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Daikin EKMBUHBA6V3 [8/12] Cable requirements
![Daikin EKMBUHBA6V3 [8/12] Cable requirements](/views2/1788335/page8/bg8.png)
Installation and operation manual
6
EKMBUHBA6V3
Heater kit for air to water heat pump system
4PW63549-1A – 08.2010
6.6. Cable requirements
Refer to the chapter "Field wiring" of the EKCB indoor unit installation
manual for details where to use high voltage (HV) and low voltage
(LV) cables.
6.7. Internal wiring - Parts table
Refer to the internal wiring diagram supplied with the heater kit (on
the inside of the heater kit). The abbreviations used are listed below.
6.8. Procedure
Connections to be made in the heater kit
Refer to the wiring diagram sticker on the inside of the heater kit front
panel.
1 Power supply
Using the appropriate cable, connect the power supply cable to
the appropriate terminals.
CAUTION
■ Equipment complying with EN/IEC 61000-3-12
(a)
■ This equipment complies with EN/IEC 61000-3-11
(b)
provided that the system impedance Z
sys
is less than
or equal to Z
max
at the interface point between the
user's supply and the public system. It is the
responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network
operator if necessary, that the equipment is connected
only to a supply with a system impedance Z
sys
less
than or equal to Z
max
. Z
max
= 0.29 Ω
(a) European/International Technical Standard setting the limits for harmonic currents
produced by equipment connected to public low-voltage systems with input
current >16 A and ≤75 A per phase.
(b) European/International Technical Standard setting the limits for voltage changes,
voltage fluctuations and flicker in public low-voltage supply systems for equipment
with rated current ≤75 A.
Item
Cable
bundle
Description
Required
number of
conductors
Maximum
running
current
1 PS Power supply 2 + GND
(a)
(a) Refer to the nameplate of the heater kit
2 HV Indoor unit
control signal
(High Voltage)
and heater kit
error feedback
signal (Low
Voltage)
5
(b)
(b) Minimum cable section is 0.75 mm
2
3 LV Backup heater
R12T thermistor
signal
2
(b)
CAUTION
Select all cables and wire sizes in accordance with relevant
local and national regulations.
Part number Description
E1H, E2H Backup heater elements
F1B, F2B Fuse backup heater (20 A 400 V)
F1U Fuse (5 A T 250 V)
F1T Thermal fuse backup heater
K1M, K2M Contactor backup heater step
K5M, K6M Contactor for backup heater (all pole disconnection)
Q1DI Earth leakage protector (field supply)
Q1L Thermal protector backup heater (manual reset)
R12T Backup heater outlet thermistor
X1M, X2M, X15M Terminal strip
The electrical connection diagram can be found on the
inside of the switch box cover.
CAUTION
Use a dedicated power circuit for the heater kit. Never
use a power circuit shared by another appliance.
NOTICE
The heater kit needs to be connected to a normal
power supply. Connecting the heater kit to a benefit
kWh rate power supply is only allowed in case the
power supply is not shut off when benefit kWh rate is
active. For details on benefit kWh rate power supplies,
refer to the outdoor unit installation manual.
Содержание
- Definitions 3
- Efinitions 3
- Installation and operation manual 3
- Meaning of used terms 3
- Meaning of warnings and symbols 3
- Eneral safety precautions 4
- General safety precautions 4
- Accessories 5
- Accessories supplied with the heater kit 5
- Ccessories 5
- General information 5
- General system setup 5
- Introduction 5
- Main components 5
- Model identification 5
- Ntroduction 5
- Overview of the heater kit 5
- Scope of this manual 5
- Verview of the heater kit 5
- Dimensions and service space 6
- Installation of the heater kit 6
- Nstallation of the heater kit 6
- Safety devices 6
- Selecting an installation location 6
- Connecting the water circuits 7
- Field wiring 7
- Installing the heater kit 7
- 0 9 ω 8
- At the interface point between the user s supply and the public system it is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected only to a supply with a system impedance 8
- Cable requirements 8
- Caution 8
- Connections to be made in the heater kit 8
- Equipment complying with en iec 61000 3 1 8
- Internal wiring parts table 8
- Is less than or equal to 8
- Less than or equal to 8
- Notice 8
- Power supply using the appropriate cable connect the power supply cable to the appropriate terminals 8
- Procedure 8
- Provided that the system impedance 8
- Refer to the chapter field wiring of the ekcb indoor unit installation manual for details where to use high voltage hv and low voltage lv cables 8
- Refer to the internal wiring diagram supplied with the heater kit on the inside of the heater kit the abbreviations used are listed below 8
- Refer to the wiring diagram sticker on the inside of the heater kit front panel 8
- Select all cables and wire sizes in accordance with relevant local and national regulations 8
- The electrical connection diagram can be found on the inside of the switch box cover 8
- The heater kit needs to be connected to a normal power supply connecting the heater kit to a benefit kwh rate power supply is only allowed in case the power supply is not shut off when benefit kwh rate is active for details on benefit kwh rate power supplies refer to the outdoor unit installation manual 8
- This equipment complies with en iec 61000 3 1 8
- Use a dedicated power circuit for the heater kit never use a power circuit shared by another appliance 8
- Pre operation checks 9
- Start up and configuration 9
- Up and configuration 9
- Aintenance and service 10
- Final check 10
- Final check and test run 10
- Inal check and test run 10
- Maintenance and service 10
- Normal operation 10
- Operating instructions 10
- Perating instructions 10
- Test run 10
- Disposal requirements 11
- Echnical specifications 11
- Error codes 11
- General guidelines 11
- General symptoms 11
- Isposal requirements 11
- Roubleshooting 11
- Technical specifications 11
- Troubleshooting 11
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