Electronic Trigger Unit Int69 G On Hc And Lg Compressors; Oil Sump Heater (Accessories) Dgb - Danfoss BOCK HG44e 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
Schaltschrank
Switch cabinet
09
1 2 3 4 5 6 7 8 10 11 12
EB1
vio bn bu gr
DELTA- P II
© Danfoss | Climate Solutions | 2023.06
Relay position
11-12
11-14
11-12
11-12
11-14
2
winding in series!
INT69G
13 20 21
BT1
BT2 BT2 BT2
og pk
Relay position INT69 G
B2 12 14 11
3 4
BT1 Cold conductor (PTC
sensor) motor winding
BT2 Heat protection thermo-
stat (PTC sensor)
BT3 Oil temperature sensor
BT.3
EB1 Oil sump heater
Fig. 15
AQ452044031215en-000201 | 25
Fig. 14
5 6
D
GB
F
E