Ecoer EAHAEC-36 - 5.10 Engineering of Electrical Wring; 5.10.1 Highlights of electrical wiring installation; 5.10.2 Specific wiring method

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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
5.10.1 Highlights of electrical wiring installation
• All field wiring construction should be finished by qualified electrician.
• Air conditioning equipment should be grounded according to the local electrical regulations.
• Current leakage protection switch should be installed.
• Do not connect the power wire to the terminal of signal wire.
• When power wire is parallel with signal wire, put wires to their own wire tube and remain at least 300mm
gap.
• According to table in indoor part named “the specification of the power” to choose the wiring, make sure the
selected wiring not small than the date showing in the table.
• Select different colors for different wire according to relevant regulations.
• Do not use metal wire tube at the place with acid or alkali corrosion, adopt plastic wire tube to replace it.
• There must be not wire connect joint in the wire tube If joint is a must, set a connection box at the place.
• The wiring with different voltage should not be in one wire tube.
• Ensure that the color of the wires of outdoor and the terminal No. are same as those of indoor unit
respectively.
Table: Minimum Cross-Sectional Area able of Power and Signal Cables
Rated Current of
Appliance (A)
AWG
≤ 6
18
6 - 10
16
10 - 16
14
16 - 25
12
25 - 32
10
5.10.2 Specific wiring method
Connection method A:
Refer to the wiring method of internal and external machine communication and wired controller as follows:
R C Y1 Y2 B W D L S1 S2
Outdoor Unit
Indoor unit
Wired
controller
Wired
controller R C L G Y1 Y2 B W W1 W2 E DH S1 S2
5.10 Engineering of Electrical Wring