Temperature Sensor History (Improvements)
TEMPERATURE SENSOR - SEN02039 (Fast Response Temperature Sensor) IMPROVEMENTS:
- Added a bake process to eliminate moisture in the probe (spring 2014)
- Capacitor move, internal component (spring 2015)
- Improved over mold strain relief profile (spring 2015)
- Added bake before over molding (fall 2015)
- Double Bake at Cal Comp: 1718
- Dehumidification of over mold process: 1724
- Double bake replaced with Vacuum Bake at Amphenol: 1806
- Lockout controls added to mold dehumidification (Mid 2018)
- New CR1 Coating (Q1 2021), new sensor is revision E
- Molded Insulation / Single Barrel Design: date code 2306
Note: Sensor PN (refer to Trane Global Parts Group in La Crosse WI and WebCATS for complete part number progression history):
- MOD01719 >>> MOD01720 >>> SEN01961 >>> SEN02039
- MODULE/SENSOR; TEMPERATURE SENSOR, FAST RESPONSE
TEMPERATURE SENSOR - SEN02133 (Standard Temperature Sensor) IMPROVEMENTS:
- Changed to polymer PTCs in Comm circuit (2011)
- New over molded design (mid-2011)
-
Improved potting material in probe end (fall 2012)
- Flexible RTV instead of hard epoxy
- Probe is crimped to hold in place
-
Improved circuit board artwork and wash process (spring 2012)
- Eliminates flux residue from solder processes
- Flux residue combined with moisture and contaminants causes failures
- Fixes non or intermittently communicating temp sensors
- Improved over mold strain relief profile (Spring 2013)
- Powder added to extruded cable (fall 2013)
- Improved R1 R2 pads (fall 2013)
- Improved LBU line order (fall 2013)
- Capacitor move (spring 2015)
- Stepped probe w/heat shrink (Oct 1, 2015)
- Add step “paint” between leads before encapsulation (Mid 2016)
- Dehumidification of over mold process 1729.
- Added 3D Printed Jig to aide lead separation 1809
- Lockout controls added to mold dehumidification (Mid 2018)
- New CR1 Coating (Q1 2020), new sensor is revision P
- Molded Insulation / Single Barrel Design: date code 2305
Note: Sensor PN (refer to Trane Global Parts Group in La Crosse WI and WebCATS for complete part number progression history):
- SEN00981 >>> SEN01211 >>> SEN01314 >>> SEN01959 >>> SEN02133
- SENSOR; STANDARD TEMPERATURE, PROGRAMMING REQUIRED, WITH MALE GLOBAL CONNECTOR, -40 TO 120 DEG C
Products Affected:
- RTAC, CGAM, RTHD, RTAF, RTAE, RTWD, CTV, RTWD
Facts:
- The part numbers listed above may change at any time. Please contact Trane Parts ID Group or use WebCats for the latest part number.
All Pueblo chillers currently being built have the improved sensors installed (January 2016).
Original HUB Document: DOC-112176
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.