Carrier 50EY User Manual download pdf (Page 51)

Table 23 — I/O Channel Designations Expansion

Module — CV and VAV

TERMINAL

NO.

ASSIGNMENT

T1-2 —

T3-4 —

T5-6 —

T7-8 —

T9-10 —

T11-12 IAQ Indoor — AI (2-10 vdc)

T13-14 IAQ Outdoor — AI (2-10 vdc)

T15-16 —

T17-25 Fan Status — DI (24 vac)

T18-25 Filter Status — DI (24 vac)

T19-25 Field Applied Status — DI (24 vac)

T20-25 Demand Limit — DI (24 vac)

T21-25 Fire — Unit Shutdown — DI (24 vac)

T22-25 Fire — Pressurization — DI (24 vac)

T23-25 Fire — Evacuation — DI (24 vac)

T24-25 Fire — Smoke Purge — DI (24 vac)

T26-27 —

T28-29 —

T30-29 Alarm Light Indicator — DO (24 vac)

T31-32 Power Exhaust Fire #1 — DO (115 vac)

T33-32 Power Exhaust Fire #2 — DO (115 vac)

T34-35 Power Exhaust Fire #3 — DO (115 vac)

T36-35 Power Exhaust Fire #4 — DO (115 vac)

T37-38 —

T39-38 —

K1 —

K2 —

K3 —

LEGEND

AI — Analog Input

DI — Direct Input

DO — Direct Output

IAQ — Indoor Air Quality

T—Terminal

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