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4
Description and Purpose
IMPORTANT NOTE
The purpose of this manual is to act as an instal-
lation guide only for the LIFEBREATH Air Handler.
Manufacturers' instructions for other components,
such as the waterheater/boiler, must be followed.
All national and local code requirements must be
met when installing a LIFEBREATH Air Handler.
Be sure to consult the proper authorities.
Note: Temperatures greater than 130 °F (54°C) pose
a serious risk of scalding individuals running
domestic hot water for potable use.
This appliance complies with IAS Canada Inc.
Requirement CR95-003, Additional Requirements
for Fan Coil Units for use with Potable Water
Heaters.
All piping and components connected to this appli-
ance shall be suitable for use with potable water.
Toxic chemicals, such as used for boiler treat-
ment, shall not be introduced into the potable
water heater system.
When using this system, and water for space
heating, is required to be at a higher temperature
than for other uses, an anti-scald valve shall be
used to ensure water for other uses is reduced in
temperature to minimize a scald hazard potential.
Combining two or more end uses such as space
heating and the heating of domestic hot water in a
single system has the potential to increase effi-
ciency and reduce overall capital costs. However,
the proper design, installation, and commissioning
of these systems is critical if these advantages are
to be realized.
This manual provides a guideline of good engi-
neering practice in the design, installation and
commissioning of Integrated Combo Systems.
The guidelines in the manual are designed for res-
idential forced warm air Integrated Combo
Systems which utilize domestic water heaters or
boilers and the LIFEBREATH furnace. Heating
and cooling loads shall be calculated in accor-
dance with recognized Residential Heat Loss and
Heat
Gain Calculation methods
. Duct design shall com-
ply with recognized Residential Air System Design
methods
. This manual
provides worksheets to be
used for the purpose of sizing residential water
heaters and the combo furnace.