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5
Getting Started
Notice: This manual is based on North American installation requirements and some aspects may not be directly applicable
to New Zealand installations. Please contact Switch (0800765 431) for more information.
A. Design, Installation & Location Considerations
Notice: Check building codes prior to installation.
• Installation MUST comply with local, regional, and
national codes and regulations.
• Consult insurance carrier, local building inspector,
fire officials or authorities having jurisdiction over
restrictions, installation inspection and permits.
Since pellet exhaust can contain ash, soot or sparks, you
must consider the location of:
• Windows
• Air Intakes
• Air Conditioner
• Overhang, soffits, porch roofs, adjacent walls
• Landscaping, vegetation
When locating the flue and termination, vent above roof
line when possible. Minimum flue length should be 600mm
above roof penetration.
Warning! Risk of Fire, Damaged parts could impair safe
operation. Do NOT install damaged, incomplete or substitute
components.
Notice: Locating the appliance in a location of considerable
air movement can cause intermittent smoke spillage from
appliance. Do not locate appliance near:
• Frequently open doors
• Ventilation/ extractor fans
• Ducted heating / cooling outlets or returns
B. Draft
Draft is the pressure difference needed to exhaust
appliances successfully. When an appliance is drafting
successfully, all combustion by-products are exiting the
home through the flue.
Considerations for successful draft include:
• Preventing negative pressure
• Location of appliance and chimney
To measure the draft or negative pressure on your
appliance use a magnahelic or a digital pressure gauge
capable of reading 0 - .25 inches of water column (W.C.).
The appliance should be running on high for at least 15
minutes for the test.
22
Heatilator • ECO-NZ-PS35 • 7072-111B • December 1, 2011
Installer's Guide
With the stove running on high you should have a negative
pressure equal to the number given in the chart below. This
can be adjusted up or down by altering the combustion fan
speed adjustment on the control box (see"Commissioning"
on page 31). If after adjusting the fan speed you have a
lower reading than you find on the chart, your stove does
not have adequate draft to burn the fuel properly.
MODEL
ECO-NZ-PS35
Correct low draft or low vacuum problems by doing one of
the following:
• Thoroughly inspect and if necessary, clean the exhaust
path and flue. See "Cleaning the Exhaust Path, Baffles
& Drop Tube" on page 14. Inspect for worn or broken
gaskets. Repair any gaskets suspected of leaking.
• Refer to "Design, Installation & Location Considerations"
on page 22 for recommendations on locating
your appliance and chimney and for causes of and
minimizing negative pressure
Notice: Hearth & Home Technologies assumes no responsibility
for the improper performance of the flue system caused by:
• Inadequate draft due to environmental conditions
• Downdrafts
• Tight sealing construction of the structure
• Mechanical exhausting devices
C. Negative Pressure
Warning! Risk of Asphyxiation! Negative pressure can cause
spillage of combustion fumes and soot.
Negative pressure results from the imbalance of air
available for the appliance to operate properly. It can be
strongest in lower levels of the house.
Causes include:
• Exhaust fans (kitchen, bath, etc.)
• Range hoods
• Combustion air requirements for furnaces, water
heaters and other combustion appliances
• Heat transfer kits
• Clothes dryers
• Location of return-air vents to furnace or air conditioning
Minimum Vacuum
Requirements
0.11 inches W.C.
www.heatilatorecochoice.com
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