Instruction/ maintenance manual of the product 38AE012 Carrier
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Installation, Start-Up and Service Instructions CONTENTS Page SAFETY CONSIDERA TIONS ...................1 INST ALLA TION ..............................1 - 8 Step 1 — Complete Pre-Installation Checks ....1 Step 2 — Rig and Mount the Unit ..........
LEGEND A— 1 1 ⁄ 4 -in. (32) diameter knockout for 5 ⁄ 8 -in. (16) ODM liquid line connection B— 1 3 ⁄ 4 -in. (44.5) diameter knockout for suction line connections of 1 1 ⁄ 8 in. (28.6) (38AE012), 1 3 ⁄ 8 in. (35) (38AE014,016), 1 5 ⁄ 8 in.
1 3 2 456 7 8 12 9 10 11 LEGEND 1— Low-V oltage Fuse 5— No. 2 Fan 9— Compressor 2— No. 1 Fan 6— T erminal Block 1 (Unit Power) 1 0— Low-Pressure Switch 3— High-Pressure Switch 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 38AE012 38AE014 38AE016 38AKS024 OPERA TING WEIGHT (lb) 732 779 789 900 REFRIGERANT* R-22 COMPRESSOR Reciprocating, Semi-Hermetic Speed (Rpm) 1750 No. Cylinders 666 4 Model No. 06DD824 06DD328 06DD537 06E4250 Oil (pt) 10 10 10 15.
T able 1C — Physical Data (English, 50 Hz) UNIT 38AE012 38AE014 38AE016 38AKS024 OPERA TING WEIGHT (lb) 732 779 789 900 REFRIGERANT* R-22 COMPRESSOR Reciprocating, Semi-Hermetic Speed (Rpm) 1460 No. Cylinders 666 4 Model No. 06DD824 06DD328 06DD537 06E4250 Oil (pt) 10 10 10 15.
T a b l e2—W eight Distribution UNIT WEIGHT — lb (kg) T otal Operating Support Point AB C D 38AE012 732 (333) 142 (65) 138 (63) 225 (102) 227(103) 38AE014 779 (354) 143 (65) 140 (64) 247 (1 12) 24.
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 5A — Electrical Data (3 Ph/60 Hz) UNIT UNIT COMPR F AN MOTORS (Single Phase) Model V olts MCA ICF MOCP (Fuse) RLA LRA T otal Fans FLA (ea) Fan No. kW Nameplate Supplied* Min Max 12 38AE012 501 208-230 187 253 62.5 178 100 43.6 170 2 4.3 3.7 1.
PRE-ST ART -UP Evacuate and Dehydrate the entire refrigerant sys- tem by either of the methods described in Carrier Standard Service T echniques Manual, Chapter 1. Leak T est the entire refrigerant system by the pres- sure method described in Carrier Standard Service T ech- niques Manual, Chapter 1.
Fig. 9 — 38AE012 and 38AKS024 Charging Chart 10.
Fig. 10 — 38AE014 Charging Chart 11.
Fig. 1 1 — 38AE016 Charging Chart 12.
Check Operation — V erify operation of all safety con- trols. Replace all service panels. Be sur e that contr ol panel cover is closed tightly . OPERA TING SEQUENCE Cooling — When the first stage (TC1) of the cooling ther- mostat closes, the timer starts.
Outdoor Fans — Each fan is supported by a formed- wire mount bolted to the fan deck and covered with a wire guard. The exposed end of the motor shaft is covered with a rubber boot.
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 secondary fuse(s); replace with correct type and size.
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.
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P ACKAGED SER VICE TRAINING Our packaged service training programs provide an excellent way to increase your knowledge of the equipment discussed in this manual. Product programs cover: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory , and skills programs is available.
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 EV APORA TOR F AN SPEED AND RECORD. CHECK CONDENSER F AN SPEED AND RECORD. AFTER A T LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS: OIL PRESSURE SUCTION PRESSURE S.
An important point after buying a device Carrier 38AE012 (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 38AE012 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 38AE012 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 38AE012 you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 38AE012 will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 38AE012, 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 38AE012.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 38AE012. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 38AE012 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
