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Fitting the relay set to the heat pump
The relay set ensures that there is no re-freezing in the drip tray once
defrosting has finished.
The K6 relay has three setting options on the front, where you can
adjust the relay’s function, time and range.
Dr (FUNCTION) stands for “Delay on release”, which means that the
power feed is maintained while you are adjusting the two other set-
tings.
TIME represents how many time units are counted before the power is
interrupted.
RANGE represents how long a unit will last.
Figure 5: The relay set fitted to the heat pump.
Position Name
1
Defroster card
2
Terminal block, 125
3
Relay K5, Phoenix
4
Relay K6, Carlo Gavazzi
10. Mount digit washer 125 and cover on the terminal block.
11. Fit the terminal block and the two relays in the positions shown
in the figure 5 above.
12. Set relay K6 to default setting as per the figure 6 below:
Figure 6: Default setting for relay K6.
This setting means that the power will be maintained for 0.5 hours (5 x
0.1h) once defrosting has finished.
Electrical connection to the heat pump
13. Install the cable with junction clamps between relay K5
3
(A1,
A2) and defrost card
1
(382,383). Connect A1 to 383, and A2 to
382. (The cables have corresponding markings where they are
to be connected.)
14. Install the long blue cable between relay K6
4
(A2) and N1.
15. Install the long grey cable between K6
4
(18) and terminal
block 125
2
.
16. Install the grey connected cables according to figure 7 below.
11
A1
K5 K6
217
(230VAC)
K6
(Y1)
K6
(A1)
K6
(15)
K5
(11)
K5
(14)
15 Y1
14
217
Figure 7: Installing cables.
Electrical connection to outdoor unit
0V
230V
Fan, high speed
Fan, motor protection
cut out
Fan, low speed
Defrost sensor
Heat, drip tray
Accessories
Heating cable
Figure 8: Electrical connection for outdoor unit.
17. Loosen and remove the outdoor unit’s side panel.
18. Feed the transformer cable into the outdoor unit’s connection
box.
19. Connect the transformer cables to the neutral terminal block
(N/220) and terminal block 126.
20. If required, feed through the heating cable for the outdoor
unit’s connection box.
21. Connect the heating cable’s cables to the neutral terminal block
(N/220) and terminal block 127.
22. Connect a 230VAC supply from the new terminal block 125 in
the heat pump to terminal block 125 in the outdoor unit’s con-
nection box.
23. Replace the side panel.
0p
In
Id
Io
Dr
R
Rb
FUNCTION
0,1s
1s
6s
60s
0,1h
1h
10h
RANGE
1
2
3
4
5
6
7
8
9
10
TIME
FUNCTION: Set to Dr (Delay on
release)
TIME: Set to 5
RANGE: Set to 0.1h