Program Jumpers - York YK-EP B Operation & Maintenance Manual

FORM 160.87-OM1
ISSUE DATE: 8/24/2018

PROGRAM JUMPERS

NOTE: When replacing a 02430 microboard with a
03630, use the same jumper positions for the jumpers
marked with an *
JP2* – Display power and logic levels Determines the
power supply voltage applied to the display.
Pins 1-2: +5VDC SHARP LQ10D367,
LQ10D368 displays.
Pins 2-3: +3.3VDC SHARP LQ104V1DG61,
LQ104V1DG81 and LG Semicon LP104V2W
displays.
JP3* – Display backlight enable signal level polarity.
Jumper must be positioned according to the
voltage level required to turn on the Display
Backlight.
Pins 1-2: 0VDC – not used.
Pins 2-3: +12VDC or +5VDC as determined
by position of JP4. SHARP LQ10D367
LQ10D368, SHARP LQ104V1DG61,
LQ104V1DG81 and LG Semicon LP104V2W
displays.
JP4* – Display Backlight enable signal logic levels.
Determines the logic levels of the Backlight
Enable signal.
Pins 1-2: +12/0VDC – SHARP
LQ104V1DG81.
Pins 2-3: +5VDC/0VDC SHARP LQ10D367,
LQ10D368, LQ104V1DG61 and LG Semicon
LP104V2-W displays.
JP5* – Display Backlight power. Determines the
power supply voltage applied to the Display
Backlight Inverter Board.
Pins 1-2: +12VDC. SHARP LQ10D367,
LQ10D368, LQ104V1DG61, LQ104V1DG81
and LG Semicon LP104V2-W displays.
Pins 2-3: +5VDC. Not used.
JP7*, JP8* – Display brightness control technique.
Determines whether the display brightness is
controlled by a variable resistance or a vari-
able voltage.
IN: Variable voltage (0 to 5.0VDC). SHARP
LQ10D367, LQ10D368, LQ104V1DG61,
LQ104V1DG81 and LG Semicon LP104V2W
displays.
OUT: Variable resistance – not used.
JOHNSON CONTROLS
JP10* – Factory mounted thermal flow sensor –
evaporator connected to J14.
Pins 1-2: not used.
Pins 2-3: Place shunt in this position
JP11* – Factory mountedthermal flow sensor –
condenser connected to J14
Pins 1-2: not used.
Pins 2-3: Place shunt in this position
JP12* – Not used
Pins 1-2: not used.
Pins 2-3: Place shunt in this position
JP14 – Applies a 120 Ohm terminating resistor across
the COM3 RS-485 port.
IN: Not used.
OUT: Normal position - no bias applied.
JP15 – Applies a pull-up voltage to the COM3 +
terminal.
IN: Not used.
OUT: Normal position - no bias applied.
JP16 – Applies a pull-down voltage to the COM2 -
terminal.
IN: Not used.
OUT: Normal position - no bias applied.
JP17 – Applies a pull-up voltage to the COM2 +
terminal.
IN: Not used.
OUT: Normal position - no termination
applied.
JP18 – Applies a 120 Ohm terminating resistor
IN: Not used.
OUT: Normal position - no bias applied.
JP19 – Applies a pull-up voltage to the COM2 +
terminal.
IN: Not used.
OUT: Normal position - no bias applied.
JP20 – Applies a pull-down voltage to the COM3 -
terminal.
IN: Not used.
OUT: Normal position - no bias applied.
JP21* – Shunt must be removed or hang on one pin
Pins 1-2: Not used
Pins 2-3: Not used
SECTION 5 - SERVICE
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