Installation manual
26
0 EKCBX/H008BAV3
Unit for air to water heat pump system
4PW64602-1A – 09.2010
PNK.......................... Pink
RED.......................... Red
VIO ........................... Violet
WHT ......................... White
YLW.......................... Yellow
NOTES
WIRING DEPENDING ON MODEL
.............................................. Wiring depending on model
OPTION ................................ Option
PCB....................................... PCB
FIELD WIRING...................... Field wiring
FIELD SUPPLY ..................... Field supply
WIRE COLOUR .................... Wire colour
POWER SUPPLY .................. Power supply
OUTDOOR UNIT .................. Outdoor unit
ONLY FOR *** OPTION ........ Only for *** option
POSITION OF PARTS........... Position of parts
BACKUP HEATER KIT.......... Backup heater kit
See note................................ See note
Domestic hot water tank........ Domestic hot water tank
User interface ........................ User interface
Dual setpoint application (refer to installation manual)
.............................................. Dual setpoint application (refer to
installation manual)
3 wire type (SPST) ................ 3 wire type (SPST)
NO valve................................ Normal open (NO) valve
NC valve................................ Normal closed (NC) valve
Change over to boiler output
.............................................. Change over to boiler output
Alarm output.......................... Alarm output
Cooling/heating on/off output
.............................................. Cooling/heating on/off output
Solar input ............................. Solar input
See note ***........................... See note ***
12.8. Requirements for indoor unit field wiring
Selection and sizing should be done in accordance with relevant local
and national regulations based on the information in the table below:
12.9. Routing
The indoor unit has several openings on the bottom side for field
wiring. Use the appropriate opening to route the high voltage, low
voltage and power supply wires as shown in the figure below.
1
THIS WIRING DIAGRAM ONLY APPLIES TO THE INDOOR UNIT
2
USE A DEDICATED POWER CIRCUIT FOR THE BOOSTER
HEATER.
NEVER USE A POWER CIRCUIT SHARED BY OTHER APPLIANCE.
3
NO/NC: NORMAL OPEN/NORMAL CLOSED
4
DO NOT OPERATE THE UNIT BY SHORT-CIRCUITING ANY
PROTECTION DEVICE
7
FOR EKHWSU*V3, REFER TO OPTION MANUAL.
8
FOR EKSOLHWAV1, REFER TO OPTION MANUAL.
9
MAXIMUM LOAD: 0.3 A - 250 V AC
MINIMUM LOAD: 20 mA - 5 V DC
10
230 VAC OUTPUT
MAXIMUM LOAD: 0.3 A
⊗
SEVERAL WIRING POSSIBILITIES
Item
Cable
bundle
(a)
(a) PS = Power supply
HV = High voltage
LV = Low voltage
Desciption
Required
number of
conductors
Maximum
running
current
1
HV
Indoor unit control signals
3 + GND
Minimum
cable section
2.5 mm
2
2
HV
Indoor unit pump and
heater control signals
4
1.25 A
(b)
(b) Minimum cable section = 0.75 mm
2
3
LV
Thermistor
interconnection cable
(supplied with unit)
8
Supplied with
the unit
4
HV
Heater kit control signals
5
(b)
5
LV
Heater kit R12T
thermistor
2
(b)
6
HV
Alarm output (only for
EKRP1HB* and
EKSOLWAV1 option)
2
(b)
7
HV
Cooling/heating on/off
output (only for
EKRP1HB* and
EKSOLWAV1 option)
2
(b)
8
HV
Solar input (only for
EKRP1HB*and
EKSOLWAV1 option)
2
(b)
9
LV
Changeover to boiler
output (only for
EKRP1HB* and
EKSOLWAV1 option)
2
(b)
10
HV
2-way valve (only for
EKBCX* units)
2
(b)
11
HV
Room thermostat (only for
EKRTW, EKRTR or
EKRTETS option)
1, 3, 4 or 5
(b)
12
LV
user interface
–
(b)
13
HV
3-way valve (only for
EKHW option)
3
(b)
14
HV
Solar pump and thermal
protector (only for
EKSOLHWAV1 option)
2
(b)
15
LV
R5T Tank thermistor (only
for EKHW option)
2
16
HV
Booster heater power
supply and thermal
protector (only for EKHW
option)
4 + GND
(c)
(c) Refer to the nameplate of the domestic hot water tank
17
HV
Domestic hot water tank
thermal protector (only for
EKHWSU option)
2
(b)
18
PS
Booster heater power
supply (only for EKHW
option)
2 + GND
(c)
WARNING
It is important to keep the high voltage, low voltage and
power supply wiring separated from each other. In order to
avoid any electrical interference the distance between both
wiring should always be at least 25 mm.
PS/HV
HV
LV
PS
Power supply
HV
High voltage
LV
Low voltage
4PW64602-1A.book Page 26 Thursday, September 23, 2010 10:40 AM
Summary of Contents for EBHQ006BAV3
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