Nj Chassis Dip Switch Settings - LG LV120HCV Installation Manual

ELECTRICAL SYSTEM INSTALLATION

NJ Chassis DIP Switch Settings

DIP Switch Settings for Indoor Unit PCB
Table 20: NJ/NK Frame DIP Switch Settings.
DIP Function
Switch
SW1 COMMUNICATION
SW2 CYCLE
SW3 GROUP CONTROL
SW4 DRY CONTACT
MODE
SW5 CONTINUOUS FAN
SW6 HEATER INTERLOCK
SW7
SW8
To operate the indoor unit without Internal Electric Heater, DIP switch 1, 2, 6, 8 must be set OFF.
To operate the indoor unit with Internal Electric heater, DIP switch 6 must be set ON.
• SW6 ON: Automatic Heater operation: Heater operates automatically.
• SW6 OFF: Manual Heater operation: Owner's involvement is required for on/off operation.
If you operate the indoor unit with Internal Electric heater with DIP switch 5, note the following:
• SW5 ON: Fan operates continuously. During defrosting or oil return operation, uninterrupted heating can be attained, as a result of continu-
ous heater and fan operation.
• SW5 OFF: Fan discontinuous operation. There would be reduction in heating capacity while defrosting or oil return operation.
56
Off On
Off (default) _
Off (default) _
Master Slave Group control setting using 7-Day Programmable Controller; selects Master/
Slave on each indoor unit.
Variable Auto Sets operation mode for optional Dry Contact accessory.
1. Variable: Auto or Manual Mode can be set through 7-Day Programmable
Controller or Wireless Remote Controller (factory default setting is Auto if
there is no setting).
2. Auto: For Dry Contact, it is always Auto mode.
Off On Selects continuous fan for ducted indoor units.
1. On: Indoor unit fan will always operate at a set fan speed, except when the
system is off, or the outdoor unit is in defrost mode (when the outdoor unit is
in defrost mode, the fan will operate at super low fan speed).
2. Off: Indoor unit fan speed can be changed by on / off.
Off On Selects heater interlock function for Vertical Air Handling units.
1. On: Automatic (heater will automatically operate during heating mode).
2. Off: Manual (heater needs to be manually turned on during heating mode).
Due to our policy of continuous product innovation, some specifications may change without notification.
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