Air Condition Status; Installation; Programming Requirements And Flexibility - Detroit Diesel DDEC VI Application And Installation

INPUTS AND OUTPUTS
4.1.1

AIR CONDITION STATUS

This digital input indicates that the air conditioner is inactive. When the digital input is open, then
the fan is turned on if configured (Air Condition Enable Auto Fan). There is a 10 second delay
when the digital input is grounded before returning to regular idle.
The AC Enable Switch or the AC High Pressure Switch can be used for this input.

Installation

The Air Conditioner Switch is wired to the CPC on pin 2/12.

Programming Requirements and Flexibility

This digital input's parameters are listed in Table 4-2.
Parameter
Parameter
Group
Mode of A/C
6
Status Input
Fast Idle Spd
6 Air Cond
Input
Air Condition
19 Enable Auto
Fan
Table 4-2 Air Condition Status Programming Options
4-4
Description
0 – Disabled
1 – A/C Active Closed
Selects Mode for
2 – A/C Active Open
A/C Switch
3 – LIM Active Closed
4 – LIM Active Open
Fast Idle speed
used when A/C 500 – 3000 RPM
is activated
Enables/disables
the fan when the
A/C is on
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
Setting Default
2 – A/C Active
600 RPM
0 – Disable
1 – Enable
1 – Enable
All information subject to change without notice. (Rev. 01/07)
Access
VEPS or
Open DRS
VEPS or
DRS
VEPS or
DRS