Thermolator TW Series UGH025-0504
TABLE OF
CONTENTS
OPERATION . . . . . . . . . . . . . . . . . . . . . .CONT’D
TW Control Performing an Auto Tune . . . . . . . . . . . . . . . .4-13
TW-1, TW-2 Control Performing an Auto Tune . . . . . . . .4-14
TW-1, TW-2 Control Entering Passcodes . . . . . . . . . . . . .4-16
MAINTENANCE . . . . . . . . . . . . . . . . . . . . .5-1
Preventative Maintenance Schedule . . . . . . . . . . . . . . . . . . .5-2
Accessing the Thermolator Enclosure . . . . . . . . . . . . . . . . .5-3
Checking Reservoir Fluid Levels (IC) . . . . . . . . . . . . . . . . .5-4
TW-1, TW-2 Control Performing System Tests . . . . . . . . . .5-5
TW-1, TW-2 Control Key/Display Test . . . . . . . . . . . . . . . .5-6
TW-1, TW-2 Control Input Test . . . . . . . . . . . . . . . . . . . . . .5-7
TW-1, TW-2 Control Output Test . . . . . . . . . . . . . . . . . . . . .5-8
TW-1, TW-2 Control Output Monitors . . . . . . . . . . . . . . . . .5-9
TW-1, TW-2 Control Calibrating Temperature Sensors . . .5-10
TW-1, TW-2 Control Logging Operating Hours . . . . . . . .5-12
TW-1, TW-2 Control Pulse Mode Description . . . . . . . . . .5-13
TW-1, TW-2 Control Pulse Mode Setup . . . . . . . . . . . . . .5-13
TW-1, TW-2 Control Pulse Mode Limits & Defaults . . . .5-14
TW Control Deviation Alarm/Band and Delay . . . . . . . . .5-14
TW-1, TW-2 Control Vent Timer Adjustment . . . . . . . . . .5-15
TROUBLESHOOTING . . . . . . . . . . . . . . . . .6-1
Before Beginning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
A Few Words of Caution . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Identifying the Cause of a Problem . . . . . . . . . . . . . . . . . . .6-3
TW Control Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5
TW Control Mechanical/Electrical Alarms . . . . . . . . . . . .6-11
TW-1, TW-2 Control Shut Down Alarms . . . . . . . . . . . . . .6-12
TW-1, TW-2 Control Warning Alarms . . . . . . . . . . . . . . . .6-13
TW-1, TW-2 Control Other Warnings . . . . . . . . . . . . . . . .6-15
TW-1, TW-2 Control System Alarms . . . . . . . . . . . . . . . . .6-16
Thermolator Will Not Power Up . . . . . . . . . . . . . . . . . . . .6-17
Replacing the TW Control . . . . . . . . . . . . . . . . . . . . . . . . .6-18
Checking and Replacing Fuses . . . . . . . . . . . . . . . . . . . . . .6-19
Resetting Overloads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-20
Replacing Pump Overload . . . . . . . . . . . . . . . . . . . . . . . . .6-20
Replacing the Motherboard TW-1, TW-2 . . . . . . . . . . . . . .6-21
Replacing the Heater Contactor . . . . . . . . . . . . . . . . . . . . .6-22
Checking Thermocouples . . . . . . . . . . . . . . . . . . . . . . . . . .6-23
Replacing Thermocouples . . . . . . . . . . . . . . . . . . . . . . . . .6-23
PT1000 Sensor Test Readings TW . . . . . . . . . . . . . . . . . . .6-24
Repairing Cooling Valves . . . . . . . . . . . . . . . . . . . . . . . . . .6-25
Repairing Solenoid Valves . . . . . . . . . . . . . . . . . . . . . . . . .6-26
Repairing Motorized Valves . . . . . . . . . . . . . . . . . . . . . . . .6-27
Replacing Heater Elements . . . . . . . . . . . . . . . . . . . . . . . . .6-28
Removing the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-30
Disassembling and Assembling 3/4 to 2 HP Pumps . . . . .6-31
Disassembling and Assembling 3 to 7.5 HP Pumps . . . . . .6-32
APPENDIX
Customer Service Information . . . . . . . . . . . . . . . . . . . . . . .A-1
Warranty/Guarantee Information . . . . . . . . . . . . . . . . . . . . .A-2
Pump Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1
TW Control Default Parameters . . . . . . . . . . . . . . . . . . . . .C-1
TW-1, TW-2 SPI Commands and Status Words . . . . . . . . .D-1
PARTS/DIAGRAMS
TW-1 Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PD-3
TW-2 Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PD-4
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