Bryant 577E-A Installation Instructions Manual Download Page 32 | Manualshive

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LOW

HIGH

GAS
HEAT

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A09058

Fig. 21 -- Interface Fan Board (IFB) 460 VAC Models

Table 12 – Subcooling Charging Chart

A12578

577E

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Summary of Contents for 577E-A

Page 1: ...6 69 Air Filter 66 Indoor Blower and Motor 66 A09033 Fig 1 Unit 577E Low NOx Model Available Induced Draft Combustion Air Blower 67 Flue Gas Passageways 67 Limit Switch 67 Burner Ignition 67 Main Burners 67 Removal of Gas Train 67 Outdoor Coil Indoor Coil Condensate Drain Pan 67 Outdoor Fan 68 Electrical Controls and Wiring 68 Refrigerant Circuit 69 Gas Input 69 Evaporator Airflow 69 Puron Items 6...

Page 2: ...a maximum oxides of nitrogen NOx emissions requirements of 40 nanograms joule or less as shipped from the factory and must be installed in California Air Quality Management Districts or any other regions in North America where a Low NOx rule exists NOTE Low NOx requirements apply only to natural gas installations RECEIVING AND INSTALLATION Step 1 Check Equipment Identify Unit The unit model number...

Page 3: ...g such as a normal house overhang is 48 in 1219 mm above the unit top The maximum horizontal extension of a partial overhang must not exceed 48 in 1219 mm Do not place the unit where water ice or snow from an overhang or roof will damage or flood the unit Do not install the unit on carpeting or other combustible materials Slab mounted units should be at least 2 in 51 mm above the highest expected ...

Page 4: ...terials are rated to hold the weight of the unit See Fig 7 3 Attach a clevis of sufficient strength in the middle of the straps Adjust the clevis location to ensure unit is lifted level with the ground After the unit is placed on the roof curb or mounting pad remove the top skid 577E ...

Page 5: ...5 A190127 Fig 3 577E Unit Dimensions 577E ...

Page 6: ...6 A190128 Fig 4 577E 36 60 Unit Dimensions 577E ...

Page 7: ...7 A150039 Fig 5 577E B36 60 Unit Dimensions 577E ...

Page 8: ...arge CPRFCURB013B00 14 356 14 356 14 356 16 406 47 8 1214 43 9 1116 2 7 69 42 2 1072 46 1 1170 Part Numbers CPRCURB011B00 can be used on both small and large basepan units The cross supports must be located based on whether the unit is a small basepan or a large basepan NOTES 1 Roof curb must be set up for unit being installed 2 Seal strip must be applied as required to unit being installed 3 Roof...

Page 9: ... VOIR DÉTAIL A BANDE SCELLANT DOIT ÊTRE EN PLACE AVANT DE PLACER L UNITÉ SUR LA BASE DE TOIT A09051 Standard Copper Tube Aluminum Fin SMALL CABINET LARGE CABINET Unit 24 30 Unit 36 42 48 60 lb kg lb kg lb kg lb kg lb kg lb kg Rigging Weight 352 160 359 163 Rigging Weight 455 206 455 206 500 227 520 236 NOTE See dimensional drawing for corner weights Optional Copper Tube Copper Fin SMALL CABINET LA...

Page 10: ...0 1050 1050 600 800 10x10 254x254 1 2 1050 600 800 10x10 254x254 1 2 1050 750 1000 10x10 254x254 1 2 1050 750 1000 10x10 254x254 1 2 1050 900 1200 11x10 279 4x254 3 4 1000 900 1200 11x10 279 4x254 3 4 1000 1050 1400 11x10 279 4x254 3 4 1075 1050 1400 11x10 279 4x254 3 4 1075 FURNACE SECTION Burner Orifice No Qty Drill Size Natural Gas Factory Installed Propane Gas 2 44 2 55 3 44 3 55 2 44 2 55 3 4...

Page 11: ...of condensate water through a 3 4 in NPT fitting which exits through the base on the evaporator coil access side See Fig 3 5 for location Condensate water can be drained directly onto the roof in rooftop installations where permitted or onto a gravel apron in ground level installations Install a field supplied 2 in 51 mm condensate trap at the end of condensate connection to ensure proper drainage...

Page 12: ...tect all segments of piping system against physical and thermal damage Support all piping with appropriate straps hangers etc Use a minimum of one hanger every 6 ft 1 8 m For pipe sizes larger than 1 2 in follow recommendations of national codes 3 Apply joint compound pipe dope sparingly and only to male threads of joint when making pipe connections Use only pipe dope that is resistant to action o...

Page 13: ...ult in property damage Collect ALL screws that were removed Do not leave screws on rooftop as permanent damage to the roof may occur CAUTION 3 For single phase models only on the discharge side only remove the insulation covering the downshot plastic knockout Insulation is held in place with aluminum tape Please note that large chassis units have 2 pieces of insula tion and only the piece over the...

Page 14: ...electrical service with a field supplied waterproof disconnect switch mounted at or within sight from the unit Refer to the unit rating plate NEC and local codes for maximum fuse circuit breaker size and minimum circuit amps ampacity for wire sizing The field supplied disconnect switch box may be mounted on the unit over the high voltage inlet hole when the standard power and low voltage entry poi...

Page 15: ...a particular installation Transformer Protection The transformer is of the energy limiting type however a direct short will likely blow a secondary fuse If an overload or short is present correct overload condition and check for blown fuse on Indoor Fan board or Integrated Gas Controller Replace fuse as required with correct size and rating PRE START UP ENVIRONMENTAL FIRE EXPLOSION ELECTRICAL SHOC...

Page 16: ...ak following accepted practices NOTE Install a filter drier whenever the system has been opened for repair 3 Add a small charge of Puron R 410A refrigerant vapor to system and leak test unit 4 Recover refrigerant from refrigerant system and evacuate to 500 microns if no additional leaks are found 5 Charge unit with Puron R 410A refrigerant using an accurate scale Refer to unit rating plate for req...

Page 17: ...l These inputs are based on natural gas with a heating value of 1025 Btu ft3 at 0 60 specific gravity or propane gas with a heating value of 2500 Btu ft3 at 1 5 specific gravity IN THE U S A The input rating for altitudes above 2 000 ft 610 m must be reduced by 4 for each 1 000 ft 305 m above see level For installations below 2 000 ft 610 m refer to the unit rating plate For installations above 2 ...

Page 18: ... 4 Table 5 Natural Gas Orifice Sizes and Manifold Pressure 460V Nameplate Input Btu hr ALTITUDE OF INSTALLATION FT ABOVE SEA LEVEL U S A 0 to 2000 0 610 m 2001 to 3000 611 to 914 m 3001 to 4000 915 to 1219 m 4001 to 5000 1220 to 1524 m 5001 to 6000 1524 to 1829 m 60000 Orifice No Qty 38 2 41 2 41 2 42 2 42 2 Manifold Press in W C 3 6 3 8 3 4 3 4 3 2 90000 Orifice No Qty 38 3 41 3 41 3 42 3 42 3 Ma...

Page 19: ...Fig 14 For 208 230 VAC models Fig 15 For 460 VAC models 2 For 208 230 VAC models only Turn the high stage plastic adjustment screw clockwise to increase gas input and coun terclockwise to decrease input see Fig 14 For 460 VAC models only Turn the plastic adjustment screw clockwise to increase gas input and counterclockwise to decrease input see Fig 15 Manifold pressure must be between 3 2 and 3 8 ...

Page 20: ...vel In Canada from 2000 ft 610 m above sea level to 4500 ft 1372 m above sea level derate the unit 10 percent Table 7 Heating Inputs 460 VAC Models HEATING INPUT HIGH STAGE BTUH NUMBER GAS SUPPLY PRESSURE IN W C MANIFOLD PRESSURE IN W C NUMBER OF ORIFICES Natural Propane HIGH STAGE LOW STAGE ORIFICES Min Max Min Max Natural Propane Natural Propane 40 000 2 4 0 13 0 11 0 13 0 3 2 3 8 10 0 60 000 3 ...

Page 21: ...21 A14593 Fig 16 208 230 1 60 Connection Wiring Diagram 577E ...

Page 22: ...22 A14594 Fig 17 Cont 208 230 1 60 Ladder Wiring Diagram 577E ...

Page 23: ...23 A14615 Fig 17 208 230 3 60 Connection Wiring Diagram Gas Inputs 40 60 90 KBtu hr 577E ...

Page 24: ...24 A14616 Fig 18 Cont 208 230 3 60 Ladder Wiring Diagram Gas Inputs 40 60 90 KBtu hr 577E ...

Page 25: ...25 A14618 Fig 18 208 230 3 60 Connection Wiring Diagram Gas Inputs 115 130 577E ...

Page 26: ...26 A14617 Fig 19 Cont 208 230 3 60 Ladder Wiring Diagram Gas Inputs 115 130 577E ...

Page 27: ...27 A13026 Fig 19 460 3 60 Connection Wiring Diagram 577E ...

Page 28: ...28 A13027 Fig 20 Cont 460 3 60 Ladder Wiring Diagram 577E ...

Page 29: ...it instantly closes the gas valve and stops gas flow to the burners The blower motor continues to run until LS resets When the air temperature at the limit switch drops to the low temperature setting of the limit switch the switch closes and completes the control circuit The direct spark ignition system cycles and the unit returns to normal heating operation Table 8 LED Indications STATUS CODE LED...

Page 30: ...rature F C db with the discharge line pressure psig to determine desired system operating liquid line temperature See Table 12 6 Compare actual liquid line temperature with desired liquid line temperature Using a tolerance of 2 F 1 1 C add refrigerant if actual temperature is more than 2 F 1 1 C higher than proper liquid line temperature or remove refrigerant if actual temperature is more than 2 F...

Page 31: ...ac models connect the chosen fan speed wire to LOW connection on the IFB see Fig 21 High Stage Cooling All models Using Tables 16 17 and 18 find the external static pressure drops for wet coil economizer and filter and add them to dry coil measured on the system Using this total static pressure use Table 13 or 14 208 230 VAC models and Table 15 460 VAC models to find the airflows available at the ...

Page 32: ...C9 C0 R4 RL4 C7 R2 R3 R5 R6 QCB Y Y R U C 24VAC JW1 P2 P1 W2 Y2 Y1 Y DH G C R SSTZ 8 P3 SDL 24VAC R CDM C F1 QC6 QC7 QC4 QC3 K2 K1 D2 RI0 RI2 JM6 RI DL JM5 U1 C3 D3 D5 JW3 JW2 JW4 JW7 3 AMP C A09058 Fig 21 Interface Fan Board IFB 460 VAC Models Table 12 Subcooling Charging Chart A12578 577E ...

Page 33: ... o C 26 15 28 16 31 17 35 19 39 22 46 25 NA NA NA NA High Stage Heat Rise o F o C 40 22 43 24 48 26 53 30 NA NA NA NA NA NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 921 829 754 663 582 485 371 BHP 0 14 0 14 0 15 0 16 0 17 0 17 0 18 Low Stage Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA High Stage Heat Rise o F o C 33 18 36 20 40 22 45 25 51 29 NA NA NA NA NA Hig...

Page 34: ... C 32 18 36 20 39 22 44 25 51 28 NA NA NA NA NA High Stage Heat Rise o F o C 49 27 55 30 NA NA NA NA NA NA NA NA Med High 4 Orange High Stage Gas Heating Alternate High Stage Cooling CFM 1229 1171 1105 1049 980 913 838 775 679 516 BHP 0 28 0 30 0 30 0 31 0 32 0 33 0 33 0 34 0 34 0 33 Low Stage Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA High Stage Heat Rise o F o C 37 20 39 21 41 23 43 24 46 2...

Page 35: ... Low Stage Heat Rise o F o C NA 26 14 29 16 33 19 42 23 NA NA NA NA NA High Stage Heat Rise o F o C 36 20 39 22 45 25 51 28 NA NA NA NA NA NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1139 1069 1012 937 870 786 724 626 512 381 BHP 0 22 0 23 0 24 0 24 0 25 0 26 0 26 0 27 0 27 0 28 Low Stage Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA High Stage Heat Rise o F o C ...

Page 36: ...e Heat Rise o F o C 26 14 28 15 29 16 31 17 34 19 37 21 41 23 47 26 NA NA High Stage Heat Rise o F o C 40 22 42 23 45 25 48 27 52 29 NA NA NA NA NA Med High 4 Orange High Stage Gas Heating Alternate High Stage Cooling CFM 1229 1171 1105 1049 980 913 838 775 679 516 BHP 0 28 0 30 0 30 0 31 0 32 0 33 0 33 0 34 0 34 0 33 Low Stage Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA High Stage Heat Rise o...

Page 37: ...4 0 25 Low Stage Heat Rise o F o C NA 25 14 27 15 28 15 29 16 31 17 32 18 34 19 36 20 38 21 High Stage Heat Rise o F o C 37 21 39 21 41 23 42 24 45 25 47 26 49 27 51 29 55 31 NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1251 1198 1149 1104 1066 1017 970 932 892 839 BHP 0 19 0 21 0 21 0 23 0 24 0 25 0 26 0 27 0 28 0 29 Low Stage Heat Rise o F o C NA NA NA NA NA NA NA...

Page 38: ... 0 21 0 23 0 24 0 25 0 26 0 27 0 28 0 29 Low Stage Heat Rise o F o C 35 20 37 21 39 21 40 22 42 23 44 24 46 25 48 26 50 28 53 29 High Stage Heat Rise o F o C 54 30 57 31 59 33 61 34 64 35 NA NA NA NA NA Med High 4 Orange High Stage Gas Heating Alternate High Stage Cooling CFM 1359 1311 1267 1224 1187 1140 1095 1058 1019 973 BHP 0 25 0 26 0 27 0 28 0 29 0 31 0 31 0 33 0 34 0 35 Low Stage Heat Rise ...

Page 39: ... 22 0 23 0 24 0 25 Low Stage Heat Rise o F o C NA 25 14 27 15 28 15 29 16 31 17 32 18 34 19 36 20 38 21 High Stage Heat Rise o F o C 37 21 39 21 41 23 42 24 45 25 47 26 49 27 51 29 55 31 NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1451 1415 1372 1327 1287 1249 1212 1168 1130 1094 BHP 0 29 0 30 0 31 0 32 0 33 0 35 0 36 0 37 0 38 0 39 Low Stage Heat Rise o F o C NA N...

Page 40: ...6 0 27 0 28 0 29 0 31 0 31 0 33 0 34 0 35 Low Stage Heat Rise o F o C NA NA 35 19 36 20 37 21 39 22 41 23 42 23 44 24 46 25 High Stage Heat Rise o F o C 50 28 52 29 54 30 55 31 57 32 60 33 62 34 64 36 NA NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1451 1415 1372 1327 1287 1249 1212 1168 1130 1094 BHP 0 29 0 30 0 31 0 32 248 59 0 35 0 36 0 37 0 38 0 39 Low Stage Hea...

Page 41: ...052 1022 BHP 0 32 0 33 0 34 0 35 0 36 0 37 0 39 0 39 0 40 0 42 Low Stage Heat Rise o F o C NA NA NA 35 20 36 20 37 21 39 21 40 22 42 23 43 24 High Stage Heat Rise o F o C 49 27 51 28 52 29 54 30 55 31 57 32 59 33 62 34 64 36 NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1686 1650 1617 1576 1544 1503 1468 1433 1393 1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53...

Page 42: ...8 1433 1393 1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 34 19 34 19 35 19 36 20 37 20 38 21 39 21 40 22 41 23 42 23 High Stage Heat Rise o F o C 51 29 52 29 54 30 55 31 56 31 58 32 59 33 60 34 NA NA Med High 4 Orange High Stage Gas Heating Alternate High Stage Cooling CFM 1854 1837 1781 1784 1720 1698 1655 1625 1578 1532 BHP 0 56 0 57 0 60 0 59 0 62 0 63 ...

Page 43: ... 1433 1393 1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 38 21 39 21 39 22 40 22 41 23 42 24 43 24 44 25 46 25 47 26 High Stage Heat Rise o F o C 57 32 58 32 59 33 61 34 62 34 64 35 65 36 NA NA NA Med High 4 Orange High Stage Gas Heating Alternate High Stage Cooling CFM 1854 1837 1781 1784 1720 1698 1655 1625 1578 1532 BHP 0 56 0 57 0 60 0 59 0 62 0 63 0 64...

Page 44: ...32 0 33 0 34 0 35 0 36 0 37 0 39 0 39 0 40 0 42 Low Stage Heat Rise o F o C NA NA NA 35 20 36 20 37 21 39 21 40 22 42 23 43 24 High Stage Heat Rise o F o C 49 27 51 28 52 29 54 30 55 31 57 32 59 33 62 34 64 36 NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1878 1844 1805 1762 1731 1693 1655 1616 1570 1532 BHP 0 50 0 52 0 53 0 54 0 56 0 57 0 59 0 60 0 64 0 63 Low Stage...

Page 45: ...56 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 34 19 34 19 35 19 36 20 37 20 38 21 39 21 40 22 41 23 42 23 High Stage Heat Rise o F o C 51 29 52 29 54 30 55 31 56 31 58 32 59 33 60 34 NA NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1878 1844 1805 1762 1731 1693 1655 1616 1570 1532 BHP 0 50 0 52 0 53 0 54 0 56 0 57 0 59 0 60 0 64...

Page 46: ... BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 38 21 39 21 39 22 40 22 41 23 42 24 43 24 44 25 46 25 47 26 High Stage Heat Rise o F o C 57 32 58 32 59 33 61 34 62 34 64 35 65 36 NA NA NA Med High 2 Orange High Stage Cooling Alternate High Stage Gas Heating CFM 1878 1844 1805 1762 1731 1693 1655 1616 1570 1532 BHP 0 50 0 52 0 53 0 54 0 56 0 57 0 59 0 60 0 64 0 63...

Page 47: ...3 49 27 NA NA NA NA NA NA NA NA Medium 4 Red CFM 877 779 698 598 519 410 BHP 0 12 0 12 0 13 0 14 0 15 0 15 Low Stage Heat Rise o F o C 21 12 24 13 27 15 31 17 36 20 NA NA NA NA NA High Stage Heat Rise o F o C 33 18 37 21 42 23 49 27 NA NA NA NA NA NA Med High 2 Orange CFM 921 829 754 663 582 485 371 BHP 0 14 0 14 0 15 0 16 0 17 0 17 0 18 Low Stage Heat Rise o F o C 20 11 23 13 25 14 28 16 32 18 39...

Page 48: ... NA NA NA NA NA NA NA NA Medium 2 Red CFM 921 829 754 663 582 485 371 BHP 0 14 0 14 0 15 0 16 0 17 0 17 0 18 Low Stage Heat Rise o F o C 31 17 34 19 38 21 43 24 49 27 NA NA NA NA NA High Stage Heat Rise o F o C 48 27 54 30 NA NA NA NA NA NA NA NA Med High 4 Orange CFM 1229 1171 1105 1049 980 913 838 775 679 516 BHP 0 28 0 30 0 30 0 31 0 32 0 33 0 33 0 34 0 34 0 33 Low Stage Heat Rise o F o C NA NA...

Page 49: ...1 43 24 50 28 NA NA NA NA NA NA Medium 4 Red CFM 877 779 698 598 519 410 BHP 0 12 0 12 0 13 0 14 0 15 0 15 Low Stage Heat Rise o F o C 21 12 24 13 27 15 31 17 36 20 NA NA NA NA NA High Stage Heat Rise o F o C 33 18 37 21 42 23 49 27 NA NA NA NA NA NA Med High 2 Orange CFM 1139 1069 1012 937 870 786 724 626 512 381 BHP 0 22 0 23 0 24 0 24 0 25 0 26 0 26 0 27 0 27 0 28 Low Stage Heat Rise o F o C 17...

Page 50: ...NA NA NA NA NA NA Medium 2 Red CFM 1139 1069 1012 937 870 786 724 626 512 381 BHP 0 22 0 23 0 24 0 24 0 25 0 26 0 26 0 27 0 27 0 28 Low Stage Heat Rise o F o C 25 14 27 15 28 16 30 17 33 18 36 20 39 22 46 26 NA NA High Stage Heat Rise o F o C 39 22 42 23 44 24 47 26 51 28 NA NA NA NA NA Med High 4 Orange CFM 1229 1171 1105 1049 980 913 838 775 679 516 BHP 0 28 0 30 0 30 0 31 0 32 0 33 0 33 0 34 0 ...

Page 51: ... 26 52 29 55 31 NA NA NA NA NA NA NA Medium 4 Red CFM 1213 1169 1110 1065 1016 964 923 878 820 777 BHP 0 16 0 17 0 17 0 19 0 20 0 21 0 22 0 23 0 24 0 25 Low Stage Heat Rise o F o C NA NA 26 14 27 15 28 16 30 16 31 17 33 18 35 19 37 20 High Stage Heat Rise o F o C 37 20 38 21 40 22 42 23 44 24 46 26 48 27 51 28 54 30 NA Med High 2 Orange CFM 1251 1198 1149 1104 1066 1017 970 932 892 839 BHP 0 19 0 ...

Page 52: ... Stage Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA Medium 2 Red CFM 1251 1198 1149 1104 1066 1017 970 932 892 839 BHP 0 19 0 21 0 21 0 23 0 24 0 25 0 26 0 27 0 28 0 29 Low Stage Heat Rise o F o C NA 36 20 37 21 39 22 40 22 42 23 44 25 46 26 48 27 51 28 High Stage Heat Rise o F o C 54 30 56 31 59 33 61 34 63 35 NA NA NA NA NA Med High 4 Orange CFM 1451 1415 1372 1327 1287 1249 1212 1168 1130 10...

Page 53: ... F o C 41 23 43 24 46 25 48 27 51 28 54 30 NA NA NA NA Medium 4 Red CFM 1213 1169 1110 1065 1016 964 923 878 820 777 BHP 0 16 0 17 0 17 0 19 0 20 0 21 0 22 0 23 0 24 0 25 Low Stage Heat Rise o F o C NA NA 26 14 27 15 28 16 30 16 31 17 33 18 35 19 37 20 High Stage Heat Rise o F o C 37 20 38 21 40 22 42 23 44 24 46 26 48 27 51 28 54 30 NA Med High 2 Orange CFM 1451 1415 1372 1327 1287 1249 1212 1168...

Page 54: ...4 36 NA High Stage Heat Rise o F o C 63 35 NA NA NA NA NA NA NA NA NA Medium Red CFM 1251 1198 1149 1104 1066 1017 970 932 892 839 BHP 0 19 0 21 0 21 0 23 0 24 0 25 0 26 0 27 0 28 0 29 Low Stage Heat Rise o F o C NA 36 20 37 21 39 22 40 22 42 23 44 25 46 26 48 27 51 28 High Stage Heat Rise o F o C 54 30 56 31 59 33 61 34 63 35 NA NA NA NA NA Med High 2 Orange CFM 1451 1415 1372 1327 1287 1249 1212...

Page 55: ... Stage Heat Rise o F o C 53 29 55 30 57 32 60 33 63 35 NA NA NA NA NA Medium 4 Red CFM 1340 1299 1240 1191 1139 1091 1050 1001 952 895 BHP 0 22 0 23 0 24 0 25 0 26 0 28 0 29 0 30 0 31 0 32 Low Stage Heat Rise o F o C NA NA 35 19 36 20 38 21 39 22 41 23 43 24 45 25 48 27 High Stage Heat Rise o F o C 50 28 52 29 54 30 57 31 59 33 62 34 64 36 NA NA NA Med High 2 Orange CFM 1686 1650 1617 1576 1544 15...

Page 56: ...e Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA Medium 2 Red CFM 1686 1650 1617 1576 1544 1503 1468 1433 1393 1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 33 18 34 19 35 19 35 20 36 20 37 21 38 21 39 22 40 22 41 23 High Stage Heat Rise o F o C 52 29 53 29 54 30 55 31 56 31 58 32 59 33 NA NA NA Med High Orange CFM 1854 1837 1781 1784 1720 1698 1655 1625 1...

Page 57: ...ge Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA Medium 2 Red CFM 1686 1650 1617 1576 1544 1503 1468 1433 1393 1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 37 21 38 21 39 22 40 22 41 23 42 23 43 24 44 24 45 25 46 26 High Stage Heat Rise o F o C 57 32 58 32 59 33 61 34 62 35 64 35 65 3 6 NA NA NA Med High Orange CFM 1854 1837 1781 1784 1720 1698 1655 1625...

Page 58: ... High Stage Heat Rise o F o C 53 29 55 30 57 32 60 33 63 35 NA NA NA NA NA Medium 4 Red CFM 1340 1299 1240 1191 1139 1091 1050 1001 952 895 BHP 0 22 0 23 0 24 0 25 0 26 0 28 0 29 0 30 0 31 0 32 Low Stage Heat Rise o F o C NA NA 35 19 36 20 38 21 39 22 41 23 43 24 45 25 48 27 High Stage Heat Rise o F o C 50 28 52 29 54 30 57 31 59 33 62 34 64 36 NA NA NA Med High 2 Orange CFM 1878 1844 1805 1762 17...

Page 59: ...e Heat Rise o F o C NA NA NA NA NA NA NA NA NA NA Medium Red CFM 1686 1650 1617 1576 1544 1503 1468 1433 1393 1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Low Stage Heat Rise o F o C 33 18 34 19 35 19 35 20 36 20 37 21 38 21 39 22 40 22 41 23 High Stage Heat Rise o F o C 52 29 53 29 54 30 55 31 56 31 58 32 59 33 NA NA NA Med High 2 Orange CFM 1878 1844 1805 1762 1731 1693 1655 1616 1...

Page 60: ...53 0 55 Low Stage Heat Rise o F o C 37 21 38 21 39 22 40 22 41 23 42 23 43 24 44 24 45 25 46 26 High Stage Heat Rise o F o C 57 32 58 32 59 33 61 34 62 35 64 35 65 36 NA NA NA Med High 2 Orange CFM 1878 1844 1805 1762 1731 1693 1655 1616 1570 1532 BHP 0 50 0 52 0 53 0 54 0 56 0 57 0 59 0 60 0 64 0 63 Low Stage Heat Rise o F o C NA NA 35 19 36 20 36 20 37 21 38 21 39 22 40 22 41 23 High Stage Heat ...

Page 61: ...1076 1026 972 918 872 827 771 714 666 611 Heat Rise o F o C 63 35 NA NA NA NA NA NA NA NA NA Medium Red CFM 1213 1169 1110 1065 1016 964 923 878 820 777 Heat Rise o F o C 56 31 58 32 61 34 64 35 NA NA NA NA NA NA Med High 2 Orange CFM 1251 1198 1149 1104 1066 1017 970 932 892 839 Heat Rise o F o C 54 30 57 32 59 33 62 34 64 35 NA NA NA NA NA High 3 Black CFM 1451 1415 1372 1327 1287 1249 1212 1168...

Page 62: ...Low 3 Pink CFM 1445 1389 1341 1281 1236 1189 1139 1072 1027 Heat Rise o F o C 47 26 49 27 51 28 53 29 55 31 57 32 60 33 63 35 NA Medium 2 Red CFM 1686 1650 1617 1576 1544 1503 1468 1433 1393 1356 Heat Rise o F o C 40 22 41 23 42 23 43 24 44 24 45 25 46 26 47 26 49 27 50 28 Med High Orange CFM 1854 1837 1781 1784 1720 1698 1655 1625 1578 1532 Heat Rise o F o C 37 20 37 21 38 21 38 21 40 22 40 22 41...

Page 63: ...ink CFM 1445 1389 1341 1281 1236 1189 1139 1072 1027 Heat Rise o F o C 47 26 49 27 51 28 53 29 55 31 57 32 60 33 63 35 NA Medium 2 Red CFM 1878 1844 1805 1762 1731 1693 1655 1616 1570 1532 Heat Rise o F o C 36 20 37 20 38 21 39 21 39 22 40 22 41 23 42 23 43 24 44 25 Med High Orange CFM 2020 1990 1956 1912 1872 1842 1802 1760 1719 1643 Heat Rise o F o C NA NA 35 19 36 20 36 20 37 21 38 21 39 21 40 ...

Page 64: ...A NA NA NA Medium 2 Red CFM 1878 1844 1805 1762 1731 1693 1655 1616 1570 1532 Heat Rise o F o C 51 28 52 29 53 30 55 30 56 31 57 32 58 32 60 33 61 34 63 35 Med High Orange CFM 2020 1990 1956 1912 1872 1842 1802 1760 1719 1643 Heat Rise o F o C 48 26 48 27 49 27 50 28 51 29 52 29 53 30 55 30 56 31 59 33 High 3 Black CFM 2131 2088 2065 2013 1982 1941 1888 1860 1785 Heat Rise o F o C 45 25 46 26 47 2...

Page 65: ...0 600 1400 CFM 12x20x1 12x20x1 305x508x25 305x508x25 2 0 2 5 0 09 0 14 0 16 0 18 0 25 0 28 0 30 1200 1800 CFM 16x24x1 14x24x1 406x610x25 356x610x25 3 0 3 5 0 10 0 11 0 12 0 13 0 14 0 16 0 16 1500 2200 CFM 16x24x1 18x24x1 406x610x25 457x610x25 4 0 5 0 0 15 0 17 0 18 0 20 0 21 0 22 0 23 0 23 Table 18 Filter Pressure Drop Table IN W C FILTER SIZE IN MM COOLING TONS STANDARD CFM SCFM 600 700 800 900 1...

Page 66: ... electric wires are not in contact with refrigerant tubing or sharp metal edges 6 Check and inspect heating section before each heating season Clean and adjust when necessary 7 Check flue hood and remove any obstructions if necessary Air Filter IMPORTANT Never operate the unit without a suitable air filter in the return air duct system Always replace the filter with the same dimensional size and t...

Page 67: ...nel See Fig 23 4 Disconnect gas piping at unit gas valve 5 Remove fan partition mounting bracket 2 screws located on the left side of control compartment on the fan partition panel Slide bracket forward bottom first to remove See Fig 22 6 Remove wires connected to gas valve Mark each wire 7 Remove the mounting screw that attaches the burner rack to the unit base See Fig 22 8 Partially slide the bu...

Page 68: ...Fig 26 6 Ensure that setscrew engages the flat area on the motor shaft when tightening 7 Replace grille Electrical Controls and Wiring Inspect and check the electrical controls and wiring annually Be sure to turn off the electrical power to the unit Remove access panels see Fig 23 to locate all the electrical controls and wiring Check all electrical connections for tightness Tighten all screw conn...

Page 69: ...on Items Metering Device Thermostatic Expansion Valve This metering device is a hard shutoff balance port TXV The TXV maintains a constant superheat at the evaporator exit resulting in higher overall system efficiency Pressure Switches Pressure switches are protective devices wired into control circuit low voltage They shut off compressor if abnormally high or low pressures are present in the refr...

Page 70: ...5 times as much water as other oils designed for HCFC and CFC refrigerants Take all necessary precautions to avoid exposure of the oil to the atmosphere Servicing Systems on Roofs with Synthetic Materials POE polyolester compressor lubricants are known to cause long term damage to some synthetic roofing materials Exposure even if immediately cleaned up may cause embrittlement leading to cracking t...

Page 71: ...E oils S Vacuum pumps will not remove moisture from oil S Do not use liquid line filter driers with rated working pressures less than 600 psig S Do not leave Puron suction line filter driers in line longer than 72 hrs S Do not install a suction line filter drier in liquid line S POE oils absorb moisture rapidly Do not expose oil to atmosphere S POE oils may cause damage to certain plastics and roo...

Page 72: ...shown on rating plate Defective compressor Replace and determine cause Insufficient line voltage Determine cause and correct Blocked outdoor coil Determine cause and correct Defective run start capacitor Determine cause and replace Faulty outdoor fan motor or capacitor Replace Restriction in refrigerant system Locate restriction and remove Compressor operates continuously Dirty air filter Replace ...

Page 73: ...ing Limit switch faults LED 2 flashes High temperature limit switch is open Check the operation of the indoor evaporator fan motor Ensure that the supply air temperature rise is in accordance with the range on the unit nameplate Clean or replace filters Flame sense fault LED 3 flashes The IGC sensed flame that should not be present Reset unit If problem persists replace control board 4 consecutive...

Page 74: ...RATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB GAS HEAT SUPPLY AIR PRESSURES GAS INLET PRESSURE IN W C GAS MANIFOLD PRESSURE HIGH STAGE IN W C GAS MANIFOLD PRESSURE LOW STAGE 208 230 VAC MODELS IN W C REFRIGERANT SUCTION PSIG SUCTION LINE TEMP REFRIGERANT DISCHARGE PSIG LIQUID TEMP VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS HIGH STAGE GAS HEAT TEMPERATURE RISE RANGE See Liter...

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