Carrierメーカー38AE012の使用説明書/サービス説明書
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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.
デバイスCarrier 38AE012の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Carrier 38AE012をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCarrier 38AE012の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Carrier 38AE012の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Carrier 38AE012で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Carrier 38AE012を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCarrier 38AE012の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Carrier 38AE012に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCarrier 38AE012デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。