York YCAS0130 manual Micro Panel Contents, System Data, will not appear

Micro Panel Contents

L O C A L / R E M O T E M O D E

L O C A L

This message shows whether remote or local commu- nications was selected at the time of the fault.

L E A D / L A G C O N T R O L

A U T O M A T I C

This message displays the lead/lag selection pro- grammed at the time of the fault.

L C H L T	=	4	4	.	1	°	F
R C H L T	=	5	2	.	9	°	F

This message indicates the leaving and return chilled liquid temperature at the time of the fault.

M C H L T = 4 3 . 8 ° F

This message indicates the mixed water temperature at the time of the fault. A mixed water sensor may be present when multi-unit sequencing is utilized. If no mixed water temperature sensor is installed, the display

will not appear.	=	4 4	.	0	°	F
S E T P O I N T
R A N G E =	+ / -	2	.	0	°	F

This message displays the programmed chilled liquid setpoint and deviation (control range) programmed at the time of the fault.

A M B I E N T A I R T E M P

7 7 . 6 ° F

This message indicates the outdoor Ambient Air Tem- perature at the time of the fault.

L E A D S Y S T E M I S
S Y S T E M N U M B E R	1

This message indicates which system was in the lead at the time of the fault.

FORM 201.19-NM1 (204)

E V A P P U M P I SO N

E V A P H E A T E R I S O F F

This message indicates the status of both the evaporator pump signal from the microprocessor and the evapo- rator heater.

A C T I V E R E M O T E C T R L

N O N E

This message indicates that a remote device such as a Remote Control Center, an ISN controller, or another de- vice is sending a PWM signal for temperature or current reset is overriding control points programmed through the keypad or default microprocessor setpoints.

System Data:

Following the Common Data is a sequence of twenty information displays which are given twice, first for System 1, then for System 2. In each example, “#” is used to indicate System number:

S Y S # C O M P R E S S O R

I S O N

This message indicates whether the compressor on this system was ON or OFF at the time of the fault.

S Y S #	R U N T	I M E
1 - 3	- 4 8 - 1 7	D	- H - M - S

This message shows the Run Time logged on the system since the last compressor start, in Days (D), Hours (H), Minutes (M), and Seconds (S).

S Y S # M O T O R C U R R E N T

1 3 5 A M P S 7 8 % F L A

This message indicates the compressor motor current in amps and as a percentage of Full Load Amps.

154 YORK INTERNATIONAL