Instruction/ maintenance manual of the product 38AKS013-024 Carrier
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Installation, Start-Up and Service Instructions CONTENTS Page SAFETY CONSIDERA TIONS ...................1 INST ALLA TION ............................. 1-12 Step 1 — Complete Pre-Installation Checks ....................................1 Step 2 — Rig and Mount the Unit .
NOTE: Service areas — Allow 3 ft (914 mm) on both sides and 2 ft (610 mm) on both ends of unit for servicing. Fig. 1 — Dimensions 2.
13 2 4567 8 12 9 10 11 LEGEND 1— No. 1 Fan 5— No. 2 Fan 9— Compressor 2— High-Pressure Switch 6— T erminal Block 1 (Unit Power) 1 0— Low-Pressure Switch 3— Circuit Breaker — Control Circuit 7— T erminal Block 2 (Control Power) 11 — Hot Gas Bypass Piping Stub ( 3 ⁄ 8 -in.
T able 1A — Physical Data (English, 60 Hz) UNIT 38AKS 013 014 016 024 OPERA TING WEIGHT (lb) With Aluminum-Fin Coil 732 779 789 900 With Copper-Fin Coil 825 919 929 1040 REFRIGERANT* R-22 Shipping Charge (lb) 2.
T able 1B — Physical Data (SI, 60 Hz) UNIT 38AKS 013 014 016 024 OPERA TING WEIGHT (kg) With Aluminum-Fin Coil 332 353 358 408 With Copper-Fin Coil 374 417 421 472 REFRIGERANT* R-22 Shipping Charge (kg) 0.95 1.40 1.40 1.40 Operating Charge, T ypical (kg)† 10.
T able 1C — Physical Data (English, 50 Hz) UNIT 38AKS 013 014 016 024 OPERA TING WEIGHT (lb) With Aluminum-Fin Coil 732 779 789 900 With Copper-Fin Coil 825 919 929 1040 REFRIGERANT* R-22 Shipping Charge (lb) 2.
T able 1D — Physical Data (SI, 50 Hz) UNIT 38AKS 013 014 016 024 OPERA TING WEIGHT (kg) With Aluminum-Fin Coil 332 353 358 408 With Copper-Fin Coil 374 417 421 472 REFRIGERANT* R-22 Shipping Charge (kg) 0.95 1.40 1.40 1.40 Operating Charge, T ypical (kg)† 10.
Step 2 — Rig and Mount the Unit Be sure unit panels are securely in place prior to rigging. RIGGING — These units are designed for overhead rigging only . For this purpose, the transverse base channels extend beyond the sides of the unit, with holes provided in the end plates to attach cables or hooks.
T able 4A — Refrigerant Piping Sizes — 60 Hz Units UNIT 38AKS LENGTH OF INTERCONNECTING PIPING, FT (M) 0-15 (0-4.5) 15-25 (4.5-7.5) 25-50 (7.5-15) 50-75 (15-23) 75-100 (23-30) Line Size (in.
INST ALL FIL TER DRIER(S) AND MOISTURE INDICA- TOR(S) — Every unit should have a filter drier and liquid- moisture indicator (sight glass). In some applications, depending on space and convenience requirements, it may be desirable to install 2 filter driers and sight glasses.
T able 6A — Electrical Data (3 Ph/60 Hz) UNIT 38AKS UNIT COMPR F AN MOT ORS (Single Phase) Model V olts MCA ICF MOCP (Fuse Only) RLA LRA T otal Fans FLA (ea) Fan No. kW Nameplate Supplied* Min Max 1 2 013 501 208-230 187 253 62.5 178 100 43.6 170 2 4.
T able 6B — Electrical Data (3 Ph/50 Hz) UNIT 38AKS UNIT COMPR F AN MOT ORS 230 v (Single Phase) Model V olts MCA ICF MOCP (Fuse Only) RLA LRA T otal Fans FLA (ea) Fan No. kW Nameplate Supplied* Min Max 1 2 013 803 230 198 264 47.5 134 75 32.9 128 2 2.
ST ART -UP Compressor crankcase heater must be on for 24 hours before start-up. After the heater has been on for 24 hours, the unit can be started. If no time has elapsed since the pre- liminary charge step has been completed, it is unnecessary to wait the 24-hour period.
Fig. 10 — 38AKS013 and 38AKS024 Charging Chart 14.
Fig. 1 1 — 38AKS014 Charging Chart 15.
Fig. 12 — 38AKS016 Charging Chart 16.
OPERA TING SEQUENCE Cooling — When the first stage (TC1) of the cooling ther- mostat closes, the timer starts. After approximately 3 seconds, the timer expires, energizing the compressor and fan motor no. 1. When the liquid pressure builds to approxi- mately 257 psig (1772 kPa), fan motor no.
Winter Start Control (If Required) — Install Ac- cessory Package 38AE900021. Crankcase Heater — The heater prevents refrigerant migration and compressor oil dilution during shutdown when- ever compressor is not operating. It is wired to cycle with the compressor; the heater is of f when compressor is run- ning, and on when compressor is of f.
Fig. 15 — Outdoor Fan Fig. 16 — Pivot and Support T op Cover Fig. 17 — Coil Cleaning (T ypical) 19.
TROUBLESHOOTING PROBLEM SOLUTION COMPRESSOR DOES NOT RUN Contactor Open 1. Power off. 1. Restore power . 2. Fuses blown in field power circuit. 2. After finding cause and correcting, replace with correct size fuse. 3. No control power . 3. Check control circuit breaker; reset if tripped or replace if defective.
TROUBLESHOOTING (cont) PROBLEM SOLUTION COMPRESSOR CYCLES 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.
Copyright 1998 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Ta b 3 a 2 a PC 1 1 1 Catalog No. 563-701 Printed in U.S.A.
ST ART -UP CHECKLIST A. Preliminary Information OUTDOOR: MODEL NO. SERIAL NO. INDOOR: AIR HANDLER MANUF ACTURER MODEL NO. SERIAL NO. ADDITIONAL ACCESSORIES B. Pre-Start-Up OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N) IF SO, WHERE: WILL THIS DAMAGE PREVENT UNIT ST ART -UP? (Y/N) CHECK POWER SUPPL Y .
C. Start-Up CHECK INDOOR UNIT F AN SPEED AND RECORD. CHECK OUTDOOR UNIT F AN SPEED AND RECORD. AFTER A T LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS: OIL PRESSURE SUCTION PRESSURE.
An important point after buying a device Carrier 38AKS013-024 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 38AKS013-024 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 38AKS013-024 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 38AKS013-024 you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 38AKS013-024 will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 38AKS013-024, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Carrier 38AKS013-024.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 38AKS013-024. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 38AKS013-024 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
