- *LCU When does a Precedent or Voyager 2 need a RTVM board installed for DCV/CO2?
Units that do not require a RTVM for DCV
Constant Volume units
Multi-zone VAV units (any Precedent or Voyager 2 that has a RTAM board)
Units that require a RTVM for DCV
Precedent and Voyager 2 Multi-speed units
Precedent and Voyager 2 Single Zone VAV units
Precedent 17 Plus units
Precedent WHC units (High efficiency Heat Pumps)
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.