LG PQDSBC1 Benutzeranleitung
9
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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Connect Output Signal Cables to IDU
Use this procedure for all indoor units except the economizer. The output signal cables connect to the four connection terminal strip on the
dry contact PCB. Refer to Figure 1, items 8 and 9. The two connections of item 8 provide an output signal to indicate when the indoor unit is
operating. The two connections of item 9 provide an output signal indicating when the indoor unit is in an error state.
1. For any indoor unit except an economizer, connect the output signal wires as shown in Figure 7
2. Position switch 2 of DIP switch SETTING_SW to OFF.
3. If additional wiring or configuration are required, continue to the following procedures.
4. If you are finished wiring and configuring the dry contact, reapply IDU power, press the dry contact reset switch (Figure 1, item 11), and
1. For any indoor unit except an economizer, connect the output signal wires as shown in Figure 7
2. Position switch 2 of DIP switch SETTING_SW to OFF.
3. If additional wiring or configuration are required, continue to the following procedures.
4. If you are finished wiring and configuring the dry contact, reapply IDU power, press the dry contact reset switch (Figure 1, item 11), and
reinstall the dry contact front cover.
Figure 7: Output Signal Cable Connections
Operation Display
Error Display
Field Supplied
(Depends on Operation
display power type)
Power
AC or DC
Field Supplied
(Depends on Error
display power type)
Power
AC or DC
Connect Output Signal Cables to Economizer IDU
Use this procedure with the economizer indoor unit. The output signal cables to the economizer connect to the two connections on the dry
contact terminal strip indicated as item 8 on Figure 1. This output signal sends a cooling thermal on signal to the economizer. The two
connections of Figure 1, item 9 are not used with the economizer.
1. For the economizer indoor unit, connect the signal wires as shown in Figure 8.
2. Position switch 2 of DIP switch SETTING_SW to ON.
3. If additional wiring or configuration are required, continue to the following procedures.
4. If you are finished wiring and configuring the dry contact, reapply IDU power, press the dry contact reset switch (Figure 1, item 11), and
1. For the economizer indoor unit, connect the signal wires as shown in Figure 8.
2. Position switch 2 of DIP switch SETTING_SW to ON.
3. If additional wiring or configuration are required, continue to the following procedures.
4. If you are finished wiring and configuring the dry contact, reapply IDU power, press the dry contact reset switch (Figure 1, item 11), and
reinstall the dry contact front cover.
Figure 8: Output Signal Cable Connections for Economizer
Economizer
Cooling Thermal On Mode
Set Rotary Switch to
E
Switch 2 ON
Switch 2 OFF
Switch 2 ON
Switch 2 OFF
Switch 2 ON
Switch 2 OFF
INSTALLATION