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HEATING TECHNICAL EVALUATION FORM BLOWER AMP DRAW Low Fire _______amps High Fire ________amps Low Cool _______amps High Cool _______amps INDUCER AMP DRAW Low Fire __________amps High Fire __________amps PRESSURE SWITCH Makes @_____________” w.c. Low Fire Breaks @_____________” w.c. Low Fire Makes @_____________” w.c. High Fire Breaks @_____________” w.c. High Fire DUCT SYSTEM STATIC PRESSURE (ESP) Low Fire__________” w.c. High Fire____________” w.c. Low Cool __________” w.c. High Cool____________ “ w.c. Firing Rate Firing rate = heat content (btu/cu. ft.) X 3600(sec/hr)/ seconds for 1 revolution(assume 1 cu. ft. dial) Example - (950 btu/cu. ft.) X (3600 sec/hr.) / 48 sec. = 71,250 btu/hr. Local Gas Heat Content ____________btu/hr. High Fire _____________btu/hr. Low Fire _________________btu/hr. Supply Pressure* __________________”w.c. Orifice # ______________ Altitude ______________ft. Manifold Pressure: High Fire _________________”w.c. Low Fire ________________”w.c. *Supply pressure should be checked with all other gas appliances running Temperature Rise Supply Air Temperature __________(ºF) High Fire ____________(ºF) Low Fire Return Air Temperature _________(ºF) High Fire __________(ºF) Low Fire Temperature Rise** _____________(ºF) High Fire _____________(ºF) Low Fire **Temperature rise is equal to the supply air temp minus the return air temp @ steady state operation. The supply temperature should be measured away from the line of sight of the heat exchanger. VENT SYSTEM PVC: Total Length __________ft. Pipe Diameter __________in. # of Elbows __________ Long Radius Elbows? Y /N Termination Location ____________________ Termination Type SIDEWALL CONCENTRIC 1 PIPE 2 PIPE METAL: Vent Height __________ft. Vent Diameter __________in. Vent Type CHIMNEY LINER / DOUBLE WALL Vent Cap Above Peak Y N If No, Distance From Peak _______________ft. Connector Length __________ft. Connector Diameter __________in. Connector Height Above Furnace __________ft. Connector Type SINGLE WALL /DOUBLE WALL Water Heater Input __________btu/hr COMBUSTION ANALYSIS O2 ________% CO2 ________% CO ___________PPM Stack Temp. _________(ºF) Ambient Temp. ________(ºF) Excess Air __________% Air Stream Measurements Supply Air Stream CO_________% Return Air Stream CO__________% Copyright 2013 International Comfort Products 07/29/2013 40106820002 �������������������������������������������������������������������������������������������������������� 118 ������������������������������������������������������������������������������ www.uri.com ������������������������������������


19913ATh
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