Table 14 — I/O Channel Designations Base Module
TERMINAL
NO.
ASSIGNMENT
T1-2
—
T3-4
—
T5-6
OAT — 5K
V
Thermistor
T7-8
SAT — 5K
V
Thermistor
T9-10
—
T11-12
—
T13-14
—
T15-16
—
T17-25
Y1 — DI (24 vac)
T18-25
Y2 — DI (24 vac)
T19-25
W1 — DI (24 vac)
T20-25
W2 — DI (24 vac)
T21-25
G — DI (24 vac)
T22-25
Compressor 1 Safety — DI (24 vac)
T23-25
Compressor 2 Safety — DI (24 vac)
T24-25
Outside Air Enthalpy — DI (24 vac)
T26-27
Economizer Pos. — AO (4-20 mA)
T28-29
Heat 1 Relay — DO (24 vac)
T30-29
Heat 2 Relay — DO (24 vac)
T31-32
CV Power Exhaust 1/Modulating Pwr Exht — DO (115 vac)
T33-32
CV Power Exhaust 2 — DO (115 vac)
T34-35
Condenser Fan — DO (115 vac)
T36-35
OFC2 — DO (115 vac)
T37-38
—
T39-38
—
K1
Indoor Fan Relay — DO (HV)
K2
Compr. 1 — DO (HV)
K3
Compr. 2 — DO (HV)
LEGEND
AO
— Analog Output
CV
— Constant Volume
DI
— Direct Input
DO
— Direct Output
HV
— High Voltage
K
V
— Kilo Ohms
OAT — Outdoor Air Thermistor
OFC — Outdoor (Condenser) Fan Contactor
SAT
— Supply Air Thermistor
T
— Terminal
NOTE: For 4 to 20 mA signals, all even numbered terminals are negative (−) polarity and all odd
numbered terminals are positive (+) polarity.
—35—
Содержание 558G
Страница 41: ...Fig 50 Component Arrangement 580G H240 360 41 ...