Electronic Trigger Unit Int69 G On Hc And Lg Compressors - Danfoss BOCK HG88e Operating Manual

7 | Electrical connection
7.8 Function test of the trigger unit INT69 G
Before commissioning, after troubleshooting or making changes to the control power circuit, check
the functionality of the trigger unit. Perform this check using a continuity tester or gauge.
Gauge state
Deactivated state
INT69 G switch-on
Remove PTC connector
Insert PTC connector
Reset after mains on
7.9 Electronic trigger unit INT69 G at HC and LG compressors
The supplied INT69 G must be connected according to the wiring diagram shown here in a separate
control cabinet, which must be installed outside each danger zone.
ATTENTION Install heat protection thermostats and cold conductor motor
0 1
1 2 3 4 5 6 7 8
EB1
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DELTA- P II
© Danfoss | Climate Solutions | 2023.10
Relay position
11-12
11-14
11-12
11-12
11-14
2
winding in series!
Schaltschrank
INT69G
09 10 11 12 13 14 20 21
BT1 BT2 BT2
pk
or
Relay position INT69 G
B2 12 14 11
3
BT1
BT2
BT3
EB1
BT2 BT2 BT.3
Fig. 16
Fig. 15
4 5
Cold conductor (PTC
sensor) motor winding
Heat protection thermo-
stat (PTC sensor)
Oil temperature sensor
Oil sump heater
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GB
F 6
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