Onix Tubing Installation Manual

Blue
Yellow/Green
White
Green
Black
White
Green
Black
L N G
PP
Fusetron
Transformer
R W W W
Black
White
Black
Thermostat
Hook-ups
Supply/Return
21
5
34
867
9
P1 INJ
Black
Green
White
P2 P3
Black
Black
White
White
Black
Red
Black
Multiple zones off boiler with
injection pump mixing
The schematic shown illustrates a multi-zone sys-
tem, where two zoned circulators are being sup-
plied by an injection pump.
Tekmar 353 Injection Control
Piping Schematic
Electrical Diagram
Appendix
Watts Radiant: Onix Installation Manual page 77