To Route And Fix The Transmission Wiring; To Connect The Transmission Wiring - Daikin VRV IV Installer And User Reference Manual

19 | Electrical installation

19.2 To route and fix the transmission wiring

19.3 To connect the transmission wiring

Installer and user reference guide
108
NOTICE
When using residual current operated circuit breakers, be sure to use a high-speed
type 300 mA rated residual operating current.
Transmission wiring can be routed through the front side only. Fix it to the upper
mounting hole.
A
b a
a Transmission wiring (possibility 1)
b Transmission wiring (possibility 2)
c Tie wrap. Fix to factory-mounted low voltage wiring.
d Tie wrap.
(a) Knockout hole has to be removed. Close the hole to avoid small animals or dirt from
entering.
a b
d
c
Fix to the indicated plastic brackets using field supplied clamping material.
a Wiring between the units (indoor-outdoor) (F1/F2 left)
b Internal transmission wiring (Q1/Q2)
c Plastic bracket
d Field supplied clamps
The wiring from the indoor units must be connected to the F1/F2 (In‑Out)
terminals on the PCB in the outdoor unit.
Tightening torque for the transmission wiring terminal screws:
c
c
d
A
(a)
(a)
. Fix to pipe insulation with tie wraps.
RXMLQ8 + RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543427-1A – 2020.10