Install Instructions

37
Figure 6-3 Single Temperature Zoned with Circulators_COMBI ONLY
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
6A Hydronic piping (continued)
Installation & Service Manual
DHW piping omitted for clarity.
NOTICE
FIRE TUBE
™
CAUTION
Mixing valves are required for the protection of low temperature loops.
BOILER
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
EXPANSION
TANK
ZONE #1
ZONE #2
ZONE #3
ZONE #4
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
DRAIN
DRAIN POINT
(TYPICAL)
MAKE UP WATER
ZONE CIRCULATORS
(TYPICAL)
FLOW CHECK
VALVE
(TYPICAL)
SYSTEM SUPPLY
SENSOR
(OPTIONAL)
Y-STRAINER
(RECOMMENDED)
MAY SUBSTITUTE LOW LOSS HEADER
CHECK
VALVE
DIR #2000533824