Electrical Connections - Electra DNG 18 Service Manual

ELECTRICAL CONNECTIONS

POWER SUPPLY
NOMINAL VOLTAGE LIMITS
1PH 230/50/1
400/50/3
3PH
For main power supply and interconecting use
only cable H05VV-K5G type. Allways follow
local national wiring standards regulation.
All conductors should be of size and number as indicated in this page.
Electrical cable should be in one piece without any joints. When mounting
the cable under the floor please make sure it is perfectly protected and
isolated from any possible contact with water. When the cable path runs
through a wall or an acoustic ceiling, it must be protected with fireproof
tubing. In addition, a telephone type cable, 2 x 0.5 mm, should interconnect
the two units.
1. Prepare the multiple wire cable ends for
connection.
2. Take away the Indoor/outdoor cover and
open the terminals, take away the cable
clamp screw and turn over the cable clamp.
3. Connect the cable ends to the terminals of
the indoor and outdoor units.
4. Connect the other end of the twin wire cable
to the outdoor unit twin wire terminal.
5. Secure the multiple wire power cable with
the cable clamps.
6. Fasten the twin wire cable to the power
cable with cable ties.
1PH Units Power supply to indoor
(5Kw units)
1
CLOCK
OUT
3
L L
L3 N N
L2 L1
4
N L L N 4 5 6
8 9
2
For Heat-pump units only
1. Indoor unit
2. Outdoor unit
3. Power supply cable
4. Control cable (2 x 0.5mm 2 )
5. Display connector
6. Display unit
7. Wireless remote control
8. Inter connecting cable (5 x 2.5mm 2 )
10
E L E C T R I C A L
CAP. CIRCUIT BRAKER
198-264V
5kw
360-440V
7kw
9kw
10.5kw
1PH Units Power supply to outdoor
(7, 9, 10.5Kw units)
1
5
CLOCK
6
OUT
4 5 6
L L
L3
L2 L1
3
7
10
8
8 9
4
2
For Heat-pump units only
1. Indoor unit
2. Outdoor unit
3. Power supply cable
4. Control cable (2 x 0.5mm 2 )
5. Display connector
6. Display unit
7. Wireless remote control
8. Inter connecting cable (5 x 2.5mm 2 )
9. Safety Switch ON-OFF (by installer)
10. Circuit breaker (by installer)
S P E C I F I C A T I O N S
1PH UNITS
POWER SUPPLY
CABLE
3 X 2.5MM 2
20A
3 X 2.5MM 2
20A
3 X 4MM 2
25A
3 X 4MM 2
25A
5
6
N N 4 5 6
7
N L L N 4 5 6
8
9
APPENDIX A
3PH UNITS
CAP.
CIRCUIT BRAKER POWER SUPPLY
5 X 1.5MM 2
5kw 3 X 10A
5 X 1.5MM 2
7kw 3 X 10A
5 X 2.5MM 2
9kw 3 X 16A
5 X 2.5MM 2
10.5kw 3 X 16A
5 X 2.5MM 2
12.5kw 3 X 16A
5 X 2.5MM 2
14kw 3 X 16A
5 X 2.5MM 2
16kw 3 X 20A
3PH Units Power supply to outdoor
1
CLOCK
OUT
L L
L3 N N
L2 L1
4
3
L3 L2 L1 N
8 9
L3 L2 L1 N
10
L1
L2
L3
N
For Heat-pump units only
1. Indoor unit
2. Outdoor unit
3. Power supply cable
4. Control cable (2 x 0.5mm 2 )
5. Display connector
6. Display unit
7. Wireless remote control
8. Inter connecting cable (6 x 1.5mm 2 )
9. Safety Switch ON-OFF (by installer)
10. Circuit breaker (by installer)
CABLE
5
6
4 5 6
7
8
4 5 6
9
2