Engineering Bulletin

110-22-002-1012

PART 1 - GENERAL

1.1 SUMMARY

A. Furnish and install circulating pumps consistent with the hydronic system’s performance and requirements. The

circulating pumps shall be suitable for the specified system function and capacity.

1.2 REGULATORY

A. Circulating pumps shall be rated to a maximum working pressure of 140 psi (9.7 bar) and temperature of 230°F

(110°C) and where applicable, bear the approval symbol of the required regulatory body.

B. Electrical assemblies (circuitry, wiring terminals and internal connections) of the circulating pumps shall be certified

and registered to bear the emblem of UL, CSA or ETL as required. Electrical assembly shall meet codes and

standards established by national bodies.

1.3 REFERENCES

A. UL 778 Standard

1.4 SUBMITTALS

A. Provide submittals, warranty information and shop drawings in accordance with the General Requirements and as

specified herein. Submit detailed product drawings including wiring schematics. Indicate critical dimensions of the

circulating pumps.

B. Submit manufacturer’s technical data in the form of published Installation and Operation and Maintenance

Manuals to be supplied with the circulating pumps at time of installation.

C. Circulating pumps shall be tested and verified for performance. Copies of “Submittals” shall be made available to

the specifying engineer if requested.

D. Submit dimensional data on for the pump in order to facilitate or allow the end-user/installer to anticipate the

necessary pipe, fittings, fasteners, etc. to complete the system installation.

1.5 DELIVERY, STORAGE AND HANDLING

A. Circulating pumps are shipped in boxes and are to remain in factory shipping condition until immediately prior to

installation.

B. Circulating pumps are to be stored indoors in a conditioned space, protected from exposure to the elements, and

from exposure to other potential contaminants.

C. Factory applied labels are to remain in place and unobscured. These identification tags are to display model

numbers, serial numbers, date codes, and evidence of certifications/listings.