Troubleshooting
VVT Bypass Controller
Carrier Proprietary and Confidential
CARRIER CORPORATION ©2017
Installation and Start-up Guide
All rights reserved
27
To clean the flow sensor
You can use a can of compressed air to clean the sensors while the controller is installed or on a repair
bench.
1
Disconnect the
High
and
Low
flow sensor tubes.
2
Insert the compressed air straw 1/4" into the controller's
High
connector.
High
Low
3
Press the air can's trigger twice for no more than 2 seconds each time.
4
Reconnect tubing to the
High
and
Low
flow sensor tubes.
To replace the filter
1
Order a replacement filter from Carrier.
2
Pull the tubing from both ends of the existing filter.
High
Low
Filter
Disconnect
tubing
3
Attach tubing to the new filter.