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Bard W24G3-A, Installation Instructions Manual

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Bard W24G3-A Installation Instructions Manual Download Page 22

Manual 2100-630A
Page 

22 of 49

R

Y2

Y

L

Y1

RC

D/YO

3

2

W

R

A

Factory Installed Jumper

Terminal

Y1

B

Unit 24V

C

MIS-2774

Low Voltage Wiring - No Ventilation Package

1

G

Y

Unit Control Panel

G

Block

W1/E

G

W1

1

C

A

W2

E

Y2

O

F

C

O/B

R

W2

Thermostat Subbase

2

1

2

SET SWITCH ON THERMOSTAT TO "GAS-OIL"

CONFIGURE THERMOSTAT FOR HEAT/COOL

Thermostat

Part #8403-060

(1120-445)

Thermostat

Part #8403-057

TH3110D1040

FIGURE 11

Low Voltage Wiring

No Ventilation Package

Summary of Contents for W24G3-A

Page 1: ...THESE INSTRUCTIONS AND THE REQUIREMENTS OF ALL GOVERNING CODES AND ORDINANCES FOR THE INSTALLATION LOCATION IT IS THE RESPONSIBILITY OF INSTALLER TO KNOW AND UNDERSTAND ALL OF THESE REQUIREMENTS FAIL...

Page 2: ...w Voltage Wiring 21 17 Thermostats 21 18 Gas Supply and Piping 26 19 Manifold Pressure Adjustment 27 20 Checking Gas Input Rate 27 21 Standard Orifice Sizing and High Altitude Derate 29 22 Conversion...

Page 3: ...5 Figure 18 Top View of Gas Control 36 Figure 19 Sequence of Operation Electronic Blower Control 38 Figure 20 Furnace Control Board and Blower Control 39 Figure 21 Fan Blade 48 Figure 22 Low NOx Inser...

Page 4: ...exdale Boulevard Rexdale Ontario Canada M9W 1R3 Telephone 416 447 4044 BARD MANUFACTURING COMPANY INC BRYAN OHIO 43506 USA These publications can help when installing the furnace They can usually be f...

Page 5: ...omizer Fully Modulating E WGJIFM 3 WGJIFM 5 Energy Recovery Ventilator 230 Volt R WGERV A3B WGERV A5B Energy Recovery Ventilator 460 Volt R WGERV C3C WGERV C5C MODEL Wall Mount CONTROL OPTIONS See tab...

Page 6: ...Always used with compressor control module CCM which is included See Note LPC Low pressure control is auto reset Always used with compressor control module CCM which is included See Note LAC Low ambie...

Page 7: ...8 8 8 4 9 Branch Circuit Selection Current 12 8 8 3 5 1 14 1 9 0 5 6 16 7 10 5 5 8 Lock Rotor Amps 64 64 58 58 28 77 77 71 71 38 79 79 73 73 38 Compressor Type Scroll Scroll Scroll Scroll Scroll Scro...

Page 8: ...6 7 8 Branch Circuit Selection Current 19 9 13 1 6 1 21 8 13 8 6 3 26 3 16 6 7 8 Lock Rotor Amps 109 109 83 83 41 117 117 83 83 41 134 134 110 110 52 Compressor Type Scroll Scroll Scroll Scroll Scrol...

Page 9: ...TION ENTRANCES FRONT CIRCUIT BREAKER MIS 3239 HIGH VOLTAGE ENTRANCES FRONT DOOR FILTER SERVICE DOOR UNIT A B C D E F G H I J K L M N O P Q R W24G W30G W36G 7 88 27 88 13 88 24 25 40 25 63 81 63 27 38...

Page 10: ...cording to methods given by the Air Conditioning Contractors of America ACCA When duct runs through unheated spaces it should be insulated with a minimum of one inch of insulation Use insulation with...

Page 11: ...enough to carry the weight of the unit without transmitting any unit vibration 3 Concrete block walls must be thoroughly inspected to insure that they are capable of carrying the weight of the install...

Page 12: ...PTIONAL 12 FLANGE SCREWS UNIT SUPPORT 1 MIN NECCESSARY NO CLEARANCE SUPPLY AIR DUCT RETURN AIR DUCT CONTROL PANEL VESTIBULE DOOR WALL STRUCTURE OUTSIDE 1 CLEARANCE ON ALL FOUR SIDES OF SUPPLY AIR DUCT...

Page 13: ...Manual 2100 630A Page 13 of 49 FIGURE 2A Mounting Instructions for W42G W48G and W60G...

Page 14: ...of one 1 inch clearance must be maintained between the supply air duct and combustible materials This is required for the first three 3 feet of ducting It is important to insure that the one 1 inch m...

Page 15: ...Manual 2100 630A Page 15 of 49 FIGURE 4 Wall Mounting Instructions FIGURE 5 Wall Mounting Instructions...

Page 16: ...Manual 2100 630A Page 16 of 49 FIGURE 6 Common Wall Mounting Installations...

Page 17: ...d the condenser inlet and discharge openings DO NOT install the unit in a location that will permit discharged air from the condenser to recirculate to the condenser inlet TABLE 2 Minimum Installation...

Page 18: ...e kit includes a stainless steel transition drain tee silicone sealant and drain tubing If unit is installed with vertical vent kit annually inspect the vent system and drain Replace any portion of th...

Page 19: ...nce spillage at the draft hood relief opening after 5 minutes of main burner operation Use the flame of a match or candle 6 After it has been determined that each appliance connected to the venting sy...

Page 20: ...a proper electrical ground could result in electric shock or fire 15 WIRING MAIN POWER Refer to unit rating plate for wire sizing information and maximum fuse or circuit breaker size Each outdoor unit...

Page 21: ...240V tap For 208V operation reconnect from 240V to 208V tap The acceptable operating voltage range for the 240V and 208V taps are TABLE 3 Thermostat Wire Size FIGURE 10 Installation of Flexible Condui...

Page 22: ...ltage Wiring No Ventilation Package 1 G Y Unit Control Panel G Block W1 E G W1 1 C A W2 E Y2 O F C O B R W2 Thermostat Subbase 2 1 2 SET SWITCH ON THERMOSTAT TO GAS OIL CONFIGURE THERMOSTAT FOR HEAT C...

Page 23: ...THERMOSTAT TO GAS OIL CONFIGURE THERMOSTAT FOR HEAT COOL RED MUST INSTALL JUMPER FOR 8403 057 OR OTHER THERMOSTAT THAT DOES NOT Low Voltage Wiring G COMMERCIAL ROOM VENTILATOR POWER RED MUST BE CONFIG...

Page 24: ...03 060 L Y1 2 Y W1 R CONFIGURE THERMOSTAT FOR HEAT COOL Y1 1 WIRES Y2 G W1 E A C C A 1 PURPLE Unit 24V R 1 Thermostat PLUG Thermostat Subbase O B G W2 1 R 3 F E ORANGE W2 Part 8403 058 Y2 Unit Control...

Page 25: ...Manual 2100 630A Page 25 of 49 FIGURE 14 Gas Pipe Connection W24G W36G W42G W60G...

Page 26: ...ch pipe connection and watching for bubbles If a leak is found make the necessary repairs immediately and repeat the above test The furnace must be isolated from the gas supply piping system by closin...

Page 27: ...t manifold pressure by turning gas control regulator adjusting screw clockwise to increase pressure or turning counterclockwise to decrease pressure Manifold pressure must be within allowable range as...

Page 28: ...eft on this is the furnace gas input 9 If the water heater dryer or range pilots were left on allow for them in calculating correct furnace gas input A quick way is to allow 1 000 BTU per hour for a w...

Page 29: ...34 992 38 880 34 182 37 980 33 696 37 440 33 048 36 720 32 643 36 270 32 076 35 640 61 000 68 000 60 750 67 500 58 806 65 340 56 862 63 180 54 918 61 020 53 460 59 400 52 488 58 320 51 273 56 970 50 5...

Page 30: ...hange and Orifice Change Based on BTU Content 8 001 to 10 000 Requires Pressure Switch Change and Orifice Change Based on BTU Content 22250 BTU Per Burner 700 749 2 60 2 50 2 45 750 799 2 50 2 45 2 40...

Page 31: ...stalled orifice size 2 30 orifices are shipped with the unit for field installed optional 10 derate Optional 10 Field Converted Derate Gas Heat Value BTU Cu Ft Up to 6 000 No Changes Except for BTU Co...

Page 32: ...2 from furnace Locate thermometer tip in center of plenum to insure proper temperature measurement 6 Place second thermometer in return air duct approximately 2 from furnace Locate thermometer tip in...

Page 33: ...igh Pressure Switch and Lockout Sequence Standard Feature If the high pressure switch opens the compressor contactor will de energize immediately The lockout timer will go into a soft lockout and stay...

Page 34: ...make DOM timing on power up and after power interruptions is equal to 2 minutes plus 10 of delay on break setting 0 5 minute 30 seconds DOB 123 second DOM 1 0 minute 60 seconds DOB 126 second DOM 2 0...

Page 35: ...llow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life 1 Set the thermostat to lowest setting 2 Turn off all electric power to the appli...

Page 36: ...the upper tubes of the heat exchanger Check the exterior of the heat exchanger and the interior flue gas passages for any evidence of deterioration due to corrosion cracking or other causes If signs...

Page 37: ...sure the supply and return air flange sleeves or duct work are securely fastened to unit and physically sound d Supply and return grilles must be open and free from obstructions e Inspect to make sur...

Page 38: ...Heat fan on delay timing begins When timing is complete the circulating fan is energized at heat speed Thermostat ends call for heat Ignition system is de energized and gas valve closes Combustion air...

Page 39: ...heating modes to check for proper blower operation If it is desirable to have both HEAT COOL blower motor speed at the same speed install a jumper wire between HEAT and COOL terminals of the integrate...

Page 40: ...Input 81 000 BTU Input High Medium Low High Medium Low High Medium Low 0 1 820 1260 1060 1060 870 0 2 950 770 1200 1010 1200 1010 0 3 880 700 1120 1120 940 0 4 790 1030 1030 860 0 5 910 710 950 0 6 8...

Page 41: ...igh Medium Low 0 1 1000 1260 1060 1260 1060 0 2 1160 950 1370 1200 1010 1200 1010 0 3 1080 880 1290 1120 940 1120 940 0 4 1150 990 1190 1030 1190 1030 860 0 5 1050 910 1090 950 1090 950 0 6 940 980 98...

Page 42: ...h Medium Low 0 1 1220 1000 1260 1060 1260 1060 0 2 1160 950 1370 1200 1010 1200 1010 0 3 1250 1080 1290 1120 940 1120 940 0 4 1150 990 1190 1030 1190 1030 860 0 5 1050 1090 950 1090 950 0 6 940 980 98...

Page 43: ...880 1510 1510 1090 0 3 1400 1760 1460 1460 0 4 1480 1290 1670 1340 1670 1340 0 5 1390 1560 1240 1560 1240 0 6 1270 1430 1130 1430 1130 ESP Inches H2 O COOLING MODE MANUAL FAN and HEATING MODE Wet Coil...

Page 44: ...0 1450 1880 1510 1510 1110 0 3 1600 1400 1760 1460 1460 1090 0 4 1480 1290 1670 1340 1670 1340 0 5 1390 1560 1240 1560 1240 0 6 1270 1430 1430 1130 ESP Inches H2 O COOLING MODE MANUAL FAN and HEATING...

Page 45: ...0 2 1710 1450 1880 1510 1510 1110 0 3 1600 1400 1760 1460 1460 1090 0 4 1480 1670 1340 1670 1340 0 5 1390 1560 1240 1560 1240 0 6 1430 1430 1130 ESP Inches H2 O COOLING MODE MANUAL FAN and HEATING MOD...

Page 46: ...uation the inducer will operate for the 30 second postpurge and the comfort air blower will operate for the selected off delay If on Manual Fan operation the comfort air blower will continue to operat...

Page 47: ...ow Side High Side 115 279 122 301 127 324 134 349 139 374 143 400 148 426 151 453 154 482 157 512 159 542 161 574 162 608 Low side pressure 4 PSIG High side pressure 10 PSIG Tables based upon rated CF...

Page 48: ...tion and malfunction of the burner system FIGURE 22 Low NOx Insert 35 R 410A REFRIGERANT CHARGE This unit was charged at the factory with the quantity of refrigerant listed on the serial plate AHRI ca...

Page 49: ...4085 381 W30G3 A 4085 161 4085 162 W30G3 B 4085 259 4085 260 W30G3 C 4085 382 4085 383 W36G3 A 4085 161 4085 162 W36G3 B 4085 259 4085 260 W36G3 C 4085 382 4085 383 W42G3 A 4085 161 4085 162 W42G3 B 4...

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