iWorx® PSU1
22
505-012, Effective: August 10, 2012
© 2012 Taco Electronic Solutions, Inc.
Inputs
The Inputs screen displays the current values of the PSU1’s inputs. These values cannot be changed.
Outputs
The Outputs screen displays the current values of the PSU1’s outputs. These values cannot be changed.
Output Status
Pump 1 Adjust / Pump 2 Adjust
Configuration
This section describes the settings that can be modified.
Name
Range
Description
Outside Temp
-30 to 230
°F (-34.4 to 110
°C)
The outside air temperature as
reported by the networked ASM2
Supply Temp
-30 to 230
°F (-34.4 to 110
°C)
Primary supply water temperature
Return Temp
-30 to 230
°F (-34.4 to 110
°C)
Return water temperature
Demand
Off, On
Status of the demand
Flow Switch
Off, On
Status of the Pump Flow Proof
switch
Delta T
0 to 260 °F (0 to 144.4 °C)
Differential temperature between
the supply and return temperature
readings
Name
Range
Description
Output Status
Structure as defined in a table below
General pump status
Pump 1 Adjust
Structure as defined in a table below
Pump 1 commissioning and runtime
Pump 2 Adjust
Structure as defined in a table below
Pump 2 commissioning and runtime
Pump 1 Modulation
0 to 100%
Pump 1 modulation level
Pump 2 Modulation
0 to 100%
Pump 2 modulation level
Restarts Left
0 to 4
Number of Auto Flow Recovery
Restarts remaining.
Name
Range
Description
Pump #1
Off, On
Status of pump 1
Pump #2
Off, On
Status of pump 2
In Alarm?
No, Yes
Alarm status
Low Temp Circ
Off, On
Low temperature circulation status
Flow Recovery Mode
Yes, No
Is Flow Recovery Mode active?
Name
Range
Description
Commissioning
Auto,
Enabled,
Disabled
Pump commissioning switch state
Runtime
0 to 65535 hours
Accumulated pump runtime
