condensate return system guide spec (1)

8/12/2019 Condensate Return System Guide Spec (1)

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CONDENSATE RETURN SYSTEM

SUGGESTED SPECIFICATION

Specifier Note: to use as a project specification;

A. Insert, in the blank spaces provided, the applicable information

B. Insert the appropriate information from the selections provided in !".#. $elete the items in parentheses or marked %&% 'hich are not applicable to the project re(uirements.$. Insert, 'here applicable, optional non)standard features desired.

LP, EC OR EC-P SINGLE / DUPLEX CONDENSATION RETURN

SPECIFICATION

&*urnish one +- sinle condensate return s/stem, as supplied b/ the boiler manufacturer, model0000000000000consistin of a0000000allon ( [cast iro! or [st""#! $receiver, +- transferpump, and +- float s'itch. 1eceiver shall be e(uipped 'ith all necessar/ openins for makeup,returns, overflo', vent, drain and pump suction openins.

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&*urnish one +- duple3 condensate return s/stem, as supplied b/ the boiler manufacturer, model0000000000000consistin of a0000000allon ( [cast iro! or [st""#! $receiver, +4- transferpumps, and +- mechanical alternator. 1eceiver shall be e(uipped 'ith all necessar/ openins formakeup, returns, overflo', vent, drain and pump suction openins.

5he centrifual transfer pump+s-shall be flane mounted on the receiver. 5he pump+s-shall beclose coupled vertical desin, and shall have a cast bron6e impeller that is bron6e fitted to the castiron pump housin 'ith a rene'able bron6e 'earin rin. 5he mechanical seal shall be rated for4789* service. 5he entire pump assembl/ shall be permanentl/ alined and d/namicall/ balancedto deliver its full rated capacit/. 5he pump+s-'ill be capable of00000pm at0000psi and 'ill

be coupled 'ith a0000hp, 2$, 788 rpm, 7


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*urnish one +- sinle condensate return s/stem, as supplied b/ the boiler manufacturer, model0000000000000consistin of a0000000allon ( [cast iro! or [st""#! $receiver, +- transferpump, +- float s'itch, electrical controls and accessories. 1eceiver shall be e(uipped 'ith allnecessar/ openins for makeup, returns, overflo', vent, drain and pump suction openins.

Standard trim includes +- e3ternall/ adjustable 4)pole float s'itch, +- top and bottom shut)off'ater level aue 'ith automatic shut)off if lass is broken, +- dial thermometer, +- pressureaue for pump dischare, +- bron6e isolation valve bet'een pump and receiver plus a valve ineach bleed line installed for maintenance, +4- liftin e/e bolts +on cast iron receivers 47 allon andlarer or on steel receivers 4 allon and larer-. A cast iron basket inlet strainer 'ith vertical self)cleanin bron6e screen shall be provided for the receiver inlet.

5he centrifual transfer pump shall be flane mounted on the receiver. 5he pump shall be closecoupled vertical desin, and shall have a cast bron6e impeller that is bron6e fitted to the cast ironpump housin 'ith a rene'able bron6e 'earin rin. 5he mechanical seal shall be rated for 4789*service. 5he entire pump assembl/ shall be permanentl/ alined and d/namicall/ balanced todeliver its full rated capacit/. 5he pump 'ill be capable of00000pm at0000psi and 'ill becoupled 'ith a0000hp, 2$, 788 rpm,0000000000volt motor.

5he pump shall completel/ 'ired to a >.?. labeled N@A000panel that is to includecombination manetic starter +havin overload rela/s- 'ith circuit breaker and cover interlockfor lock)out ta)out capabilit/, liht, Automatic)2ff" selector s'itch, momementar/ contacttest" push button, numbered 'irin and terminal strip. A control circuit transformer for eachcircuit shall be provided 'hen the motor voltae is three phase or code re(uires 7 volt controls.

ECC, LPC, DC, OR DS DUPLEX CONDENSATION RETURN SPECIFICATION


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*urnish one +- duple3 condensate return s/stem, as supplied b/ the boiler manufacturer, model0000000000000consistin of a0000000allon ( [cast iron! or [st""#! $receiver, +4- transferpump, +- mechanical alternator, electrical controls and accessories. 1eceiver shall be e(uipped'ith all necessar/ openins for makeup, returns, overflo', vent, drain and pump suction openins.

Standard trim includes +- e3ternall/ adjustable 4)pole mechanical alternator, +- top and bottom

shut)off 'ater level aue 'ith automatic shut)off if lass is broken, +- dial thermometer, +- inletstrainer, +4- pressure aues for pump dischare, +4- bron6e isolation valves bet'een pump andreceiver plus a valve in each bleed line installed for maintenance, +4- liftin e/e bolts +on receivers47 allon and larer-. A cast iron basket inlet strainer 'ith vertical self)cleanin bron6e screenshall be provided for the receiver inlet.

5he centrifual transfer pumps shall be flane mounted on the receiver. 5he pump shall be closecoupled vertical desin, and shall have a cast bron6e impeller that is bron6e fitted to the cast ironpump housin 'ith a rene'able bron6e 'earin rin. 5he mechanical seal shall be rated for 4789*service. 5he entire pump assembl/ shall be permanentl/ alined and d/namicall/ balanced todeliver its full rated capacit/. 5he pumps 'ill be capable of00000pm at0000psi and 'ill becoupled 'ith a0000hp, 2$, 788 rpm,0000000000volt motor.

@ach pump control circuit shall be completel/ independent of the other. 5he mechanical alternatorshall +- chane the operatin se(uence automaticall/ after each c/cle, +4- provide simultaneousoperation under peak load conditions, and +- operate the second pump automaticall/, should theactive pump or its control fail.

5he pump shall completel/ 'ired to a >.?. labeled N@A000panel that is to includecombination manetic starters +havin overload rela/s- 'ith circuit breakers and cover interlockfor lock)out ta)out capabilit/, lihts, Automatic)2ff" selector s'itches, momementar/ contacttest" push buttons, numbered 'irin and terminal strip. A control circuit transformer for eachcircuit shall be provided 'hen the motor voltae is three phase or code re(uires 7 volt controls.

condensate return system guide spec (1)

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