Operator Settings - Trane HORIZON ABDA Manual

Settings Menu
Operator Service
Settings Settings

Operator Settings

The Settings keys (second row) allow the operator to select
from four menu groups. Entering a group allows the
operator to select any items contained within the group. A
settings group starts at a header display when the selected
setting key is pressed.
Operator Settings
1. Operator Settings
Chilled Water Setpoints and Purge Control
Press (Next) (Previous) to Continue
2. If Password Feature Enabled
Settings in this Menu are: (Status)
Where status is locked or unlocked.
3. Purge Mode
Purge Operating Mode: (Mode)
Press (+) (-) to Change Setting
Possible values of (Mode) are: Stop, ON, Service Pumpout
(service pumpout turns on the pumpout valve for
continuous pumpout during servicing). Normally set to ON.
4. Clock
Current Time and Date HH: MM xm Mon xx,xxxx
To Change Day, Press (+) (-) and (Enter)
The five times changing screens are as follows:
Current Time and Date HH: MM xm Mon xx,xxxx
(Enter) to Change: (Next) to continue
Current Time and Date HH: MM xm Monxx,xxxx
To Change Hour, Press (+) (-) and (Enter)
Above screen repeats for minutes, month, and year.
5. Chilled Water Setpoint
Front Panel Chilled Water Setpoint: xxx.x f/c
Press (+) (-) to Change Setting
Range of Values for ABS is 38 to 70°F (3.3 to 21.1°C) in
increments of 1 or 0.1°F or °C. Default is 44.0°F (6.7°C).
To change the setpoint, press (+) (-) to new setpoint, then
press Enter (or press Cancel to revert back to previous
setpoint).
When the Front Panel Chilled Water Setpoint is within 1.7°F
of the leaving water temperature cutout setpoint or within
2.7°F of the low refrigerant temperature cutout setpoint, the
second line of this display will read: "Limited by Cutout
Setpoint, (+) to Change."
32
Diagnostics
Service
Tests
6. Chilled Water Setpoint Source (applicable with External
Chilled Water Setpoint Only). If the Tracer Option is
installed, the word "Default" will appear in front of the
setpoint source.
(Default) Chilled Water Setpoint Source:
(Source)
Possible values of (source) are Front Panel Default or
External.
7. Chilled Water Reset Type:
Press (+) (-) to Change Setting
The possible values for (type) are: Disable-Default, Return,
Constant Return, or, Outdoor Air
When Disable or Constant Return are selected, other chilled
water reset displays are removed.
8. Reset Ratio
(Type) Reset Ratio: xxx %
Press (+) (-) to Change Setting
Steps 8, 9 and 10 are displayed only if Return or Outdoor
Air is selected as the chilled water reset type.
9. Start Reset
(Type) Start Reset Setpoint xxx.x F
Press (+) (-) to Change Setting
10. Max Reset
(Type) Max Reset Setpoint xxx.x F
Press (+) (-) to Change Setting
11. Front Panel Hot Water Setpoint.
This setpoint is displayed when the Hot water option is
enabled.
Front Panel Hot Water Setpoint xxx.x F/C
Press (+) (-) to Change Setting
Set Point Range is 140 to 180 degree F in increments of 1 or
0.1°F or °C depending on the Service Setup
Screen xxx or xxx.x. Default is 140°F.
12. Hot Water Setpoint Source Displayed if the Auxiliary
Heating and the External Hot Water Setpoint options are
selected.
If a Tracer is installed, the word "Default" will appear in
front of the setpoint source.
(Default) Hot Water Setpoint Source:
(Source)
Selection options are: Front Panel, Default-External.