I/O board customer field connections (031-03631)
Figure 8: I/O board customer field connections (031-03631)
035-26662-000
REV E, SHT. 8
To Multi-unit Sequence Cycling TB2-1,9 (See Notes 2, 7)
To Condenser Liquid Flow Switch TB2-1, 11 (See Notes 2, 7)
To Remote/Local Cycling Contacts TB2-1, 13 (See Notes 2, 5, 7)
To Auxiliary Safety Shutdown TB2-1, 31 (See Notes 2, 7)
To Multi-unit Sequence Cycling TB2-1, 9 (See Notes 2, 7)
To Remote / Local Cycling Contacts TB2-1, 13 (See Notes 2, 5, 7)
To Chilled Liquid Flow Switch TB3-1, 12 (See Notes 2, 7)
To Remote LCHLT Setpoint Offset (PWM SIGNAL) TB3-1, 19 (See Notes 2, 7)
To Remote Start/Stop Contacts TB3-1, 7 (See Notes 2, 6, 7)
To Chilled Liquid Pump Runcontacts TB4-44, 45 (See Notes 2, 12, 14, 15)
To Warning Alarm TB4-55, 56 (See Notes 2, 12, 15)
To Remote Mode Ready To Start Contacts TB4-26, 27 (See Notes 2, 12, 15)
To Safety Shutdown Alarm Contacts TB4-42, 43 (See Notes 2, 12, 15)
To Cycling Shutdown Alarm Contacts TB5-40, 41 (See Notes 2, 12, 15)
To Customer Supplied 120 VAC Power TB5-150 (See Notes 2, 12, 14, 15)
To Condenser Pump Run Contacts TB5-151 (See Notes 2, 12, 14, 15)
To Runcontacts TB6-35, 36 (See Note 8)
To Remote Current Limit Setpoint Offset (PWM Signal) TB3 1-20 (See Notes 2, 7)
Note: See Unit wiring for notes.
25Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller