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20 UNT-IOM-6
o 1. Ensure all panels are in place.
o 2. Tighten unions adequately if unit has a factory deluxe piping
package.
o 3. Properly vent the hydronic coil to allow water flow through the
unit.
o 4. Set water flow to the unit properly if unit piping has the circuit
setter valve.
o 5. Check strainers (if supplied) for debris after applying system
water.
o 6. Install the auxiliary drain pan and route the main drain pan
hoses to the auxiliary drain pan on vertical fan-coil units.
o 7. Ensure all grille options are in place.
o 8. Ensure the air filter is in place.
o 9. Set the damper position to allow the fresh air requirement on
units with a fresh air damper.
Note: Some circumstances may require the unit to run before building
construction is complete. These operating conditions may be beyond
the design parameters of the unit and may adversely affect the unit.
Startup Checklist
Insulate all cold surfaces to prevent condensation. Moisture mixed
with accumulated dirt and organic matter may create an amplification
site for microbial growth (mold) causing unpleasant odors and health-
related indoor air quality (IAQ) problems.
The Trane Company recommends field-insulation of the following
areas to prevent potential condensate and IAQ problems:
1. Supply and return water piping connections
2. Condensate drain lines and connections
3. Fresh air intake duct connections
4. Discharge duct connections
5. Wall boxes
External Insulating
Requirements