351579-YTS-B-0608
Johnson Controls Unitary Products
9
Table 3:
Simplicity
®
Control Inputs
Name
Range
Resolution
Precision
Description
Y1
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the first stage of Cooling (24 VAC sense) Tstat Screw Terminal
Y2
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the second stage of Cooling (24 VAC sense) Tstat Screw Terminal
Y3
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the third stage of Cooling (24 VAC sense) Tstat Screw Terminal
Y4
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the fourth stage of Cooling (24 VAC sense) Tstat Screw Terminal
W1
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the first Stage of Heating (24 VAC sense) Tstat Screw Terminal
W2
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the second Stage of Heating (24 VAC sense) Tstat Screw Terminal
W3
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the third Stage of Heating (24 VAC sense) Tstat Screw Terminal
G
18 - 30 VAC
On - Off
+/- .5 VAC
Request for the Fan (24 VAC sense) Tstat Screw Terminal
R
18 - 30 VAC
-
-
These terminals are a ¼' Female Faston and a Thermostat Screw terminal
connected to the power supply of the board.
C
Earth Ground
-
-
These terminals are a ¼' Faston and a Thermostat Screw terminal.
OCC
18 - 30 VAC
On - Off
+/- .5 VAC
Occupied input (24 VAC sense) Tstat Screw Terminal
SD
18 - 30 VAC
-
+/- .5 VAC
Shut Down input Tstat Screw Terminal
Purge
18 - 30 VAC
On - Off
+/- .5 VAC
Building Purge input (24 VAC sense) Tstat Screw Terminal
BAS Economizer
2 - 10 VDC
Not Read by micro
-
Input that routes to the Economizer output Two Tstat Screw Ter&-
HPS1
18 - 30 VAC
On - Off
+/- .5 VAC
High Pressure Switch for Circuit # 1 (24 VAC sense)
HPS2
18 - 30 VAC
On - Off
+/- .5 VAC
High Pressure Switch for Circuit # 2 (24 VAC sense)
HPS3
18 - 30 VAC
On - Off
+/- .5 VAC
High Pressure Switch for Circuit # 3 (24 VAC sense)
HPS4
18 - 30 VAC
On - Off
+/- .5 VAC
High Pressure Switch for Circuit # 4 (24 VAC sense)
LPS1
18 - 30 VAC
On - Off
+/- .5 VAC
Low Pressure Switch for Circuit # 1 (24 VAC sense)
LPS2
18 - 30 VAC
On - Off
+/- .5 VAC
Low Pressure Switch for Circuit # 2 (24 VAC sense)
LPS3
18 - 30 VAC
On - Off
+/- .5 VAC
Low Pressure Switch for Circuit # 3 (24 VAC sense)
LPS4
18 - 30 VAC
On - Off
+/- .5 VAC
Low Pressure Switch for Circuit # 4 (24 VAC sense)
Limit Switch 1
18 - 30 VAC
On - Off
+/- .5 VAC
High Limit Switch input (24 VAC sense) For Burner section 1
Limit Switch 2
18 - 30 VAC
On - Off
+/- .5 VAC
High Limit Switch input (24 VAC sense) For Burner section 2
Limit Switch 3
18 - 30 VAC
On - Off
+/- .5 VAC
High Limit Switch input (24 VAC sense) For Burner section 3
GV1
18 - 30 VAC
On - Off
+/- .5 VAC
Gas Valve input (24 VAC sense) For Burner section 1
GV2
18 - 30 VAC
On - Off
+/- .5 VAC
Gas Valve input (24 VAC sense) For Burner section 2
GV3
18 - 30 VAC
On - Off
+/- .5 VAC
Gas Valve input (24 VAC sense) For Burner section 3
Test / Reset / Up
ON - Off
ON - Off
-
Test / Reset Button and Increment Data Input
Address / Down
ON - Off
ON - Off
-
Address Button and Decrement Data Input
Alarms / Advance Data
ON - Off
ON - Off
-
Alarm Button and Advance Data Input
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
-40° - 180 °F
+/- 2 °F across
range
This is a 10K
Ω
type 3 Thermistor
Outside Air Temp Sensor
(OAT)
-40° - +180° F
.1° F
-40° - 180 °F
+/- 2 °F across
range
This is a 10K
Ω
type 3 Thermistor
Space Temp Sensor
(ST)
32° - 100° F
.1° F
.5° F
This is a 10K
Ω
type 3 Thermistor
Return Air Temp Sensor
(RAT)
-40° - +180° F
.1° F
-40° - 180 °F
+/- 2 °F across
range
This is a 10K
Ω
type 3 Thermistor
Space Setpoint Offset
(SSA)
0 - 20 K
Ω
1 K
Ω
+ 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
.005 "WC
1% Across range
0 - 5 volt input
Duct Pressure Sensor
(DPS)
0 - 5 VDC0 - 5 "WC
.01 "WC
.05 "WC 1%
across range
0 - 5 volt input
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 K
Ω
1
Ω
+ / - 5
Ω
Resistive Input 0 - 5.5K = CV 10K - 20K = VAV
