iWorx® HPU3
30
505-035, Effective: June 30, 2015
© 2015 Taco Electronic Solutions, Inc.
Status Inputs
This screen allows the user to define the status inputs as either Normally Open or Normally closed or Disabled. Pro-
vides access to edit these parameters from a single screen.
Backup Occ / Unocc Time
This screen displays all the backup schedule settings and provides access to edit these parameters from a single
screen. Backup times are based on a 24 hour clock.
Commissioning
Allows the user to specify the commissioning override values.
Ki
0.0% to 100.0%
0.05%
Integral control constant
Out Min
0 to 10 Volts
0.0V
Minimum output voltage for modulated
fan operation.
Out Max
0 to 10 Volts
0.0V
Maximum output voltage for modulated
fan operation. If set to 0, fan modulation is
disabled.
Setting
Range
Default
Description
Equip Status Polarity
Disabled,
Normally Open,
Normally Closed
Disabled
Enable equipment status
High Press Alm Polarity
Disabled,
Normally Open,
Normally Closed
Disabled
Enable high pressure status input
Low Press Alm Polarity
Disabled,
Normally Open,
Normally Closed
Disabled
Enable low pressure status input
Setting
Range
Default
Description
Hours
0 to 23
0
Hour to start occupied/unoccupied times.
Minutes
0 to 59
0
Minute to start occupied/unoccupied times.
Setting
Range
Default
Description
Enabled
No, Yes
No
Enables commissioning mode
Modulated Fan
0 to 100%
0%
Set Modulated Fan Output (MFAN)
Digital Fan
Off, On
Off
Set Digital Fan Output (FAN)
Reversing Valve
Off, On
Off
Set Reversing Valve Output (RV)
Compressor Stage 1
Off, On
Off
Set Compressor Stage 1 Output (S1)
Compressor Stage 2
Off, On
Off
Set Compressor Stage 2 Output (S2)
Dehumidification
Off, On
Off
Set Dehumidification Output (DHUM)
Humidification
Off, On
Off
Set Humidification Output (HUM)
Reheat
Off, On
Off
Set Reheat Output (RH)
Auxiliary Heat
Off, On
Off
Set Auxiliary Heat Output (AUX)
Setting
Range
Default
Description
