Tables 034-078 - Carrier 48FP Controls Operation And Troubleshooting

PSIO1 TERMINAL ID
Channel
+ –
No.
Inputs
1 J7-2 J7-3
2 J7-5 J7-6
J7-8 J7-9
3†
J7-8 J7-7
J7-11 J7-12
4†
J7-11 J7-10
J7-13
5†
J7-13 J7-14
J7-16 J7-17
6†
J7-16 J7-17
7 J7-20 J7-21
8 J7-23 J7-24
9 J7-25 J7-26
J7-28 J7-29
10
J7-31 J7-32
11
J7-33
J7-35 J7-36
12
Pin 36
Outputs
13 J6-39 J6-38
J6-40 —
14
15 J6-43 —
J6-46 J6-47
16
J6-48 J6-47
17 J6-51 J6-50
18 J6-54 J6-53
INPUT/OUTPUT TABLES, CHANNELS 19-30 (DSIO1) — SIZES 034-078
DSIO1 TERMINAL ID
Channel No. +
Inputs
19 J3-1 J3-2
10 J3-3 J3-4
21 J3-5 J3-6
22 J3-7 J3-8
Outputs
J4-3 J4-2
23
J4-3 J4-1
J4-6 J4-5
24
J4-6 J4-4
25 J4-9 J4-8
26 J4-12 J4-11
27 J5-3 J5-2
28 J5-6 J5-5
29 J5-9 J5-8
30 J5-12 J5-11
LEGEND
CV — Constant Volume
HIR — Heat Interlock Relay
IGV — Inlet Guide Vanes
NC — Normally Closed
NO — Normally Open
Temp — Temperature
VAV — Variable Air Volume
*Thermistor voltage signals varies according to temperature at
thermistor; see Thermistor Characteristic Tables 59 and 60 for
correlation of temperature and volts at these channels.
APPENDIX A
INPUT/OUTPUT TABLES, CHANNELS 1-18 (PSIO1) — SIZES 034-078
SIGNAL
Type Level
Analog Varies*
Analog Varies*
Analog Varies*
Analog 1-5 vdc
Analog Varies*
Analog 1-5 vdc
Discrete 24 vac
Analog 1-5 vdc
Discrete 24 vac
Analog 1-5 vdc
Analog Varies*
Analog Varies*
Analog 2-10 vdc
Discrete 24 vac
Analog 2-10 vdc
Analog 2-10 vdc
Discrete 5 vdc
Discrete 10 vdc
Discrete 24 vac
Analog 10 vdc
Analog 10 vdc
Analog 10 vdc
Discrete 24 vac
Discrete 24 vac
Discrete 24 vac
SIGNAL
– Type Level
Discrete 24 vac
Discrete 24 vac
Discrete 24 vac
Discrete 24 vac
Discrete 115 vac
Discrete 115 vac
Discrete 115 vac
Discrete 115 vac
Discrete 24 vac
Discrete 24 vac
Discrete 115 vac
Discrete 115 vac
Discrete 115 vac
Discrete 115 vac
TYPE
Thermistor, 5K SAT — Supply Air Temp
Thermistor, 5K RAT — Return Air Temp
Thermistor, 5K STHA — Saturated Condensing Temp, Ckt 1
Transducer, Pressure DPAV — Discharge Pressure Transducer, Ckt 1
Thermistor, 5K STHB — Saturated Condensing Temp, Ckt 2
Transducer, Pressure DPBV — Discharge Pressure Transducer, Ckt 2
Contact set LPA — Low Pressure Switch, Ckt 1
Transducer, Pressure SPAV — Suction Pressure Transducer, Ckt 1
Contact set LPB — Low Pressure Switch, Ckt 2
Transducer, Pressure SPBV — Suction Pressure Transducer, Ckt 2
Thermistor, 5K OAT — Outdoor Air Temp
Thermistor, 10K SPT — Space Temp
Transducer, Pressure BP — Building Pressure
Contact set ENTH — Enthalpy Switch
Transducer, Pressure SP — Duct Static Pressure (VAV)
Thermistor, 10K STO — Space Temp Offset/T-56
Contact set FLTS — Filter Status
Contact set SFS — Supply Fan Status
Contact, NO MM — Motormaster®/OD Fan Stage 1
Proportional, 4-20 mA ECON — Economizer Damper Position
Proportional, 4-20 mA PED — Power Exhaust Damper Position
Proportional, 4-20 mA IGV — IGV/Inverter/(VAV)
Contact, NO SF2S — Supply Fan Low Speed (CV)
Contacts (NO) HS1 — Heat Stage 1
Contacts (NO) HS2 — Heat Stage 2
TYPE
Contact set CPFA1 — Compressor 1 Safety
Contact set CPFB1 — Compressor 2 Safety
Contact set CPSA1 — Compressor 1 Status
Contact set CPSB1 — Compressor 2 Status
Contact set (NO) CMPA1 — Compressor 1
Contact set (NC) CH1 — Crankcase Heater 1
Contact set (NO) CMPB1 — Compressor 2
Contact set (NC) CH2 — Crankcase Heater 2
Contact set (NO) ULDA1 — Unloader U1
Contact set (NO) ULDB1 — Unloader U2
Contact set (NO) SF — Supply Fan Contactor
Contact set (NO) EF — Exhaust Fan Contactor
Contact set (NO FR2 — Outdoor Fan Contactor, Ckt 1
Contact set (NO) FR3 — Outdoor Fan Contactor, Ckt 2
†When accessory transducer/sensor package has been installed
(requires changes in "Factory Configuration" inputs).
**Field-connection from building/energy management system.
††Field-connection to room terminal heating interlock.
UNIT SIZE
HIR Contact
N.O.
N.C.
103
POINT NAME — ASSIGNMENT
POINT NAME — ASSIGNMENT
034-048 054-078
TB3 TB2
4 + 5 8 + 9
4 + 2 8 + 10