Page 8
See Section 1.B on page 3 for common pipe sizes for system and return/supply headers for dif
ferent system Delta
T’
s.
See SECTION 3 on page 22 for cascade kit details.
See Section 1.C on page 4 for reference to adjust the internal LLH valves (V
-1, V
-2, V
-3) to
their proper positions PRIOR to boiler installation.
W
ARNING: This drawing shows
suggested piping configuration and
valving. Check with local codes and
ordinances for additional requirements.
SECTION 2
Piping and Wiring Diagrams
2.A
Cascade FT Floor Heating Only Boilers Piping and Wiring Diagrams
Figure 8.
Two FT floor heating only models, cascaded reverse return with zone valves.