Faults/Troubleshooting
Faults/Troubleshooting (Continued)
Wall Mount Signals
The PAU Wall Mount Unit uses hard wired terminal block connections to interface to the rest
of the system.
Only qualied licensed electricians should open the PAU enclosure.
A qualied electrician can use the table below to monitor inputs/outputs to aid in diagnosing
problems.
Terminal Connection Description Function
TB1-1 +10VDC Output: +10VDC for Potentiometer option
TB1-2 Command Input Input: 0-10VDC or 0-20mA command signal
TB1-3 Command Common Input: Command common
TB1-4 +24VDC Output: +24VDC for Dyne On and Reset
TB1-5 Dyne On Input: Enables PAU
TB1-6 Reset Input: Resets faults / errors
TB1-7 PAU OK Output: PAU is okay (no faults exist)
TB1-8 P / F OK Output: Coolant Pressure / Flow is okay
TB1-9 PAU On Output: PAU is On
TB1-10 Common Common for the +24VDC
TB2-1 Dyn-Loc Command Input Input: Command signal form Dyn-Loc
TB2-2 Dyn-Loc Command Common Input: Command common from Dyn-Loc
TB2-3 Dyn-Loc Dyne On Input: Enables PAU
TB2-4 Dyn-Loc Dyne On Common Input: Dyne On common
TB2-5 Dyn-Loc H
2
O Output: Dry contact for Dyn-Loc H
2
O safety
TB2-6 Dyn-Loc H
2
O Output: Dry contact for Dyn-Loc H
2
O safety
TB3-1 +24VDC Output: +24VDC for Spare Safety 1
TB3-2 Spare Safety 1 Input: Spare Safety 1
TB3-3 +24VDC Output: +24VDC for Spare Safety 2
TB3-4 Spare Safety 2 Input: Spare Safety 2
TB3-5 +24VDC Output: +24VDC for Spare Safety 3
TB3-6 Spare Safety 3 Input: Spare Safety 3
TB4-1 +24VDC Output: +24VDC for coolant pressure/ow switch
TB4-2 Coolant P/F Input: Coolant pressure/ow switch
TB4-3 +24VDC Output: +24VDC for coolant temperature switch
TB4-4 Coolant Temp Input: Coolant temperature switch
TB5-1 Analog Out (+) Output: Voltage proportional to coil current (0 - 10VDC)
TB5-2 Analog Out (-) Output: Common
Continued next page
28 Dyne Systems • DS820F PAU
DPD-001-04B • © Copyright Dyne Systems, Inc.
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