Gwsc092H, Gwsc120H - Trane Axiom GWS Series Installation, Operation And Maintenance Manual

two screws.
N N o o t t e e : : Certain unit/electric heater combinations require
a limit switch change out for horizontal airflow
applications. Refer to the following instructions
to determine if this process is required for the
unit undergoing installation.
6. After completing installation of the duct covers for
horizontal discharge, proceed to TCO-A
instructions.
GWSC060H,GWSC072H, GWSC092H,
GWSC120H
N N o o t t e e : : 5 tons units supply cover to return opening and
return cover to supply opening.
Supplies needed by installer for conversion: 3 oz. tube
of high Temperature RTV sealant. (500°F/260°C: Similar
to Dow Corning 736)
I I m m p p o o r r t t a a n n t t : : Failure to use recommended sealant could
result in unit performance loss.
If a unit is to be converted to a Horizontal discharge, the
following conversion must be performed:
1. Remove RETURN and SUPPLY duct covers.
2. Place SUPPLY DUCT COVER over downflow return
opening. (insulation side down)
3. Using self-drilling screws, (or screws removed from
duct cover), screw through dimples to attach Duct
Cover to base.
Figure 38. Supply duct cover
4. On original RETURN DUCT COVER, apply ¼"
(6mm.) continuous bead of 500°F RTV sealant
around flange (opposite insulation side), as shown.
WSHP-SVX015C-EN
Figure 39. Return duct cover
RTV Sealant
5. Slide RETURN DUCT COVER (insulation side up)
into supply opening until inward edge of duct cover
engages with the 2 retaining clips on the duct
flange. Secure outward edge of the duct cover with
two screws.
Figure 40. Supply and return openings
Insulation side up
N N o o t t e e : : If unit is equipped with Return Air Smoke
Detector, refer to field conversion instructions
for horizontal discharge before installing return
air duct.
N N o o t t e e : : Certain unit/electric heater combinations require
a limit switch change out for horizontal airflow
applications. Refer to the following instructions
to determine if this process is required for the
unit undergoing installation.
6. After completing installation of the duct covers for
horizontal discharge, proceed to TCO-A
instructions.
TCO-A Instructions
N N o o t t e e : : Applies to only 3 to 10 ton units.
If the unit being installed is listed in the following table
and is equipped with the corresponding model number
of factory installed electric heater package in the table,
the limit control TCO-A must be replaced with the extra
limit control shipped in the heater compartment.
Replace TCO-A following the instructions in steps 1
through 3 below. If the unit being installed does not
have a factory installed electric heater package or is
equipped with a factory installed electric heater model
that does not correspond to any in this table, skip steps
I I n n s s t t a a l l l l a a t t i i o o n n
Supply duct cover
Insulation side
down
Return duct
cover
37