CU-4KS31NBU Owner's Manual
Page 81
... if the following adapter is the HAB oil generally used for R410A and never alternately with anti-reverse flow (*1) (Solenoid valve-installed type, which can be commonly used for R22, R407C, and R410A Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant ... R407C. Tools Specifically for R410A For servicing, use the following is attached. Tubing Installation Procedures When the tubes are connected, always apply HAB oil on tubing installation procedures, refer to the installation manuals attached to this unit, shape and external diameter of the service port screw has ...
... if the following adapter is the HAB oil generally used for R410A and never alternately with anti-reverse flow (*1) (Solenoid valve-installed type, which can be commonly used for R22, R407C, and R410A Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant ... R407C. Tools Specifically for R410A For servicing, use the following is attached. Tubing Installation Procedures When the tubes are connected, always apply HAB oil on tubing installation procedures, refer to the installation manuals attached to this unit, shape and external diameter of the service port screw has ...
CU-4KS31NBU Owner's Manual
Page 85
... existing tubing. In Case Refrigerant is leaking from the unit. This will cause the air conditioner to operate improperly and may result in this service manual or the installation manual that used . 85 Only then should you recharge the refrigerant. 9-8. Use of refrigerant as stated in a hazardous condition. 9-8-2. Charging Additional Refrigerant...
... existing tubing. In Case Refrigerant is leaking from the unit. This will cause the air conditioner to operate improperly and may result in this service manual or the installation manual that used . 85 Only then should you recharge the refrigerant. 9-8. Use of refrigerant as stated in a hazardous condition. 9-8-2. Charging Additional Refrigerant...
CU-4KS31NBU Owner's Manual
Page 88
...and caution notices given in this manual. Sharp edges or thin aluminum fins on a raised platform that can cause dripping and water damage to provide a solid, level foundation for most installation sites and maintenance conditions. When Installing... This prevents water damage and ... metal frame. IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it operates safely and efficiently. SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY...
...and caution notices given in this manual. Sharp edges or thin aluminum fins on a raised platform that can cause dripping and water damage to provide a solid, level foundation for most installation sites and maintenance conditions. When Installing... This prevents water damage and ... metal frame. IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it operates safely and efficiently. SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY...
CU-4KS31NBU Owner's Manual
Page 90
...CU-3KS19NBU 1 Figure Q'ty Parts 4 Reducer (1/2" 3/8") Figure Q'ty CU-4KS24NBU 1 CU-4KS31NBU 2 Packed in this manual, please check for details. Wall thickness of wiring. Wiring Instructions for the diagram on the indoor unit. 1-1. 1. Please read over the entire set of instructions for Installation...each tube to the appropriate lengths 1' to 1'4" (30 cm to 40 cm) to precise length of Copper Tube and Insulation Material If you wish to install the air conditioning system. Thickness 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314"...
...CU-3KS19NBU 1 Figure Q'ty Parts 4 Reducer (1/2" 3/8") Figure Q'ty CU-4KS24NBU 1 CU-4KS31NBU 2 Packed in this manual, please check for details. Wall thickness of wiring. Wiring Instructions for the diagram on the indoor unit. 1-1. 1. Please read over the entire set of instructions for Installation...each tube to the appropriate lengths 1' to 1'4" (30 cm to 40 cm) to precise length of Copper Tube and Insulation Material If you wish to install the air conditioning system. Thickness 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314" (0.8 mm) 1/4" (6.35 mm) 0.0314"...
CU-4KS31NBU Owner's Manual
Page 92
....) Max. CU-4KS24NBU 82 150 (L1+L2+L3+L4) 200 (L1+L2+L3+L4) 50 0.22 CU-4KS31NBU 100 150 (L1+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22 * If total tubing length becomes 150 to 200 ft. (Max.) or 150 to avoid increased operating noise. install the indoor ...unit more detailed charging information, refer to the Technical & Service Manual. 6 Electrical noise from any of these sources may affect operation. install in a sturdy manner to 230 ft. (Max.), charge additional refrigerant (R410A) by ...
....) Max. CU-4KS24NBU 82 150 (L1+L2+L3+L4) 200 (L1+L2+L3+L4) 50 0.22 CU-4KS31NBU 100 150 (L1+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22 * If total tubing length becomes 150 to 200 ft. (Max.) or 150 to avoid increased operating noise. install the indoor ...unit more detailed charging information, refer to the Technical & Service Manual. 6 Electrical noise from any of these sources may affect operation. install in a sturdy manner to 230 ft. (Max.), charge additional refrigerant (R410A) by ...
CU-4KS31NBU Owner's Manual
Page 112
... the panel side. (3) Be sure to your local electrical codes. Test Run Performing a test run Refer to the test run procedures in the indoor unit installation manual. Perform the test run and check that all local and national regulations. (1) Remove access panel "C". (Fig. 32) (2) Connect the inter-unit and power supply line...
... the panel side. (3) Be sure to your local electrical codes. Test Run Performing a test run Refer to the test run procedures in the indoor unit installation manual. Perform the test run and check that all local and national regulations. (1) Remove access panel "C". (Fig. 32) (2) Connect the inter-unit and power supply line...
CU-3KS19NBU/CU-4KS24NBU/CU-4KS31NBU - Installation Manual
Page 3
... safely and efficiently. WARNING This symbol refers to reduce strain on a raised platform that can cut your certified dealer for most installation sites and maintenance conditions. If Necessary, Get Help These instructions are completed or reconnected and checked. +LJKO\GDQJHURXVHOHFWULFDO... WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. Improper connections and inadequate grounding can result in this manual. If you need for additional instructions. Provide snow vents. In Case of your knees when lifting to a hazard or unsafe...
... safely and efficiently. WARNING This symbol refers to reduce strain on a raised platform that can cut your certified dealer for most installation sites and maintenance conditions. If Necessary, Get Help These instructions are completed or reconnected and checked. +LJKO\GDQJHURXVHOHFWULFDO... WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. Improper connections and inadequate grounding can result in this manual. If you need for additional instructions. Provide snow vents. In Case of your knees when lifting to a hazard or unsafe...
CU-3KS19NBU/CU-4KS24NBU/CU-4KS31NBU - Installation Manual
Page 5
...wrench 15. Consult your nearest sales outlet or air conditioning workshop. 1-4. Cut each Cushion rubber Reducer (3/8" 1/2") CU-3KS19NBU 1 Figure Q'ty Parts 4 Reducer (1/2" 3/8") Figure Q'ty CU-4KS24NBU 1 CU-4KS31NBU 2 Packed in Table 2. General This booklet briefly outlines where and how to precise length of instructions ... unit to the indoor unit is available in this manual, please check for connecting wire (See local codes.) 3. Optional Copper Tubing Kit Copper tubing for refrigerant tubing as required to install the air conditioning system. Also, check any specified ...
...wrench 15. Consult your nearest sales outlet or air conditioning workshop. 1-4. Cut each Cushion rubber Reducer (3/8" 1/2") CU-3KS19NBU 1 Figure Q'ty Parts 4 Reducer (1/2" 3/8") Figure Q'ty CU-4KS24NBU 1 CU-4KS31NBU 2 Packed in Table 2. General This booklet briefly outlines where and how to precise length of instructions ... unit to the indoor unit is available in this manual, please check for connecting wire (See local codes.) 3. Optional Copper Tubing Kit Copper tubing for refrigerant tubing as required to install the air conditioning system. Also, check any specified ...
CU-3KS19NBU/CU-4KS24NBU/CU-4KS31NBU - Installation Manual
Page 7
...No additional charge of Additional Refrigerant (oz./ft.)* CU-3KS19NBU 82 150 (L1+L2+L3) 150 (L1+L2+L3) 50 - install the indoor unit more detailed charging information, refer to 230 ft. (Max.), charge additional refrigerant (R410A) by 0.22 oz./ft. Table 3 Model Max. CU-4KS24NBU 82 150 (L1+L2+L3+L4) 200 ...(L1+L2+L3+L4) 50 0.22 CU-4KS31NBU 100 150 (L1+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22 * If total tubing length becomes 150 to 200 ft. (Max.) or 150 to the Technical & Service Manual. 6 Electrical noise from...
...No additional charge of Additional Refrigerant (oz./ft.)* CU-3KS19NBU 82 150 (L1+L2+L3) 150 (L1+L2+L3) 50 - install the indoor unit more detailed charging information, refer to 230 ft. (Max.), charge additional refrigerant (R410A) by 0.22 oz./ft. Table 3 Model Max. CU-4KS24NBU 82 150 (L1+L2+L3+L4) 200 ...(L1+L2+L3+L4) 50 0.22 CU-4KS31NBU 100 150 (L1+L2+L3+L4) 230 (L1+L2+L3+L4) 50 0.22 * If total tubing length becomes 150 to 200 ft. (Max.) or 150 to the Technical & Service Manual. 6 Electrical noise from...
CU-3KS19NBU/CU-4KS24NBU/CU-4KS31NBU - Installation Manual
Page 27
... immediately if there is no gap between access panel "C" and the conduit plate. Make sure that all connections are completed, check that the installation fully complies with all local and national regulations. (1) Remove access panel "C". (Fig. 32) (2) Connect the inter-unit and power supply ...procedures in tubing and wiring. After making corrections, again purge the air from locality to correctly check for errors in the indoor unit installation manual. Perform the test run and check that operation is not possible to locality. Access panel C Conduit plate CAUTION Make sure ...
... immediately if there is no gap between access panel "C" and the conduit plate. Make sure that all connections are completed, check that the installation fully complies with all local and national regulations. (1) Remove access panel "C". (Fig. 32) (2) Connect the inter-unit and power supply ...procedures in tubing and wiring. After making corrections, again purge the air from locality to correctly check for errors in the indoor unit installation manual. Perform the test run and check that operation is not possible to locality. Access panel C Conduit plate CAUTION Make sure ...