction temperature
Ts = Air suction temperature
Td = Air discharge temperature
Tr = Room temperature
Te = Evaporating temperature
AHU = Air Handling Unit
DDC = Digital Display Controller
DDC
Ts
Tr
Te
AHU
Room
Td
Daikin
control box:
EKEQFCBA
DDC
Ts
Tr
Te
AHU
Room
Td
Daikin
control box:
EKEQFCBA
Содержание
- Technical data 1
- Ventilation 1
- Table of contents ekeq 3
- Accessory ekeq 4
- Both option kits are designed for indoor and outdoor installation and can be wall mounted 4
- Control box and expansion valve kit are required for each combination plus an air handling unit 4
- Features 4
- The system provides optimized air conditions such as fresh air and humidity control etc and can be used in small warehouses showrooms and offices 4
- Ventilation ekeq 2 4
- Wide offer in control possibilities control x room suction or discharge temperature can be controlled via ddc control field supplied control y control by fixed evaporating temperature control z room or suction temperature control via daikin remote control remote on off can be achieved by an optional adapter krp4a51 4
- Wide range of units offers maximum application potential and flexible control options 4
- 1 technical specifications 5
- 2 electrical specifications 5
- Specifications 5
- 2 electrical specifications 6
- Accessory ekeq 6
- Specifications 6
- Ventilation ekeq 4 6
- 1 options 7
- Options 7
- 1 control systems 8
- Control systems 8
- In order to maximize installation fl exibility 4 types of control systems are off ered 8
- 1 combination table 9
- Combination table 9
- 1 dimensional drawings 10
- Dimensional drawings 10
- Ekeqdcb 10
- Ekeqfcb 10
- 1 dimensional drawings 11
- Dimensional drawings 11
- 1 wiring diagrams single phase 12
- Ekeqdcb 12
- Ekeqfcb 12
- Wiring diagrams 12
- 1 wiring diagrams single phase 13
- Wiring diagrams 13
- 1 external connection diagrams 14
- Ekeqdcb 14
- Ekeqfcb 14
- External connection diagrams 14
- 1 external connection diagrams 15
- External connection diagrams 15
- Remote controller 15
- Barcode 17
- Eeden15 205 11 14 copyright daikin the present publication supersedes eeden14 205 17
- Naamloze vennootschap zandvoordestraat 300 b 8400 oostende belgium www daikin eu be 0412 120 336 rpr oostende 17
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