DSW5: Transmission setting of end terminal resistance
• Before shipment, No. 1 pin of DSW5 is set at ON.
• In case of having 2 or more outdoor units connected to the same H-link, set for the second unit the pin number 1 of
DSW5 at OFF.
• If only one outdoor unit is used, no setting is required.
Function Setting position
Setting before shipment
Cancellation
DSW6: Power source setting / individual operation
Function
Setting position
380-415V
(Setting before shipment)
220-240V
(setting before shipment)
In case of multiple operation, must activated to OFF position pin No. 1
DSW1 (PCB2): Cancellation of electrical current detection. Only for RAS-(8-12)HRNM
Function
Setting position
Setting before shipment
Cancellation of electrical current detection
Jumper lead setting (JP1~6)
Setting before shipment:
JP1
JP2 JP3 JP4 JP5 JP6
1 0 0 1 1 1
N O T E
• 0: Open
• 1: Short circuit
The function selection using the jumper lead setting is shown in the table below.
Setting
Function Details
JP1
(Only for RAS-(8-12)HRNM)
Cooling -15 ºC & Heating.
When JP1 is set to “open”, temperature range for cooling mode is fixed until -15
ºC. Not available for individual indoor control.
JP2 Not used —
JP3 Not used —
JP4 Fixing for Cooling Only
When JP4 is set to “open”, operation mode is fixed for cooling. Thermo-ON is
available only by “COOL” or “DRY” mode at indoor unit.
JP5 Alternative Defrosting Mode
When JP5 is set to “open”, alternative defrosting mode is available. When one of
the outdoor units connected by H-LINK II is under defrosting, the other outdoor
units defrosting is cancelled. After one outdoor unit defrosting is completed,
another outdoor unit starts defrosting operation.
JP6 R407C pipes
When JP6 is set to “open”, existing piping system control is available. High
pressure control is performed depending on existing piping strength.
4 Electrical Wiring
87
SMGB0060 rev. 1- 12/2010
4
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