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Carrier 30GT080-420 Installation, Start-up And Service Instructions Manual

  • 30GT080-420 Monitor
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  • Installation, Start-up And Service Instructions Manual
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Carrier 30GT080-420 Manual Online:

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Carrier 30GT080-420 User Manual
Carrier 30GT080-420 User Guide
Carrier 30GT080-420 Online Manual

Text of Carrier 30GT080-420 User Guide:

  • Carrier 30GT080-420, FUSE 1 DISPLAY BUTTON LEGEND DIP — Dual In-Line Package EPROM — Erasable, Programmable, Read-Only Memory EXV — Electronic Expansion Valve LED — Light-Emitting Diode LWT — Leaving Water (Fluid) Temperature TP — Test Pin Fig. 19 — Center of Flotronic™ Control System (080-110 and 230B-315B Shown) NOTES: 1. Refer to Controls and Troubleshooting literature for details. 2. Processor board is rotated 90 degrees counterclockwise from position shown when installed in unit. 3. Do not remove label covering EPROM. Removal caus

  • 30GT130-210, 230A-315A, and 330-420 Units — The field power wiring enters the unit through the left side of the cooler side power box. The control power enters the control box on the compressor side of the unit. NOTE: If optional non-fused disconnect is installed, power wiring must enter through center panel of unit (disconnect location). IMPORTANT: Do not obstruct t

  • Carrier 30GT080-420, Table 2B —Physical Data — 60 Hz, SI (cont) 30GT UNIT SIZE 390 420 SYSTEM MODULES A B Total A B Total APPROX OPERATING WEIGHT — kg C-AL 6081 5761 11 842 6081 6081 12 162 C-C 6772 6452 13 224 6772 6772 13 544 REFRIGERANT CHARGE — kg R-22 Ckt A Total/Over 86.4/18.2 80.9/13.6 —/— 86.4/18.2 86.4/18.2 —/— Ckt B Clear Glass 84.1/18.2 78.6/13.6 —/— 84.1/18.2 84.1/18.2 —/— COMPRESSORS, Type...r/s Reciprocating, Semi-Hermetic...29.2 06E* (Qty) Ckt A (Qty) Ckt B (3) 265, (1) 275 (1) 275, (

  • Carrier 30GT080-420, Table 4B — Unit Electrical Data, 30GT130-210 30GT UNIT SIZE VOLTAGE STANDARD CONDENSER FAN HIGH STATIC CONDENSER FAN Nameplate V-Hz (3 Phase) Supplied* MCA MOCP Rec Fuse Size ICF MCA MOCP Rec Fuse Size ICF Min Max XL PW XL PW XL PW XL PW 130 208/230-60 187 253 610.2 700 700 700 1111.1 835.1 701.8 800 800 800 1202.7 926.7 460-60 414 506 271.8† 300 300 300 534.1 397.0 303.8 350 350 350 567.0 429.0 575-60 518 633 245.9 300 300 300 350.5 318.5 263.9 300 300 300 368.5 336.5 380-60 342 418 331.1 400 400 400 612.8 460.8 366.1 400 400 400 647.8 495.8 230-50 207 253 559.1

  • Carrier 30GT080-420, Table 3A — Physical Data — 50 Hz, English 30GT UNIT SIZE 080 090 100 110 130 150 170 190 210 APPROX OPERATING WEIGHT — lb C-AL 6,720 7,135 8,710 8,840 10,511 10,676 11,443 12,906 13,545 C-C 7,445 7,860 9,660 9,790 11,783 11,948 12,715 14,425 15,064 REFRIGERANT CHARGE — lb R-22 Ckt A Total/Over Clear Glass 78/15 78/15 98/20 98/20 133/28 143/35 153/45 178/30 190/40 Ckt B 78/15 78/15 105/20 105/20 137/28 143/35 162/45 173/30 185/40 COMPRESSORS, Type...rpm Reciprocating, Semi-Hermetic...1450 06E* (Qty) Ckt A (1) 265, (1) 299 (1) 265, (1) 299 (1) 265, (1) 299 (2) 299 (1) 265, (2) 275 (3) 299 (2) 275, (1) 299 (3) 299 (2) 265, (2) 299 (Qty) Ckt B

  • Carrier 30GT080-420, Table 13 — Capacity Control Steps 30GT UNIT SIZE CONTROL STEPS LOADING SEQUENCE A LOADING SEQUENCE B % Displ. Compressors % Displ. Compressors 080,230B (60 Hz) A1†, B1† 1 22 A1* 29 B1* 2 52 A1*,B1* 52 A1*,B1* 3 67 A1*, B1 63 A1,B1* 4 78 A1,B1 78 A1,B1 5 89 A1*,A2,B1 89 A1*,A2,B1 6 100 A1,A2,B1 100 A1,A2,B1 080,230B (50 Hz) A1†, B1† 1 16 A1* 25 B1* 2 42 A1*,B1* 42 A1*,B1* 3 54 A1*,B1 50 A1,B1* 4 62 A1,B1 62 A1,B1 5 92 A1*,A2,B1 92 A1*,A2,B1 6 100 A1,A2,B1 100 A1,A2,B1 090,245B (60 Hz) A1†, B1† 1 18 A1* 18 B1* 2 35 A1*,B1* 35 A1*,B1* 3 44 A1*,B1 44 A1,B1* 4 53 A1,B1 53 A1,B1 5 65 A1*

  • Carrier 30GT080-420, Table 3A — Physical Data — 50 Hz, English (cont) 30GT UNIT SIZE 290 315 330 360 SYSTEM MODULES A B Total A B Total A B Total A B Total APPROX OPERATING WEIGHT — lb C-AL 12,906 8840 21,746 13,545 8840 22,385 11,443 11,443 22,886 12,906 11,443 24,349 C-C 14,425 9790 24,215 15,064 9790 24,854 12,715 12,715 25,430 14,425 12,715 38,140 REFRIGERANT CHARGE — lb R-22 Ckt A Total/Over 178/30 98/20 —/— 190/40 98/20 —/— 153/45 153/45 —/— 178/30 153/45 —/— Ckt B Clear Glass 178/30 105/20 —/— 185/40 105/20 —/— 162/45 162/45 —/— 178/30 16

  • NOTES: 1. Unit must have clearances for airflow (from solid sur- faces) as follows: Top — Do not restrict in any way Ends—5ft[1524 mm] Sides—6ft[1829 mm] 2. Mounting holes may be used to mount unit to con- crete pad. They are not recommended for spring iso- lator location. 3. If spring isolators are used, a perimeter support channel between the unit and the isolators is reco

  • Carrier 30GT080-420, Table 3A — Physical Data — 50 Hz, English (cont) 30GT UNIT SIZE 230 245 255 270 SYSTEM MODULES A B Total A B Total A B Total A B Total APPROX OPERATING WEIGHT — lb C-AL 10,676 6720 17,396 10,676 7135 17,811 10,676 8710 19,386 11,443 8710 20,153 C-C 11,948 7445 19,393 11,948 7860 19,808 11,948 9660 21,608 12,715 9660 22,375 REFRIGERANT CHARGE — lb R-22 Ckt A Total/Over 143/35 78/15 —/— 143/35 78/15 —/— 143/35 98/20 —/— 153/45 98/20 —/— Ckt B Clear Glass 143/35 78/15 —/— 143/35 78/15 —/— 143/35 105/20 �

  • Carrier 30GT080-420, Table 2B — Physical Data — 60 Hz, SI 30GT UNIT SIZE 080 090 100 110 130 150 170 190 210 APPROX OPERATING WEIGHT — kg C-AL 3013 3189 3914 3935 4566 4754 5133 5761 6081 C-C 3343 3518 4346 4368 5144 5342 5711 6452 6772 REFRIGERANT CHARGE — kg R-22 Ckt A Total/Over Clear Glass 35.4/6.8 35.4/6.8 44.5/9.1 44.5/9.1 60.5/12.7 65.0/15.9 69.5/20.5 80.9/13.6 86.4/18.2 Ckt B 35.4/6.8 35.4/6.8 47.7/9.1 47.7/9.1 62.3/12.7 65.0/15.9 73.6/20.5 78.6/13.6 84.1/18.2 COMPRESSORS, Type...r/s Reciprocating, Semi-Hermetic...29.2 06E* (Qty) Ckt A (1) 250, (1) 275 (1) 250, (1) 265 (1) 265, (1) 275 (1) 265, (

  • Carrier 30GT080-420, FIELD CONTROL POWER CONNECTIONS (See Fig. 16 and 17) — For 208/230-, 460- and 575-3-60 units: If the accessory transformer is not used, provide a 115-1-60 power source for the control circuit, through a field-supplied fused disconnect (per NEC). This conductor must be copper only. Control power enters the control box through a 7 ⁄ 8 -in. (22.2-mm) conduit connection located on the right side of the control section. For 30GT080-110 and 230B-315B units with 380-3-60 or 380/415-3-50 power: Control circuit voltage is taken from the lin

  • Carrier 30GT080-420, A. QUICK TEST STEPS 1 - 15: UNIT CONFIGURATION — Microprocessor in unit control system is programmed by 2 switch assemblies located on processor board (Fig. 19). Configuration header is factory set and cannot be changed in the field. The DIP switch assembly contains 8 microswitches that must be set in accordance with various options and accessories selected. As shipped from factory, all DIP switches except those controlling pull-down option (switch no. 3) and compressor unloaders (switch no. 7 on 30GT080-330, and 360B 50 Hz units) are in OFF position. Switch no. 8 is in OFF position for water units, and ON position for brine units. All DIP switches should be checked

  • Carrier 30GT080-420, Table 9 — DIP Switch Functions DIP SWITCH NO. SELECTED FUNCTION* 1 Type of Reset 2 Reset 3 Pull Down Limit 4 Not Used 5 Demand Limit 6 1 Unloader 7 2 Unloaders 8 Brine LEGEND DIP — Dual In-Line Package *Refer to Table 8, Quick Test steps 3. through 1.0. Table 10 — Potentiometer Locations POTENTIOMETER LOCATION P1 — Leaving Fluid Set Point Set Point Board (Standard) P3 — Reset Limit Set Point Accessory Board (Option) P4 — Demand Limit Set Point Accessory Board (Option) P5 — Reset Ratio Set Point Accessory Board (Option) P6 — Reset Temp Set Point Accessory Board (Option) START-UP AND OPERATION NOTE: Complete Start-Up Checklist at center o

  • Carrier 30GT080-420, NOTES: 1. Unit must have clearances for airflow (from solid sur- faces) as follows: Top — Do not restrict in any way Ends—5ft[1524 mm] Sides—6ft[1829 mm] 2. Mounting holes may be used to mount unit to con- crete pad. They are not recommended for spring iso- lator location. 3. If spring isolators are used, a perimeter support channel between the unit and the isolators is recommended. 4. Dimensions in [ ] are in millimeters. 5. Thru-the-door handles for non-fused disconnect op- tion on 380/415 v and 460 v units only. When unit has non-fused disconnect option, power-side door opens from right side, NOT left side as shown for standard units. Fig. 2

  • 50 Hz 30GT UNIT SIZE CONDENSER COIL lb ABCDEFGH 130 C-AL 928 1569 1160 834 1438 1375 1764 1444 C-C 1056 1696 1287 961 1628 1566 1954 1635 150,230A-255A C-AL 948 1591 1160 834 1438 1375 1829 1502 C-C 1075 1719 1287 961 1628 1566 2020 1692 170,270A,330A/B,360B C-AL 963 1744 1348 873 1527 1673 1849 1466 C-C 1090 1871 1475 1000 1718 1864 2040 1657 190,290A,360A,390B C-A

  • Carrier 30GT080-420, Cooler — The cooler is easily accessible from the cooler side of the unit. The refrigerant feed components are acces- sible from the control box end of the unit. COOLER REMOVAL — Cooler can be removed from the cooler side of the unit as follows: Open and tag all electrical disconnects before any work begins. Note that cooler is heavy and both fluid-side and refrigerant-side may be under pressure. 1. To ensure the refrigerant is in the condenser, follow this procedure: a. Open the circuit breakers and close the discharge val

  • Carrier 30GT080-420, UNITS WITH ELECTRONIC EXPANSION VALVE (EXV) — The EXV remains closed for 10 seconds to purge cooler and suction line of any liquid refrigerant that may have mi- grated to these areas during off period. After 10 seconds, EXV starts to open. As more cooling is required, control brings on additional stages of capacity. Loading sequence for com- pressors is shown in Table 13. Automatic lead-lag control is provided on all units. Lag compressor will shut down, and lead compressor will continue to run. After lag compressor has shut down, the EXV is signaled to close. Lead compressor remains on until EXV is less than 300 steps open, and the saturated

  • Carrier 30GT080-420, Table 6C — Compressor Electrical Data, 30GT230-420 (cont) 30GT UNIT SIZE NAMEPLATE V-Hz (3 Phase) MODULE B Compressor Numbers A1 A2 A3 A4 B1 B2 B3 RLA LRA RLA LRA RLA LRA RLA LRA RLA LRA RLA LRA RLA LRA 315-XL 208/230-60 89.7 446 147.4 690 ———— 89.7 446 106.4 506 —— 460-60 43.6 223 65.4 345 43.6 223 46.8 253 575-60 36.5 164 57.1 276 36.5 164 40.4 176 380-60 45.5 247 78.8 382 45.5 247 52.6 280 346-50 79.5 382 79.5 229 79.5 382 79.5 382 380/415-50 65.4 345 65.4 207 65.4 345 65.4 345 315-PW 208/230-60 89.7 268 147.4 414 ———— 89.7 268 106.4 304 —— 460-

  • Carrier 30GT080-420, LEGEND EXV — Electronic Expansion Valve T—Thermistor TXV — Thermostatic Expansion Valve Fig. 21 — Typical Thermistor Locations SIZE 080-110* SIZE 130-210* *And associated modular units (see Table 1). Fig. 22 — Thermistor T3 and T4 Locations 56

  • Carrier 30GT080-420, 3. Set meter for approximately 20 vdc. 4. Turn power on, but do not enter quick test mode. For the first 100 seconds, valve motor windings will be alter- nately energized to close valve in circuit 1. 5. During this time, connect negative test lead to terminals 9, 10, 11, and 12 in succession. Voltage should rise and fall at each pin. If it remains constant at a voltage or at 0 v, remove connector and recheck. If problem is still there, replace processor board. If it is no longer there, check EXV. 6. Turn power off and connect positive lead to terminal 1 on connector J7. 7. Turn power on

  • Carrier 30GT080-420, Table 5 — Control Circuit UNIT POWER SUPPLY (V-Ph-Hz) CONTROL POWER AMPS V-Ph-Hz Min Max 080-110 and 230B-315B Units 130-210,230A-315A, and 330A/B-420A/B Units With Cooler Heater Without Cooler Heater With Cooler Heater Without Cooler Heater 203/230-3-60 115-1-60 104 127 30 30 30 30 460-3-60 115-1-60 104 127 30 30 30 30 575-3-60 115-1-60 104 127 30 30 30 30 380-3-60 230-1-60 207 254 15 5 15 10 346-3-50 230-1-50 198 254 15 5 15 10 230-3-50** 230-1-50 198 254 — — 15 10 380/415-3-50 230-1-50 198 254 15 5 15 10 See legend and notes on page 33. Table 6A — Compressor Electrical Data, 30GT080-11

  • Carrier 30GT080-420, Table 3B — Physical Data — 50 Hz, SI (cont) 30GT UNIT SIZE 230 245 255 270 SYSTEM MODULES A B Total A B Total A B Total A B Total APPROX OPERATING WEIGHT — kg C-AL 4852 3055 7907 4852 3243 8095 4852 3960 8812 5201 3960 9 161 C-C 5430 3384 8814 5430 4390 9003 5430 4390 9820 5779 4390 10 169 REFRIGERANT CHARGE — kg R-22 Ckt A Total/Over 65.0/15.9 35.4/6.8 —/— 65.0/15.9 35.4/6.8 —/— 65.0/15.9 44.5/9.1 —/— 69.5/20.5 44.5/9.1 —/— Ckt B Clear Glass 65.0/15.9 35.4/6.8 —/— 65.0/15.9 35.4/6.8 —/— 65.0/15.9 47.7/9.1 —/— 73.6/

  • Carrier 30GT080-420, Table 2A — Physical Data — 60 Hz, English 30GT UNIT SIZE 080 090 100 110 130 150 170 190 210 APPROX OPERATING WEIGHT — lb C-AL 6630 7015 8610 8660 10,046 10,481 11,293 12,676 13,380 C-C 7355 7740 9560 9610 11,318 11,753 12,565 14,195 14,899 REFRIGERANT CHARGE — lb R-22 Ckt A Total/Over Clear Glass 78/15 78/15 98/20 98/20 133/28 143/35 153/45 178/30 190/40 Ckt B 78/15 78/15 105/20 105/20 137/28 144/35 162/45 173/30 185/40 COMPRESSORS, Type...rpm Reciprocating, Semi-Hermetic...1750 06E* (Qty) Ckt A (1) 250, (1) 275 (1) 250, (1) 265 (1) 265, (1) 275 (1) 26

  • Carrier 30GT080-420, Installation, Start-Up and Service Instructions SAFETY CONSIDERATIONS Installing, starting up, and servicing this equipment can be hazardous due to system pressures, electrical compo- nents, and equipment location. Only trained, qualified installers and service mechanics should install, start up, and service this equipment. Untrained personnel can perform basic maintenance func- tions, such as cleaning coils. All other operations should be performed by trained service personnel. When working on the equipment, observe precautions in the literature, and on tags, stickers,

  • Table 8 — Quick Test (cont) SECTION B. — Thermistor and Potentiometer Checkout QUICK TEST STEP NO. NORMAL DISPLAY STEP DESCRIPTION THERMISTOR OR POTENTIOMETER — Thermistor OK T1 — Cooler Leaving Fluid Thermistor — Thermistor Faulty — Thermistor OK T2 — Cooler Entering Fluid Thermistor — Thermistor Faulty — Thermistor OK T3 — Saturated Condensing Thermistor, C

  • Carrier 30GT080-420, Table 3A — Physical Data — 50 Hz, English (cont) 30GT UNIT SIZE 390 420 SYSTEM MODULES A B Total A B Total APPROX OPERATING WEIGHT — lb C-AL 13,545 12,906 26,451 13,545 13,545 27,090 C-C 15,064 14,425 29,489 15,064 15,064 30,128 REFRIGERANT CHARGE — lb R-22 Ckt A Total/Over 190/40 178/30 —/— 190/40 190/40 —/— Ckt B Clear Glass 185/40 173/30 —/— 185/40 185/40 —/— COMPRESSORS, Type...rpm Reciprocating, Semi-Hermetic...1450 06E* (Qty) Ckt A (2) 265, (2) 299 (3) 299 — (2) 265, (2) 299 (2) 265, (2) 299 — (Qty) Ckt B (3) 299 (3) 299 — (3) 299 (3) 299 — Oil Charge — Compressor/pt 265/19.0, 299/19.0 299

  • Table 3B — Physical Data — 50 Hz, SI 30GT UNIT SIZE 080 090 100 110 130 150 170 190 210 APPROX OPERATING WEIGHT — kg C-AL 3055 3243 3960 4018 4778 4852 5201 5866 6156 C-C 3384 3573 4390 4450 5335 5430 5779 6556 6847 REFRIGERANT CHARGE — kg R-22 Ckt A Total/Over Clear Glass 35.4/6.8 35.4/6.8 44.5/9.1 44.5/9.1 60.5/12.7 65.0/15.9 69.5/20.5 80.9/13.6 86.4/18.2 Ckt B

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