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- 80AF1DF
- Installation Instructions Manual
Aire-Flo 80AF1DF Installation Instructions Manual - page 34
Page 34
Start−Up & Performance Check List
Unit Model Number_______________
Serial Number___________________
UNIT SET UP
(typical)
Gas Supply Pressure
1
2
2
1
SUPPLY
AIR
Line Voltage
3
4
5
Filter
RETURN
AIR
RETURN
AIR
GAS SUPPLY
Natural Gas
LP/Propane Gas
Piping Connections Tight
Leak Tested
Supply Line Pressure W.C.________
1
VENT / EXHAUST PIPE
Secure to Unit
Elbows Secured to Pipe
Vent Pipe Supported
2
Roof Flashing (water tight)
3
DUCT SYSTEM
SUPPLY AIR DUCT
Sealed
Insulated (if necessary)
Registers Open and Unobstructed
RETURN DUCT
Sealed
Filter Installed and Clean
Grilles Unobstructed
4
5
INTEGRATED CONTROL
DIP Switches Set (if applicable)
Appropriate Links in Place (if applicable)
VOLTAGE CHECK
Supply Voltage _____
Electrical Connections Tight
upflow furnace shown
Summary of 80AF1DF
Page 1
Page 1 02/11 *2p0211* 506719−01 *p506719-01* p.O. Box 799900, dallas, tx 75379−9900 installation instructions 80af1df downflow warm air gas furnaces this is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal inj...
Page 2
Page 2 unit dimensions − inches (mm) front panel gas piping inlet (either side) flue outlet (top) electrical inlet (either side) return air opening front view side view top view a b c d 3/4 (19) 27 − 3/4 (705) 19 − 1/4 (489) 6 − 5/8 (168) right 7 − 1/8 (181) left 5 − 3/8 (137) right 2 − 1/8 (54) lef...
Page 3
Page 3 parts arrangement figure 1 blower assembly integrated control flue chase access panel gas valve burner assemlby combustion air inducer heat exchanger.
Page 4
Page 4 80af1df gas furnace the 80af1df unit is shipped ready for installation in the downflow position. The furnace is equipped fir installation in natural gas applications. A conversion kit (ordsred sep- eratly) is required for use in lp/propane appilcations. Shipping and packing list package 1 of ...
Page 5
Page 5 figure 2 heating unit installed parallel to cooling coil air handler gas unit dampers (open during cooling operation only) dampers (open during heating operation only) when installed, this furnace must be electrically grounded according to local codes. In addition, in the united states, insta...
Page 6
Page 6 warning product contains fiberglass wool. Disturbing the insulation in this product during installation, maintenance, or repair will expose you to fiberglass wool. Breathing this may cause lung cancer. (fiberglass wool is known to the state of cal- ifornia to cause cancer.) fiberglass wool ma...
Page 7
Page 7 confined, it might be necessary to bring in outdoor air for combustion if the structure does not provide enough air by infiltration. If the furnace is located in a building of tight construction with weather stripping and caulking around the windows and doors, follow the procedures in the air...
Page 8
Page 8 equipment in confined space all air from outside (inlet air from crawlspace and outlet air to ventilated attic) note−the inlet and outlet air openings shall each have a free area of at least one square inch (645 mm 2 ) per 4,000 btu (1.17 kw) per hour of the total input rating of all equipmen...
Page 9
Page 9 setting equipment warning do not install the furnace on its front, back or in the horizontal position. See figure 8. Do not connect the return air ducts to the back of the furnace. Doing so will adversely affect the operation of the safety con- trol devices, which could result in personal inj...
Page 10
Page 10 allow for clearances to combustible materials as indicated on the unit nameplate. Minimum clearances for closet or al- cove installations are shown in figure 9. Downflow application installation clearances top bottom left side right side type of vent connector type c type b1 top 1 in. (25 mm...
Page 11
Page 11 downflow installation downflow unit installs in three ways: on non−combustible flooring, on combustible flooring using a downflow com- bustible flooring base, or on a reverse−flow cooling cabinet. Do not drag the unit across the floor. Installation on non−combustible flooring (figure 10) 1 −...
Page 12
Page 12 80af1df unit cooling coil plenum figure 12 properly sized floor opening return air opening −− downflow units the following steps should be taken when installing ple- num: 1 − bottom edge of plenum should be flanged with a hemmed edge (see figure 13). Secure from outside cabinet hemmed edge p...
Page 13
Page 13 venting the 80af1df series units are classified as fan−assisted category i furnaces when vertically vented according to the latest edition of national fuel gas code (nfpa 54 / ansi z223.1) in the usa. A fan−assisted category i fur- nace is an appliance equipped with an integral mechanical me...
Page 14
Page 14 figure 17 common venting using tile−lined interior masonry chimney and combined vent connector minimum length = as short as practical. For maximum length see note to left interior tile−lined masonry chimney note − the chimney must be properly sized per provided venting tables or lined with l...
Page 15
Page 15 6 − the entire length of single wall metal vent connector shall be readily accessible for inspection, cleaning, and replacement. 7 − single appliance venting configurations with zero lat- eral lengths (tables 5 and 6) are assumed to have no elbows in the vent system. For all other vent confi...
Page 16
Page 16 table 5 capacity of type b double−wall vents with type b double−wall connectors serving a single category i appliance height h (feet) lateral l (feet) vent and connector diameter − d (inches) 3 inch 4 inch 5 inch 6 inch appliance input rating in thousands of btu per hour min max min max min ...
Page 17
Page 17 table 6 capacity of type b double−wall vents with single−wall metal connectors serving a single category i appliance height h (feet) lateral l (feet) vent and connector diameter − d (inches) 3 inch 4 inch 5 inch 6 inch appliance input rating in thousands of btu per hour min max min max min m...
Page 18
Page 18 table 7 vent connector capacity type b double−wall vents with type b double−wall connectors serving two or more category i appliances vent height h (feet) connector rise r (feet) vent and connector diameter − d (inches) 3 inch 4 inch 5 inch 6 inch appliance input rating in thousands of btu p...
Page 19
Page 19 table 9 vent connector capacity type b double−wall vents with single−wall metal connectors serving two or more category i appliances height h (feet) lateral l (feet) vent and connector diameter − d (inches) 3 inch 4 inch 5 inch 6 inch appliance input rating in thousands of btu per hour min m...
Page 20
Page 20 removal of the furnace from common vent in the event that an existing furnace is removed from a venting system commonly run with separate gas ap- pliances, the venting system is likely to be too large to properly vent the remaining attached appliances. Conduct the following test while each a...
Page 21
Page 21 table 11 gas pipe capacity − ft 3 /hr (m 3 /hr) nominal iron pipe size inches (mm) internal diameter inches (mm) length of pipe − feet (m) 10 (3.048) 20 (6.096) 30 (9.144) 40 (12.192) 50 (15.240) 60 (18.288) 70 (21.336) 80 (24.384) 90 (27.432) 100 (30.480) 1/2 (12.7) .622 (17.799) 175 (4.96)...
Page 22
Page 22 the furnace must be isolated by closing its individual manual shut-off valve and disconnecting from from the gas supply system the during any pressure testing of the gas supply system at pressures greater than 1/2 psig (3.48 kpa, 14 inches w.C.). Important when testing pressure of gas lines,...
Page 23
Page 23 of the circuit being connected to one of the provided neutral terminals. If an accessory rated at greater than one amp is connected to this terminal, it is necessary to use an exter- nal relay. One line voltage hum" 1/4" spade terminal is provided on the furnace integrated control. See figur...
Page 24
Page 24 figure 23 80af1df schematic wiring diagram.
Page 25
Page 25 figure 24 integrated control (automatic hot surface ignition system) blower off delay jumper terminal designations hum line xfmr eac cool heat park cont neutrals humidifier (120vac) input (120vac) transformer (120vac) indoor air qality accessory air cleaner (120vac) blower − cooling speed (1...
Page 26
Page 26 unit start−up for your safety read before lighting warning do not use this furnace if any part has been under- water. A flood−damaged furnace is extremely dan- gerous. Attempts to use the furnace can result in fire or explosion. Immediately call a qualified ser- vice technician to inspect th...
Page 27
Page 27 11 − are flame rollout switches tripped? If flame rollout switches are tripped, call the service technician for in- spection. Heating sequence of operation (follow steps below or see figure 23 for more detail) 1 − when thermostat calls for heat, combustion air blower starts. 2 − combustion a...
Page 28
Page 28 table 14 manifold pressure settings at all altitudes model input size gas 0−2000 ft 2105−4500 ft. 4501−7500 ft line pressure in.Wg. Min max 045 nat 3.5 3.5 3.5 4.5 13.0 lp/propane 10.0 10.0 10.0 11.0 13.0 070 nat 3.5 3.5 3.3 4.5 13.0 lp/propane 10.0 10.0 10.0 11.0 13.0 090 nat 3.5 3.5 3.3 4....
Page 29
Page 29 heat fan-off time in seconds to adjust fan−off timing, reposition jumper across pins to achieve desired setting. No jumper figure 26 60 90 120 180 60 90 120 180 60 90 120 180 60 90 120 180 60 second off time 90 second off time 120 second off time 180 second off time thermostat heat anticipat...
Page 30
Page 30 cleaning the heat exchanger and burners note − use papers or protective covering in front of the fur- nace during cleaning. 1 − turn off both electrical and gas power supplies to fur- nace. 2 − remove flue pipe, top cap, flue chase and internal flue pipe assembly from the unit. 3 − label the...
Page 31
Page 31 10− back wash using steam. Begin from the burner opening on each clam. Steam must not exceed 275°f. 11− to clean burners, run a vacuum cleaner with a soft brush attachment over the face of burners. Visually inspect in- side the burners and crossovers for any blockage caused by foreign matter...
Page 32
Page 32 planned service the following items should be checked during an annual in- spection. Power to the unit must be shut off for the service technician’s safety. Fresh air grilles and louvers (on the unit and in the room where the furnace is installed) − must be open and unob- structed to provide...
Page 33
Page 33 repair parts lit the following repair parts are available through independent dealers. When ordering parts, include the complete furnace model number listed on the csa international nameplate −− example: 80af1df045p12a−01. All service must be per- formed by a licensed professional installer ...
Page 34
Page 34 start−up & performance check list unit model number_______________ serial number___________________ unit set up (typical) gas supply pressure 1 2 2 1 supply air line voltage 3 4 5 filter return air return air gas supply natural gas lp/propane gas piping connections tight leak tested supply l...
Page 35
Page 35 contractor’s: name_________________________telephone_____________checklist completed____________________ job address_____−________________________________technician’s name___________________________________ unit operation (typical) 1 heating mode gas manifold pressure w.C._____ combustion sa...