8 | Electrical installation
Installer reference guide
42
CVXM20+FVXM25~50A2V1B
Split system air conditioners
4P625991-1 – 2020.06
b Round crimp-style terminal
▪ Use the following methods for installing wires:
Wire type Installation method
Single-core wire
a Curled single-core wire
b Screw
c Flat washer
Stranded conductor wire
with round crimp-style
terminal
a Terminal
b Screw
c Flat washer
O Allowed
X NOT allowed
▪ The earth wire between the wire retainer and the terminal must be longer than
the other wires.
8.1.3 Specifications of standard wiring components
Component
Interconnection cable (indoor↔outdoor) 4-core cable 1.5mm²~2.5mm²
andapplicable for 220~240V
H05RN-F (60245 IEC 57)
8.2 To connect the electrical wiring to the indoor unit
1 Open the terminal block. See "6.2Opening the indoor unit"[425].
2 Strip the wire ends approximately 15mm.
3 Match wire colours with terminal numbers on indoor and outdoor unit’s
terminal blocks and firmly screw wires to the corresponding terminals.
4 Connect the earth wires to the corresponding terminals.