Hydronic Comfort Controls

Sequential Controller, FED

The FED sensors are used in applications in which a cooling and a heating circuit is to be controlled by one controller. FED sensors can be applied to chilled ceilings, fancoils and induction units.

Sequential Controller, FED

Technical data

Code No.TypeDescriptionTemperature Range
Capillary Tubes


013G5462 FED-FFRemote sensor63 - 80F (17 - 27C)6+6+6 ft (2+2+2m)
013G5463 FED-IFIntegrated sensor63 - 80F (17 - 27C)13+36ft (4+11m)


Application sheets
2-pipe Heat/Cool Changeover, KOVM, VAXXB222
VTA Climate controls setup 2.pdf (0.2 Mb), Literature number: VAXXB222, Language: US English, Release date: 10/06 2015
2-pipe Heat/Cool changeover, RA-C, VAXXA222
VTA Climate controls setup 1.pdf (0.3 Mb), Literature number: VAXXA222, Language: US English, Release date: 10/06 2015

Data sheet
FED Climate Controller VD33T222
FED_DS_VD33T222_Feb2014.pdf (0.3 Mb), Literature number: VD33T222, Language: US English, Release date: 24/03 2014
RA-C Valves For Cooling & Heating Circuits
RA-C-DS_March2014.pdf (0.2 Mb), Literature number: VD33U222, Language: US English, Release date: 10/03 2014

Instruction FED-FF
013R9240Fed-ff-v2.pdf (0.4 Mb), Literature number: VIVLE166, Language: (66) DK,GB,DE,FR,ES,SE,NL,FI, Release date: 01/09 1999