AAON Airflow, Руководство для стартапов, Страница: 9 / 32

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3. ELECTRICAL & PNEUMATIC CONNECTIONS
All electrical and pneumatic connections to the AAON Airflow Signal Processor have been made at the
factory as shown in Figures 1 through 3 below, with the exception of the electrical connection for
network communication options other than with WattMaster Controls, if applicable. The following
procedure outlines the steps for installing the interface wiring for network communication and for
turning ON the AAON Airflow Signal Processor. Skip Step 3 if network communication is not required
or if WattMaster Controls are provided.
Caution - All electrical connections must be made with the AAON Airflow Signal Processor Power
Switch in the OFF position.
Step 1. Remove the corner mounting screws on the AAON Airflow Signal Processor cover by
turning each screw counter clockwise.
Step 2. Remove the cover.
Step 3. If network communication is required, verify that the Power Switch (S3) is in the OFF
position and install the interface wiring for Pins 9 and 10 as shown in Figure 1. The three
electrical connectors (J1, J2, and optional J3) have removable terminal blocks for ease of
installing the interface wiring.
Step 4. Turn the Power Switch (S3) to the ON position; see Section 4.1 and 4.2 for display
descriptions.
Step 5. Configure the required parameters as outlined in Section 5; see Section 4.3 for a
description of the Key locations and functions.
Step 6. Replace the cover by turning each corner cover mounting screw clockwise.
J1
1 2 3 11 12 13 14 15 16 17 18
4 5
6 7 8
J3 (ALARM OPTION) J2
ON
OFF
POWER
SWITCH
ENTER
ESC
10 9
LON
INPUT
TEMP.
mA
V
PROC.
OUTPUT
mA
V
10V
5V
(24VAC/DC)
POWER SUPPLY
ANALOG RECEIVING DEVICE
PROCESS OUTPUT
S1
S2 S4
+
-
TEMPERATURE OUTPUT POWER (+ 24VDC)
- TEMPERATURE (GND)
+ TEMPERATURE INPUT
+ NETWORK COMMUNICATION
- NETWORK COMMUNICATION
- ANALOG PROCESS OUTPUT(GND)
+ ANALOG PROCESS OUTPUT
8
10
9
EARTH GROUND
1
24VAC / DC
3
2
J1
4
6
7
5
J2
J3 (ALARM OPTION)
15
17
18
16
11
13
14
12
NC
LOW ALARM NO
NC
COM
PURGE HOLD
HIGH ALARM
COM
NO
SWITCH POSITIONS
SHOWN IN BLACK
S1 POSITION
INDICATING 4-20mA
TEMPERATURE INPUT
S2 AND S4 POSITIONS
INDICATING 0-10VDC
PROCESS OUTPUT
RP1
S3
NETWORK
COMMUNICATION
+
-
AAON
TEMPERATURE
TRANSMITTER
(4-20mA LOOP POWERED)
+
-
Figure 1 - Electrical Connections