Table 14 Ð I/O Channel Designations Base Module

 

 

 

 

 

 

 

 

TERMINAL

 

ASSIGNMENT

 

 

NO.

 

 

 

 

 

 

 

 

T1-2

 

Ð

 

 

 

T3-4

 

Ð

 

 

 

T5-6

 

OAT Ð 5K V Thermistor

 

 

T7-8

 

SAT Ð 5K V Thermistor

 

 

T9-10

 

Ð

 

 

 

T11-12

 

Ð

 

 

 

T13-14

 

Ð

 

 

 

T15-16

 

Ð

 

 

 

T17-25

 

Y1 Ð DI (24 vac)

 

 

T18-25

 

Y2 Ð DI (24 vac)

 

 

T19-25

 

W1 Ð DI (24 vac)

 

 

T20-25

 

W2 Ð DI (24 vac)

 

 

T21-25

 

G Ð DI (24 vac)

 

 

T22-25

 

Compressor 1 Safety Ð DI (24 vac)

 

 

T23-25

 

Compressor 2 Safety Ð DI (24 vac)

 

 

T24-25

 

Outside Air Enthalpy Ð DI (24 vac)

 

 

T26-27

 

Economizer Pos. Ð AO (4-20 mA)

 

 

T28-29

 

Heat 1 Relay Ð DO (24 vac)

 

 

T30-29

 

Heat 2 Relay Ð DO (24 vac)

 

 

T31-32

 

CV Power Exhaust 1/Modulating Pwr Exht Ð DO (115 vac)

 

 

T33-32

 

CV Power Exhaust 2 Ð DO (115 vac)

 

 

T34-35

 

Condenser Fan Ð DO (115 vac)

 

 

T36-35

 

OFC2 Ð DO (115 vac)

 

 

T37-38

 

Ð

 

 

 

T39-38

 

Ð

 

 

 

K1

 

Indoor Fan Relay Ð DO (HV)

 

 

K2

 

Compr. 1 Ð DO

(HV)

 

 

K3

 

Compr. 2 Ð DO

(HV)

 

 

 

 

 

 

 

 

LEGEND

 

 

AO

Ð Analog Output

 

 

CV

Ð Constant Volume

 

 

DI

Ð Direct Input

 

 

DO

Ð Direct Output

 

 

HV

Ð High Voltage

 

 

KV

Ð Kilo Ohms

 

 

OAT Ð Outdoor Air Thermistor

 

 

OFC Ð Outdoor (Condenser) Fan Contactor

 

SAT

Ð Supply Air Thermistor

 

 

TÐ Terminal

NOTE: For 4 to 20 mA signals, all even numbered terminals are negative (−) polarity and all odd numbered terminals are positive (+) polarity.

Ð35Ð

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Bryant 580G manual I/O Channel Designations Base Module, Terminal Assignment, Sat

580G specifications

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