ROOF TOP INSTALLATION
The Garmat
®
USA air make up units are
not designed as exterior structures.
NOTE: GARMAT® USA INC, DOES
NOT RECOMMEND
INSTALLATION OF THE
HEATING UNIT OUTDOORS.
INDOOR SUSPENSION
MOUNTING
A support system must be made by
installers to support the entire air make
up unit. It is recommended that this
support system be suspended by 1/2” -
13 threaded rod (or greater).
WARNING: IF SERVICE
PLATFORM IS REQUIRED,IT IS
THE INSTALLERS
RESPONSIBILITY. IF PLATFORM
IS ADDED, ADDITIONAL WEIGHT
MUST BE ADDED TO TENSILE
STRENGTH
.
REQUIREMENTS
FOR BUILDING STRUCTURE.
CAUTION: DURING
INSTALLATION, VIBRATION
ISOLATION SHOULD BE
INSTALLED TO PREVENT
TRANMISSION TO THE
BUILDING STRUCTURE.
BELTS & DRIVES
After unit is connected to utilities and is
ready for start up, install fan belts and
sheaves. Adjust for proper belt tension.
Proper tension is achieved when the belt
can be depressed 1/2” with moderate
pressure at mid point between the motor
and the fan sheves.
The Garmat
®
USA, Inc. air make up
unit comes with solid bushing mounted,
and variable sheaves. If adjustment to
air through-put is needed, the vairable
sheaves can be adjusted. Always check
motor amperages to ensure that loads
stay within the motors’ electrical plate
ratings. Failure to do so will void motor
warranty. After adjustments are made,
the variable sheaves must be secured
with thread lock.
GAS MANIFOLD
The Garmat
®
USA, Inc. air make up
units are equipped with one manifold
designed to meet IRI requirements.
The gas train of the air make up unit is
suitable for connection to supply
pressures from 21” WC maximum to 7”
WC minimum for natural gas and 5”
WC maximum to 3” WC minimum for
propane (LPG). Capacity for both types
of fuel are to provide input to specified
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