Code Alarm SRT 1600 Manual de instalación descargar pdf (Pagina 50)

Table 17 – Economizer Control Board (ECB) Connections

DISPLAY NAME POINT DESCRIPTION

SENSOR

LOCATION

TYPE OF I/O

CONNECTION

PIN NUMBER

INPUTS

Input power from MBB control box 24 VAC J 1 , 1 --- 2

RM.OC Remote occupancy switch field installed switch input J4, 2

ENTH or

IAQ.S

Outdoor enthalpy switch, or

Indoor air quality switch

economizer, or

return/space

switch input J4, 4

IAQ Indoor air quality sensor return/space 0 --- 2 0 m A J5, 2

OAQ or

SP.RH

Outdoor air quality sensor, or

Relative humidity sensor

field installed 0 --- 2 0 m A J5, 5

Sensor Common Ground J5, 3

Actuator Common Ground J7, 3

OUTPUTS

Output power to enthalpy switch 24 VAC J4, 3

Output power for loop power sensors 24 VDC J5, 1

Output power to economizer actuator 24 VAC J7, 2

PE.1 Power exhaust 1 relay relay J8, 3

PE.2 Power exhaust 2 relay relay J8, 6

EC.CP Commanded Economizer position 0 --- 2 0 m A J9, 1

COMMUNICATION

Local Equipment Network (LEN) communication J 2 , 1 --- 3

Carrier Comfort Network (CCN) communication J3

EC.CP &

EC.AP

Economizer actuator position

(digital control)

MFT communication J7, 1

48/50LC

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 83 84

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Code Alarm SRT 1600 Manual de instalación Pagina 50