Page 2 - TABLE OF CONTENTS
2 TABLE OF CONTENTS S HIPPING I NSPECTION ....................................................................................................................................... 6 E LECTROSTATIC D ISCHARGE (ESD) P RECAUTIONS ..............................................................................
Page 4 - WARNING
4 G OODMAN WILL NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE PROCEDURES . I F YOU INSTALL OR PERFORM SERVICE ON THIS UNIT , YOU ASSUME RESPONSIBILITY FOR ANY PERSONAL INJURY OR PROP...
Page 7 - EATURES; RODUCT; must
7 T O PREVENT PROPERTY DAMAGE , PERSONAL INJURY OR DEATH DUE TO FIRE , DO NOT INSTALL THIS FURNACE IN A MOBILE HOME , TRAILER , OR RECREATIONAL VEHICLE . WARNING P RODUCT D ESCRIPTION F EATURES This furnace is a part of the ComfortNet™ family of products...
Page 8 - OCATION
8 • All furnace operating conditions (including ignition, inputrate, temperature rise and venting) are verified accordingto these installation instructions. NOTE: The Commonwealth of Massachusetts requires that the following additional requirements must also be met: • Gas furnaces must be installed ...
Page 9 - NOTE
9 deicing salts or chemicalscarbon tetrachloridehalogen type refrigerantscleaning solutions (such as perchloroethylene)printing inkspaint removersvarnisheshydrochloric acidcements and gluesantistatic fabric softeners for clothes dryersand masonry acid washing materials • Seal off a non-direct vent f...
Page 10 - upright upflow; HERMOSTAT
10 C OMBUSTION & V ENTILATION A IR R EQUIREMENTS T O AVOID PROPERTY DAMAGE , PERSONAL INJURY OR DEATH , SUFFICIENT FRESH AIR FOR PROPER COMBUSTION AND VENTILATION OF FLUE GASES MUST BE SUPPLIED . M OST HOMES REQUIRE OUTSIDE AIR BE SUPPLIED ...
Page 11 - Horizontal Furnace; Condensate Drain Trap and Lines; Alternate Vent/Flue Location
11 Horizontal Furnace F URNACE S USPENSION If suspending the furnace from rafters or joists, use 3/8" threadedrod and 2”x2”x1/8” angle iron as shown in the following diagram.The length of rod will depend on the application and the clearancesnecessary. If the furnace is installed in a crawl space...
Page 12 - Recommended Installation Positions; Alternate “vertical” piping connections can not be used; Furnace Model
12 Recommended Installation Positions NOTE: Alternate “vertical” piping connections can not be used when an upflow furnace is installed with supply air discharging tothe right, or when a counterflow furnace is installed with supply airdischarging to the left. In either case, use the standard flue an...
Page 13 - Location Requirements and Considerations
13 It is the responsibility of the installer to follow the manufacturers’recommendations and to verify that all vent/flue piping and connec-tors are compatible with furnace flue products. Additionally, it isthe responsibility of the installer to ensure that all piping and con-nections possess adequa...
Page 14 - Increased Clearance Configuration; Materials and Joining Methods); upflow; Vent Termination Clearances
14 V ENT /F LUE P IPE Vent/flue pipe can be secured to the vent/flue coupling using therubber coupling and worm gear hose clamps provided with thisfurnace (see “Standard Connections” figure). The rubber couplingallows separation of the vent/flue pipe from the furnace during ser-vicing. Combustion Ai...
Page 15 - Standard Connections; LTERNATE
15 N ON -D IRECT V ENT I NSTALLATIONS A minimum of one 90° elbow should be installed on the combus-tion air intake “coupling” to guard against inadvertent blockage. RUBBER COUPLING WITH WORM GEAR CLAMPS RUBBER COUPLINGS WITH WORM GEAR CLAMPS COMBUSTION AIR PIPE (DIRECT VENT ONLY) COMBUSTION AIR PIPE...
Page 16 - CAUTION; non-direct vent installations; DETACH RUBBER
16 8. Upflow and Counterflow units . For horizontal installations , externally secure the field- supplied vent/flue pipe directly to the vent/flue coupling usinga PVC or ABS coupling or elbow. A LTERNATE C OMBUSTION A IR I NTAKE L OCATION The alternate combustion air intake location consists of a la...
Page 17 - direct vent installations; UPFLOW; CO UNT ERF LO W; number of elbows in the piping system.
17 6. For direct vent installations , secure field-supplied combustion air intake pipe directly to the air intake coupling. NOTE: A PVC coupling or elbow is required on counterflow units. N ON -D IRECT V ENT (S INGLE P IPE ) P IPING Non-direct vent installations require only a vent/flue pipe. The ve...
Page 18 - UPFLO W
18 In a basement installation, the vent/flue pipe can be run betweenjoist spaces. If the vent pipe must go below a joist and then up intothe last joist space to penetrate the header, two 45° elbows shouldbe used to reach the header rather than two 90° elbows. 12 " Min To Roof Or Highest Anticipa...
Page 19 - CO UN TE RFLOW; ing quantity of allowable elbows in the system.; tion Locations; Standard Horizontal Terminations (Dual Pipe); Alternate Horizontal Vent Termination (Dual Pipe)
19 1 2 3 4 5 6 7 8 2 or 2 1/ 2 49 46 43 40 37 34 31 28 3 71 68 65 62 59 56 53 50 2 or 2 1/ 2 36 33 30 27 24 21 18 15 3 57 54 51 48 45 42 39 36 2 or 2 1/ 2 61 58 55 52 49 46 43 40 3 71 68 65 62 59 56 53 50 2 or 2 1/ 2 48 45 42 39 36 33 30 27 3 57 54 51 48 45 42 39 36 St andard 3 71 68 65 62 59 56 53 ...
Page 20 - Alternate Vent Termination Above Anticipated Snow Level; Horizontal Venting Of Multiple Units; NOT; ONDENSATE; upright
20 Alternate Vent Termination Above Anticipated Snow Level (Dual Pipe) In a basement installation, the pipes may be run between the joistspaces. If the pipes must go below the joist and then up into thelast joist space to penetrate the header, two 45° elbows should beused to reach the header rather ...
Page 21 - Hose and Tube Identification; Alternate Vent/Flue Hose Connections; Upright “Standard” Connections - Right Side
21 S TANDARD R IGHT OR L EFT S IDE D RAIN H OSE C ONNECTIONS All installations positions require the use of the drain trap, hoses,tubes, and clamps. The following quantity of hoses, tubes, andhose clamps are provided with the unit. DRAIN TRAPQTY: 1 GREENHOSE CLAMPSQTY: 3 SILVERHOSE CLAMPQTY: 1 TUBE ...
Page 22 - Upright “Alternate” Connections - Right Side Only
22 A LTERNATE V ENT /F LUE D RAIN H OSE C ONNECTIONS Upright installations using the alternate vent/flue outlet will require “right-side only” drain hoses to be connected as follows. Refer to Vent/Flue Pipe and Combustion Air Pipe for details on alternate vent/flue pipe connection . 1. Remove the ru...
Page 23 - Upright “Standard” Connections - Left Side; Cabinet Wi dth
23 U PRIGHT I NSTALLATIONS -T RAP ON L EFT S IDE NOTE: For left side trap installation, grommets must be moved to the left side of the furnace and the plugs installed on the rightside of the furnace. 1. Remove the rubber plug/cap from the left side drain port on the front cover. 2. Secure Hose A to ...
Page 24 - IGHT; Counterflow furnaces; When using the horizontal alternate
24 H ORIZONTAL I NSTALLATIONS R IGHT S IDE D OWN Horizontal installations with the right side down require that thedrain hoses be connected to the right side front cover drain portand the rubber elbow drain port. NOTE: On counterflow models, relocation of the front cover pressure switch hose is requ...
Page 25 - Horizontal Connections - Left Side Down
25 Horizontal installations with the left side panel down will requiredrain hoses to be connected to the left side front cover drain portand the side drain port on the rubber elbow. 1. Remove the rubber plug/cap from the front cover left (down) side drain port. 2. Relocate the front cover pressure s...
Page 26 - HIGH; Wire routing must not to interfere with circulator blower; HIGH; box to the side panel.
26 E LECTRICAL C ONNECTIONS HIGH VOLTAGE ! T O AVOID THE RISK OF ELECTRICAL SHOCK , WIRING TO THE UNIT MUST BE POLARIZED AND GROUNDED . WARNING HIGH VOLTAGE ! T O AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK , DISCONNECT ELECTRICA...
Page 27 - OLT; STRONGLY; Use of ramping profiles requires a jumper between Y1; IMPORTANT NOTE; AUX; Low Voltage Connections with Auxiliary Terminals
27 To ensure proper unit grounding, the ground wire should run fromthe furnace ground screw located inside the furnace junction boxall the way back to the electrical panel. NOTE: Do not use gas piping as an electrical ground. To confirm proper unit grounding,turn off the electrical power and perform...
Page 28 - ON; Thermostat Wiring Diagrams; opens on humidity rise.; Humidifier
28 W1 W2 Y2 Furnace Integrated Control Module Remote Condensing Unit (Two-Stage Cooling) Dehumidistat [Optional] Y2 NEU W1 W2 Y2 Thermostat - Two-Stage Heating with Two-Stage Cooling S ET DIP SWITCH #14 TO ON POSITION WHEN USING A 2 ‐ STAGE COOLING THERMOSTAT . IMPORTANT NOTE...
Page 29 - Accessories Wiring; Natural Gas; Do; not; derate the furnace by adjusting the manifold pressure to a; Propane Gas and/or High
29 AUX OUT AUX IN L1 NEUTRAL Accessories Wiring If it is necessary for the installer to supply additional line voltagewiring to the inside of the furnace, the wiring must conform to alllocal codes, and have a minimum temperature rating of 105°C. Allline voltage wire splices must be made inside the f...
Page 30 - Adjustment; AS; Gas Piping Connections
30 G AS V ALVE This unit is equipped with a 24 volt gas valve which modulates bypneumatic linkage to the combustion air blower Taps for mea-suring the gas supply pressure and manifold pressure are providedon the valve. This is a non-convertible gas valve equipped fornatural gas. The gas valve has a ...
Page 32 - directly; ROPANE; Safety Precautions
32 D IRECT /S TANDARD I NLET P IPING E DGES OF SHEET METAL HOLES MAY BE SHARP . U SE GLOVES AS A PRECAUTION WHEN REMOVING HOLE PLUGS . WARNING When gas piping enters directly to the gas valve through the stan- dard inlet hole, the installer must supply straight pipe w...
Page 33 - Propane Gas Piping Chart I; Propane Gas Piping Chart II; Ductwork must never be at-
33 3/8" 1/2" 5/8" 3/4" 7/8" 1/2" 3/4" 10 730 1,700 3,200 5,300 8,300 3,200 7,500 20 500 1,100 220 3,700 5,800 2,200 4,200 30 400 920 2,000 2,900 4,700 1,800 4,000 40 370 850 1,700 2,700 4,100 1,600 3,700 50 330 770 1,500 2,400 3,700 1,500 3,400 60 300 700 1,300 2,200 3,30...
Page 34 - Checking Static Pressure; Airflow area will be; Duct Flange Cut Outs; ing will cause reduced airflow.; *Minimum filter area dictated by heating airflow requirement
34 Checking Static Pressure (80% Furnace Shown, 90% Similar) B OTTOM R ETURN A IR O PENING [U PFLOW M ODELS ] The bottom return air opening on upflow models utilizes a “lanceand cut” method to remove sheet metal from the duct opening inthe base pan. To remove, simply press out the lanced sections by...
Page 35 - *Minimum filter area dictated by heating airflow requirement.; PRIGHT; The following figure shows possible filter locations.; Possible Upright Upflow; Possible Upright Counterflow; ORIZONTAL; TARTUP; Operational Checks; Operation with Conventional 1-Stage Thermostat
35 600 800 1000 1200 1400 1600 2000 0603__XA --- --- 564* 564* 672 768 0805__XA --- --- --- 752* 752* 768 960 1005__XA1155__XA --- --- --- 940* 940* 940* 960 600 800 1000 1200 1400 1600 2000 0604__XA --- --- 641* 641* 672 768 --- 0805__XA1005__XA --- --- --- 854* 854* 854* 960 In p u t Ai rf lo w UP...
Page 36 - The IFC adjusts to the low firing rate.; The IFC adjusts to the low firing rate.; EATING; The IFC adjusts to the low firing rate.
36 • After 2 minutes, the IFC increases to 57% at a rateof 1% per second • After 10 total minutes, the IFC increases to 78% at arate of 1% per second. • After 20 total minutes, the IFC increases to 100% ata rate of 1% per second for the remainder of the callfor heat. • The circulator is adjusted to ...
Page 37 - densate Drain Lines & Drain Trap; Safety Instructions; URNACE
37 • If the differential is equal to or less than 2 degrees,the IFC will follow the conventional 2-Stage algorithm,equivalent to a W1 request and be reflected in theHeat Current Demand Status %. • If the heat differential is greater than 2 degrees, theIFC will follow the conventional 2-Stage algorit...
Page 38 - DIRECTION; PS; Honeywell Model VR9205R Connected to Manometer; Inlet Gas Supply Pressure
38 ATMOSPHERE PORT DIRECTION FLOW PS CONNECTION Honeywell Model VR9205R Outlet Pressure Tap 1/8 NPT InletPressureTap1/8 NPT 2-PINPOWERCONNECTOR i Manometer Manometer Hose Open to Atmosphere Honeywell Model VR9205R Connected to Manometer 1. Turn OFF gas to furnace at the manual gas shutoff valve exte...
Page 39 - The inducer will ramp up and; Range; Natural; Ma nif old Gas Pressure
39 3. Outlet pressure tap connections: Remove the outlet pressure boss plug. Install an 1/8" NPT hose barb fittinginto the outlet pressure tap. 4. Attach a hose and manometer to the outlet pressure barb fitting. 5. Turn ON the gas supply.6. Turn on power and close thermostat “R” and “W1” contact...
Page 40 - Temperature Rise Measurement; IRCULATOR; OFF
40 4. Adjust temperature rise by adjusting the circulator blower speed. Increase blower speed to reduce temperature rise.Decrease blower speed to increase temperature rise. Referto Startup Procedure and Adjustment -Circulator Blower Speeds for speed changing details. RISE = SUPPLY AIR RETURN AIR HEA...
Page 41 - Profile A; provides only an OFF delay of one (1) minute at; Profile B; ramps up to full cooling demand airflow by first; Profile C; ramps up to 85% of the full cooling demand airflow; Profile D; Airflow Table; Select the heating speed for your model from the heating
41 • Profile A provides only an OFF delay of one (1) minute at 100% of the cooling demand airflow. OFF 100% CFM 100% CFM 1 min OFF • Profile B ramps up to full cooling demand airflow by first stepping up to 50% of the full demand for 30 seconds. Themotor then ramps to 100% of the required airflow. A...
Page 42 - see Electrical Connec-; IRFLOW
42 B LOWER H EAT O FF D ELAY T IMINGS The integrated control module provides a selectable heat off delayfunction. The heat off delay period may be set to 90, 120, 150, 180seconds using the DIP switches or jumper provided on the controlmodule. The delay is factory shipped at 150 seconds but may becha...
Page 44 - IP
44 123456 789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 A O FF O F F --- -- - -- - -- - -- - --- --- -- - -- - -- - -- - -- - --- -- - --- -- - B O N O F F -- -- -- -- -- -- -- - -- - -- -- -- -- -- -- -- -- -- -- - -- - -- - -- - C O F F O N -- -- -- -- -- -- -- - -- - -- -- -- -- -- -- -- -- -- -- - -- ...
Page 45 - strongly; System Wiring using Four-Wires; Use of the CTK0*AA transformer is recommended if; System Wiring using Two-Wires between Furnace and AC/HP and
45 F OSSIL F UEL A PPLICATIONS This furnace can be used in conjunction with a ComfortNet™compatible heat pump in a fossil fuel application. A fossil fuelapplication refers to a combined gas furnace and heat pump in-stallation which uses an outdoor temperature sensor to determinethe most cost efficie...
Page 46 - C ONFIG URATIO N; Submenu Item; XIV, Startup Procedure and
46 F URNACE A DVANCED F EATURES M ENUS Submenu Item Ind ication (for Displ ay On ly; no t User Mo difi ab le) Number of Heat St ages (HT ST G) Displays the number of f urnace heating stages Input Rate (BT U/HR) Displays the f urnace input rate in kBtu/hr Motor HP (1/2, ¾, or 1 MTR HP) Displays the f...
Page 47 - THERMOSTAT; IAGNOSTICS; consecutive
47 T HERMOSTAT M ENU If this furnace is installed with a communicating compatible heatpump, the system is recognized as a dual fuel system. Thebalance point temperature should be set via the thermostat ad-vanced menu. Navigate to the THERMOSTAT menu. Press the INSTALLER CONFIG key. Navigate to the S...
Page 48 - OOOOO; LED
48 F AULT C LEAR S EQUENCE : • Only allowed in standby mode, while display isshowing ON. • Hold fault recall push-button for 5-10 seconds (untildisplay starts flashing “—”) and then release. • All faults in the history will have been cleared, anddisplay returns to ON. • If you hold the button for lo...
Page 49 - balance; PERATIONAL
49 If the last call for heat was a call for high heat, the aircirculating motor will run on the high heating speed for thirty(30) seconds and then switch to the low heating speed forthe balance of the heat off delay period (60, 90, 120 or 150 seconds). • Circulator blower and electronic air cleaner ...
Page 50 - ROUBLESHOOTING; BEFORE; Troubleshooting Codes; AINTENANCE
50 P RESSURE S WITCHES The pressure switches are normally-open (closed during opera-tion) negative air pressure-activated switches. They monitor theairflow (combustion air and flue products) through the heat ex-changer via pressure taps located on the induced draft blower andthe coil front cover. Th...
Page 51 - ILTER; Follow the manufacturer’s directions for service.
51 A NNUAL I NSPECTION The furnace should be inspected by a qualified installer, or serviceagency at least once per year. This check should be performed atthe beginning of the heating season. This will ensure that all fur-nace components are in proper working order and that the heatingsystem functio...
Page 53 - if
53 T ROUBLESHOOTING C ODES Co m fo r tNet Therm ost at On ly Sym ptom s of A bnor m al Opera ti on (N on-c om m unicat in g & C o m fortN et™ Therm ost at) D ia g no st ic /St atus LED Codes Fault De scr ipt ion Messa ge Code P o ss ib le C a u se s Correct ive Action s No tes & Ca utio ns x...
Page 55 - EA
55 T ROUBLESHOOTING C ODES Co m fo r tNet Therm o st at On ly Sym ptom s of A bnor m a l Opera ti on (N on-c o m m unicat in g & C o m fortN e t™ Therm ost a t) D ia g no st ic /St a tus LED Codes Fault De scr ipt ion Messa ge Code P o ss ib le C a u se s Correct ive Action s No tes & Ca uti...
Page 58 - E A; O n
58 S TATUS C ODES E 4 INTERNAL CONTROL FAULT/NO POWER NORMAL OPERATION LOCKOUT DUE TO EXCESSIVE RETRIES LOW STAGE PRESSUE SWI TCH STUCK CLOSED AT START OF HEATING CYCLE LOW STAGE PRSSURE SWI TCH STUCK OPEN OPEN HIGH LIMIT SWITCH FLAME DETECTED WHEN NO FLAME SHOULD BE PRESENT OPEN FUSE LOW FL AME SIG...