York P*UR 40 Installation Instructions Manual

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York P*UR 40 Installation Instructions Manual Manual pdf 31 page image

035-14370-000 650.75-N4UUnitary Products Group 31For units using a Texas Instruments control, connect thejumper at the desired off timing. Refer to Figure 37 onpage 30, 60 second off timing shown.ACCESSORY CONNECTIONSThe furnace control will allow power switching control of vari-ous accessories. Refer to Figure 38.Electronic Air Cleaner ConnectionTwo 1/4” spade terminals (EAC and EAC N) for electronic aircleaner connections are located on the control board. Theterminals provide 120 VAC (1.0 amp maximum) during circu-lating blower operation.Humidifier ConnectionTwo 1/4” spade terminals (HUM and HUM N) for humidifierconnections are located on the control board. The terminalsprovide 120 VAC (1.0 amp maximum) during heat speedoperation of the circulating blower..Do not exceed 1.0 amp loading.FIGURE 38 : ACCESSORY CONNECTIONSHUMEACEACHUM115 VOLTELECTRONICAIR CLEANEREAC HOTHUM HOTBLKBLKWHIWHI115 VOLTHUMIDIFIERSWITCHEDCIRCUITSNEUTRALSFIGURE 39 : UPFLOW MODELS (P*UR/ FG9-UP / G9T-UP) - READING GAS PRESSUREWITH BURNER BOX COVER IN PLACE WITH BURNER BOX COVER REMOVEDFIGURE 40 : DOWNFLOW/HORIZONTAL MODELS (P*DH/ FG9-DH / G9T-DH) - READING GAS PRESSUREWITH BURNER BOX COVER IN PLACE WITH BURNER BOX COVER REMOVEDGASVALVEU-TUBEMANOMETERBURNER BOXWITH COVER3.5 IN.WATER COLUMNGAS PRESSURESHOWNBURNER BOXPRESSUREREFERENCE HOSEOUTLETPRESSURETAP6543210123456TEEFITTING6543210123456GASVALVEU-TUBEMANOMETERBURNER BOXWITH COVER REMOVED3.5 IN.WATER COLUMNGAS PRESSURESHOWNBURNER BOXPRESSUREREFERENCE HOSE(NOT USED)OUTLETPRESSURETAP6543210123456GASVALVEU-TUBEMANOMETERBURNERBOXWITHCOVER3.5IN.WATERCOLUMNGASPRESSURESHOWNBURNERBOXPRESSUREREFERENCEHOSEOUTLETPRESSURETAPTEEFITTING6543210123456GASVALVEU-TUBEMANOMETERBURNERBOXWITHCOVERREMOVED3.5IN.WATERCOLUMNGASPRESSURESHOWNBURNERBOXPRESSUREREFERENCEHOSE(NOTUSED)OUTLETPRESSURETAP