Page 2 - PRODUCT IDENTIFICATION; WARNING
PRODUCT IDENTIFICATION 2 Rev. 3 The model and manufacturing number are used for positive identification of component parts used in manufacturing.When engineering and manufacturing changes take place where interchangeability of components are affected, themanufacturing number will change. It is very ...
Page 3 - MODEL
PRODUCT IDENTIFICATION 3 Rev. 3 GUCA045AX30 P1219301F GUCA070AX30 P1219302F GUCA070AX40 P1219303F GUCA090AX40 P1219304F GUCA090AX50 P1219305F GUCA115AX50 P1219306F GUCA045AX30 P1227501F GUCA070AX30 P1227502F GUCA070AX40 P1227503F GUCA090AX40 P1227504F GUCA090AX50 P1227505F GUCA115AX50 P1227506F GUCA...
Page 4 - COMPONENT IDENTIFICATION; URNER COMPA
4 Rev. 3 COMPONENT IDENTIFICATION 1 Gas Valve 2 Gas Line Entrance (Alternate) 3 Pressure Switch(es) 4 Gas Manifold 5 Combustion Air Intake Connection / “Coupling” 6 Hot Surface Igniter 7 Rollout Limit 8 Burners 9 Flame Sensor 10 Flue Pipe Connection / “Coupling” 11 Flue Pipe (Internal) 12 Combustion...
Page 6 - PRODUCT DIMENSIONS; Cabinet; All dimensions are in inches.; Small
PRODUCT DIMENSIONS 6 Rev. 3 Cabinet Size Units A B C D 045__30070__30 070__40090__40 090__50115__50 20-1/2 24-1/2 12-5/8 14-5/8 18-5/8 12-3/8 16-3/8 20-3/8 All dimensions are in inches. Small Medium Large 15 19 23 16-1/2 GUCA___AX__ (Manufacturing Numbers P1239301-06F) GUCA___AX__ AIR DISCHARGE AIR ...
Page 8 - Large
PRODUCT DIMENSIONS 8 Rev. 3 GCCA___AX__ Cabinet Size Units A B C D Unfolded E Folded 045__30070__30 070__40090__40 090__50115__50 Large 24-1/2 Small 16-1/2 Medium 20-1/2 19 15 12-3/8 13-1/2 15 All dimensions are in inches. 23 20-3/8 21-1/2 23 19 16-3/8 17-1/2 GCCA___AX__ (Manufacturing Numbers P1239...
Page 10 - PRODUCT DESIGN; NC; MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS; High Altitude Derate; General Operation
10 Rev. 3 PRODUCT DESIGN 2. Line voltage wiring can enter through the right or left side of the furnace. Low voltage wiring can enter throughthe right or left side of furnace. 3. Conversion kits for high altitude natural or propane gas operation are available. See High Altitude Derate chartfor detai...
Page 11 - PRESSURE SWITCH TRIP POINTS AND USAGE CHART
11 Rev. 3 PRODUCT DESIGN TRIP POINT COIL COVER PRESSURE SWITCH COIL COVER PRESSURE SWITCH PART # TRIP POINT ID BLOWER PRESSURE SWITCH ID BLOWER PRESSURE SWITCH PART # T RIP POINT COIL COVER PRESSURE SWITCH TRIP POINT ID BLOWER PRESSURE SWITCH HIGH ALTITUDE KIT GUCA045AX30 GCCA045AX30 -1.00 -1.05 -0....
Page 13 - Disposable Minimum Filter Area (in; *Minimum filter area dictated by heating airflow requirement.; Thermostats
13 Rev. 3 PRODUCT DESIGN Thermostats: The following Amana Thermostats are suggested for use with the GUCA and GCCA Furnace Models: Filters: Filters are required with this furnace and must be provided by the installer. The filters used must comply with UL900 orCAN/ULCS111 standards. Installing this f...
Page 14 - Counterflow Filters; Cabinet Width; Min
14 Rev. 3 PRODUCT DESIGN Counterflow Filters Cabinet Width Filter Area (in 2 ) Qty Filter Size (in) Dimension "A" (in) 16 1/2 14.2 20 1/2 13.0 24 1/2 11.3 16 1/2 19.7 20 1/2 18.8 24 1/2 17.7 16 1/2 25.0 20 1/2 24.3 24 1/2 23.4 800 2 20 X 20 X 1 1000 2 25 X 20 X 1 Counterflow Top Return 600 2...
Page 15 - FURNACE SPECIFICATIONS; Model
FURNACE SPECIFICATIONS 15 Rev. 3 1. These furnaces are manufactured for natural gas operation. Optional kits are available for conversion to propane operation. 2. For elevations above 2000 feet the rating should be reduced by 4% for each 1000 feet above sea level. The furnace must not be derated, or...
Page 17 - BLOWER PERFORMANCE SPECIFICATIONS; For most jobs, about 400 CFM per ton when cooling is desirable.; GUCA Blower Performance
BLOWER PERFORMANCE SPECIFICATIONS 17 Rev. 3 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling. Inst...
Page 18 - GCCA Blower Performance
BLOWER PERFORMANCE SPECIFICATIONS 18 Rev.3 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling. Insta...
Page 19 - BTU OUTPUT vs TEMPERATURE RISE CHART; BTU OUTPUT
BLOWER PERFORMANCE SPECIFICATIONS 19 Rev. 3 30 40 50 60 70 80 90 110 120 100 130 140 150 100 90 80 70 60 50 40 30 20 10 OUTPUT BTU/HR x 1000 BTU OUTPUT vs TEMPERATURE RISE CHART TEMPERATURE RISE 600 CFM 700 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 CFM FORMULAS BTU OUTPUT = CFM x 1.08 x RISE ...
Page 20 - WIRING DIAGRAMS; WA
20 Rev. 3 WIRING DIAGRAMS TO AV OI D P O SSI B L E ELECTRI CAL SHOCK, PERSONAL I N JURY, OR DE ATH, DI SCON NECT THE POW E R B E FORE SERVI C ING. WA RNING ! GUCA___AX__ (Manufacturing Numbers P1239301-06F) CO O L COLOR CODES: NOTES:1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.2. MANUFACTU...
Page 26 - TYPICAL SCHEMATIC; LINE HOT
26 Rev. 3 SCHEMA TICS T O A V O ID PO S S IBLE E L E C T R IC A L S H O C K , P E R S O N A L IN J U R Y ,O R D E A T H , D IS C O NN E C T T H E P O W E R BE F O R E S E R V IC IN G . WARNING ! TYPICAL SCHEMATIC GUCA OR GCCA___AX__ MODEL FURNACES WR 50A55-288 INTEGRATED IGNITION CONTROL This schema...