MicroMetl ECD-SRTCB-D0 Install Manual page 11

MicroMetl
Since 1965
3 RETURN AIR
ACTUATOR
(FIELD WIRED)**
DIRECT DRIVE
ACTUATOR
(OUTSDIE AIR)**
**
Blk (1) Common
Red (2) + Hot
Wht ( Wht (3) 2 to
Input,
1
Grn /Org (5) U
Output,
NOTE: Outside air damper will open when return is closed and vice versa.
2
2
10V
2 to
10V
EC*-SRT/MRT**C*-D0DB-X/4
Optional Field Installed
1
Enthalpy sensor
500 OHM
RESISTOR
9
Optional Field Installed Enthalpy
1
sensor.
Connect Red wire to 24V and Black
wire to GRND on sensor.
Optional Field Installed CO2 Sensor
2
4-10mA Output
Connect – to Red wire and + to
White wire.
RA Actuator wiring only for ECE
3
economizers.
ECONOMIZER PLUG
1
2
3
4
5
6
7
8
9
OUTSIDE AIR
TEMPERATURE
SENSOR
10
11
12
1 5
9
2
6 10
3
7 11
8
4 12