TFTN 085-199 Installation and Operation Manual
51
Figure 10-6 Plumbing Schematic
–
CH Zone Pumps & Upstream IWH (Option A)
NOTES:
1.
For
ZONE 1-3
to output 120VAC (like in this example), jumper
ZONE INPUT
to
120V
2.
CH PUMP and DHW PUMP are each responsible for circulating water through the boiler, so size accordingly (see Table 10.3).
3.
If using a System Sensor, set
option Auxiliary Sensor 1 (24.6.1) = System Sensor.
4.
If the application uses a System Sensor, set
option DHW Mode = Upstream IWH (Tank Sensor or Aquastat);
otherwise it can be set as Downstream IWH (Tank Sensor or Aquastat).
1
2
3
4
2
