Carrier 38AKS013-024- Manuals

Page 3 - Table 1A; Copeland, Scroll Recip., Semi-Hermetic

3 Table 1A – physical Data – 38AKS013-024 Units – 50Hz, English UNIT 38AK 013 016 S024 NOMINAL CAPACITY (tons) 10.6 15 20 OPERATING WEIGHTS (lb) Aluminum-Fin coils (standard) 732 789 900 Copper-Fin Coils (optional) 825 929 1040 REFRIGERANT* R-22 Operating Charge, typical (lb)† 22 23 28 Shipping Char...

Page 4 - Table 1B; Step 2; CAUTION

4 Table 1B – physical data – 38AKS013-024 Units – 50Hz, SI UNIT 38AK 013 016 S024 NOMINAL CAPACITY (kw) 37.8 50.2 62.5 OPERATING WEIGHTS (kg) Aluminum-fin Coils (standard) 748 818 1106 Copper-Fin Coils (optional) 818 911 1246 REFRIGERANT* R-22 Operating charge, Typical (kg)† 10 11 12.7 COMPRESSOR Co...

Page 5 - Before starting; Step 3; may; Table 3; Table 4; INSTALL

5 and top crating. COMPRESSOR MOUNTING — As shipped, the compressor is held tightly in place by self-locking bolts. Before starting the unit, loosen the self-locking bolts until the snubber washer can be moved sideways with finger pressure. Do not remove the shipping bolts. See Fig. 3 . Step 3 — Com...

Page 6 - – Thermostat Expansion Valve; Step 4 — Install Accessories —; Field install accessories; Step 5 — Complete Electrical Connections; – Location of Fusible Plug; EQUIP GND; NEC

6 Select the filter drier for maximum unit capacity and minimum pressure drop. Complete the refrigerant piping from the indoor unit to the outdoor unit before opening the liquid and suction lines at the outdoor unit. INSTALL LIQUID LINE SOLENOID VALVE — It is recommended that a solenoid valve be pla...

Page 7 - Table 5- Electrical Data

7 Fig.7 – Main Power Supply Wiring LEGEND C — Compressor Contactor HD — Heating Device IFC — Indoor Fan Contactor LLSV1 — Liquid Line solenoid Valve 1 – Refrigerant Migration Control LLSV2 — Liquid Line solenoid Valve 1 – Capacity Control R — Relay _______ — Factory Wiring _ _ _ _ _ — Field Wiring N...

Page 8 - Leak Test and Dehydration —; Turn On Crankcase Heater; Turn on the; Preliminary Charge —; at least 80% of the operating charge listed in the

8 4. Check tightness of all electrical connections. 5. For 38AKS unit, the compressor oil level should be visible in the sight glass. Adjust the oil level as required. Refer to the Start-Up, Preliminary Oil Charge section. Do not remove any oil unless the crankcase heater has been energized for at l...

Page 9 - Ensure that all fans are operating

9 line service valve. Mount the temperature sensing device on the liquid line, close to the liquid line service valve, and insulate it so that outdoor ambient temperature does not affect the reading. Indoor airflow must be within the unit’s normal operating range. Operate the unit for a minimum of 1...

Page 10 - When the first stage of the cooling thermostat; SERVICE; suction

10 Fig. 11 – 38AKS024 Charging Chart CHECK COMPRESSOR OIL LEVEL — After adjusting the refrigerant charge, allow the compressor to run fully loaded for 20 minutes. The running oil level should be within view of the crankcase sight glass. Stop the compressor at the field power supply disconnect and ch...

Page 11 - Time Guard II Circuit; This circuit prevents short-cycling by providing a delay; Crankcase Heater —; The heater prevents refrigerant; Compressor Protection; The 38AKS high-pressure; Outdoor Fans —; Each fan is supported by a formed wire; – Outdoor Fan – 38AKS Units; do not use wire brush

11 turn the adjustment clockwise to the desired pressure differential setting. Every full turn clockwise increases the differential by 1.5 psig (10.3 kPag). Time Guard II Circuit — This circuit prevents short-cycling by providing a delay of approximately 5 minutes before restarting compressor after ...

Page 12 - – Pivot and Support Top Cover

12 Fig. 15 – Pivot and Support Top Cover Fig. 16 – Coil Cleaning (Typical) 6. Reposition outer coil sections. 7. Reinstall clips which secure tube sheets. 8. Replace top cover and rear corner posts. CLEANING AND MAINTAINING COILS — routine cleaning of condenser coil surfaces is essential to maintain...

Page 13 - TROUBLESHOOTING; PROBLEM

13 CAUTION Do not use bleach, harsh chemicals, or acid cleaners on outdoor or indoor coils of any kind. These types of cleaners are difficult to rinse, and they promote rapid corrosion of the fin collar-copper tube connection. Only use the Environmentally Sound Coil Cleaner. Never use high pressure ...

Page 14 - I. PRELIMINARY INFORMATION; INDOOR: AIR HANDLER MANUFACTURER; OUTDOOR UNIT

14 5. Low refrigerant charge. 5. Add charge. Check low-pressure switch setting. COMPRESSOR CUCLES ON LOW-PRESSURE SWITCH (cont) Airflow Restricted 1. Coil iced up. 1. Check refrigerant charge. 2. Coil dirty. 2. Clean coil fins. 3. Air filters dirty. 3. Clean or replace filters. 4. Dampers closed. 4....

Page 16 - NOTES

16 INDOOR UNIT ENTERING-AIR DB (dry bulb) TEMP INDOOR UNIT ENTERING-AIR WB (wet bulb) TEMP INDOOR UNIT LEAVING-AIR DB TEMP INDOOR UNIT LEAVING-AIR WB TEMP COMPRESSOR AMPS (L1/L2/L3) / / CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES; ARE THE SIGHT GLASSES SHOWING OIL LEVEL IN VIEW (38ARS/AKS Units Onl...

Page 17 - Sanaye Sarma Afarin Iran; ناریا هیرفآامرس عیانص تکرش

17 Sanaye Sarma Afarin Iran ناریا هیرفآامرس عیانص تکرش ) کیرفومرتریرک( NO.200, W. Khorramshahr (Apadana)Ave.,TEHRAN-15337,P.O.BOX: 13145-1799 Tel:88762038 Fax:88762033 هرامش ،رهشمرخ نابایخ ،یلامش یدورهس 022 نارهت ، - 73551 : یتسپ قودنص ، 7111 - 75733 : هفلت 88120258 :سکاف 88120255