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Anleitung Carrier, modell 38AK007

Hersteller: Carrier
Dateigröße: 467.2 kb
Dateiname: 38a-7si.pdf
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Anleitung Zusammenfassung


9,10 Preliminary Checks ..........................9 Evacuate and Dehydrate ......................9 Refrigerant Charge ...........................9 Compressor Overload ........................9 Cycle-LOC™ Device ..........................9 Low-Pressure/Loss-of-Charge Switch (LPS) ...9 High-Pressure Switch (HPS) .................10 Time Guard. II Device .......................10 Refrigerant Service Ports ...................10 Cooling .....................................10 Sequence of Operation ......................10 Oil Charge ................................. 10 SERVICE ..................................11,12 Cleaning ....................................11 Lubrication .................................11 Condenser-Fan Adjustment ..................11 Capacity Control — Unit 38AKS012 Only .....12 Compressor Removal ....................... 12 Crankcase Heater ........................... 12 TROUBLESHOOTING GUIDE ............... 13,14 START-UP CHECKLIST ...............CL-1, CL-2 SAFETY CONSIDERATIONS Installing and servicing air-conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install or service air-conditioning equipment. Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these instructions thoroughly. Consult local building codes and National Electrical Code (NEC) (U.S.A. Standard) for special installation requirements. Before installing or servicing system, always turn off main power to system. There may be more than one disconnect switch. Electrical shock can cause personal injury. INSTALLATION The 38AK007, 008, and 012 units use hermetic compressors. The 38AKS008, 009, and 012 units use semi-hermetic compressors. See Table 1A or 1B for physical data. Step 1 — Complete Pre-Installation Checks UNCRATE UNIT (See Fig. 1) — Remove unit packaging except for the top skid assembly and wood bumpers, which should be left in place until after unit is rigged into place. INSPECT SHIPMENT — File claim with shipping company if shipment is damaged or incomplete. Fig.1—Model38AK(Size007Shown) When working on air-conditioning equipment, observe precautions in literature and on tags and labels attached to unit. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 111 Catalog No. 533-876 Printed in U.S.A. Form 38A-7SI Pg 1 5-99 Replaces: 38A-6SI Tab 3a 2a Table 1A — Physical Data — 50/60 Hz (English) UNIT 38 AK007 AK008 AK012 AKS008 AKS009 AKS012 OPERATING WEIGHT (lb) Aluminum Coils (Standard) Copper Coils (Optional) 340 386 370 438 395 472 510 578 564 632 564 632 RIGGING WEIGHT (lb) Aluminum Coils (Standard) Copper Coils (Optional) 390 436 420 488 445 522 560 628 614 682 614 682 REFRIGERANT* R-22 COMPRESSOR Bristol, Reciprocating Copeland, Scroll Copeland, Scroll Reciprocating, Semi-Hermetic Quantity...Type 1...H26A72Q 1...ZR94KC 1...ZR125KC 1...06DA818 1...06DA824 1...06DH824 (See Note) Quantity Cylinders 2 — — 4 6 Speed (rpm) — 60 Hz 3500 3500 3500 1750 1750 —50Hz 1460 1460 Oil Charge (oz) 65 85 110 88 128 CONDENSER FAN — 60 Hz Propeller; Direct Drive Quantity...Rpm 1...850 1...1100 Diameter (in.) 26 26 Motor Hp (NEMA) 1.3 3.4 Nominal Airflow (cfm) 3800 6500 7000 6500 6500 6500 CONDENSER FAN — 50 Hz Propeller; Direct Drive Quantity...Rpm 1...960 Diameter (in.) 26 Motor Hp (NEMA) 1.3 Nominal Airflow (cfm) 3150 5400 5800 5400 5400 5400 CONDENSER COIL Face Area (sq ft) Storage Capacity (lb)† Enhanced Copper Tubes, Aluminum Lanced Fins 12.24 15.75 20.5 18.0 18.0 18.0 11.26 14.88 18.87 16.56 16.56 16.56 CONNECTIONS (sweat) Suction (in.) Liquid (in.) 11.8 1.2 11.8 1.2 11.8 5.8 11.8 1.2 11.8 11.8 5.8 5.8 CONTROLS Pressurestat Settings (psig) High Cutout 426 . 7 Cut-in 320 . 20 Low Cutout 7 . 3 Cut-in 22 . 5 LEGEND NEMA — National Electrical Manufacturing Association *Unit is factory supplied with holding charge only. †Storage capacity of condenser coil with coil 80% full of liquid R-22 at 124 F. NOTE: Unit 38AKS012 has one step of unloading. Full load is 100% capacity, and one step of unloading is 67% capacity. Unit 38AKS012 has the following unloader settings: load is 70 . 1 psig and unload is 60 . 2 psig. 2 Table 1B — Physical Data — 50/60 Hz (SI) UNIT 38 AK007 AK008 AK012 AKS008 AKS009 AKS012 OPERATING WEIGHT (kg) Aluminum Coils (Standard) Copper Coils (Optional) 154 175 168 199 179 214 231 262 256 287 256 287 RIGGING WEIGHT (kg) Aluminum Coils (Standard) Copper Coils (Optional) 176 198 191 221 202 237 254 285 279 309 279 309 REFRIGERANT* R-22 COMPRESSOR Quantity...Type Quantity Cylinders Speed (r/s) — 60 Hz —50Hz Oil Charge (L) Bristol, Reciprocating 1...H26A72Q 2 58.4 48.4 1.92 Copeland, Scroll 1...ZR94KC — 58.4 48.4 2.51 Copeland, Scroll 1...ZR125KC — 58.4 48.4 3.25 Reciprocating, Semi-Hermetic 1...06DA818 1...06DA824 1...06DH824 (See N...

Dieses Handbuch ist für folgende Modelle:
Trockner - 38AK012 (467.2 kb)
Trockner - 38AKS008 (467.2 kb)
Trockner - 38AKS009 (467.2 kb)
Trockner - 38AKS012 (467.2 kb)

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