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- Air Conditioner
- CS-KE12NB41
- Installation Instructions Manual
Panasonic CS-KE12NB41 Installation Instructions Manual
Summary of CS-KE12NB41
Page 1
Installation instructions cs-ke12nb41 & cz-18bt1u + cu-ke12nk1 cs-ke18nb4uw & cz-18bt1u + cu-ke18nku (852-6-4190-577-00-2) appendix b a-2.
Page 2: Installation Instructions
This air conditioner uses the refrigerant r410a. External diameter of service port r410a: 5/16" split system air conditioner 85264190577002 2011 installation instructions note cv6233187839 contents page important! Please read before starting .................................. 2 1. General .............
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2 important! Please read before starting this air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. For safe installation and trouble-free op...
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3 8vhwkhioduhphwkrgirufrqqhfwlqjwxelqj $sso\uhiuljhudqwoxeulfdqwwrwkhpdwfklqjvxuidfhvri the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leak- free connection. &khfnfduhixoo\iruohdnvehiruhvwduwlqjwkhwhvwuxq 'rqrwohdnuhiuljhudqwzklohslslqjzruni...
Page 5
4 printed on container box for unit & pvc tube connection for drain hose connection remarks q’ty for full-scale installation diagram 1 2 4 4 4 4 2 1 for temporarily suspending indoor unit from ceiling flare insulation for wide / narrow tube connection for wide / narrow tube / flare nut connection fo...
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5 1-5. Additional materials required for installation 1. Refrigeration (armored) tape 2. Insulated staples or clamps for connecting wire (see local codes) 3. Putty 4. Refrigeration lubricant 5. Clamps or saddles to secure refrigerant tubing 2. Installation site selection 2-1. Indoor unit avoid: dire...
Page 7
6 2-2. Outdoor unit avoid: heat sources, exhaust fans, etc. (fig. 3) damp, humid or uneven locations. Do: choose a place as cool as possible. Choose a place that is well ventilated. Install in a location where at least two sides are unob- structed, so that the flow of air at the intake port or exhau...
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7 hole-in-anchor concrete insert suspension bolt (m10 or 3/8") hole-in-plug (locally purchased) fig. 6-1 23-5/8"(600mm) 21-1/32"(534mm) ceiling opening dimensions suspension bolt pitch 23-5/8"(600 mm ) 21-1/32"(534 mm ) ceiling opening dimensions suspension bolt pitch drain tube connection port 22-5...
Page 9
8 in cases where it is necessary to raise the height of the drain piping, the drain piping can be raised to a maximum height of 2.78 ft. (850 mm) above the bottom surface of the ceiling. Under no conditions attempt to raise it higher than 2.78 ft. (850 mm) above the bottom surface of the ceiling. Do...
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9 a must be within the range of 1/2"(13mm) to 23/32"(18mm). (fig. 6-11) if not within this range, malfunction or other trouble may occur. Ceiling opening dimension ceiling side a indoor unit 3-5. Checking the drainage after wiring and drain piping are completed, use the following pro- cedure to chec...
Page 11
10 (2) removing the corner cover and indicator cover a) while lightly pressing the cen- ter of the corner cover, pull up the tab for the screw hole. Use the same procedure to remove the indicator cover. (fig. 6-16) 3-6-2. Installing the ceiling panel (1) hang the temporary latches on the inside of t...
Page 12
11 fig. 6-23 fig. 6-24 fig. 6-25 fit into the holes in the ceiling panel. Place the corner cover so that the 3 tabs then fasten it in place with the supplied screws. Pin hole for ceiling panel hook the grille from dropping hook that prevents can be installed rotated 90 * the grille can be installed ...
Page 13
3-7. Wiring instructions general precautions on wiring (1) before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) provide a power outlet to be used exclusively for each unit, with a power supply disconnect a...
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13 cross-sectional (a)+(b) (a) power supply wiring length (ft) (c) control fuse or circuit area (awg) (b) power line length (ft) line length (ft) model (#14) (#12) (#14) breaker capacity cu-ke12nk1 131 (max.) 230 (max.) 65 (max.) 20a cu-ke18nku 131 (max.) 230 (max.) 100 (max.) 15a # ... Awg (america...
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14 when connecting each power wire to the corresponding terminal, fol- low the instructions “how to connect wiring to the terminal” and fasten the wire securely tight with the fixing screw of the terminal plate. How to connect wiring to the terminal a) for indoor unit (1) cut the wire end with a cut...
Page 16
15 for stranded wiring (1) cut the wire end with a cutting pliers, then strip the insulation to expose the stranded wiring about 3/8" (10 mm) and tightly twist the wire ends. (figs. 11 and 12) (2) using a screwdriver, remove the terminal screw(s) on the terminal plate. (3) using a ring connector fas...
Page 17
16 5. Refrigerant tubing 5-1. Use of the flaring method many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts. 5-2...
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17 5-4. Connecting tubing between indoor and outdoor units a) tightly connect the indoor side refrigerant tubing exten- ded from the wall with the outdoor side tubing. (fig. 21) b) to fasten the flare nuts, apply specified torque as: table 5 5-5. Insulation of refrigerant tubing to prevent heat loss...
Page 19
Be sure to use a manifold valve for air purging. If it is not available, use a stop valve (field supply) for this purpose. The “hi” knob of the mani- fold valve must always be kept closed. Insulated tubes drain hose clamp hi lo indoor unit outdoor unit manifold valve (exclusively for r410a) pressure...
Page 20
19 (4) with the “lo” knob of the manifold valve open, run the vacuum pump. The operation time for the vacu- um pump varies with tubing length and the capacity of the pump. The following table shows the amount of time for evacuation: table 6 required time for evacuation when 26.4 gal/h (100 liter/h) ...
Page 21
20 how to test run the air conditioner after turning on the power of the air conditioner, use the remote controller and follow the steps below to conduct the test run. (1) set the remote controller in test run mode. (fig. 29) a)press and hold the high power button and the 1hr. Timer button. B)then p...
Page 22
21 pump down pump down means collecting all refrigerant gas in the system back into the outdoor unit without losing any of the gas. Pump down is used when the unit is to be moved or before servicing the refrigerant circuit. Pump down procedure be sure to carry out pump down with the unit in cooling ...
Page 23
22 7. Remote controller installation position the remote controller can be operated from either a non-fixed position or a wall-mounted position. To ensure that the air conditioner operates correctly, do not install the remote controller in the following places: in direct sunlight behind a curtain or...
Page 24
23 acl (reset) button 1hr. Timer button on/off operation button high power button 8. Address switch 8-1. Address setting of the remote controller the address can be set in order to prevent interfer- ence between remote controllers when 2 indoor units are installed near each other. The address is nor...