Standalone Wall-Mount Controller
Specification and Installation Instructions
www.neptronic.com
Page | 3
Wiring
1
2
3
4
7
6
5
8
9
10
11
12
13
14
15
PGM
RUN
JP1
We strongly recommend that all Neptronic
products be wired to a separate grounded
transformer and that transformer shall service
only Neptronic products. This precaution will
prevent interference with, and/or possible damage
to incompatible equipment.
Terminal Description
Terminals
Option Heat Pump
Analog Option
1-Speed Fan 2-Speed Fan 3-Speed Fan
Fan analog
1-Speed Fan 2-Speed Fan 3-Speed Fan
TB1
1
COM (PWR)
Common (power input)
Common (power input)
2
24 Vac (PWR)
24 Vac (power input)
24 Vac (power input)
3
COM (BO)
Common (for binary output)
Common (for binary output)
4
N/A
N/A
N/A
5
N/A
N/A
N/A
6
BO3
Heat W1
select any ramp*
7
BO4
Compressor Y2 Compressor Y2 Fan (speed 3)
select any ramp*
Fan (speed 3)
8
BO5
Heat W2
Fan (speed 2)
Fan (speed 2)
select any ramp*
Fan (speed 2)
Fan (speed 2)
9
BO6
Fan (speed 1)
Fan (speed 1)
Fan (speed 1)
select any ramp*
Fan (speed 1) Fan (speed 1)
Fan (speed 1)
10
BO7
select any ramp*
select any ramp*
11
AO2
select any ramp*
Fan Speed option
•
Modulating
0-10Vdc for ECM Motors
•
Steps of 3,6,9V for 3 Speed
select any ramp*
12
AO3
select any ramp*
select any ramp*
13
COM
Common
Common
14
UI1
Universal Input selection:
•
0-10 Vdc (External sensor, humidity, CO
2
)
•
10K Ohm (External sensor, changeover)
•
Dry Contact**
Universal Input selection:
•
0-10 Vdc (External sensor, humidity, CO
2
)
•
10K Ohm (External sensor, changeover)
•
Dry Contact**
15
UI2
* = select from any of the following ramps:
** = select from any of the following:
•
Cooling 1 w/ fan
•
Cooling 2 w/ fan
•
Heating 1 w/ fan
•
Heating 2 w/ fan
•
Heating 2 without fan
•
Cool/Heat 1 w/ fan
•
COR (changeover) w/ fan
•
Humidify w/ fan
•
CO
2
Alarm
•
Off
•
Off
•
Override
•
Flow Switch
•
Local/Remote Selector Switch
•
Overheat
•
Dirty Filter
•
Window & Door Contacts
•
Occupancy & NSB Sensor
•
Changeover Input
