Issue:
Torque Specifications for the bolts securing the load, unload, and female unloader solenoid valves on the following:
- GP1 (RTAA, RTWA, RTUA 70-125 tons)
- GP2 (RTAC, RTWD, RTAF)
- GP4 (RTAE, ACRA)
- CHHC (RTHC & RTHD)
Resolution:
- Male load and unload solenoid (Round Parker valves)
- The bolts are torqued in 2 steps
- The first torque should be done at 100 in-lbs (cross pattern)
- The final torque at 185 in-lbs
- The bolts are torqued in 2 steps
- Compressors with female unloader (GP1 & GP2)
- Rectangular Danfoss valve
- Bolts should be torqued at 92 in-lbs
Notes:
Resource Available:
- Tech TV Video(s):
- N/A
- Reference Literature: (Electronic copies can be pulled from e-library at Trane Residential (tranetechnologies.com))
- IOM:
- Service Guide:
- Other:
- N/A
Changes:
Other Question/Problem/Cause Statements:
Facts:
- Air-Cooled Chiller
- RTAA
- RTWA
- RTUA
- RTAC
- RTAE
- RTAF
- RTHC
- RTHD
- ACRA
- RTWD
- RTUD
Document Identifier: DOC-177242
Document Identifier: 177242
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.