Issue
Retrofit of a Model 85 Temperature Controller.

Product Line
Medium Voltage Dry Type Transformers

Resolution
Use a kit part # 24806-001-50 for Indoor Xfmer or  24806-001-51 for Outdoor Xfmer. Kit comes with K thermocouples to replace existing thermistors . Include serial # of transformer so the controller can be set for correct temperature rise otherwise 80C is default .

Attached is the document "Instructions for Field Retrofit of a Model 98A Digital Temperature Controller in place of a Model 85 Temperature Controller" 24806-003-01 Rev 0
This document contains a set of instructions for retrofitting a Model 98A Digital Temperature controller in place of an existing Model 85 Temperature controller.

Note: For Model 98A controller replacement only (no retrofit kit w/ enclosure), the part numbers are:
2480600850 - Indoor
2480600851 - Outdoor