Connection Of Wiring - Friedrich D4PBB Installation Manual

Connection of Wiring

Connection of Wiring
• Connect refrigerant pipes and connection wires to the appropriate ports maked with matching
alphabets (A, B and C) on this unit.
• Follow the instructions on the wiring nameplate to connect the connection wires of indoor/outdoor
units to terminal board numbers.(1, 2 and 3) Always fix each ground wire separately with a ground
screw.(See the figure below.)
• After completing the wiring, fix the outer coating of wires securely with wire clamps. The wire
clamp on indoor unit side is furnished. Follow the procedure below to install.
• Refer to the circuit diagram on the control cover inside outdoor unit.
NOTICE
:
The terminal board numbers are arranged from top to bottom in order of 1, 2 and 3.
10 Branch Distributor