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Plan The Zones - Honeywell TrueZONE HZ311, HZ322, HZ432 Manual

Zoning system design manual
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Zoning System Design Manual

Plan the Zones

In planning a zone system, here's what you need:
Panel
• To Operate Dampers and
Equipment
• Transformer to power panel
Dampers
• Round/Rectangular
Divide the Home Into Zones
1
There are a number of ways to divide a house into zones: by floor, in groups of rooms adjacent to each
other, rooms grouped by compass orientation—here is a typical setup:
Zone 1: areas primarily used at night (bedrooms)
Zone 2: areas primarily used during the day (living room, kitchen)
Zone 3: a third space that would benefit from its own HVAC control, such as a master bedroom suite,
a basement, living space above a garage, a home office, etc.
A good rule of thumb is to make no zone smaller than about 25% of total system capacity, measured in
cubic feet/minute (CFM).
Zone 2: Night-time
Zone 2: Night-time
Zone 1: Daytime
Zone 1: Daytime
Fig. 3. Typical residential layout with multiple zones on one HVAC system.
70-2321—03
Thermostats
• Programmable or
Non Programmable
Bypass and Discharge Air
Temperature Sensor:
• To Prevent Static Pressure
Buildup
• DATS protects Equipment
Zone 2: Night-time
Zone 2: Night-time
Zone 1: Daytime
Zone 1: Daytime

Zone 3:
Zone 3:
Home
Home
office
office
M28111

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