Panasonic S-50PY2E5A - Page 11

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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.
Outdoor unit Outdoor unit Outdoor unit
Indoor unit Indoor unit Indoor unit Indoor unit
Prohibited
Prohibited
Indoor unit
(3) Do not install inter-unit control wiring such as star branch wiring. Star branch wiring causes mis-address setting.
Outdoor unit Indoor unitIndoor unit
Indoor unitIndoor unit
NO
"RANCHPOINT
(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
Outdoor unit
Outdoor unit Outdoor unit
"RANCHPOINT
Indoor unit
Indoor unit Indoor unit
Indoor unitIndoor unit
Indoor unit
Indoor unit
More than 2m required
Central Controller
(5) Use shielded wires for inter-unit control wiring (C) and ground
the shield on both sides, otherwise misoperation from noise may occur. Connect wiring as shown in Section “4-3. Wiring System Diagrams”.
(6) · Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conform to CENELEC (HAR)
rating specifications) or use the cables based on IEC standard. (60245 IEC57, 60245 IEC66)
· Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 5 or 3 *1.5 mm
2
flexible cord. Type designation 60245 IEC 57 (H05RN-F, GP85PCP etc.) or heavier cord.
WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also occur. Therefore, ensure that all wiring is tightly connected. 7HENCONNECTINGEACHPOWERWIRETOTHETERMINALFOLLOWTHEINSTRUCTIONSONh(OWTOCONNECTWIRINGTOTHETERMINALvANDFASTENTHE wire securely with the terminal screw.
SG
SG
Shielded wire
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How to connect wiring to the terminal ■
For stranded wires
(1) Cut the wire end with cutting pliers, then strip the insulation
to expose the stranded wire about 10 mm and tightly twist the wire ends.
Stranded wire
Strip 10 mm
Ring pressure terminal
(2) Using a Phillips head screwdriver, remove the terminal
screw(s) on the terminal board.
(3) Using a ring connector fastener or pliers, securely clamp
each stripped wire end with a ring pressure terminal.
(4) Put the removed terminal screw through the ring pressure
terminal and then replace and tighten the terminal screw using a screwdriver.
Ring pressure terminal
Special washer
Screw
Terminal board
Ring pressure terminal
Wire
Wire
Screw and Special washer
■
Assembling parts for outdoor unit cover
Terminal board
Earth
#ORDCLAMP" Cord clamp C
Terminal cover
Pipe cover
Screw
Cord clamp A
5. HOW TO INSTALL THE TIMER REMOTE
CONTROLLER (OPTIONAL PART)
NOTE
Refer to the Instruction Manual attached to the optional Timer Remote Control Unit. 6. HOW TO PROCESS TUBING "OTHTHELIQUIDANDTHEGASTUBINGSIDESARECONNECTEDBYFLARE nuts. 6-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes that run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts. Flaring Procedure with a Flare Tool (1) Cut the copper tube to the required length with a tube
cutter. It is recommended to cut approx. 30 – 50 cm longer than the tubing length you estimate.
(2) Remove burrs at each end of the copper tubing with a tube
reamer or a similar tool. This process is important and SHOULDBEDONECAREFULLYTOMAKEAGOODFLARE"ESURETO keep any contaminants (moisture, dirt, metal filings, etc.) from entering the tubing.
NOTE
When reaming, hold the tube end downward and be sure that no copper scraps fall into the tube. (3) Remove the flare nut from the unit and be sure to mount it
on the copper tube.
(4) Make a flare at the end of the copper tube with a flare tool.
After"EFORE
Deburring
Copper tubing
Reamer
Flare nut
Copper tubing
Flare tool
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ENGLISH
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