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DCUE OVERLOAD KITS 54000408 to 412
These kits are for use on all single phase 542 series ducted condensing units to provide an alarm signal when the
compressor trips. (This signal is used to operate the alarm LED on the indoor unit). They may also be used on ALL
three phase units as a spares replacement.
DCUE
1PH KIT
3PH SPARE
ITEM
QTY
DESCRIPTION
10
54000409
--
1
1
Overload
15
54000409
--
2
3
Cable Tie
20
54000410
54000408
3
1
Violet Link Wire
30
54000410
54000408
4
1
Pink Link Wire
40
54000410
54000409
50
54000410
54000409
60
54000411
54000409
80
54000411
54000409
Model Size (1Ph)
10
15
20
30
40
50
60
80
Overload Setting (A)
5.0
6.1
8.0
9.0
11.0
12.0
14.0
16.0
Model Size (3Ph spare)
10
15
20
30
40
50
60
80
Overload Setting (A/Ph)
--
--
--
3.3
4.6
5.3
5.8
6.1
SPARES REPLACEMENT:-
When used as a spare, the overload is a direct replacement. Note the original setting of the existing overload, set the
new overload to this and transfer wires one at a time. Discard the additional violet link wire supplied in the kit.
ISOLATE THE UNIT ELECTRICALLY PRIOR TO INSTALLATION OF THE KIT
1
Release the three retaining screws in the front access panel and remove to reveal the electrics box.
2
Locate the contactor and transfer the wires one at a time from terminals 2, 4 and 6 to the corresponding terminals on
the overload.
3
Secure the overload to the contactor by inserting the metal links into the three vacant contactor terminals and
tightening the screws.
4
On electronic units, a pink wire is supplied with one end pre-connected to pin 2 of the 9 way plug. Remove the other
end from the parking terminal on the base of the electrics box, remove the in-line connector and strip back the wire
by 8mm prior to connection to overload terminal 98. Discard the pink wire supplied in the kit.
5
Remove the violet wire from contactor terminal A1 and reroute to overload terminal 95.
6
Connect the violet link wire from the kit between contactor terminal A1 and overload terminal 96.
7
Tidy wires using the cable ties supplied.
--o--o--O--O--O--o--o--
Heronhill - for all your IMI requirements
Tel: 01823 665660
www.heronhill.co.uk
Fax: 01823 665807
