York YLPA 0115SE, Installation, Operation And Maintenance Manual

Page: 38 / 90

38
JOHNSON CONTROLS
FORM 150.68-ICOM1
ISSUE DATE: 10/15/2020
This message indicates the status of the evaporator
pump contact. After the 30 second stop to start timer
has timed out the pump is started by closing a contact
(terminals 23 & 24 on –XTBC2). If there is a Leaving
Liquid Temperature Cutout, or any of the compressors
are running or with the daily schedule not calling for a
shutdown with unit switch on and the remote stop/start
input closed (terminals 13 & 14 on –XTBC1).
EVAPORATOR WATER
PUMP STATUS YYYY
If the optional Hydro Kit is fitted the above message
relates to the unit internal pump.
On dual pump Hydro Kits the following messages are
displayed:
EVAPORATOR WATER
PUMP 1 STATUS YYYY
EVAPORATOR WATER
PUMP 2 STATUS YYYY
EVAP PUMP TOTAL RUN
HOURS = XXXXX
This message indicates the total hours that the pump
contact is closed (terminals 23 & 24 on –XTBC2).
PUMP TOTAL RUN
HOURS = XXXXX
If the optional Hydro Kit is fitted the above message
relates to the unit internal pump. On dual pump Hydro
Kits the following messages are displayed:
PUMP NO1 TOTAL RUN
HOURS = XXXXX
PUMP NO2 TOTAL RUN
HOURS = XXXXX
There are several types of remote systems that can be used
to control or monitor the unit. The following messages
indicate the type of remote control mode active:
ACTIVE REMOTE CTRL
NONE
No remote control active. Remote monitoring may be
via ISN.
ACTIVE REMOTE CTRL
ISN
YorkTalk via ISN (Remote Mode).
ACTIVE REMOTE CTRL
LOAD LIM
Load limiting enabled. Can be either stage 1 or stage 2
of limiting.
ACTIVE REMOTE CTRL
PWM TEMP
EMS-PWM temperature reset.
LAST DEFROST SYS 1
DURATION XXX SEC
In the heating mode the above message shows the last
system to defrost and the duration of that defrost.
TIME REMAINING TO
SYS 1 DEFROSTXXX MIN
In the heating mode the above message shows next
system to be defrosted and the time remaining to that
defrost.
TRAY HEATER STATUS
OFF
When the optional defrost tray heaters are fitted, the
above message shows the status of the heaters ON or
OFF
SYS 1 COMP STATUS
1=ON 2=ON 3=ON
SYS 1 RUN TIME
XX-XX-XX-XX D-H-M-S
SYS 1 COOLING
XX-XX-XX-XX D-H-M-S
SYS 1 LAST STATE
COOLING
SYS 1 MODE SV IS OFF
SYS 1 FAN STAGE XXX
The above six message will appear sequentially, first for
system 1, then for system 2.