Lennox International Inc.メーカー2SCU13の使用説明書/サービス説明書
ページ先へ移動 of 18
# 48283B006 Page 1 Save these instructions for future reference INST ALLA TION AND MAINTENANCE INSTRUCTIONS 2SCU13 Series S plit System Air Conditioner Sharp metal edges can cause injury .
Page 2 # 48283B006 INST ALLA TION Location of Unit Outdoor unit s operate under a wide range of weather conditions; therefore, multiple factors must be considered when positioning the unit. The unit must be positioned to give adequate clearances for sufficient airflow and servic- ing.
# 48283B006 Page 3 Figure 2 Slab Mounting 2° or 2" per 5' slope tolerance aw ay from b uilding str ucture. Discharge Air Mounting Slab Ground Le vel Building Structure Figure 3 Wind Barrier.
Page 4 # 48283B006 T able 2 Refrigerant Line Set Diameters (in.) For inst allations exceeding 5 0', cont act T echnical Services at (419) 483-4840. e n i L n o i t c u S H U T B e z i S d n a h t g n e L t e S e n i L . t f 2 1 . t f 5 2 . t f 0 5 .
# 48283B006 Page 5 Figure 6 T o hang line set from joist or rafter , use either metal strapping material or anchored heavy n ylon wire ties. Strapping Material (around vapor line only) 8 ’ 8 ’ T ape or Wire Tie Strap the v apor line to the joist or rafter at 8 intervals then str ap the liquid line to the vapor line .
Page 6 # 48283B006 Figure 8 Refrigerant Line Set s: Inst alling V ertical Runs (new construction shown) Outside W all W ood Block Between Studs IMPOR T ANT: Refrigerant lines must not contact wall.
# 48283B006 Page 7 T o install an expansion valve (see Figure 9): 1. Separate the distributor assembly and remove the piston orifice and used teflon seal. Insert nozzle end of Figure 9 Metering Device Inst allation the expansion valve along with a new teflon seal into the distributor and tighten to 20 – 30 ft.
Page 8 # 48283B006 T o Close Liquid or Suction Line Service V alve: 1. Remove the stem cap with an adjustable wrench. 2. Use a service wrench with a hex-head extension to turn the stem clockwise to seat the valve. T ighten firmly . 3. Replace the stem cap.
# 48283B006 Page 9 5. Evacuate the line set and indoor unit to a minimum of 500 microns or lower . During the early stages of evacuation, it is desirable to close the manifold gauge valve at least once to determine if there is a rapid rise in pressure.
Page 10 # 48283B006 If the system is void of refrigerant, clean the system using the procedure described below . 1. Use dry nitrogen to pressurize the system and check for leaks. Repair leaks, if possible. 2. Evacuate the system to remove as much of the moisture as possible.
# 48283B006 Page 11 Charge Using Weigh-In Method (Fixed Orifice/TXV Systems) If the system is void of refrigerant, or if the outdoor ambient temperature is cool, first locate and repair any leaks then use the weigh-in method to charge the unit. 1. Recover the refrigerant from the unit.
Page 12 # 48283B006 Pressures higher than those listed indicate that the system is overcharged. Pressures lower than those listed indicate that the system is undercharged. V erify adjusted charge using the approach method. 4. Use the same digital thermometer to check liquid line temperature.
# 48283B006 Page 13 Normal Operating Pressures T able 9 l i o C r o o d t u O r i A g n i r e t n E e r u t a r e p m e T l e d o M 8 1 - 4 2 - 0 3 - 6 3 - 2 4 - 8 4 - 0 6 - L S L S L S L S L S L S L .
Page 14 # 48283B006 OPERA TION Outdoor unit and indoor blower cycle on demand from the room thermostat. When the thermost at blower switch is moved to the ON position, the indoor blower operates continuously . Maintenance and service must be performed by a quali- fied installer or service agency .
# 48283B006 Page 15 5. Check for correct voltage at unit (with unit operating). 6. Check amp-draw on blower motor . Unit nameplate _________ Actual _________ St art-Up and Performance Checklist Job Name _______________________________ Job No.
Page 16 # 48283B006 Figure 12 H C F 1 DESCRIPTION KEY COMPONENT A4 CONTROL - TIMED OFF B1 COMPRESSOR B4 MO TOR - OUTDOOR F AN C12 CAP ACIT OR - DU AL HR1 HEA TER - COMPRESSOR K1-1 CONT ACT OR - COMPRESSOR S4 SWITCH - HIGH PRESSURE S24 SWITCH - LOSS OF CHARGE FOR USE WITH COPPER CONDUCT ORS ONL Y .
# 48283B006 Page 17 Figure 13 Three Phase Wiring Diagram P/N 48436-001 B4 OUTDOOR FA N C1 OUTDOOR F AN CAP ACIT OR A4 TIMED OFF CONTROL (IF USED) PURPLE BLACK ORANGE BLACK BLACK RED T3 T2 T1 BLACK L3 .
Page 18 # 48283B006 Limited Warranty August 1, 1997 This warranty gives you specific legal rights and you may have other rights which vary from state/province to st ate/province. W arrantor: Armstrong Air Conditioning Inc., 421 Monroe St., Bellevue, OH 4481 1 Armstrong Air Conditioning Inc.
デバイスLennox International Inc. 2SCU13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：
Lennox International Inc. 2SCU13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Lennox International Inc. 2SCU13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。Lennox International Inc. 2SCU13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。Lennox International Inc. 2SCU13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。
Lennox International Inc. 2SCU13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Lennox International Inc. 2SCU13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、Lennox International Inc. 2SCU13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Lennox International Inc. 2SCU13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。
