Drain Trap - Greenheck Vektor-M Compact ERS Installation, Operation And Maintenance Manual

Drain Trap

Coils are provided with a stainless steel drain pan with 2-inch (Vektor-M standard series) or 3/4-inch (Vektor-C series)
male NPT drain connection. A drain trap must be connected to the drain connection to allow excess water to flow
out of the drain pan. More importantly though, due to the negative internal static pressure of the coil compartment,
installing the drain trap prevents outdoor air from being pulled into the drain pan and consequently forcing water out
of the pan and into the unit.
To ensure the drain trap works properly, the trap height must account for the difference in static pressure between
ambient conditions outside the unit and the internal negative pressure of the coil compartment.
Refer to local codes to determine drainage requirements. If draining onto
roof, place a drip pan below drain to protect roof. If draining onto roof is
not acceptable, a drain line must be attached to the trap. The drain line
must be pitched away from the unit at least 1/8-in. per foot. On longer
runs, an air break should be used to ensure proper drainage. Local codes
may require drainage into a waste water system.
Drainage problems not only occur from improper drain trap design, but
also from lack of maintenance of the cooling coil compartment. Algae can
form in the drain pan and trap and cause reduced water flow, which can
result in a backup into the system. Regular maintenance will prevent this
from occurring. If the drains have a clean-out opening, be sure to close the
opening after cleaning.
NOTE
A conservative method of trap design is to add 1 inch
minimum to total static pressure.
Field Coating Touch-Up for Scratched Areas
Standard coating and color for the Vektor laboratory exhaust system is Greenheck's LabCoat™, RAL7023 Concrete
Grey.
Failure to perform touch-ups may result in rust or corrosion and accelerate the fade in color and is not covered under
warranty.
TOUCH-UP PAINT REPAIR KIT CONTENTS
• One Zinc Clad aerosol can
• One pint (recoat epoxy primer grey) with one pint
(recoat epoxy primer catalyst)
• One quart H.S. Polyurethane
• One Scotch-Brite™ scratch pad
• Two 1-1/2 inch wide paint brushes
• Four pint-sized empty cans for mixing
• One quart-sized empty can for mixing
• Zinc repair instructions
• MSDS sheets
®
• Connect this end to the plenum drain
•
L
H = 1 in. for each inch of maximum
negative static pressure plus 1 in.
J = 1/2 of H
L = H + J + Pipe diameter
While Greenheck provides heavy-duty, quality products
for marine environments, routine paint touch-ups may
be required in coastal regions where salt or marine
air could damage the coating on a Vektor. The severe
environment will accelerate the damage from any
scratches or chips and it is recommended that those be
repaired immediately.
To order coating repair kits, please reference part number
HAZ2597 PAINT FIELD REPAIR KIT, RAL7023 CONCRETE
GREY. Please contact factory with your fan's serial
number for colors other than our standard RAL7023
Concrete Grey.
Vektor-ERS Energy Recovery Plenum Laboratory Exhaust
NOTE
H
J
11