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FEH-11-04 02:09 Pn IqPMO 3167733339 P.02 <br /> � . �' � 1 <br /> 5 7 Wnrw�r,y femp��raiure�;. Hot water demand or automatiC ecGvated hol weler p��mp�i�g <br /> tiyslums shali be nesiyneU t� function et supply temp9r�ures from '0'F (4"C) tc� 1SO' F <br /> 1(�ti"C) ;and shall wrthstand 18Q°F (82°C) for 0.5 hr without igilure ot t5e pressure3 e!nvulope! <br /> 5�:! tnstallatlon. Instaualion shall be In occordance with the manufaclwer's nsfructions eind thc� <br /> nK�uiremvnts nf the Uniform Plumbing Code. <br /> 5 4 F.ler.tncal Compononts. Elactric8l compnnents shall be iisled lo appmved stand�rds <br /> S�i ValveK. Hot wate� damand or automatie aG[ivated hot wetar p�mping systems shall p� dvHn� <br /> mc� floN o� water in both directions when dosed <br /> y 6 T'oxlcity Evaluation. All materiels caminp mto contact with potablo watc�r shali comply w�ai <br /> rf,e lale�si e�fition of NSF 61 <br /> 6. TESTING REQUIREMENTS <br /> 6 1 Flow Capaefty Teet. Hot water demend or autornatic activated hot waGrr pumpinV <br /> system:, shall be tested by connecting lo smooth interior pipe or tu6inp al least 20 inside <br /> d�nmah rs long at the inlet(s) and at lhe ouNet The systam to be tested shall be c:onnxc:tecl <br /> t�, pipf: .x tubing oi the same nominal pipe size as i:s pipe inlet. The pump andlor contiols <br /> shall br� made ine�ective during tha t9st. <br /> l n� I�;:.� shall be performed with water ai 14� 3 11J"F (BD t 5"L'�. At a pressure oi 20 p:sig <br /> (1-00 kPai. a minimum fluw rate of O.i gpm (0.04 Vs) thraugh the axsemhly shall be: <br /> a� cspintile For camplianc.e. <br /> 61 L'ete 7eat. Hol wa�er demand or eutometic ectivaletl hot wate� pumpiny systems with <br /> n!�viny µ�rts shall be subJected to tha life test }or 100,000 cyc:les of operation The sytitem <br /> ehal! be; sub�or.lad to e water fempereture of 106 t 5°F (38 x 3'C) and flow pressum nf 50 t <br /> '� psip �:t��0 t 35 kPa) �t the rate of 500 eycles per hour (minimum). <br /> TI1L Sp �:lem shall be considered to pass the tesl, A at fhe com elion of 100,000 cyclHS ;hu <br /> sysle!m :.�n withstand a hydrostatic prossure oi 125 psig (B6�kPa) at �0 t 5"F (21 t 3"C) <br /> fnr o„p n�n�.�te with�out any permanent tl'stonion or failure of the pressure envelope <br /> 6.3 Intarmittenl Shock Test. The hol water demand or automaoc aotrvated hol wale� <br /> p� impin� systems shall withstand an intermittent shock pressure to 160 pr,ig (1240 kV„) <br /> wnh n s mulateA apparafus connecle�i to its outlet pipe. <br /> Y�at�r „,ipply fo tha syytem shaU he at a40 m 10"F (60 t 5"C) such fhe� ihe flow prexs�,re ix <br /> f!5 psi�� jA60 kPa � at 2 0 3 0.25 gpm (0 12 t 0.018 Us). <br /> a rap�ci :,fusm3 solanob valve shall be connected downstream of the sytitem so av tn <br /> u r�ati� .+ shoci, pressure of 180 psig (1240 kPa) <br /> ti�c: soi��noid valvF shall be cyoled a� a rate oi two second open, two se�:�nd r,losed tc�r a <br /> �7,iration ot 30.000 cyGRF. <br /> Ai thE � id of the lest, examine'he prassure enveiape while �tdl al rest Any leakage sl� :li <br /> . hi' Cilila�' (pf fP.�AC�!Qfl. <br /> e 4 Oporahonal Tost. Automatte Aetivatad Hot Watar Pumpinp Systvm. The r.rossovx� <br /> ot hol walar from the hol water piping system lo the cold water piping SystPm sh:all r,e,ase a1 <br /> ��r belnv, 95 t 1'F {35 3 0.5'C) <br /> . ' <br /> N.��yulo�lna�i�.� mdflYl4fmNr.VynyqMMN' �Axdi��u: <br /> ���..e�:ini�al.:Y���innq�p� i �.mrding.o�nmerw�ee.ww�n�llheprio�wMbnp�m�raonelMnPudlane� . <br /> �'V1r�:rx:. il'NWlup yiSVSlrnir; <br /> 2 013 <br />