Carrier Aero 39MN Series - Page 146

146
Fig. 118 — Field-Supplied Control Wiring for VFD Speed Control
NOTES:
1. All conductors are no. 22 AWG (American Wire Gage) minimum.
2. Install jumpers if fire/smoke detector, low limit thermostat, or high pressure switch are not required.
1
2
3
4
5
11
22
33
44
55
6
7
8
9
10
66
77
88
99
1010
11
12
13
14
15
1111
1212
1313
1414
1515
1616
1717
18
Ground – DC Common
Digital Input Common
N.C. Fire / Smoke Det. Contact
N.O. Start / Stop Contact
N.C. Low Limit Thermostat
N.C. High Pressure Switch
24 Vdc
DI-1 Start / Stop
DI-2 Run Enable
DI-4 Start Enable 1
DI-5 Start Enable 2
Field Supplied
Input Connections
* 0-10 v dc
Output Signal
AI-2 Static Pressure Signal (+) 0 - 10 v dc
AI-2 Static Pressure Signal (-) 0 - 10 v dc
AI-2 Cable Shield Ground
+
-
From a Field Supplied 4 Wire
Static Pressure Transducer
DI-6 Internal PID Enable
Jumper
Fig. 119 — Field Wiring for Stand-Alone Static Pressure Control with 4-Wire Static Pressure Transducer
(Voltage Output)
*Acceptable transducer output voltage ranges are 0-10 vdc, 0-5 vdc, and 2-10 vdc. Default sensor range is 0-10 vdc from factory. Use parame-
ters 4008 to configure sensor low voltage and parameter 4009 to configure sensor high voltage.
NOTES:
1. All conductors are no. 22 AWG (American Wire Gage) minimum.
2. Install jumpers if fire/smoke detector, low limit thermostat, or high pressure switch are not required.
3. Program static pressure control set point using parameter 4011 in volts vdc.