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Supply
Control
Signal
4-20ma Setup 10 vdc Setup
1) S3-1 On, 3-2, 3, 4 Off (Default)
2) S1-2 On, S1-1, 3 Off (Default)
3) S2-1 On, S2-2, 3 Off if 4-20ma
S2-1, 2, 3 All Off If 0-10vdc
4) Select Corresponding Control Signal
Type In Operation Setup Menu.
Main Stat/Sensor In
Modulating
High Limit Sensor
Outdoor
Temperature Sensor
Ground
S5079a,b,c
Figure 11-1
0-10 Vdc or 4-20mA Control Signal
Figure 11-2
RH Sensors/Transmitters
Supply
Main Stat/Sensor In
Modulating
High Limit Sensor
Outdoor
Temperature Sensor
Ground
Main Control
Sensor
High Limit
Sensor
Outside
Temperature Sensor
(Optional)
SYM Function Description
S1
and
S3
Power Supply
S1 S3
24Vac: S4-2 on S4-1, 3 Off S3-1 on S3-2, 3, 4 off
24Vac: S4-1, 3 on S4-2 Off S3-2 on S3-1, 3, 4 off
10Vac: S4-1, 3 on S4-2 Off S3-3 on S3-1, 2, 4 off
5Vac: S4-1, 3 on S4-2 Off S3-4 on S3-1, 2, 3 off
4 on 5 off: Thermistor
4 off and 5 on: Temp. Sensor
Switch Positions
3: Outside Temp. Sensor
On: Current Signal
Off: Voltage Signal
4&5: Outside Temp. Sensor
Input Signal Type SelectS2
For Sensors Select
(S1 and S3 together)
At one time, only one digit of S3-1, 2, 3 or 4 should be on.
2: High Limit Sensor
Settings
1: Stat/Main Sensor
Select RH sensor in sensor select window in operation setup menu
if using high limit sensor, select high limit sensor, set high limit set
point, 85% default.
If using out temperature sensor, select “outside temperature”.
Select signal type in operation setup menu.
Select desired RH in operation setup menu.
Verify PID settings in operation setup menu.