background image

SAFETY INFORMATION

4

WHEN A FURNACE IS INSTALLED
SO THAT SUPPLY DUCTS CARRY
AIR CIRCULATED BY THE
FURNACE TO AREAS OUTSIDE
THE SPACE CONTAINING THE
FURNACE, THE RETURN AIR
SHALL ALSO BE HANDLED BY
DUCT(S) SEALED TO THE
FURNACE CASING AND
TERMINATING OUTSIDE THE
SPACE CONTAINING THE
FURNACE.

WHEN THIS FURNACE IS
INSTALLED IN A RESIDENTIAL
GARAGE, IT MUST BE INSTALLED
SO THE BURNERS AND IGNITION
SOURCE ARE LOCATED NO LESS
THAN 18 INCHES ABOVE THE
FLOOR. THIS IS TO REDUCE THE
RISK OF IGNITING FLAMMABLE
VAPORS WHICH MAY
BE PRESENT IN A GARAGE.
ALSO, THE FURNACE MUST BE
LOCATED OR PROTECTED TO
AVOID PHYSICAL DAMAGE BY
VEHICLES. FAILURE TO FOLLOW
THESE WARNINGS CAN CAUSE A
FIRE OR EXPLOSION, RESULTING
IN PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH.

WHEN A FURNACE IS INSTALLED
SO THAT SUPPLY DUCTS CARRY
AIR CIRCULATED BY THE
FURNACE TO AREAS OUTSIDE
THE SPACE CONTAINING THE
FURNACE, THE RETURN AIR
SHALL ALSO BE HANDLED BY
DUCT(S) SEALED TO THE
FURNACE CASING AND
TERMINATING OUTSIDE THE
SPACE CONTAINING THE
FURNACE.

ALWAYS INSTALL FURNACE TO
OPERATE WITHIN THE
FURNACE'S INTENDED
TEMPERATURE-RISE RANGE
WITH A DUCT SYSTEM WHICH
HAS AN EXTERNAL STATIC
PRESSURE WITHIN THE
ALLOWABLE RANGE, AS
SPECIFIED IN DUCTING SECTION
OF THESE INSTRUCTIONS. SEE
ALSO FURNACE RATING PLATE.

NEVER TEST FOR GAS LEAKS
WITH AN OPEN FLAME. USE A
COMMERCIALLY AVAILABLE
SOAP SOLUTION MADE
SPECIFICALLY FOR THE
DETECTION OF LEAKS TO CHECK
ALL CONNECTIONS, AS
SPECIFIED IN GAS SUPPLY AND
PIPING SECTION OF THESE
INSTRUCTIONS.

INSTALLATION MUST COMPLY
WITH ALL INSTALLATION
INSTRUCTIONS INCLUDING:

• PROPER VENT INSTALLATION;

• FURNACE OPERATING UNDER

THERMOSTATIC CONTROL;

• RETURN AIR DUCT SEALED TO

THE FURNACE;

• AIR FILTERS IN PLACE;

• SET FURNACE INPUT RATE

AND TEMPERATURE RISE PER
RATING PLATE MARKING;

• MEANS FOR PROVIDING

OUTDOOR AIR REQUIRED FOR
COMBUSTION;

• RETURN AIR TEMPERATURE

MAINTAINED BETWEEN 55°F
(13°C) AND 80°F (27°C); AND

• CLEAN FURNACE, DUCT WORK

AND COMPONENTS UPON
SUBSTANTIAL COMPLETION OF
THE CONSTRUCTION
PROCESS, AND VERIFY
FURNACE OPERATING
CONDITIONS INCLUDING
IGNITION, INPUT RATE,
TEMPERATURE RISE AND
VENTING, ACCORDING TO THE
INSTRUCTIONS.

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

!

WARNING

DO NOT OPERATE THE SYSTEM
FOR EXTENDED PERIODS
WITHOUT FILTERS. A PORTION
OF THE DUST ENTRAINED IN THE
AIR MAY TEMPORARILY LODGE
IN THE AIR DUCT RUNS AND AT
THE SUPPLY REGISTERS. ANY
CIRCULATED DUST PARTICLES
WILL BE HEATED AND CHARRED
BY CONTACT WITH THE
FURNACE HEAT EXCHANGER.
THIS SOOTY RESIDUE WILL SOIL
CEILINGS, WALLS, DRAPES,
CARPETS AND OTHER
HOUSEHOLD ARTICLES. SOOT
DAMAGE MAY ALSO RESULT
WITH, OR WITHOUT, FILTERS IN
PLACE, WHEN CERTAIN TYPES
OF CANDLES ARE BURNED, OR
CANDLEWICKS ARE LEFT
UNTRIMMED.

COMBUSTION PRODUCTS MUST
BE DISCHARGED OUTDOORS.
CONNECT THIS FURNACE TO AN
APPROVED VENT SYSTEM ONLY,
AS SPECIFIED IN VENT PIPE
INSTALLATION SECTION OF
THESE INSTRUCTIONS.

!

WARNING

DO NOT INSTALL THIS FURNACE
IN A MOBILE HOME!! THIS
FURNACE IS NOT APPROVED
FOR INSTALLATION IN A MOBILE
HOME. DOING SO COULD CAUSE
FIRE, PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH.

PROVIDE ADEQUATE
COMBUSTION AND VENTILATION
AIR TO THE FURNACE SPACE AS
SPECIFIED IN THE COMBUSTION
AND VENTILATION AIR SECTION
OF THESE INSTRUCTIONS.

INSTALL THIS FURNACE ONLY IN
A LOCATION AND POSITION AS
SPECIFIED IN THE LOCATION
REQUIREMENTS AND
CONSIDERATIONS SECTION OF
THESE INSTRUCTIONS. PROVIDE
ADEQUATE COMBUSTION AND
VENTILATION AIR TO THE
FURNACE SPACE AS SPECIFIED
IN THE VENTING SECTION OF
THESE INSTRUCTIONS.

USE ONLY WITH TYPE OF GAS
APPROVED FOR THIS FURNACE.
REFER TO THE FURNACE RATING
PLATE.

Summary of Contents for Comfort Aire GLUA105E5B

Page 1: ...CY CONDENSING GAS FURNACES GLUA UPFLOW SERIES GLDH DOWNFLOW HORIZONTAL SERIES HEAT CONTROLLER Upflow Models Downflow Horizontal Models Model Number Input Btu Tons Model Number Input Btu Tons GLUA45 E3...

Page 2: ...aust pipe ft of pipe intake air no of elbows intake air ft of pipe exhaust pipe no of elbows exhaust pipe Exhaust vent temp TERMINATIONS DIRECT VENT VERTICAL Intake 12 min above roof snow level Correc...

Page 3: ...ate of California to cause cancer or birth defects such as fiberglass insulation lead in brass and combustion products from natural gas All new equipment shipped for sale in California will have label...

Page 4: ...IN PLACE SET FURNACE INPUT RATE AND TEMPERATURE RISE PER RATING PLATE MARKING MEANS FOR PROVIDING OUTDOOR AIR REQUIRED FOR COMBUSTION RETURN AIR TEMPERATURE MAINTAINED BETWEEN 55 F 13 C AND 80 F 27 C...

Page 5: ...AL LAWS RULES REGULATIONS OR CUSTOMS IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE INJURY PROPERTY DAMAGE OR DEATH REFER TO THIS MANUAL INSTALLATION AND SERVICE MUST BE...

Page 6: ...use FIRE PROPERTY DAMAGE PERSONAL INJURY OR DEATH WARNING DO NOT LIFT THE UNIT BY THE HEAT EXCHANGER TUBES DOING SO CAN CRACK THE HEAT EXCHANGER ASSEMBLY AND CAUSE CO2 TO BE RELEASED INTO THE ENVIRONM...

Page 7: ...DE ADEQUATE VENTILATION AND DO NOT ASSEMBLE NEAR HEAT SOURCE OR AN OPEN FLAME DO NOT SMOKE AVOID SKIN OR EYE CONTACT OBSERVE ALL CAUTIONS AND WARNINGS PRINTED ON MATERIAL CONTAINERS FAILURE TO FOLLOW...

Page 8: ...RAPES CARPETS AND OTHER HOUSEHOLD ARTICLES CAUTION WARNING HOLES IN THE VENT PIPE OR HEAT EXCHANGER CAN CAUSE TOXIC FUMES TO ENTER THE HOME RESULTING IN CARBON MONOXIDE POISONING OR DEATH THE VENT PIP...

Page 9: ...ht of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one...

Page 10: ...B149 is available from CSA INTERNATIONAL 178 Rexdale Blvd Toronto Ontario Canada M9W 1R3 GENERAL INFORMATION FIGURE 1 UPFLOW FURNACE FIGURE 2 DOWNFLOW HORIZONTAL FURNACE ITEM ITEM NO PART NAME NO PART...

Page 11: ...FUMES AND ODORS INTO THE HOME CAUSING PROPERTY DAMAGE FUMES AND ODORS FROM TOXIC VOLATILE OR FLAMMABLE CHEMICALS AS WELL AS AUTOMOBILE EXHAUST AND CARBON MONOXIDE CO CAN BE DRAWN INTO THE LIVING SPACE...

Page 12: ...with this furnace a be sure the air passes over the heat exchanger before passing over the cooling coil The cooled air passing over the warm ambient air inside the heat exchanger tubes can cause conde...

Page 13: ...attic or crawl space installation it may be installed on combustible wood flooring or by using support brackets See Figure 5 5 IMPORTANT If installing in a utility room be sure the door is wide enoug...

Page 14: ...0 1 2 0 111 2 5 60 17 1 2 16 11 32 15 5 8 2 15 13 25 32 0 0 0 1 2 0 117 3 75 17 1 2 16 11 32 15 5 8 2 15 13 25 32 0 0 0 1 2 0 123 4 75 21 19 27 32 19 1 8 2 18 1 2 17 9 32 0 0 0 1 2 0 123 4 5 90 21 19...

Page 15: ...16 2 20 1 8 17 3 8 0 0 0 1 2 0 123 90 21 19 11 32 19 3 16 2 20 1 8 17 3 8 0 0 0 1 2 0 148 105 21 19 11 32 19 3 16 2 20 1 8 17 3 8 0 0 0 1 2 0 152 120 24 1 2 23 11 32 22 5 8 2 23 5 8 20 7 8 0 0 0 1 2...

Page 16: ...0 123 75 21 19 27 32 19 3 16 2 20 1 8 17 3 8 0 0 0 1 2 0 123 90 21 19 27 32 19 3 16 2 20 1 8 17 3 8 0 0 0 1 2 0 148 105 21 19 27 32 19 3 16 2 20 1 8 17 3 8 0 0 0 1 2 0 152 120 24 1 2 23 11 32 22 5 8...

Page 17: ...ition the unit to minimize long runs of duct or runs of duct with many turns and elbows 2 Open the return air compartment UPFLOW FURNACE A SOLID METAL BASE PLATE MUST BE INSTALLED IN THE FURNACE BOTTO...

Page 18: ...PART OF THE VENTING SYSTEM THE REQUIREMENT THAT VENT MATERIAL BE CERTIFIED TO ULC S636 DOES NOT APPLY TO INLET AIR PIPING VENTING AND COMBUSTION AIR PIPING WARNING WARNING 4 Connect the furnace to th...

Page 19: ...er appliances the vent system is likely to be too large to properly vent the remaining attached appliances The following steps should be followed with each appliance remaining connected to the origina...

Page 20: ...the flue products and are highly corrosive after they condense ALL FURNACE INSTALLATIONS MUST COMPLY WITH THE NATIONAL FUEL GAS CODE AND LOCAL CODES TO PROVIDE ADEQUATE COMBUSTION AND VENTILATION AIR...

Page 21: ...Area Round Pipe Input Each Opening Size 45 000 11 25 square inches 4 60 000 15 00 square inches 5 75 000 18 75 square inches 5 90 000 22 50 square inches 6 105 000 26 25 square inches 6 120 000 30 00...

Page 22: ...spaces crawl or attic that freely communicate with the outdoors and shall have a minimum free area of a 1 square inch for each 3 000 BTUH of the total input rating of all equipment located in the enc...

Page 23: ...um clearances to combustibles are maintained between the PVC pipe and other pipes 5 All vent runs through unconditioned spaces where below freezing temperatures are expected should be insulated with 1...

Page 24: ...IMPROPER LOCATION OR INSTALLATION CAN CAUSE STRUCTURAL OR EXTERIOR FINISH DAMAGE TO THE BUILDING Non direct venting location requirements are slightly different in some cases than direct venting Insta...

Page 25: ...25 FIGURE 17 OTHER THAN DIRECT VENT TERMINAL CLEARANCES Natural Gas and Propane Installation Code National Fuel Gas Code Canadian Installations US Installations Canadian Installations US Installations...

Page 26: ...be used for all furnace inputs as related to the number of elbows required and the termination see shaded area 7 The maximum exposed vent length above the roof line is 30 WARNING Standard Concentric R...

Page 27: ...wall The standard horizontal intake air termination for all models is a 2 in PVC coupling with a wind deflector vane provided attached Cut a 21 4 in length of 2 in PVC pipe Connect this pipe and anot...

Page 28: ...C nipple with coupling 6 PVC strap 7 vent template RXGY D03 1 3 in tee with reducer assembly 2 1 2 in PVC 6 in dia trap 3 PVC vane 4 2 in PVC elbow 5 PVC strap 6 vent template RXGY D04 1 21 2 in PVC e...

Page 29: ...L CONCENTRIC VENT KIT NO RXGY E03A This kit is for vertical horizontal intake air vent runs and may be installed through roofs and sidewalls One 5 diameter hole is required for the installation See Fi...

Page 30: ...rations in wall To prevent possibility of condensate freeze up or recirculation do not install vent kits one above the other NOTE The vent illustration in Figure 21 can be used for Non direct vent ter...

Page 31: ...THE LAST 12 INCHES WITH 11 2 PVC PIPE ON 45 000 THROUGH 75 000 BTUH MODELS SEE DETAIL A 6 30 MAXIMUM EXPOSED VENT LENGTH PITCHED ROOF INSTALLATIONS NOTES 1 SUPPORT HORIZONTAL PIPE EVERY FOUR FEET 2 W...

Page 32: ...32 FIGURE 24 DIRECT VENT TERMINAL CLEARANCES Natural Gas and Propane Installation Code National Fuel Gas Code Canadian Installations US Installations Canadian Installations US Installations...

Page 33: ...ustion air inlet minimum of 3 feet from the vent of any other gas or fuel burning appliance or clothes dryer to prevent recirculation of the flue gases into the furnace combustion air inlet The only e...

Page 34: ...IS PERMITTED See Figures 26 and 27 for positioning of the terminations When more than two furnaces are to be vented there must be at least 4 feet between the first two furnaces and the third etc FIGUR...

Page 35: ...pe fitting extending through the right side of the furnace top cover This opening has a pro tective cap which should be removed just prior to installing the exhaust pipe When 2 in pipe is used con nec...

Page 36: ...drain or condensate pump IMPORTANT If installing the unit over a finished ceiling or living area be certain to install an auxiliary condensate drain pan under the entire unit extending out under the...

Page 37: ...E TO FLOOR DRAIN DOWNFLOW UNITS To convert downflow models to left hand drain a kit RXGY H01 must be ordered from the distributor The kit includes a 24 piece of 1 2 black PVC pipe a 2 9 16 length of b...

Page 38: ...w alternate drain kit Glue one end of the pipe to the elbow in the trap Cut the pipe so that it extends through the alternate drain hole in the left side of the cabinet one inch see Figure 34 Connect...

Page 39: ...n the parts bag if any clamps are damaged during conversion process NOTE The following steps should take place with the furnace in the horizontal position Refer to Figure 36 for Steps 6 11 5 Locate th...

Page 40: ...down when a blocked drain is present install a riser which is a minimum of 51 2 If the furnace is installed in an attic crawlspace or other area where freezing temperatures may occur the furnace drai...

Page 41: ...line directly from the meter to the furnace Consult the local gas company for the location of the manual main shut off valve The gas line and manual gas valve must be adequate in size to prevent undue...

Page 42: ...ion IMPORTANT ENSURE that the furnace gas control valve not be subjected to high gas line supply pressures DISCONNECT the furnace and its individual shut off valve from the gas supply piping during an...

Page 43: ...ts that use 10 of water column at the orifice This difference requires a deviation from the NFGC orifice size recommendations The Sea Level input should still be reduced by 4 per thousand ft and the o...

Page 44: ...the same gas line as the furnace 4 Note or adjust the line gas pressure to give A 5 10 5 w c for natural gas B 11 13 w c for LP gas 5 Shut off the gas at the manual gas valve and remove the U Tube ma...

Page 45: ...42 MANIFOLD PRESSURE READING FIGURE 43 UPFLOW GROUNDING CONNECTIONS JUNCTION BOX CONDENSATE TRAP CONTROL IS GROUNDED WHEN ATTACHED TO BLOWER LOW VOLTAGE TERMINALS IFC MOUNTING PLATE BLOWER COMPARTMEN...

Page 46: ...electrical connections be certain that the voltage frequency and phase corresponds to that specified on the furnace rating plate For single furnace application maximum over current protection is 15 a...

Page 47: ...y and return Furnaces must have same heating and blower capacity Twinning furnaces must operate off the same phase of power It should be noted that both blowers will run simultaneously when there is a...

Page 48: ...IN CANADA AS AN ALTERNATE TO ADJUSTING THE BURNER ORIFICE SIZE THE MANIFOLD GAS PRESSURE MAY BE ADJUSTED THIS METHOD IS COVERED LATER IN THIS SECTION THIS METHOD OF ADJUSTING MANIFOLD PRESSURE MAY ON...

Page 49: ...12 600 12 000 11 400 10 800 10 200 9 600 All calculations are performed by using the first three columns of information only Before beginning any calculations determine the individual burner Btu size...

Page 50: ...W C ALTITUDE INPUT OUTPUT ORIFICE SIZE MANIFOLD PRESSURE 0 2000 45 000 60 000 75 000 90 000 105 000 120 000 40 500 54 000 67 500 81 000 94 500 108 000 1 15mm 10 W C 2001 4500 40 500 54 000 67 500 81 0...

Page 51: ...DEATH SEQUENCE OF OPERATION UT ELECTRONIC CONTROLS INVESYS CLIMATE CONTROLS UT Electronic Controls Direct Spark Ignition 1 Each time the thermostat contacts close the induced draft blower inducer beg...

Page 52: ...OR LP GAS HEATING VALUE OF GAS BTU PER CU FT METER 900 1000 1040 1100 2500 LP INPUT SIZE BTU HR CU FT MIN SEC MIN SEC MIN SEC MIN SEC MIN SEC ONE 1 12 1 20 1 23 1 28 3 20 45 000 TEN 12 0 13 20 13 50 1...

Page 53: ...The difference is the temperature rise 5 Compare the measured temperature rise to the approved temperature rise range listed on the furnace name plate See Figure 48 If the measured temperature rise is...

Page 54: ...90 750 1520 717 HIGH 2115 998 2050 967 1990 939 1945 917 1900 897 1795 847 1690 795 DOWNFLOW 11 x 7 1 2 LOW 820 387 790 373 760 359 725 342 690 326 650 306 610 288 3 HORIZONTAL MED LO 930 439 890 420...

Page 55: ...G BLOWER SPEED DISCONNECT THE ELECTRICAL SUPPLY TO THE FURNACE BEFORE ATTEMPTING TO CHANGE THE BLOWER SPEED FAILURE TO DO SO CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH The blower...

Page 56: ...t from filter wash with detergent and water air dry thoroughly and reinstall Keep the filters clean at all times Vacuum dirt from filter wash with detergent and water air dry thoroughly and reinstall...

Page 57: ...CKET ANGLE FILTER ROD SUPPORT ANGLE FILTER SUPPORT ANGLE SEE ANGLE DETAIL ATTACH WITH SHEET METAL SCREWS 2 REQ D ANGLE DETAIL ROD FILTER SUPPORT ANGLE ASSEMBLY F FILTER ROD SUPPORT ANGLE FILTER SUPPOR...

Page 58: ...y filters can restrict airflow The motor depends upon sufficient air flowing across and through it to keep from overheating SYSTEM OPERATION INFORMATION Advise The Customer 1 Keep the air filters clea...

Page 59: ...during ignition trial If yes go to F Did a limit open during ignition trial If yes go to D Check line voltage between HEAT and NEUTRAL on IFC Check wires connections and continuity between IFC and IBM...

Page 60: ...60 FIGURE 52 FOR MODELS WITH UT ELECTRONIC CONTROLS 1027 200 INTEGRATED FURNACE CONTROL AND DIRECT SPARK IGNITION...

Page 61: ...61 FIGURE 53 FOR MODELS WITH UT ELECTRONIC CONTROLS 1027 200 INTEGRATED FURNACE CONTROL AND DIRECT SPARK IGNITION...

Page 62: ...62...

Page 63: ...63...

Page 64: ...64 CM 1009...

Reviews: