102777-YIM-E-0206
104 Unitary Products Group
Program ON - Off ON - Off - Program Button Input
Real Time Clock
24 hours, 365
Days including
Leap year and
Daylight Savings
Time
Seconds - Real Time Clock Chip
Water Coil Freeze
Stat (FSI)
18 - 30 VAC On - Off +/- .5 VAC Hot Water Freeze Stat (24 VAC sense) two ¼ Fastons
Supply Air Temp
Sensor (SAT)
-40° - +180° F .1° F
- 4 0 ° - 18 0 ° F
+/- 2°F across
range
This is a 10KΩ type 3 Thermistor
Outside Air Temp
Sensor (OAT)
-40° - +180° F .1° F
- 4 0 ° - 18 0 ° F
+/- 2°F across
range
This is a 10KΩ type 3 Thermistor
Space Temp
Sensor (ST)
32° - 100° F .1° F .5° F This is a 10KΩ type 3 Thermistor
Return Air Temp
Sensor (RAT)
-40° - +180° F .1° F
- 4 0 ° - 1 80 ° F
+/- 2 °F across
range
This is a 10KΩ type 3 Thermistor
Space Setpoint Off-
set (SSA)
0 - 20 KΩ 1 KΩ + and - 250 Ω
3 position Mini Screw Terminal shared with Space Temp The
common terminal in the center is common for both the Space
Temp and Setpoint Offset.
Building Pressure
Sensor (BPS)
0 - 5 VDC-.25 -
+.25 "WC
.001 "WC
. 0 0 5 " W C
1% Across range
0 - 5 volt input
Duct Pressure Sen-
sor (DPS)
0 - 5 VDC0 - 5
"WC
.01 "WC
. 0 5 " W C 1 %
across range
0 - 5 volt input
Compressor 1 Over-
load (C1O)
18 - 30 VAC On - Off +/- .5 VAC Compressor number 1 Overload (24 VAC sense)
Compressor 2 Over-
load (C2O)
18 - 30 VAC On - Off +/- .5 VAC Compressor number 2 Overload (24 VAC sense)
Compressor 3 Over-
load (C3O)
18 - 30 VAC On - Off +/- .5 VAC Compressor number 3 Overload (24 VAC sense)
Compressor 4 Over-
load (C4O)
18 - 30 VAC On - Off +/- .5 VAC Compressor number 4 Overload (24 VAC sense)
APS (APS) 18 - 30 VAC On - Off +/- .5 VAC Air Proving Switch (24 VAC sense)
Fan Overload
(FOVR)
18 - 30 VAC On - Off +/- .5 VAC Fan Overload Switch (24 VAC sense)
CV / VAV Input 0 - 20 KΩ 1Ω + / - 5 Ω Resistive Input 0 - 5.5K = CV 10K - 20K = VAV
Demand Ventilation
Input
0 - 10 VDC 0
- 2000 PPM of
CO2
1 PPM
2 0 P PM
1% Across Range
0 - 10 volt input
Remote Control 0 - 10 VDC .05 VDC 0.01 0 - 10 VDC Screw terminal two position Small screw terminal
D i r t y F i l t e r S w i t c h
(FILT)
18 - 30 VAC On - Off +/- .5 VAC This is the Dirty Filter Switch (24 VAC sense)
Low Voltage Detec-
tion
12 - 35 VAC .1 VAC .5 VAC This input monitors the 24 VAC for Low Voltage Detection
Return Air
Humidity (RAH)
0 - 5 VDC0 -
100% RH
.05 VDC1% RH
. 1 V D C
2% Across Range
Scaleable 0 - 10 volts Screw terminal two position Small screw
terminal
Outside Air
Humidity (OAH)
0 - 5 VDC0 -
100% RH
.05 VDC1% RH
. 1 V D C
2% Across Range
Scaleable 0 - 10 volts Screw terminal two position Small screw
terminal
Comm Port 128 nodes
See Communica-
tions
-
Asynchronous Serial Port (RS485) three position Small screw
terminal
24 VAC - Class 1 18 - 30 VAC - - ¼'' quick connect for power to the contactors through the Relays.
TABLE 50: SIMPLICITY CONTROL INPUTS (Continued)
Name Range Resolution Precision Description
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