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5322625-UIM-A-0417

Johnson Controls Unitary Products

3

3.

Never test for gas leaks with an open flame. Use commercially
available soap solution made specifically for the detection of leaks
when checking all connections, as specified on Page 10 of these
instructions.

4.

Always install furnace to operate within the furnace's intended tem-
perature-rise range with the duct system and within the allowable
external static pressure range, as specified on the unit name/rating
plate, specified in Table 6 of these instructions.

5.

This equipment is not to be used for temporary heating of buildings
or structures under construction.

LIMITATIONS

These units must be installed in accordance with the following:

In U.S.A.:

1.

National Electrical Code, ANSI/NFPA No. 70 - Latest Edition

2.

National Fuel Gas Code, ANSI Z223.1 - Latest Edition

3.

Gas-Fired Central Furnace Standard, ANSI Z21.47a. - Latest Edi-
tion

4.

Local building codes, and

5.

Local gas utility requirements

In Canada:

1.

Canadian Electrical Code, CSA C22.1

2.

Installation Codes, CSA - B149.1.

3.

Local plumbing and waste water codes, and

4.

Other applicable local codes.

Refer to unit application data found in this document.

After installation, gas fired units must be adjusted to obtain a temperature
rise within the range specified on the unit rating plate.

If components are to be added to a unit to meet local codes, they are to
be installed at the dealer’s and/or customer’s expense.

Size of unit for proposed installation should be based on heat loss/heat
gain calculation made according to the methods of Air Conditioning
Contractors of America (ACCA).

This furnace is not to be used for temporary heating of buildings or
structures under construction.

Table 1:

Unit Limitations

Model

Unit Voltage

Unit Limitations

Applied Voltage

Outdoor DB Temp

Min

Max

Max (°F)

PHG6A24

208/230-1-60

187

252

125

PHG6A30

208/230-1-60

187

252

125

PHG6B36

208/230-1-60

187

252

125

PHG6B42

208/230-1-60

187

252

125

PHG6B48

208/230-1-60

187

252

125

PHG6B60

208/230-1-60

187

252

125

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Содержание PHG6A24

Страница 1: ... Control Board Fault Codes 22 Inlet Gas Pressure Range 24 Nominal Manifold Pressure 24 Gas Rate Cubic Feet Per Hour 26 SECTION I GENERAL INFORMATION These are electric heat pump gas heating units designed for outdoor installation Only gas piping electric power and duct connections are required at the point of installation The gas fired heaters have spark ignition The refrigerant system is fully ch...

Страница 2: ...a qualified installer service agency or the gas supplier WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS 1 Do not try to light any appliance 2 Do not tou...

Страница 3: ...uilding codes and 5 Local gas utility requirements In Canada 1 Canadian Electrical Code CSA C22 1 2 Installation Codes CSA B149 1 3 Local plumbing and waste water codes and 4 Other applicable local codes Refer to unit application data found in this document After installation gas fired units must be adjusted to obtain a temperature rise within the range specified on the unit rating plate If compon...

Страница 4: ...he base rails Spreader bars whose length exceeds the largest dimension across the unit MUST be used across the top of the unit Units may be moved or lifted with a forklift Slotted openings in the base rails are provided for this purpose FIGURE 1 Component Location FAN MOTOR OUTDOOR FAN COIL GUARD PANEL OUTDOOR COIL Behind Panel CONTROL BOARD TRANSFORMER HIGH VOLTAGE CONTACTOR PRESSURE SWITCH DRAFT...

Страница 5: ...4 449 28 15 155 108 96 90 PHG6A30075 458 453 28 15 161 102 90 100 PHG6B36065 503 498 29 14 176 122 104 96 PHG6B36100 510 505 29 14 178 123 109 95 PHG6B42065 537 532 29 14 190 132 112 98 PHG6B42100 539 534 29 14 191 133 109 101 PHG6B48065 556 551 28 14 199 137 106 109 PHG6B48100 564 559 28 14 194 141 117 107 PHG6B48125 569 564 29 14 193 146 126 99 PHG6B60065 582 577 29 14 199 151 127 100 PHG6B60100...

Страница 6: ...6B42 51 1 4 45 3 4 49 PHG6B48 51 1 4 45 3 4 53 PHG6B60 51 1 4 45 3 4 55 Table 4 Unit Clearances1 2 1 A 1 clearance must be provided between any combustible material and the supply air duct work 2 The products of combustion must not be allowed to accumulate within a confined space and recirculate Direction Distance in Direction Distance in Top3 3 Units must be installed outdoors Over hanging struct...

Страница 7: ...in the return air ductwork or install a Filter Frame Kit A filter rack and high velocity filters are standard on three phase units Filters must always be used and must be kept clean When filters become dirt laden insufficient air will be delivered by the blower decreasing your units efficiency and increasing operating costs and wear and tear on the unit and controls Filters should be checked month...

Страница 8: ...in distribution panel and properly fused Refer to Figure 7 for typical field wiring and to the appropriate unit wir ing diagram for control circuit and power wiring information Unit comes wired for 230 Volts power If supply power is 208 Volts wires connected to control transformer 230V tap must be moved to the 208V tap CAUTION This system uses R 410A Refrigerant which operates at higher pres sures...

Страница 9: ... 0 No burners 2 3 2 3 2 3 2 3 2 3 4 2 3 4 No stages 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Temperature Rise Range High Fire F 40 70 40 70 40 70 40 70 40 70 40 70 Temperature Rise Range Low Fire F 20 50 20 50 25 55 25 55 25 55 25 55 Max Static Pressure w c 0 5 0 5 0 5 0 5 0 5 0 5 Max Outlet Air Temp F 180 180 180 180 180 180 Gas piping connection inch 1 2 1 2 1 2 1 2 1 2 1 2 Dimensions inches Length 51 1 4 51...

Страница 10: ...ay have to be installed outside of the unit 3 Use wrought iron or steel pipe for all gas lines Pipe thread sealant should be applied sparingly to male threads only MODELS PHG4A24 PHG4A30 PHG4B36 PHG4B42 PHG4B48 PHG4B60 NOMINAL TONNAGE 2 0 2 5 3 0 3 5 4 0 5 0 COMPONENT Direct Drive Indoor Fan Data Fan Size Inch 11 x 8 11 x 8 11 x 10 11 x 10 11 x 10 11 x 10 Type Centrifugal Centrifugal Centrifugal C...

Страница 11: ...drop of 0 5 inch water column Length In Feet Nominal Inches Iron Pipe Size 1 2 3 4 1 1 1 4 10 275 567 1071 2 205 20 189 393 732 1496 30 152 315 590 1212 40 129 267 504 1039 50 114 237 448 913 60 103 217 409 834 70 96 196 378 771 80 89 185 346 724 90 83 173 322 677 100 78 162 307 630 CAUTION If flexible stainless steel tubing is allowed by the authority having jurisdiction wrought iron or steel pip...

Страница 12: ...16 3 75 3 4 40 70 20 50 Table 11 Propane1 LP Gas Application Data 1 Propane applications are accomplished by field installation of a Propane Conversion Accessory Available On Models Input Capacity MBH 1 High Fire Low Fire Output Capacity MBH High Fire Low Fire Gas Rate2 Ft 3 Hr High Fire Low Fire 2 Heating capacity valid for elevations up to 2 000 feet above sea level For elevations above 2 000 fe...

Страница 13: ... 667 612 561 524 487 Low Heat A 1205 1182 1145 1107 1065 1019 979 938 896 845 B 1076 1047 1011 967 912 875 833 790 734 707 C 992 957 912 863 813 774 724 672 622 596 D 902 822 764 713 669 612 557 513 480 437 30050 High Cool A 1148 1117 1081 1039 991 945 901 862 821 764 B 1078 1047 1007 962 906 859 816 769 722 693 C 1026 994 951 903 846 803 757 696 673 635 D 871 824 771 712 664 616 580 536 470 458 L...

Страница 14: ...5 1518 1494 1459 1414 1360 1318 1261 1220 1162 B 1473 1435 1406 1368 1320 1264 1220 1164 1119 1060 C 1374 1333 1298 1255 1204 1145 1100 1044 993 933 D 1216 1168 1117 1064 1007 942 892 838 775 712 Low Cool A 1233 1186 1137 1085 1029 965 915 861 799 736 B 1139 1087 1027 968 907 839 785 733 663 598 C 1025 966 892 823 756 684 625 575 494 427 D 964 900 816 742 672 596 534 485 398 329 High Heat A 1120 1...

Страница 15: ...809 1781 1746 1707 1656 1609 1552 1518 1460 B 1689 1652 1630 1597 1556 1504 1461 1404 1368 1310 C 1614 1578 1554 1520 1477 1424 1382 1324 1286 1228 D 1374 1333 1298 1255 1204 1145 1100 1044 993 933 Low Cool A 1473 1435 1406 1368 1320 1264 1220 1164 1119 1060 B 1374 1333 1298 1255 1204 1145 1100 1044 993 933 C 1322 1278 1238 1191 1138 1077 1030 975 920 859 D 1286 1241 1197 1149 1095 1032 984 930 87...

Страница 16: ...329 1280 1232 1181 1135 C 1410 1361 1307 1255 1204 1155 1100 1044 992 938 D 1323 1270 1213 1156 1104 1052 993 933 880 821 Low Heat A 1594 1553 1507 1462 1415 1369 1321 1274 1223 1178 B 1323 1270 1213 1156 1104 1052 993 933 880 821 C 1181 1118 1049 980 913 857 795 743 696 640 D 1025 950 868 788 713 654 591 505 458 415 60125 High Cool A 2149 2114 2077 2030 1989 1948 1905 1859 1816 1768 B 2013 1977 1...

Страница 17: ...d HUM color coded leads During cooling operation if the humidity level is above the humidistat set point the indoor blower speed is reduced by approxi mately 15 Safety Controls The control circuit includes the following safety controls High Pressure Switch HPS The switch protects against excessive discharge pressures If system pressures exceed 650 psi the defrost control locks out compressor opera...

Страница 18: ...level so the level during the Post Run state is 82 HEATING SEQUENCE OF OPERATIONS This dual fuel package unit has two methods of heating Primary heat ing is accomplished by the heat pump section Secondary heating sup plemental heating and back up heating is accomplished by the gas heating section The gas heating section is also used to temper the indoor discharge air during heat pump defrost opera...

Страница 19: ...igure 9 DEFROST OPERATION The demand defrost control implements a temperature differential delta T demand defrost algorithm The heat pump is allowed to oper ate in the heating mode until the combination of outdoor ambient and outdoor coil temperatures indicate that defrosting is necessary When coil temperature is below the initiate point for the ambient temperature continuously for 4 1 2 minutes t...

Страница 20: ...at W1 and a 24 VAC signal is received on the high heat input W2 the control is staged up to full capacity heating operation When using the built in HI HEAT DELAY feature and the control has staged up to full capacity heating the unit remains in full capacity heating until the call for heat on the W1 input is terminated If using a two stage heating thermostat set the HI HEAT DELAY jumper to the OFF...

Страница 21: ...ng mode If flame is removed the control de energizes the gas valve within 2 sec onds and counts the flame loss If flame has been lost less than 5 times the control attempts re ignition after a 15 second inter purge period If flame has been lost more than 5 times within the same call for heat the control board locks out and flashes a sequence of 8 times on the LED Post Purge The control board runs ...

Страница 22: ...s valve from being ener gized 3 Flame Sensor The flame sensor is located on the left most burner If an ignition control fails to detect a signal from the flame sensor indicating the flame is properly ignited then the main gas valve closes 4 Rollout Switch RS This switch is located on the burner assembly In the event of a sustained main burner flame rollout the control closes the main gas valve Thi...

Страница 23: ...rn on all electric power to the unit 11 Set the thermostat to the desired setting 12 If the unit will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier To Turn Off Gas To Unit 1 Set the thermostat to the OFF position 2 Turn off all electric power to the appliance if service is to be per formed 3 Remove the control access panel 4 Turn ...

Страница 24: ... the high fire manifold pressure or the low fire manifold pressure 1 Refer to Figure 11 for location of pressure regulator adjustment cap and adjustment screws on main gas valve 2 Turn gas and electrical supplies on and follow the operating instructions to place the unit back in operation 3 Connect unit control wiring leads W1 W2 and R together so the equipment operates on HIGH fire Once correct m...

Страница 25: ... from the furnace must lie within the range shown on the rating plate and the data in Table 6 After the temperature rise has been determined the CFM can be calcu lated as follows Direct Drive Blower All units have direct drive enhanced ECM blower motors MANIFOLD PRESSURE U TUBE CONNECTION FIGURE 12 Reading Gas Pressure NOTICE The correct manifold pressure for natural gas furnaces is 3 5 IWG The co...

Страница 26: ...d the BTU input multiply the number of cubic feet of gas con sumed per hour by the BTU content of the gas in your particular locality Contact your gas company for this information since it varies widely from city to city Table 21 Gas Rate Cubic Feet Per Hour1 Seconds for9 One Rev Size of Test Dial 1 2 cu ft 1 cu ft 10 180 360 12 150 300 14 129 257 16 113 225 18 100 200 20 90 180 22 82 164 24 75 15...

Страница 27: ...OR IDENTIFICATION VERIFY PROPER OPERATION AFTER SERVICING 3 THE THERMOSTAT CONTROL CONNECTED TO THIS UNIT MUST BE DUAL FUEL CAPABLE NOTES FACTORY DSI CONTROL BOARD SETTINGS COMBUSTION BLWR POST PURGE 15 SEC INDOOR BLWR HEAT ON DELAY 30 SEC INDOOR BLWR COOL OFF DELAY 60 SEC INDOOR BLWR HEAT OFF DELAY FIELD SELECT 2 RED 3 RED 4 RED 5 RED 6 RED 7 RED 8 RED 9 RED 10 RED Demand Defrost Control Operatio...

Страница 28: ... NONE STEADY ON ANY COLOR RAPID AMBER 4 AMBER 1 RED 2 RED 3 RED 4 RED 5 RED 6 RED 7 RED 8 RED 9 RED 10 RED 11 RED 12 RED DSI Control Operation Fault Codes Power off or open fuse Control Failure Low Flame sense current No G call from thermostat with Y call Flame sensor with gas off Check pressure switch wiring Check pressure switch draft inducer wiring Airflow Problem Flame rollout Repeated pressur...

Страница 29: ...y Manifold sets must be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect HFC refrigerants Systems must be charged with liquid refrigerant Use a commercial type metering device in the manifold hose R 410A can only be used with POE type oils POE type oils rapidly absorb moisture ...

Страница 30: ...5322625 UIM A 0417 30 Johnson Controls Unitary Products NOTES ...

Страница 31: ...cle timer Measured voltage L1 to L2 L2 to L3 L1 to L3 Total amperes L1 L2 L3 Compressor amperes L1 L2 L3 Measured voltage R and C outdoor unit control board Electrical Connections Inspection Check all that apply Equipment Data Additional Kits Accessories Installed Check all that apply Blower Type Set Up Supply air dry bulb temperature A B C D A B C D Total external static pressure Supply static in...

Страница 32: ...easured BTU H Clock Gas Meter Nat Gas Supply Air Dry Bulb Temp Temp Rise Return Air Dry Bulb Temp Manifold Pressure at 100 Firing Rate w c Inlet Gas Pressure w c LP Gas Conversion Kit LP Conversion Kit Installed By Two Stage Single Stage Propane LP Requires LP Conversion Kit Natural Gas Burner Flame Inspection Blue flames extending directly into the primary heat exchanger cells Explain operation o...

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