Taco Electronic Solutions iWorx MPU2, Installation Manual

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iWorx® MPU2/MPU3
502-009, Effective: April 17, 2013 15
© 2013 Taco Electronic Solutions, Inc.
8.Press Setpoints .
9.The Setpoints menu opens.
a.Select Cooling Setpoint .
b.Select Heating Setpoint .
c. Select Supply Cool Limit (sets deviation from set-
point for alarm).
d.Select Supply Heat Limit (sets deviation from set-
point for alarm).
e.Press Save .
10.Press Supply Temp Reset Curve .
11.The Supply Temp Reset Curve menu opens.
a.Select Min Differential .
b.Select Max Differential .
c. Select Cool Setp Low .
d.Select Cool Setp High .
e.Select Heat Setp Low .
f. Select Heat Setp High .
g.Press Save .
12.Press Pressure Settings .
13.The Pressure Settings menu opens.
a.Select Static Pressure Setpoint in Inches of WC.
b.Select the IAQ Setpoint (if applicable).
c. Select Min Output Voltage (VDC) for Bypass
Damper (commonly 0-2VDC).
d.Select Max Output Voltage (VDC) for Bypass
Damper (commonly 10VDC).
e.Note: VFD Settings - If VFD drive is utilized in lieu
of bypass damper, swap the settings in steps c.
and d. above. IE: Min Output = 10VDC, Max Out-
put = 0 or 2VDC.
f. Select Press Min (Static pressure to report when
the Duct SP sensor provides 0 VDC).
g.Select Press Max (Static pressure to report when
the Duct SP sensor provides 10 VDC).
h.Press Save .
i. Note: DO NOT change factory KP/KI settings.
Please review Factory KP/KI Setting White Paper #
508-001.