Carrier AC310 - Page 56

6--14T--304
04/08
Input Power Ground Night Light Alternator
5A 5A 5A
Compressor Failure Signal (Optional)
Compressor
Clutch
Free Wheeling Diode
Pressure Switches
Load Relay
a) Blower ON b) Blower Speed 1
Fresh Air Valve
Blower Motor
M
Blower Speed Signal
Blower Speed 2
Outside Sensor (Optional)
Inside Sensor
RS232 RxD
RS232 TxD
(Optional)
Reat Relay
Digital Controller
CSDD BT324
BT--324
DRM
24 V (15)
or 12 V
All Outputs 0.5 A Max.
NTC NTC
Speed
Blower Speed 2 Blower Speed 1
0 1 2 3
Off Off On On
P
<
P
>
Reserve Not Used
Off On Off On
1 2
5
9
13
6
4
8
12
16 20
17
18
3
7
11
15
19 23
21
22 10
14
24
Blower Control Options a) Speed Controller
(Software Selectable) b) Steps
12 or 24
VDC
Figure 6--13 CSDD BT324