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Carrier PY4G B Series, Руководство по установке

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Carrier PY4G B Series Скачать руководство пользователя страница 16

16

A150502

Fig. 14 -- 208/230--1--60 Connection Wiring Diagram

PY4G

Содержание PY4G B Series

Страница 1: ...nput 13 Adjust Gas Input 14 Check Burner Flame 15 Normal Operation 22 Airflow and Temperature Rise 22 Heating Sequence of Operation 22 Limit Switches 22 Rollout Switch 22 Start Up Cooling Make Adjustments 22 Checking Cooling Control Operation 22 Checking Adjusting Refrigerant Charge 23 Indoor Airflow and Airflow Adjustments 23 Cooling Sequence of Operation 24 A09183 Fig 1 Unit PY4G Low NOx Model A...

Страница 2: ...NG AND INSTALLATION Step 1 Check Equipment Identify Unit The unit model number and serial number are stamped on the unit information plate Check this information against shipping papers Inspect Shipment Inspect for shipping damage before removing packaging materials If unit appears to be damaged or is torn loose from its anchorage have it examined by transportation inspectors before removal Forwar...

Страница 3: ... unit if it has been under water Step 5 Rig and Place Unit Rigging and handling of this equipment can be hazardous for many reasons due to the installation location roofs elevated structures etc Only trained qualified crane operators and ground support staff should handle and install this equipment When working with this equipment observe precautions in the literature on tags stickers and labels a...

Страница 4: ...4 A190121 Fig 3 24 36 Unit Dimensions PY4G ...

Страница 5: ...5 A190122 Fig 4 42 60 Unit Dimensions PY4G ...

Страница 6: ... 30 6 778 46 1 1170 Large CPRFCURB013B00 14 356 14 356 43 9 1116 42 2 1072 Part Number 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 curb is made of 16 g...

Страница 7: ...p Rpm 2500 24 609 6 1 10 810 2500 24 609 6 1 10 810 2700 24 609 6 1 10 810 2700 24 609 6 1 10 810 3200 24 609 6 1 5 810 3200 24 609 6 1 5 810 3600 26 660 4 1 5 810 3600 26 660 4 1 5 810 INDOOR COIL Rows Fins in Face Area sq ft 3 17 3 7 3 17 3 7 3 17 3 7 3 17 3 7 3 17 3 7 3 17 3 7 3 17 4 7 3 17 4 7 INDOOR BLOWER Nominal Cooling Airflow Cfm Size in Size mm Motor HP RPM 800 800 1000 1000 1150 1150 13...

Страница 8: ...ns for correct filter sizes and quantity Table 2 Maximum Gas Flow Capacity NOMINAL IRON PIPE SIZE IN INTERNAL DIAMETER IN LENGTH OF PIPE FT m 10 3 20 6 30 9 40 12 50 15 60 18 70 21 80 24 90 27 100 30 125 38 150 46 175 53 200 61 1 2 622 175 120 97 82 73 66 61 57 53 50 44 40 3 4 824 360 250 200 170 151 138 125 118 110 103 93 84 77 72 1 1 049 680 465 375 320 285 260 240 220 205 195 175 160 145 135 1 ...

Страница 9: ...m of the gas supply connection to the gas valve When installing the gas supply line observe local codes pertaining to gas pipe installations Refer to the NFPA 54 ANSI Z223 1 latest edition in Canada CAN CGA B149 1 NOTE In the state of Massachusetts 1 Gas supply connections MUST be performed by a licensed plumber or gas fitter 2 When flexible connectors are used the maximum length shall not exceed ...

Страница 10: ...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...

Страница 11: ...ate 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...

Страница 12: ...ilure to follow this warning could result in personal injury or death 1 Follow recognized safety practices and wear protective goggles when checking or servicing refrigerant system 2 Do not operate compressor or provide any electric power to unit unless compressor plug is in place and secured 3 Do not remove compressor plug until all electrical sources are disconnected and tagged 4 Relieve and rec...

Страница 13: ...ny safety devices when operating the unit Make sure that burner orifices are properly aligned Unstable operation my occur when the burner orifices in the manifold are misaligned Follow the lighting instructions on the heating section operation label located on the inside of the control access panel to start the heating section NOTE Make sure that gas supply has been purged and that all gas piping ...

Страница 14: ... determined by measuring the gas flow at the meter or by measuring the manifold pressure Measuring the gas flow at the meter is recommended for natural gas units The manifold pressure must be measured to determine the input of propane gas units Measure Gas Flow Natural Gas Units Minor adjustment to the gas flow can be made by changing the manifold pressure The manifold pressure must be maintained ...

Страница 15: ...udes from 2001 to 4500 ft 611 to 1372 m above sea level must be derated by 10 by an authorized gas conversion station or dealer For Canadian Installations from 2000 to 4500 ft 610 1372 m use U S A column 2001 to 3000 ft 611 to 914 m Table 5 High Altitude Compensation Natural Gas Three Phase Nameplate Input Btu hr Rated Heating Input Btu hr Natural Gas at Installation Altitude Above Sea Level U S A...

Страница 16: ...16 A150502 Fig 14 208 230 1 60 Connection Wiring Diagram PY4G ...

Страница 17: ...17 A150510 Fig 14 Cont 208 230 1 60 Ladder Wiring Diagram PY4G ...

Страница 18: ...18 A150508 Fig 15 208 230 3 60 Connection Wiring Diagram PY4G ...

Страница 19: ...19 A150511 Fig 15 Cont 208 230 3 60 Ladder Wiring Diagram PY4G ...

Страница 20: ...20 A150509 Fig 16 460 3 60 Connection Wiring Diagram PY4G ...

Страница 21: ...21 A150512 Fig 16 Cont 460 3 60 Ladder Wiring Diagram PY4G ...

Страница 22: ...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 7 LED Indications STATUS CODE LED INDICATION Normal Operation2 On No Power or Hardware Failure Off Check fuse low voltage circuit 1 Flash Limit Switch Fault 2 Flashes Flame Sense Fault 3 Flashes Four Co...

Страница 23: ...id line temperature See Table 9 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 1 1 C lower than required liquid line temperature NOTE If the problem causing the inaccurate r...

Страница 24: ... LOW terminal on the interface fan board IFB See Fig 18 2 Determine correct normal cooling fan speed for unit and application Add the wet coil pressure drop in Table 14 to the system static to determine the correct cooling airflow speed in Table 11 or 12 that will deliver the nominal cooling airflow as listed in Table 1 for each size 3 Remove the vinyl cap off of the desired speed tap wire Refer t...

Страница 25: ...GC Board COM LOW HIGH GAS HEAT Q1 R1L C8 RL3 Q3 DCR QCR QC1 G1 G2 A7 D4 D6 C2 OILL R9 AB A15 C4 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 18 Interface Fan Board IFB PY4G ...

Страница 26: ...attempt to check charge or charge unit under these conditions using the superheat method Weigh in method should be used A150625 To properly check or adjust charge conditions must be favorable for subcooling charging Favorable conditions exist when the outdoor temperature is between 75_F to 115_F 24_C and 46_C and the indoor temperature is between 70_F and 80_F 21_C and 27_C Follow the procedure ab...

Страница 27: ...x BHP 0 09 0 10 0 10 0 11 x x x x x x Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low Pink Alternate Cooling Alternate Heating CFM 840 759 677 600 505 411 293 x x x BHP 0 14 0 15 0 16 0 16 0 17 0 17 0 18 x x x Gas Heat Rise o F 53 NA NA NA NA NA NA NA NA NA Gas Heat Rise o C 30 NA NA NA NA NA NA NA NA NA Medium 2 Red Cooling Alternate Heating...

Страница 28: ...54 338 x x x x x x BHP 0 09 0 10 0 10 0 11 x x x x x x Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low Pink Alternate Cooling Alternate Heating CFM 840 759 677 600 505 411 293 x x x BHP 0 14 0 15 0 16 0 16 0 17 0 17 0 18 x x x Gas Heat Rise o F 53 NA NA NA NA NA NA NA NA NA Gas Heat Rise o C 30 NA NA NA NA NA NA NA NA NA Medium 2 Red Cooling ...

Страница 29: ...8 0 08 0 09 0 09 0 10 0 10 0 11 x x x Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low Pink Alternate Cooling Alternate Heating CFM 1144 1105 1066 1026 984 941 895 850 806 763 BHP 0 28 0 28 0 29 0 30 0 31 0 31 0 32 0 33 0 34 0 34 Gas Heat Rise o F 58 61 63 65 NA NA NA NA NA NA Gas Heat Rise o C 32 34 35 36 NA NA NA NA NA NA Medium 2 Red Coolin...

Страница 30: ...77 717 650 575 527 466 419 BHP 0 13 0 13 0 14 0 14 0 15 0 16 0 17 0 18 0 19 0 20 Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1016 950 902 842 783 721 655 590 541 480 BHP 0 13 0 14 0 15 0 16 0 17 0 18 0 19 0 20 0 21 0 22 Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Medium 2 Red Co...

Страница 31: ...0 07 0 07 0 08 0 08 0 09 x x x x Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low Pink Alternate Cooling Alternate Heating CFM 1430 1386 1347 1302 1258 1208 1160 1114 1065 1014 BHP 0 26 0 27 0 28 0 29 0 30 0 30 0 32 0 33 0 34 0 35 Gas Heat Rise o F 60 NA NA NA NA NA NA NA NA NA Gas Heat Rise o C 34 NA NA NA NA NA NA NA NA NA Medium 2 Red Cooli...

Страница 32: ... 306 x BHP 0 09 0 10 0 10 0 11 0 12 0 12 0 13 0 14 0 14 x Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low 1 Pink Heating CFM 1403 1361 1320 1276 1236 1192 1145 1099 1054 1012 BHP 0 28 0 29 0 30 0 31 0 31 0 33 0 34 0 35 0 36 0 37 Gas Heat Rise o F 48 50 51 53 55 57 59 62 64 NA Gas Heat Rise o C 27 28 28 29 30 32 33 34 36 NA Medium 2 Red Coolin...

Страница 33: ... 360 2 305 8 x BHP 0 09 0 10 0 10 0 11 0 12 0 12 0 13 0 14 0 14 x Gas Heat Rise o F NA NA NA NA NA NA NA NA NA NA Gas Heat Rise o C NA NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1403 1361 1320 1276 1236 1192 1145 1099 1054 1012 BHP 0 28 0 29 0 30 0 31 0 31 0 33 0 34 0 35 0 36 0 37 Rise o F NA NA NA NA NA NA NA NA NA NA Rise o C NA NA NA NA NA NA NA NA NA NA Medium 2 Red Cooling Alternate Heating ...

Страница 34: ...6 39 42 45 Heating Rise o C 16 17 18 19 20 20 22 23 25 High Black CFM 1560 1491 1416 1337 1255 1233 1160 1082 998 Heating Rise o F 28 30 31 33 35 36 38 41 44 Heating Rise o C 16 16 17 18 19 20 21 23 24 36090 35 65 o F 19 36 o C Low Blue CFM 979 912 859 789 731 654 556 454 374 Heating Rise o F NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1136 1080 1015 957...

Страница 35: ... 44 47 50 Heating Rise o C 18 19 19 20 22 23 24 26 28 High Black CFM 1472 1401 1326 1251 1275 1198 1139 1085 1023 Heating Rise o F 29 31 33 35 34 36 38 40 42 Heating Rise o C 16 17 18 19 19 20 21 22 24 42090 35 65 o F 19 36 o C Low Blue CFM 952 882 806 746 671 605 530 551 486 Heating Rise o F NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1002 936 875 821 7...

Страница 36: ... 35 36 37 Heating Rise o C NA NA NA NA NA NA 20 20 21 High Black CFM 2344 2306 2259 2203 2141 2070 1991 1902 1803 Heating Rise o F NA NA NA NA NA NA NA 35 37 Heating Rise o C NA NA NA NA NA NA NA 20 21 48115 30 60 o F 17 33 o C Low Blue CFM 1402 1351 1311 1263 1224 1172 1136 1080 1041 Heating Rise o F NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1457 1404...

Страница 37: ... 50 51 53 Heating Rise o C 25 25 26 26 27 27 28 28 29 High Black CFM 2344 2306 2259 2203 2141 2070 1991 1902 1803 Heating Rise o F 41 41 42 43 44 46 48 50 53 Heating Rise o C 23 23 23 24 25 26 27 28 29 60090 35 65 o F 19 36 o C Low 1 Blue CFM 1445 1389 1341 1281 1236 1189 1139 1072 1027 Heating Rise o F 46 48 50 52 54 56 59 62 65 Heating Rise o C 26 27 28 29 30 31 33 35 36 Med Low Pink CFM 1678 16...

Страница 38: ...o F 19 36 o C Low Blue CFM 1445 1389 1341 1281 1236 1189 1139 1072 1027 Heating Rise o F NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA Med Low Pink CFM 1678 1635 1602 1558 1513 1474 1438 1404 1349 Heating Rise o F 57 58 59 61 63 65 NA NA NA Heating Rise o C 32 32 33 34 35 36 NA NA NA Medium 2 Red CFM 1962 1915 1880 1843 1794 1753 1711 1675 1628 Heating Rise o F 49 50 51 52...

Страница 39: ... 39 41 43 46 48 51 54 NA NA NA Heating Rise o C 22 23 24 26 27 28 30 NA NA NA Medium 2 Red CFM 1208 1144 1091 1025 964 902 886 830 746 663 WATTS 345 350 358 366 373 377 390 396 407 410 BHP 0 37 0 38 0 38 0 39 0 40 0 40 0 42 0 42 0 44 0 44 Heating Rise o F 36 38 40 43 46 49 50 53 NA NA Heating Rise o C 20 21 22 24 25 27 28 29 NA NA Med High Orange CFM 1495 1439 1376 1303 1221 1207 1137 1052 981 894...

Страница 40: ... 61 NA NA NA NA NA NA NA NA Heating Rise o C 32 34 NA NA NA NA NA NA NA NA Medium 2 Red CFM 1208 1144 1091 1025 964 902 886 830 746 663 WATTS 345 350 358 366 373 377 390 396 407 410 BHP 0 37 0 38 0 38 0 39 0 40 0 40 0 42 0 42 0 44 0 44 Heating Rise o F 54 58 60 64 NA NA NA NA NA NA Heating Rise o C 30 32 34 36 NA NA NA NA NA NA Med High 1 Orange CFM 1495 1439 1376 1303 1221 1207 1137 1052 981 894 ...

Страница 41: ... F 43 46 49 53 NA NA NA NA NA NA Heating Rise o C 24 26 27 29 NA NA NA NA NA NA Medium Red CFM 1255 1210 1145 1074 1008 940 878 895 838 785 WATTS 249 272 284 292 305 319 320 329 336 347 BHP 0 27 0 29 0 30 0 31 0 33 0 34 0 34 0 35 0 36 0 37 Heating Rise o F 35 36 38 40 43 46 49 48 52 55 Heating Rise o C 19 20 21 22 24 26 27 27 29 31 Med High 2 Orange CFM 1335 1267 1246 1176 1109 1049 988 926 872 89...

Страница 42: ... NA NA NA NA NA NA NA NA NA NA Heating Rise o C NA NA NA NA NA NA NA NA NA NA Medium 1 Red CFM 1255 1210 1145 1074 1008 940 878 895 838 785 WATTS 249 272 284 292 305 319 320 329 336 347 BHP 0 27 0 29 0 30 0 31 0 33 0 34 0 34 0 35 0 36 0 37 Heating Rise o F 53 55 58 62 NA NA NA NA NA NA Heating Rise o C 30 31 32 35 NA NA NA NA NA NA Med High 2 Orange CFM 1335 1267 1246 1176 1109 1049 988 926 872 89...

Страница 43: ...e o F 43 44 46 47 48 50 51 53 55 57 Heating Rise o C 24 25 25 26 27 28 29 30 30 32 Medium 2 Red CFM 1861 1822 1786 1758 1716 1688 1660 1619 1583 1539 WATTS 400 417 426 441 452 467 482 492 507 519 BHP 0 43 0 45 0 46 0 47 0 48 0 50 0 52 0 53 0 54 0 56 Heating Rise o F 36 37 37 38 39 40 40 41 42 43 Heating Rise o C 20 20 21 21 22 22 22 23 23 24 Med High Orange CFM 2319 2291 2255 2230 2193 2166 2118 2...

Страница 44: ...o F 55 56 58 59 NA NA NA NA NA NA Heating Rise o C 30 31 32 33 NA NA NA NA NA NA Medium 2 Red CFM 1861 1822 1786 1758 1716 1688 1660 1619 1583 1539 WATTS 400 417 426 441 452 467 482 492 507 519 BHP 0 43 0 45 0 46 0 47 0 48 0 50 0 52 0 53 0 54 0 56 Heating Rise o F 46 47 48 48 50 50 51 53 54 55 Heating Rise o C 25 26 26 27 28 28 29 29 30 31 Med High 1 Orange CFM 2319 2291 2255 2230 2193 2166 2118 2...

Страница 45: ...o F 61 63 65 NA NA NA NA NA NA NA Heating Rise o C 34 35 36 NA NA NA NA NA NA NA Medium 2 Red CFM 1861 1822 1786 1758 1716 1688 1660 1619 1583 1539 WATTS 400 417 426 441 452 467 482 492 507 519 BHP 0 43 0 45 0 46 0 47 0 48 0 50 0 52 0 53 0 54 0 56 Heating Rise o F 51 52 53 54 55 56 57 59 60 62 Heating Rise o C 28 29 30 30 31 31 32 33 33 34 Med High 1 Orange CFM 2319 2291 2255 2230 2193 2166 2118 2...

Страница 46: ...e o F 36 37 38 39 40 41 41 42 44 45 Heating Rise o C 20 21 21 22 22 23 23 24 24 25 Medium 2 Red CFM 1944 1913 1872 1838 1801 1771 1731 1698 1655 1613 WATTS 486 501 511 529 537 554 565 578 595 603 BHP 0 52 0 54 0 55 0 57 0 58 0 59 0 61 0 62 0 64 0 65 Heating Rise o F 34 35 36 36 37 38 39 39 40 41 Heating Rise o C 19 19 20 20 21 21 21 22 22 23 Med High Orange CFM 2178 2148 2105 2073 2036 2002 1967 1...

Страница 47: ...o F 46 47 48 49 50 52 53 54 56 58 Heating Rise o C 26 26 27 27 28 29 29 30 31 32 Medium 2 Red CFM 1944 1913 1872 1838 1801 1771 1731 1698 1655 1613 WATTS 486 501 511 529 537 554 565 578 595 603 BHP 0 52 0 54 0 55 0 57 0 58 0 59 0 61 0 62 0 64 0 65 Heating Rise o F 44 45 46 46 47 48 49 50 51 53 Heating Rise o C 24 25 25 26 26 27 27 28 29 29 Med High 1 Orange CFM 2178 2148 2105 2073 2036 2002 1967 1...

Страница 48: ... 57 0 58 0 59 0 61 0 62 0 64 0 65 Heating Rise o F 49 50 51 52 53 54 55 56 58 59 Heating Rise o C 27 28 28 29 29 30 31 31 32 33 Med High 1 Orange CFM 2178 2148 2105 2073 2036 2002 1967 1919 1845 1751 WATTS 674 691 703 717 733 743 758 754 734 701 BHP 0 72 0 74 0 75 0 77 0 79 0 80 0 81 0 81 0 79 0 75 Heating Rise o F 44 44 45 46 47 48 48 50 52 54 Heating Rise o C 24 25 25 26 26 26 27 28 29 30 High B...

Страница 49: ...0 600 1400 CFM 12x20x1 12x20x1 305x508x25 305x508x25 2 0 2 5 3 0 0 09 0 14 0 16 0 18 0 25 0 28 0 30 1200 1800 CFM 16x24x1 14x24x1 406x610x25 356x610x25 3 5 4 0 0 10 0 11 0 12 0 13 0 14 0 16 0 16 1500 2200 CFM 16x24x1 18x24x1 406x610x25 457x610x25 5 0 0 15 0 17 0 18 0 20 0 21 0 22 0 23 0 23 Table 16 Filter Pressure Drop Table IN W C FILTER SIZE IN MM COOLING TONS STANDARD CFM SCFM 600 700 800 900 1...

Страница 50: ... 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...

Страница 51: ... See Fig 20 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 19 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 19 8 Partially slide the burne...

Страница 52: ...Fig 23 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 20 to locate all the electrical controls and wiring Check all electrical connections for tightness Tighten all screw conn...

Страница 53: ...ice depending on size 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 refrigeration circuit These pressure switches are specifically designed to operate with R 410A systems R 22 pressure switches must not be used as replacements for the R 410A system Low Pressure Switch...

Страница 54: ... into the surrounding area It is also known as a high side design since high pressure gas surrounds the motor and compression chamber The majority of the shell will be hot to the touch The rotary compressor also utilizes an external built in accumulator to reduce the likelihood of refrigerant liquid from entering the compressor Servicing Systems on Roofs with Synthetic Materials POE polyolester co...

Страница 55: ...only compatible with POE synthetic 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 R 410A suction line filter driers in line longer than 72 hrs S Do not install a suction line filter drier in liquid line S POE synthetic oils absorb moisture rapidly Do not expose oil to atmosphere S POE synth...

Страница 56: ...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 ...

Страница 57: ...ng 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 ...

Страница 58: ... ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE 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 IN W C REFRIGERANT SUCTION PSIG SUCTION LINE TEMP REFRIGERANT DISCHARGE PSIG LIQUID TEMP VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS GAS HEAT TE...

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