Trane MP-4000, Operator'S Manual

Page: 27 / 40

24
NAVIGATING THE CONTROLLER OPERATING MENU
PTI
Turn the U
NIT
O
N
. Allow
Unit to start and stabilise.
Complete the following
steps:
1.Press the PTI Special
Function key.
2. Press the F2/F3 keys to scroll down to select
from the different PTI test.
3. Press the F4 key to ACCEPT and start the
PTI or test.
VIEWING ALARMS/
WARNINGS
To view the alarms that are
present, turn the U
NIT
O
N
.Allow Unit to start and
stabilise.
Complete the following
steps:
1. Press the F1
/A
LARM
K
EY
. The Alarm List
appears.
2. Press the F2/F3 keys to scroll between
Alarms that are present.
3. Press the F4 key to acknowledge the Alarm.
Press F1 again to exit.
DISPLAY
ALTERNATE
FAHRENHEIT (F)
OR CELSIUS (C)
TEMPERATURES
To view the alarms that are present, turn the
U
NIT
O
N
.Allow Unit to start and stabilise.
Complete the following step:
The controller can display temperatures in
Celsius or Fahrenheit. Press the F2 function
key display will change to C or F
To change the display to C or F permanently,
press and hold the F2 C/F key, then confirm
“ARE YOU SURE YES or NO. Some
customers do notallow the display to be change
permanently.
CHANGING
SETPOINT
To change the controller
setpoint, turn the U
NIT
O
N
.Allow Unit to start and
stabilise.
Complete the following
steps:
1.Press the
F3 key at the
main screen. The Setpoint Change menu
appears.
2. Press the F2/F3 keys to scroll the Setpoint
Up or down - depending on your required
Temperature.
3. Press and hold the F4 key until you are
returned to the main Screen. The new
setpoint is recorded in the controller and
appears in the display.
CONTROLLER BACK-UP BATTERY
Every Controller has a Back-up Battery. This
will allow the controller to be energized if the
unit is not connected to shore power. The
technician can change settings in the controller
- Setpoint, etc.
Press the ON/OFF key, the controller will
energize and stay energized for 25 sec, by
pressing any of the Menu keys the 25 sec timer
will reset to 20 sec.