Panasonic EAIRC-MJ Series Installation Instructions Manual

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Panasonic EAIRC-MJ Series Installation Instructions Manual Manual pdf 10 page image

10■ Solenoid Valve Kit for 3-pipe ECOi systems(CZ-P160HR3) for R410A3-5. Installing the Solenoid Valve Kit (SVK)1. For safe installation and trouble-free operation you must:● Carefully read these instructions before beginning.● Follow each installation step exactly as shown.● Observe all local, state, and national electrical codes.● Pay close attention to all warning and caution notices givenin these instructions.2. Positioning for installation● The solenoid valve kit must be installed at a location within30 m of the indoor unit.However, the length of wiring provided with the solenoidvalve kit is 5 m. If the valve will be used with wiring thatexceeds 5 m in length, use a terminal box (field supply) orsimilar device to extend the wiring. Refer to “Wiring, Tubing,and Heat Insulation” within this section.● The solenoid valve kit produces some refrigerant noise. If itis to be installed in a quiet place such as a hospital, libraryor hotel, it is recommended that the solenoid valve kit beinstalled in the ceiling of a corridor etc. apart from the room.● The solenoid valve kit must be located not less than 2.5 mabove the floor so that it cannot be touched.Recommended installationRoomIndoor unitSolenoid valve kitCorridorIndoor unitRoomFig. 3-8Installation to be avoidedCorridorSolenoid valve kitIndoor unit Indoor unitRoom RoomFig. 3-9● Be sure to secure the solenoid valve kit with the hangingbolts not to cause any falling damage, using the hanginghooks.Do not place the solenoid valve kit directly on the ceilingsurface. Select a location where the ceiling is strong enoughto support the weight of the solenoid valve kit. Wheninstalling the solenoid valve kit, remember to install it withthe top surface facing upward. (See the figure shown inthe subsection “How to use the fittings” in the section “ValveDimensions and Hanging Method.”)● When installing the valve body, install it with the top surfacefacing up. Secure 200 mm or more of space to the front and150 mm of space upward so that the service panel can beremoved upward.● Never conduct drilling or welding on the sheet metal.Place the solenoid valve kit so that it does not hinderdraining.● Do not cover air holes.Service spaceTop sideFront sideService space200 mm or moreFig. 3-103. Valve Dimensions and Hanging MethodIn order for you to chose the correct solenoid valve kit, thecorresponding indoor unit model capacities are shown in thefollowing table.Corresponding indoor unit model capacities for SVKIndoor Unit Capacity (combinedwith 3-pipe ECOi systems)Solenoid Valve KitEAIRC-MJ/MS size 10 1 x CZ-P160HR3EAIRC-MJ/MS size 15 or bigger 2 x CZ-P160HR3