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Table 2

Routine and Preventive Maintenance Program for the

CostGard™ Condensate Drain Seal

(Prepared per ASHRAE Guidelines 4-1993)

CostGard™ Condensate Drain Seals located indoors or outdoors,

with outdoor temperatures above or below freezing

1. Frequency and Time of Inspection and Service:

(a) For Systems That Provide Summer Cooling and Winter Heating

· Annually-during cooling operation, when condensate is flowing

2. Maintenance Effort Required:

(a) If condensate is not flowing freely during cooling operation and/or condensate is standing in the pan:

· Check for debris inside the device and in the condensate drain line. If present, physically remove and flush inside with water

· Check operating pressures per HVAC system specifications. If pressures are outside the design limits, find the cause and remedy it.

(b) Otherwise, no effort is required.

3. Equipment and Material Needed:

(a) Water hose

(b) Pressure gauge

4. Estimated Time Required:

(a) Less than 5 min per inspection + (25 min travel time to and from maintenance shop and system site)

(b) 0 to 30 min per time serviced + (25 min travel time to and from maintenance shop and system site)

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