Vrf system air conditioner for refrigerant r410a (27 pages)
Summary of Contents for Panasonic CZ-24KPU1U Series
Page 1
U1 and T1 type Indoor units Wireless Remote Controller CZ-RWSC1U for F1 type Indoor units CZ-RWSK1U for K1 type Indoor units Units should be installed by licensed contractor according to local code requirements. CV6233186962 85464369532012 Panasonic̲PAC-i̲IndoorUnit̲US-le1 1 Panasonic̲PAC-i̲IndoorUnit̲US-le1 1 2011/11/02 15:17:08 2011/11/02 15:17:08...
It may cause product damage, burst and injury etc. • Do not leak refrigerant while piping work for an installation or re-installation, and while repairing refrigeration parts. Handle liquid refrigerant carefully as it may cause frostbite. Panasonic̲PAC-i̲IndoorUnit̲US-le2 2 Panasonic̲PAC-i̲IndoorUnit̲US-le2 2 2011/11/02 15:17:09 2011/11/02 15:17:09...
(or more recently revised) Most importantly, the multi air conditioner system is able ASHRAE 15 to replenish a large amount of refrigerant compared to ASHRAE 34 conventional individual air conditioners. If a single unit of Panasonic̲PAC-i̲IndoorUnit̲US-le3 3 Panasonic̲PAC-i̲IndoorUnit̲US-le3 3 2011/11/02 15:17:09 2011/11/02 15:17:09...
For machines that use R407C or R410A, apply synthetic oil (ether oil) to the flare nuts. * Using tools for R22 and R407C and new tools for R410A together can cause defects. Panasonic̲PAC-i̲IndoorUnit̲US-le4 4 Panasonic̲PAC-i̲IndoorUnit̲US-le4 4 2011/11/02 15:17:09 2011/11/02 15:17:09...
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Liquid air conditioning unit. Single valve Charge liquid refrigerant with cylinder in up-side-down position. Fig. 1 Valve Liquid Single valve (with siphon tube) Charge with cylinder in normal position. Fig. 2 Panasonic̲PAC-i̲IndoorUnit̲US-le5 5 Panasonic̲PAC-i̲IndoorUnit̲US-le5 5 2011/11/02 15:17:10 2011/11/02 15:17:10...
Tips for Energy Saving......63 3-27. When Installing the Indoor Unit 3-28. Required Minimum Space for Installation and Service ■ SUPPLEMENT ON DRAIN PIPING ......36 Panasonic̲PAC-i̲IndoorUnit̲US-le6 6 Panasonic̲PAC-i̲IndoorUnit̲US-le6 6 2011/11/02 15:17:10 2011/11/02 15:17:10...
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Wireless remote controller Vinyl clamps mounting cradle L 5-29/32 Batteries Wire joints <CZ-RWSK1U> Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Truss-head tapping screws Wireless remote controller 4 × 5/8 in. Wireless remote controller Batteries mounting cradle Panasonic̲PAC-i̲IndoorUnit̲US-le9 9 Panasonic̲PAC-i̲IndoorUnit̲US-le9 9 2011/11/02 15:17:11 2011/11/02 15:17:11...
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Table 1-6 (Accessories for the Timer Wired Remote Controller) Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Timer Wired Remote Controller Wood screws Connecting wiring Spacers length 4 ft. Machine screws Clamps M4 × 1 in. Panasonic̲PAC-i̲IndoorUnit̲US-le10 10 Panasonic̲PAC-i̲IndoorUnit̲US-le10 10 2011/11/02 15:17:12 2011/11/02 15:17:12...
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Pay special attention to any CAUTION location, such as a basement or recessed area, etc. where leaked refrigerant can collect, since refrigerant gas is heavi- er than air. Panasonic̲PAC-i̲IndoorUnit̲US-le11 11 Panasonic̲PAC-i̲IndoorUnit̲US-le11 11 2011/11/02 15:17:12 2011/11/02 15:17:12...
6 inch unit. Min. Min. 6 inch 12 inch NOTE Air delivery will be degraded if the distance from the floor to the ceiling is greater than 10 ft. Panasonic̲PAC-i̲IndoorUnit̲US-le12 12 Panasonic̲PAC-i̲IndoorUnit̲US-le12 12 2011/11/02 15:17:12 2011/11/02 15:17:12...
1-7/8" (4) Remove the protective cardboard used to protect the fan parts during transport. Fig. 3-5 (5) Adjust the distance between the unit and surface of the ceiling. (1-7/8") (Fig. 3-4) Panasonic̲PAC-i̲IndoorUnit̲US-le14 14 Panasonic̲PAC-i̲IndoorUnit̲US-le14 14 2011/11/02 15:17:14 2011/11/02 15:17:14...
Fig. 3-10 frame, or other support as close to the unit as possible. (Fig. 3-11) ● Provide insulation for any drain pipe that is run indoors. Support pieces Refer to “ SUPPLEMENT ON DRAIN PIPING”. Fig. 3-11 Panasonic̲PAC-i̲IndoorUnit̲US-le15 15 Panasonic̲PAC-i̲IndoorUnit̲US-le15 15 2011/11/02 15:17:15 2011/11/02 15:17:15...
) and remount the tube cover. Siphon To mount the tube cover, WARNING use 5/16" (4 × 8 mm) tap- ping screws. Do not use long Fig. 3-12 screws as they may puncture the drain pan and cause water leakage. Panasonic̲PAC-i̲IndoorUnit̲US-le16 16 Panasonic̲PAC-i̲IndoorUnit̲US-le16 16 2011/11/02 15:17:16 2011/11/02 15:17:16...
3-8. When Removing the Ceiling Panel for Servicing When removing the ceiling panel for servicing, remove the air-intake grille and air filter, disconnect the wiring connector inside the electrical component box, and then remove the 4 mounting screws. Panasonic̲PAC-i̲IndoorUnit̲US-le18 18 Panasonic̲PAC-i̲IndoorUnit̲US-le18 18 2011/11/02 15:17:17 2011/11/02 15:17:17...
Install the indoor unit to the ceiling. (Install the indoor unit according to instructions enclosed with the outdoor unit.) Indoor When installing in a pre- unit CAUTION existing location, install the indoor unit before installing the duct connection box. Fig. 3-17 Panasonic̲PAC-i̲IndoorUnit̲US-le19 19 Panasonic̲PAC-i̲IndoorUnit̲US-le19 19 2011/11/02 15:17:17 2011/11/02 15:17:17...
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Please fix the socket cover located on the switch box Ceiling panel after closing the lid for the switch box. Take adequate precautions when installing onto the CAUTION ceiling. The air-intake plenum is especially prone to rupture if struck on it's side. Fig. 3-18 Panasonic̲PAC-i̲IndoorUnit̲US-le20 20 Panasonic̲PAC-i̲IndoorUnit̲US-le20 20 2011/11/02 15:17:17 2011/11/02 15:17:17...
(Fig. 3-23) INSIDE OUTSIDE (6) Place the plastic cover over the end of the pipe Wall (for indoor side only) and insert in the wall. Plastic cover PVC pipe (Field supply) (Fig. 3-24) Slight angle Fig. 3-24 Panasonic̲PAC-i̲IndoorUnit̲US-le21 21 Panasonic̲PAC-i̲IndoorUnit̲US-le21 21 2011/11/02 15:17:18 2011/11/02 15:17:18...
3/16" b) If Block, Brick, Concrete or Similar Type Wall dia. hole Make 3/16" dia. holes in the wall. Insert rawl plugs for appropri- Rawl plug ate mounting screws. (Fig. 3-27) (Field supply) Fig. 3-27 Panasonic̲PAC-i̲IndoorUnit̲US-le22 22 Panasonic̲PAC-i̲IndoorUnit̲US-le22 22 2011/11/02 15:17:19 2011/11/02 15:17:19...
In this case, the corner of the frame needs not be cut. Fig. 3-30 To mount the indoor unit on the rear panel: Mounting slot (a) Hang the 3 mounting slots of the unit on the upper tabs of the rear panel. (Fig. 3-31) Fig. 3-31 Panasonic̲PAC-i̲IndoorUnit̲US-le23 23 Panasonic̲PAC-i̲IndoorUnit̲US-le23 23 2011/11/02 15:17:20 2011/11/02 15:17:20...
* Foamed polyethylene or its equivalent is Fig. 3-37 recommended. Do not supply power to the unit WARNING or operate it until all tubing and Condensation wiring to the outdoor unit are completed. Insulation material (field supply) must be used. Fig. 3-38 Panasonic̲PAC-i̲IndoorUnit̲US-le25 25 Panasonic̲PAC-i̲IndoorUnit̲US-le25 25 2011/11/02 15:17:22 2011/11/02 15:17:22...
(4) Screw in the suspension bolts, allowing them to unit protrude from the ceiling as shown in Fig. 3-41. Ceiling The distance of each exposed bolt must be of surface equal length within 2 inches. (Fig. 3-42) Fixture Fig. 3-42 Panasonic̲PAC-i̲IndoorUnit̲US-le26 26 Panasonic̲PAC-i̲IndoorUnit̲US-le26 26 2011/11/02 15:17:23 2011/11/02 15:17:23...
4 suspension bolts as shown in Figs. 3-60 and 3-61. Use 2 sets of nuts and wash- ers (upper and lower), so that the unit will not fall off the suspension lugs. Fig. 3-60 Suspension bolt Hexagonal nut Fig. 3-61 Panasonic̲PAC-i̲IndoorUnit̲US-le31 31 Panasonic̲PAC-i̲IndoorUnit̲US-le31 31 2011/11/02 15:17:27 2011/11/02 15:17:27...
(Fig. 3-64) Drain insulator (supplied) NOTE Fig. 3-64 Make sure the drain pipe has a downward gradient (1/100 or more) and that there are no water traps. Panasonic̲PAC-i̲IndoorUnit̲US-le32 32 Panasonic̲PAC-i̲IndoorUnit̲US-le32 32 2011/11/02 15:17:28 2011/11/02 15:17:28...
To mount the tube cover, use 5/16" CAUTION (4 × 8 mm) tapping screws. Do not use long screws as they may puncture the drain pan and cause water leak-age. Panasonic̲PAC-i̲IndoorUnit̲US-le33 33 Panasonic̲PAC-i̲IndoorUnit̲US-le33 33 2011/11/02 15:17:29 2011/11/02 15:17:29...
This problem may be solved by increasing the fan speed as explained above. Refer to “ SUPPLEMENT ON DRAIN PIPING”. 1000 Air Flow (CFM) Air Flow (CFM) HT : Using the booster cable NOTE H : At shipment Fig. 3-70 Panasonic̲PAC-i̲IndoorUnit̲US-le34 34 Panasonic̲PAC-i̲IndoorUnit̲US-le34 34 2011/11/02 15:17:30 2011/11/02 15:17:30...
1.0 ft. or more space. Min. 1.0 ft. or more space Min. 1.0 ft. or more space Fig. 3-72 Panasonic̲PAC-i̲IndoorUnit̲US-le35 35 Panasonic̲PAC-i̲IndoorUnit̲US-le35 35 2011/11/02 15:17:30 2011/11/02 15:17:30...
Make sure whether the wire gauge is followed by the Inoperative, burnout recommended specifications. Make sure whether the air intake and air outlet of the No cooling, no heating indoor and outdoor units are sealed by obstacles. Panasonic̲PAC-i̲IndoorUnit̲US-le36 36 Panasonic̲PAC-i̲IndoorUnit̲US-le36 36 2011/11/02 15:17:31 2011/11/02 15:17:31...
You must follow LOCAL ELECTRICAL CODES for wiring. Outdoor Unit Time delay fuse or Type circuit capacity U-26PE1U6 30 A U-36PE1U6 35 A U-42PE1U6 40 A Time delay fuse or Type circuit capacity U-26PS1U6 25 A U-36PS1U6 30 A U-42PS1U6 35 A Panasonic̲PAC-i̲IndoorUnit̲US-le37 37 Panasonic̲PAC-i̲IndoorUnit̲US-le37 37 2011/11/02 15:17:31 2011/11/02 15:17:31...
Power Unit Remote supply control control power source and indoor unit. Line Line MAXIMUM OVER CURRENT PROTECTION 15 A (FUSE OR HACR TYPE CIRCUIT BREAKER) Panasonic̲PAC-i̲OutdoorUnit̲US-l22 22 2011/07/08 9:46:23 Panasonic̲PAC-i̲OutdoorUnit̲US-l22 22 Panasonic̲PAC-i̲IndoorUnit̲US-le38 38 2011/07/11 21:19:05 2011/07/08 9:46:23 Panasonic̲PAC-i̲IndoorUnit̲US-le38 38 Panasonic̲PAC-i̲IndoorUnit̲US-le38 38 2011/11/02 15:17:31 2011/11/02 15:17:31...
(3) Using a ring connector fastener or pliers, securely clamp each stripped wire end with a ring pressure terminal. (Fig. 4-1) (4) Place the ring pressure terminal, and replace and tighten the removed terminal screw using a screwdriver. (Fig. 4-2) 7/08 9:46:23 Panasonic̲PAC-i̲IndoorUnit̲US-le39 39 Panasonic̲PAC-i̲IndoorUnit̲US-le39 39 2011/11/02 15:17:32 2011/11/02 15:17:32...
(3) Press the reset hole, then replace the lid. If you press it, the current time, ON time, and OFF time Reset hole are all reset to 0:00. Cover Fig. 5-2 Panasonic̲PAC-i̲IndoorUnit̲US-le40 40 Panasonic̲PAC-i̲IndoorUnit̲US-le40 40 2011/11/02 15:17:32 2011/11/02 15:17:32...
* Always press the reset button after switching the setting. Operation mode switch U1, T1 types K1 type F1 type Flap display Heat pump with Heat pump without Cooling only selector switch Auto mode Auto mode Fig. 5-4 Panasonic̲PAC-i̲IndoorUnit̲US-le41 41 Panasonic̲PAC-i̲IndoorUnit̲US-le41 41 2011/11/02 15:17:33 2011/11/02 15:17:33...
(5) Form the wires with vinyl clamps and fasten. (6) Connect the ceiling panel wiring connector (2P, 3P) to the body connector in the electrical component box. (7) For details on test operation, see “Test Run.” Panasonic̲PAC-i̲IndoorUnit̲US-le42 42 Panasonic̲PAC-i̲IndoorUnit̲US-le42 42 2011/11/02 15:17:33 2011/11/02 15:17:33...
(WHT, BLK) to the remote control wires in the electrical component box. (3) Connect the indicator section and the operating controller using the 6P connector in the electrical component box. Operating controller Electrical component box Fig. 5-9 Panasonic̲PAC-i̲IndoorUnit̲US-le43 43 Panasonic̲PAC-i̲IndoorUnit̲US-le43 43 2011/11/02 15:17:34 2011/11/02 15:17:34...
Do not use this setting at any time other than for the test run. Doing so will place an excessive load on the system. To avoid placing an excessive load on the equipment, use this function only when conducting the test run. Panasonic̲PAC-i̲IndoorUnit̲US-le44 44 Panasonic̲PAC-i̲IndoorUnit̲US-le44 44 2011/11/02 15:17:34...
OPERATION TIMER STANDBY Remote control lamp lamp lamp receiver Fig. 5-12 NOTE Stick the alarm message label accompanying the wireless remote controller on the electrical component box to indicate the cause of trouble for future reference. Panasonic̲PAC-i̲IndoorUnit̲US-le45 45 Panasonic̲PAC-i̲IndoorUnit̲US-le45 45 2011/11/02 15:17:35 2011/11/02 15:17:35...
(3) Press the reset hole, then replace the lid. If you press it, the current time, ON time, and OFF time Reset hole are all reset to 0:00. Cover Fig. 5-15 Panasonic̲PAC-i̲IndoorUnit̲US-le46 46 Panasonic̲PAC-i̲IndoorUnit̲US-le46 46 2011/11/02 15:17:35 2011/11/02 15:17:35...
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Do not apply strong force when tightening the screws. Excessive force might warp or damage the cover. When fi nished, the signal receiving unit should still be able to move slightly when pressed as shown in Fig. 5-22. (8) Reinstall the cover plate. Panasonic̲PAC-i̲IndoorUnit̲US-le47 47 Panasonic̲PAC-i̲IndoorUnit̲US-le47 47 2011/11/02 15:17:35 2011/11/02 15:17:35...
(5) After the test run, press the ON/OFF operation button on the wireless remote controller. Then, set the TEST RUN switch back to the OFF position to cancel the test run mode. (This receiver includes a 60-minute automatic OFF timer function in order to prevent continuous test run.) Panasonic̲PAC-i̲IndoorUnit̲US-le48 48 Panasonic̲PAC-i̲IndoorUnit̲US-le48 48 2011/11/02 15:17:36...
S.C. errors between indoor and outdoor units. Alternately Indoor unit protector is activated. Alternately Outdoor unit protector is activated. Compressor protector is activated. Concurrent Mis-setting of indoor unit. Concurrent Mis-setting of outdoor unit. * S.C.: Serial communications Panasonic̲PAC-i̲IndoorUnit̲US-le49 49 Panasonic̲PAC-i̲IndoorUnit̲US-le49 49 2011/11/02 15:17:37 2011/11/02 15:17:37...
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Address setting is automatically executed after turning on the system. An indoor unit address is assigned to each indoor unit. Operation takes place successively at intervals of 1 second, by using combinations of the address setting of each unit. Panasonic̲PAC-i̲IndoorUnit̲US-le50 50 Panasonic̲PAC-i̲IndoorUnit̲US-le50 50 2011/11/02 15:17:37 2011/11/02 15:17:37...
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Indoor unit No. 1 No. 2 No. 3 No. 8 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 Outdoor unit Outdoor unit Outdoor unit Outdoor unit : Ground (earth) Panasonic̲PAC-i̲IndoorUnit̲US-le51 51 Panasonic̲PAC-i̲IndoorUnit̲US-le51 51 2011/11/02 15:17:37 2011/11/02 15:17:37...
(incorrect wiring will damage the equipment). Signal receiving unit (main) (sub) (Option) To operate 1 indoor unit with 2 signal receiving units set at different locations. Connection wiring Remote control cable terminal board Indoor unit Earth Panasonic̲PAC-i̲IndoorUnit̲US-le52 52 Panasonic̲PAC-i̲IndoorUnit̲US-le52 52 2011/11/02 15:17:38 2011/11/02 15:17:38...
Set sliding switch 2 to the correct setting for these models. A H C A H C RESET hole SENSOR button A: Heat pump model (H: Heat pump, no auto heating/cooling) C: Cooling-only model Sliding switch Panasonic̲PAC-i̲IndoorUnit̲US-le53 53 Panasonic̲PAC-i̲IndoorUnit̲US-le53 53 2011/11/02 15:17:38 2011/11/02 15:17:38...
Test run is not possible if the power was turned ON when the controller switch was in the “TEST” position. Leave the power ON and move the switch to “OFF,” then move the switch back to “TEST.” Panasonic̲PAC-i̲IndoorUnit̲US-le54 54 Panasonic̲PAC-i̲IndoorUnit̲US-le54 54 2011/11/02 15:17:38...
When using wireless remote controller as “sub”, set the wireless switch on the indoor unit control PCS to A. remote controller Nos. 1, 2 OFF, No. 3 ON. as “sub” When using wireless remote controller as “main” Nos. 1, 2, 3 all OFF Panasonic̲PAC-i̲IndoorUnit̲US-le56 56 Panasonic̲PAC-i̲IndoorUnit̲US-le56 56 2011/11/02 15:17:39 2011/11/02 15:17:39...
Air outlet grille (optional) Ceiling type (T1 type) Air outlet Water drain (Drain pipe can be connected to either the left or right side.) Air intake grille (air intake) Wall Mounted type (K1 type) Air intake Air outlet Panasonic̲PAC-i̲IndoorUnit̲US-le58 58 Panasonic̲PAC-i̲IndoorUnit̲US-le58 58 2011/11/02 15:17:39 2011/11/02 15:17:39...
1. Remove the air filter from the air intake grille. 2. Use a vacuum cleaner to remove light dust. If there is sticky dust on the filter, wash the filter in lukewarm, soapy water, rinse it in clean water, and dry it. Panasonic̲PAC-i̲IndoorUnit̲US-le59 59 Panasonic̲PAC-i̲IndoorUnit̲US-le59 59 2011/11/02 15:17:40...
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Bear in mind the dangers that these parts and areas pose, and proceed with the work carefully. 4. Remove the air filter attached to the air intake grille. U1 type Latch Safety chain Air intake grille Bolt screws Air filter Panasonic̲PAC-i̲IndoorUnit̲US-le60 60 Panasonic̲PAC-i̲IndoorUnit̲US-le60 60 2011/11/02 15:17:40 2011/11/02 15:17:40...
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2. The filter is disengaged by pushing the tab up gently. Hold the air filter by the tab at the bottom, and pull downward. Air intake grille Air filter When replacing the filter, make sure that the FRONT mark is facing you. Push it up until you hear it click back into position. Panasonic̲PAC-i̲IndoorUnit̲US-le61 61 Panasonic̲PAC-i̲IndoorUnit̲US-le61 61 2011/11/02 15:17:41 2011/11/02 15:17:41...
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Disconnect the power supply and also turn off the circuit breaker. • Clean the air filter and replace it in its original position. • Outdoor unit internal components must be checked and cleaned periodically. Contact your local dealer for this service. Panasonic̲PAC-i̲IndoorUnit̲US-le62 62 Panasonic̲PAC-i̲IndoorUnit̲US-le62 62 2011/11/02 15:17:41 2011/11/02 15:17:41...
Should the power fail while the unit is running NOTE If the power supply for this unit is temporarily cut off, the unit will automatically resume operation once power is restored using the same settings before the power was cut off. Panasonic̲PAC-i̲IndoorUnit̲US-le63 63 Panasonic̲PAC-i̲IndoorUnit̲US-le63 63 2011/11/02 15:17:41 2011/11/02 15:17:41...
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DC0811-21111 Printed in Japan Panasonic̲PAC-i̲IndoorUnit̲US-le1 1 Panasonic̲PAC-i̲IndoorUnit̲US-le1 1 2011/11/02 15:17:41 2011/11/02 15:17:41...