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Indoor Units Rated Capacity Type Indoor Unit Type Air-to-Water S-80MW1E5 S-125MW1E5 ENGLISH Read through the Installation Instructions before you proceed with the installation. In particular, you will need to read under the “IMPORTANT!” section at the top of the page.
IMPORTANT! SPECIAL PRECAUTIONS Please Read Before Starting When Wiring WARNING This Air-to-Water must be installed by the sales dealer or installer. This information is provided for use only by authorized ELECTRICAL SHOCK CAN persons. CAUSE SEVERE PERSONAL Be sure to read the installation instructions relevant to INJURY OR DEATH.
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When Installing… • Ventilate the room immediately, in the event that is refrigerant gas leaks during Select an installation location which is the installation. Be careful not to allow rigid and strong enough to support or contact of the refrigerant gas with a hold the unit, and select a location for flame as this will cause the generation easy maintenance.
Others CAUTION WARNING CAUTION • Do not touch the air inlet or the WARNING sharp aluminum fins of the • Do not sit or step on the unit, you outdoor unit. You may get injured. may fall down accidentally. • Ventilate any enclosed areas when •...
1. GENERAL This booklet briefly outlines where and how to install the Air-to-Water system. Please read over the entire set of instructions for the indoor units and make sure all accessory parts listed are with the indoor units before beginning. 1-1.
2. SELECTING THE INSTALLATION SITE The indoor unit must be within a maintenance space. 2-1. Indoor Unit 300 mm AVOID: or more 300 mm or more areas where leakage of flammable gas may be expected. 300 mm or more places where large amounts of oil mist exist. direct sunlight.
3-2. How to Fix Installation Plate (4) Finish by sealing the sleeve with putty or caulking compound at the final stage. The mounting wall is strong and solid enough to prevent it from vibration. Wall (Unit: mm) Bolt- size Wall Wall More than 551 More than 551...
1 bar is installed in this indoor unit. through the fan coil unit ONLY. Total amount of water in system should be below 200 L. Panasonic Air-to-Water (Note: This amount of water does not include the tank unit Heatpump Indoor Unit...
3-8. Drain Elbow and Hose Installation 4-2. Recommended Wire Length and Wire Diameter for Power Supply System Fix the drain elbow and packing to the bottom of indoor unit, as shown in below illustration. (A) Power supply cable Use inner diameter 17 mm drain hose in the market. This hose must be installed in a continuously downward Minimum power Power supply...
4-3. Wiring System Diagram Indoor unit (No. 1) Power supply Outdoor unit 220/230/240V ~50/60Hz INV unit Ground Power supply 380/400/415V, 3 N~, 50Hz Remote controller Ground Ground Ground Indoor unit Ground (No. 2) Power supply Ground 220/230/240V ~50/60Hz Outdoor unit Ground INV unit Remote...
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CAUTION (1) When linking the outdoor units in a network, disconnect the terminal extended from the short plug from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) For a system without link (no wiring connection between outdoor units), do not remove the short plug. (2) Do not install the inter-unit control wiring in a way that forms a loop.
How to connect wiring to the terminal I For stranded wiring (1) Cut the wire end with cutting pliers, Stranded wire Special then strip the insulation to expose Screw washer the stranded wiring about 10 mm and Ring tightly twist the wire ends. pressure Ring pressure (2) Using a Phillips head screwdriver,...
5. HOW TO PROCESS TUBING Caution Before Connecting Tubes Tightly (1) Apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are used. 5-1. Connecting the Refrigerant Tubing (2) Be sure to apply refrigerant lubricant (ether oil) to the Use of the Flaring Method surface of a flare before making piping connections.
G For the flare nuts at tubing connections, be sure to use the flare nuts that were supplied with the unit, or else flare nuts CAUTION for R410A (type 2). The refrigerant tubing that is used must be of the correct wall thickness as shown in the table. After a tube has been insulated, never try to bend it into a Tightening torque, narrow curve because it can cause the tube to break or crack.
6. HOW TO INSTALL THE HIGH-SPEC WIRED REMOTE CONTROLLER (OPTIONAL PART) 6-1. Installation Location 5 mm or more G Install at the height of 1 to 1.5 m from the floor (Location where average room temperature can be detected). G Install vertically against the floor. G When installing more than 1 remote controller next to each other, keep 50 mm or distance of 5 mm on the right and left and 50 mm on top and bottom.
2-1. Exposed type Preparation: Make 2 holes for screws using a screwdriver. Mount the top case. Mount the bottom case to the wall. G Align the claws of the top case and then align the claws of the bottom case. Cut here with a nipper and remove the burr...
7. TEST RUN I Test Run of Water Circuit CAUTION G When external pump is used, be sure to install it in independent water circuit Panasonic and not direct to the Air-to-Water External Air-to-Water heatpump indoor unit circuit. Pump Heatpump Indoor Unit 7-1.
7-3. Initial Setting for Air-to-Water Unit * To complete the initial setting, it is necessary to carry out the Test Run for Water Circuit. * If the Test Run for Water Circuit is not complete, “L16” alarm START will occur. 7-3-2.
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• Air purge Press the button to see each menu. If you wish to see the next screen instantly, press the button. Select “Air purge” on the LCD display and press the button. After 30 minutes have passed, the following process becomes automatically effective. (Pump will start operation.) Pump will start operation for Air purge.
7-4. Detailed settings for Air-to-Water (extract) 3. Press the button to see each menu. If High-spec Wired Remote Controller (CZ-RTC5) you wish to see the next screen instantly, press the button. Select “Air-to-Water settings” on the LCD display and press button.
8. OVERLOAD PROTECTOR 1. Keep pressing the buttons simultaneously for 4 or more seconds. If “P07” alarm appears on the remote controller, perform the following steps. The “Maintenance func” screen appears on the LCD display. How to Service Overload Protector Perform the steps in “7-2.
9. CHECK WATER PRESSURE 11. CHECK AIR PURGE VALVE *(0.1 MPa = 1 bar) Air purge valve must be installed at all high points in a closed Water pressure should not lower than 0.05 MPa (with inspects water circuit system. An automatic air purge valve is provided inside the indoor unit.