Installation and Operation Manual
TFTN 085-199
66
Figure 12-2 Field Wiring Example
–
24V Zone Valves
NOTES:
1.
For
ZONE 1-3
to output 24VAC (like in this example), jumper
ZONE INPUT
to
R
(24V).
2.
NTI Room Sensors can be used in place of convential room thermostats. Daisy-chain B & T of each sensor to
BUS
terminals
B
&
T
at the boiler, taking care to match polarity. Each room sensor must be configured for the zone it is located in.
3.
Only the BOILER PUMP can be a variable-speed type and controlled by the boiler; figure illustrates 0-10V control.
