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507962-01

Page 36 of 53

Issue 2149

Electrical

ELECTROSTATIC DISCHARGE (ESD)

Precautions and Procedures

Electrostatic discharge can affect electronic components.

Take precautions during furnace installation and service

to protect the furnace’s electronic controls. Precautions

will help to avoid control exposure to electrostatic

discharge by putting the furnace, the control and the

technician at the same electrostatic potential. Neutralize

electrostatic charge by touching hand and all tools on

an unpainted unit surface, such as the gas valve or

blower deck, before performing any service procedure.

CAUTION

Figure 54.

Interior Make-Up Box Installation

Figure 55.

Interior Make-Up Box Installation

The unit is equipped with a field makeup box. The makeup

box may be installed on the exterior of the right side of

the furnace to facilitate installation. Seal unused openings

on left side with plugs removed from right side. Secure

the excess wire to the existing harness to protect it from

damage.

Refer to Figure 58 for field wiring and Figure 59 for

schematic wiring diagram and troubleshooting.

1. The power supply wiring must meet Class I restrictions.

Protected by either a fuse or circuit breaker, select

circuit protection and wire size according to unit

nameplate.

NOTE:

Unit nameplate states maximum current draw.

Maximum over current protection allowed is shown in

Table 11.

2. Holes are on both sides of the furnace cabinet to

facilitate wiring.

3. Install a separate (properly sized) disconnect switch

near the furnace so that power can be turned off for

servicing.

Table 11.

Capacity

Maximum Over-Current

Protection (Amps)

045B12, 070B16

090C20, 110C20

4. Before connecting the thermostat, check to make sure

the wires will be long enough for servicing at a later

date. Make sure that thermostat wire is long enough to

facilitate future removal of blower for service.

5. Complete the wiring connections to the equipment.

Use the provided unit wiring diagram and the field

wiring diagram shown in Figure 58. Use 18 gauge

wire or larger that is suitable for Class II rating for

thermostat connections.

6. Electrically ground the unit according to local codes or,

in the absence of local codes, according to the current

National Electric Code (ANSI/NFPA No. 70). A green

ground wire is provided in the field make-up box.

NOTE:

This furnace contains electronic components

that are polarity sensitive. Make sure that the furnace

is wired correctly and is properly grounded.

7. One line voltage “ACC” 1/4” spade terminal is provided

on the furnace integrated control. Any electronic air

cleaner or other accessory rated up to one amp can

be connected to this terminal with the neutral leg of the

circuit being connected to one of the provided neutral

terminals. This terminal is energized when the indoor

blower is operating.

8. One line voltage “HUM” 1/4” spade terminal is provided

on the furnace integrated control. Any humidifier rated

up to one amp can be connected to this terminal

with the neutral leg of the circuit being connected to

one of the provided neutral terminals. This terminal

is energized in the heating mode whenever the

combustion air inducer is operating.

9. Install the room thermostat according to the instructions

provided with the thermostat. If the furnace is being

matched with a heat pump, refer to the instruction

packaged with the dual fuel thermostat.

Содержание 96G2DFV

Страница 1: ...intenance can cause property damage personal injury or loss of life Installation and service must be performed by a licensed professional installer or equivalent service agency or the gas supplier WARNING As with any mechanical equipment personal injury can result from contact with sharp sheet metal edges Be careful when you handle this equipment CAUTION Table of Contents Unit Dimensions 2 Parts A...

Страница 2: ...507962 01 Page 2 of 53 Issue 2149 Unit Dimensions Capacity A B C in mm in mm in mm 045 12 070 16 17 1 2 446 16 3 8 416 16 406 090 20 110 20 21 533 19 7 8 504 19 1 2 495 ...

Страница 3: ...507962 01 Page 3 of 53 Issue 2149 Parts Arrangement Figure 1 Access Panel Combustion Air Inducer Burner Box Assembly Gas Valve Control Box Blower Assembly ...

Страница 4: ... find any damage immediately contact the last carrier Please refer to specification sheets for available accessories Safety Information DANGER OF EXPLOSION There are circumstances in which odorant used with LP propane gas can lose its scent In case of a leak LP propane gas will settle close to the floor and may be difficult to smell An LP propane leak detector should be installed in all LP applica...

Страница 5: ...rnace If the damper is manually operated it must be equipped to prevent operation of either the heating or the cooling unit unless it is in the full HEAT or COOL setting When installed this furnace must be electrically grounded according to local codes In addition in the United States installation must conform with the current National Electric Code ANSI NFPA No 70 The National Electric Code ANSI ...

Страница 6: ...ALLER IS RESPONSIBLE FOR CONFIRMING THAT THE USE OF CONSTRUCTION HEAT IS CONSISTENT WITH THE POLICIES AND CODES OF ALL REGULATING ENTITIES ALL SUCH POLICIES AND CODES MUST BE ADHERED TO General These instructions are intended as a general guide and do not supersede local codes in any way Consult authorities having jurisdiction before installation In addition to the requirements outlined previously...

Страница 7: ...This reprinted material is not the complete and official position of ANSI on the referenced subject which is represented only by the standard in its entirely In Canada refer to the CSA B149 Installation codes Do not install the furnace in a corrosive or contaminated atmosphere Meet all combustion and ventilation air requirements as well as all local codes CAUTION All gas fired appliances require a...

Страница 8: ...m of the top of the enclosure and one within 12 305 mm of the bottom These openings must communicate directly or by ducts with the outdoors or spaces crawl or attic that freely communicate with the outdoors or indirectly through vertical ducts Each opening shall have a minimum free area of 1 square inch per 4 000 Btu 645 mm per 59 kW per hour of the total input rating of all equipment in the enclo...

Страница 9: ...ted Exhaust Pipe Furnace Intake Debris Screen Provided See Maximum Vent Lengths table NOTE The inlet and outlet air openings shall each have a free area of at least one square inch per 4 000 Btu 645mm2 per 1 17kW per hour of the total input rating of all equipment in the enclosure Figure 9 Equipment in Confined Space Inlet Air from Ventilated Attic and Outlet Air to Outside Roof Terminated Exhaust...

Страница 10: ...t nameplate Minimum clearances for closet or alcove installations are shown in Figure 14 Figure 11 Units with 1 2 HP Blower Motor Blower access panel must be securely in place when blower and burners are operating Gas fumes which could contain carbon monoxide can be drawn into living space resulting in personal injury or death WARNING Figure 12 Setting Equipment Figure 13 Improper installation of ...

Страница 11: ...um into the opening 3 Set the unit over the plenum and seal the plenum to the unit 4 Ensure that the seal is adequate Table 1 Non Combustible Floor Opening Size Cabinet Width Front to Rear Side to Side in mm in mm B cabinet 17 5 19 3 4 502 16 5 8 422 C cabinet 21 20 1 8 511 NOTE Floor opening dimensions listed are 1 4 in 6 mm larger than the unit opening See dimension drawing on Page 2 Figure 15 I...

Страница 12: ...glass strips on the combustible flooring base to make sure they are properly glued and positioned 4 Lower supply air plenum into the combustible flooring base until plenum flanges seal against fiberglass strips NOTE Be careful not to damage fiberglass strips Check for a tight seal 5 Set the furnace over the plenum 6 Ensure that the seal between the furnace and plenum is adequate Installation on Co...

Страница 13: ...cement with skin and eyes CAUTION The exhaust and intake connections are made of PVC Use PVC primer and solvent cement when using PVC vent pipe When using ABS vent pipe use transitional solvent cement to make connections to the PVC fitting in the unit IMPORTANT Table 4 Piping and Fittings Specifications Schedule 40 PVC Pipe D1785 Schedule 40 PVC Cellular Core Pipe F891 Schedule 40 PVC Fittings D24...

Страница 14: ...romptly apply solvent cement to end of pipe and inside socket surface of fitting Cement should be applied lightly but uniformly to inside of socket Take care to keep excess cement out of socket Apply second coat to end of pipe NOTE Time is critical at this stage Do Not allow primer to dry before applying cement Capacity VENT PIPE DIA in STANDARD CONCENTRIC Outdoor Exhaust Accelerator Dia X Length ...

Страница 15: ...ning or death The following steps shall be followed for each appliance connected to the venting system being placed into operation while all other appliances connected to the venting system are not in operation WARNING 1 Seal any unused openings in the common venting system 2 Inspect the venting system for proper size and horizontal pitch Determine that there is no blockage restriction leakage cor...

Страница 16: ...t Vent gas central furnace NOTE In non Direct Vent installations combustion air is taken from indoors and flue gases are discharged outdoors In Direct Vent installations combustion air is taken from outdoors and flue gases are discharged outdoors Intake and exhaust pipe sizing Size pipe according to Table 6 and Table 7A through Table 7C Table 6 lists the minimum vent pipe lengths permitted Table 7...

Страница 17: ...size vent pipe diameter Figure 22 070 090 110 Standard or Concentric See Table 5 Intake or Exhaust 1 1 2 2 2 1 2 or 3 Furnace capacity 1 Which termination 2 Which needs most elbows 3 How many 4 Desired pipe size 5 What is the altitude 6 Use Table 7 to find max pipe length 7 ...

Страница 18: ...8 16 65 43 8 87 68 68 9 11 60 38 n a 82 63 63 10 6 55 33 77 58 58 Standard Termination at Elevation 4 501 10 000 ft Number of 90 Elbows Used 1 1 2 Pipe 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity Capacity 070 090 110 070 090 110 070 090 110 070 090 110 1 15 n a n a 51 29 n a 100 78 43 122 103 103 2 10 46 24 95 73 38 117 98 98 3 n a 41 19 90 68 33 112 93 93 4 36 14 85 63 28 107 88 88 5 31 9...

Страница 19: ...69 69 8 n a 55 39 n a 71 64 64 9 50 34 66 59 59 10 45 29 61 54 54 Concentric Termination at Elevation 4 501 10 000 ft Number of 90 Elbows Used 1 1 2 Pipe 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity Capacity 070 090 110 070 090 110 070 090 110 070 090 110 1 n a n a n a 43 27 n a 90 74 39 106 99 99 2 38 22 85 69 34 101 94 94 3 33 17 80 64 29 96 89 89 4 28 12 75 59 24 91 84 84 5 23 7 70 54 19...

Страница 20: ... be the same diameter 96G2DFV Maximum Allowable Exhaust Vent Length Using Ventilated Attic or Crawl Space for Intake Air in Feet Standard Termination at Elevation 0 10 000 ft Number of 90 Elbows Used 1 1 2 Pipe 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity Capacity 070 090 110 070 090 110 070 090 110 070 090 110 1 n a n a n a 41 24 n a 85 63 28 102 83 83 2 36 19 80 58 23 97 78 78 3 31 14 75 ...

Страница 21: ...given in general guide lines for piping terminations and intake and exhaust piping terminations for direct vent sections Refer to Table 7A through Table 7C for pipe sizes Use the following steps when installing the unit in Non Direct Vent applications where combustion air is taken from indoors and flue gases are discharged outdoors 1 Use field provided materials and the factory provided air intake...

Страница 22: ...re 28 or Figure 29 In addition position termination so it is free from any obstructions and 12 above the average snow accumulation At vent termination care must be taken to maintain protective coatings over building materials prolonged exposure to exhaust condensate can destroy protective coatings It is recommended that the exhaust outlet not be located within 6 feet 1 8 m of a condensing unit bec...

Страница 23: ...9 1 1 2 in 13 N A N A N A N A N A 2 in 12 10 19 16 18 15 2 1 2 in 7 N A 13 N A 12 N A 3 in N A N A 8 8 7 7 1 Refer to 99 Minimum Design Temperature table provided in the current edition of the ASHRAE Fundamentals Handbook 2 Poly Propylene vent pipe PP by Duravent and Centrotherm 3 Vent length in table is equivalent length Each elbow is equivalent to 5ft of straight pipe and should be included when...

Страница 24: ...nlet Clearance above paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 152mm for appliances 10 000 Btuh 3kw 12 inches 305mm for appliances 10 000 Btuh 3kw and 100 000 Btuh 30kw 36 inches 9m for app...

Страница 25: ...ithin a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 152mm for appliances 10 000 pliances 10 000 Btuh 3kw and 50 000 pliances 50 000 Btuh 15kw 6 inches 152mm for appliances 10 000 Btuh 3kw 12 inches 305mm for appliances 10 000 Btuh 3kw and 100 000 Btuh 30kw 36 inches 9m for appliances 100 000 Btuh 30kw 3 feet 9m above if within 10 feet 3m horizontally 6 feet 1 8m 7 fee...

Страница 26: ... straight down using two 90 elbows see Figure 30 4 Exhaust piping must terminate straight out or up as shown A reducer may be required on the exhaust piping at the point where it exits the structure to improve the velocity of exhaust away from the intake piping See Table 9 Table 9 Exhaust Pipe Termination Size Reduction Capacity Exhaust Pipe Size Termination Pipe Size 045 and 070 2 51 mm 2 1 2 64 ...

Страница 27: ...ake piping must be run up an outside wall the exhaust piping must be terminated with pipe sized per Table 9 The intake piping may be equipped with a 90 elbow turndown Using turndown will add 5 feet 1 5 m to the equivalent length of the pipe 8 Based on the recommendation of the manufacturer a multiple furnace installation may use a group of up to four terminations assembled together horizontally as...

Страница 28: ...e snow accumulation B Horizontal separation between intake and exhaust C Minimum from end of exhaust to inlet of intake D Exhaust pipe length E Wall support distance from top of each pipe intake exhaust 12 305 mm Min 12 305 mm Min 6 152 mm Min 24 610 mm Max 9 227 mm Min 12 305 mm Min 16 405 mm Max 6 152 mm Max 6 152 mm Min 24 610 mm Max 9 227 mm Min 12 305 mm Min 20 508 mm Max 6 152 mm Max D C 12 ...

Страница 29: ... ACCUMULATION SIZE PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE Figure 40 Non Direct Vent Field Supplied Wall Termination SIZE TERMINATION PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT DIFFERENT VENT PIPE SIZE TO TERMINATION Figure 41 Non Direct Vent Field Supplied Wall Termination Extended SIZE TERMINATION PER EXHAUST PIPE TERMINATION SIZE ...

Страница 30: ...Termination Drain Trap assembled Figure 43 Kit 51W18 USA 15Z70 Canada Parts Identification and Assembly Exhaust from Furnace To Termination Exhaust from Furnace To Termination Kit 51W18 is shown Figure 44 Crawl Space Vent Pipe Drain Trap Assembled Incorrectly Figure 45 Upflow or Downflow Furnace with Exhaust through Crawl Space KIT 51W18 USA Basement Floor To Termination 1 2 PVC to Code Approved D...

Страница 31: ...slope from the furnace to the drain Do Not use copper tubing or existing copper condensate lines for drain line CAUTION Figure 46 Condensate Trap and Plug Locations Plug same on left side Trap same on right side 1 1 2 in NOTE Vinyl tubing may be used for condensate drain Tubing must be 1 1 4 OD x 1 ID and should be attached to the drain on the trap using a hose clamp 5 Figure 48 shows the furnace ...

Страница 32: ...bining the furnace and evaporator coil drains together the A C condensate drain outlet must be vented to relieve pressure in order for the furnace pressure switch to operate properly CAUTION Figure 49 Evaporator Coil Using a Common Drain Figure 50 Condensate Trap with Optional Overflow Switch ...

Страница 33: ...rnished Drain Assembly for 3 4 inch Drain Pipe Condensate Drain Connection In Unit Condensate Drain Connection In Unit Vent To Drain Condensate Drain Connection In Unit Optional Condensate Drain Connection OptionalDrainPipingFromTrap DrainTrapAssembly Furnished DrainTrap Assembly with 1 2 inch Piping DrainTrap Assembly with 3 4 inch Piping 1 2 inch 3 4 inch 1 25 mm Min 2 50 mm Max Above Top Of Con...

Страница 34: ...diment or condensate 5 A 1 8 N P T plugged tap or pressure post is located on the gas valve to facilitate test gauge connection 6 In some localities codes may require installation of a manual main shut off valve and union furnished by installer external to the unit Union must be of the ground joint type Compounds used on threaded joints of gas piping must be resistant to the actions of liquified p...

Страница 35: ...54 118 3 34 110 3 11 103 2 92 1 25 4 1 049 26 645 680 19 25 465 13 17 375 10 62 320 9 06 285 8 07 260 7 36 240 6 80 220 6 23 205 5 80 195 5 52 1 1 4 31 75 1 380 35 052 1400 39 64 950 26 90 770 21 80 660 18 69 580 16 42 530 15 01 490 13 87 460 13 03 430 12 18 400 11 33 1 1 2 38 1 1 610 40 894 2100 59 46 460 41 34 1180 33 41 990 28 03 900 25 48 810 22 94 750 21 24 690 19 54 650 18 41 620 17 56 2 50 ...

Страница 36: ...ty Maximum Over Current Protection Amps 045B12 070B16 15 090C20 110C20 20 4 Before connecting the thermostat check to make sure the wires will be long enough for servicing at a later date Make sure that thermostat wire is long enough to facilitate future removal of blower for service 5 Complete the wiring connections to the equipment Use the provided unit wiring diagram and the field wiring diagra...

Страница 37: ...erature limitation for Type T wire 63 F 35 C rise Connect a sufficiently sized wire with ground to the furnace s line voltage connections and ground wire Refer to the furnace rating plate for electrical characteristics to be used in sizing field supply wiring and overcurrent protection The line voltage supply should be routed through a readily accessible disconnect located within sight of the furn...

Страница 38: ... is a call for dehumidification Both the passive and active dehumidification methods described above can be utilized on the same furnace Circulating Airflow Adjustments Cooling Mode The units are factory set for the highest airflow for each model Adjustments can be made to the cooling airflow by repositioning the jumper plug marked COOL A B C D see Figure 57 To determine what CFM the motor is deli...

Страница 39: ...fan closes the R to G circuit and the circulating blower motor runs at 50 of the selected cooling CFM until switched off When the call for fan is turned OFF the control de energizes the circulating blower Cooling The unit is set up at the factory for single stage cooling For two stage cooling operation clip the jumper wire located between the Y to Y2 terminals on the integrated ignition blower con...

Страница 40: ...e code The flash codes are presented in Table 12 Fault Code History Button The control stores the last five fault codes in memory A push button switch is located on the control When the push button switch is pressed and released the control flashes the stored fault codes The most recent fault code is flashed first the oldest fault code is flashed last To clear the fault code history press and hold...

Страница 41: ...507962 01 Page 41 of 53 Issue 2149 Figure 58 Typical Field Wiring Diagram ...

Страница 42: ...NG MATERIAL HAVING A TEMP RATING OF AT LEAST 90 c 3 PROPER POLARITY MUST BE OBSERVED FOR FIELD LINE VOLTAGE SUPPLY IGNITION CONTROL WILL LOCK OUT IF POLARITY IS REVERSED 4 FOR TEMPORARY SERVICE REPLACEMENT OF CIRCULATING BLOWER MOTOR WITH PSC MOTOR CONNECT DESIRED SPEED TAP TO EAC TERMINAL AND NEUTRAL TAP TO NEUTRAL TERMINAL ON IGNITION CONTROL 5 DO NOT CONNECT C COMMON CONNECTION BETWEEN INDOOR U...

Страница 43: ... 2 Visually inspect the venting system for proper size and horizontal pitch Determine there is no blockage or restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 To the extent that it is practical close all building doors and windows and all doors between the space in which the appliances connected to the venting system are located and other spaces of the bu...

Страница 44: ... Priming Condensate Trap The condensate trap should be primed with water prior to start up to ensure proper condensate drainage Either pour 10 fl oz 300 ml of water into the trap or follow these steps to prime the trap 1 Follow the lighting instructions to place the unit into operation 2 Set the thermostat to initiate a heating demand 3 Allow the burners to fire for approximately 3 minutes 4 Adjus...

Страница 45: ...ck gas orifices for proper size and restriction Remove temporary gas meter if installed NOTE To obtain accurate reading shut off all other gas appliances connected to meter Supply Pressure Measurement A pressure post on the inlet side of the gas valve provides access to the supply pressure Back out the 3 32 Hex screw one turn connect a piece of 5 16 tubing and connect a manometer to measure supply...

Страница 46: ...efore allowing ignition trial The switch is factory set and must not be adjusted Temperature Rise After the furnace has been started and supply and return air temperatures have been allowed to stabilize check the temperature rise If necessary adjust the blower speed to maintain the temperature rise within the range shown on the unit nameplate See Table 18 for allowable heating speeds Increase the ...

Страница 47: ...0 1210 1360 Normal 805 965 1105 1250 735 865 1000 1130 1st Stage 640 755 850 975 Normal 580 695 780 880 545 645 720 795 Model Temp Rise Speed Adjustment Heating CFM 0 0 8 w c Setting D Setting C Setting B Setting A 96G2DF070BV16 High Fire 35 65 1110 1305 1430 1700 Normal 995 1175 1315 1520 880 1055 1170 1365 Low Fire 25 55 860 1020 1140 1340 Normal 795 910 1030 1230 680 825 910 1085 Cooling Stage ...

Страница 48: ...ormal 1225 1450 1630 1830 1120 1270 1450 1660 1st Stage 955 1115 1265 1450 Normal 855 1005 1150 1285 750 890 1060 1170 Model Temp Rise Speed Adjustment Heating CFM 0 0 8 w c Setting D Setting C Setting B Setting A 96G2DF110CV20 High Fire 35 65 1595 1795 1955 2140 Normal 1450 1615 1795 1975 1290 1460 1610 1795 Low Fire 25 55 1165 1305 1465 1625 Normal 1055 1185 1315 1475 930 1070 1180 1320 Cooling ...

Страница 49: ... Allowed Allowed Allowed Allowed Norm Allowed Allowed Factory Setting Allowed 10 Allowed Allowed Allowed Allowed 96G2DF090CV20 10 Allowed Allowed Allowed Allowed Norm Allowed Allowed Factory Setting Allowed 10 Allowed Allowed Allowed Allowed 96G2DF110CV20 10 Allowed Allowed Allowed Allowed Norm Allowed Allowed Factory Setting Allowed 10 Allowed Allowed Allowed Allowed Table 18 Allowable Circulatio...

Страница 50: ...late__________Actual__________ Winterizing and Condensate Trap Care 1 Turn off power to the furnace 2 Have a shallow pan ready to empty condensate water 3 Remove the clean out cap from the condensate trap and empty water Inspect the trap then reinstall the clean out cap Cleaning Heat Exchanger If cleaning the heat exchanger becomes necessary follow the below procedures and refer to Figure 1 when d...

Страница 51: ...ners line up in center of burner ports 34 Reinstall gas valve manifold assembly Reconnect gas supply line to gas valve 35 Reconnect wires to gas valve 36 Replace the blower compartment access panel 37 Refer to instruction on verifying gas and electrical connections when re establishing supplies 38 Follow lighting instructions to light and operate furnace for 5 minutes to ensure that heat exchanger...

Страница 52: ...detected during the inspection may make it necessary to temporarily shut down the furnace until the items can be repaired or replaced Instruct the homeowners to pay attention to their furnace Situations can arise between annual furnace inspections that may result in unsafe operation For instance items innocently stored next to the furnace may obstruct the combustion air supply This could cause inc...

Страница 53: ...m height 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 half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not app...

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