Multi Zone System
A multi zone system (4, 6, or 8 loops) may be used
to control area such as, living quarters, heated garage,
heated pool, and heated driveways to a desired
temperature. A multi zone system may be provided
with a single circulator allowing tubing length
up to 300 feet of 1/2" dia.
installations, such as
offices, cafeteria, hotel
lobbies, gymnasiums, factories, heated warehouses,
aircraft hangers, nursing homes, childcare centers,
etc, a high flow system may have dual
circulators allowing tubing length up to 1000 feet
of 3/4" diameter.
Principles of Operation
When any thermostat
temperature drops below set point, the
respective zone valve will open, activating a
switch within the zone valve.
This turns on the circulator providing flow
through each respective loop.
Any one zone valve may be on at any time, providing
the heating for each respective area.
When any zone thermostat has reached its
desired temperature setting, the respective zone valve is
When all thermostats have reached the desired set point, the
circulator will be turned off.
The liquid level must be at or above the tank level
marking. When liquid level is too low, a audio alarm
will sound and disable (protect) the circulator.