Guidelines When Knocking Out Knockout Holes; To Route And Fix The Transmission Wiring - Daikin VRV IV+ Installer And User Reference Manual

6.8.4 Guidelines when knocking out knockout holes

6.8.5 To route and fix the transmission wiring

RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1A – 2019.10
For the above wiring, always use vinyl cords with 0.75 to 1.25 mm
(2-core wires). (3-core wire cables are allowable for the cooler/heater changeover
user interface only.)
▪ To punch a knockout hole, hit on it with a hammer.
▪ After knocking out the holes, we recommend removing any burrs and paint the
edges and areas around the holes using repair paint to prevent rusting.
▪ When passing electrical wiring through the knockout holes. prevent damage to
the wires by wrapping the wiring with protective tape, putting the wires through
field supplied protective wire conduits at that location, or install suitable field
supplied wire nipples or rubber bushings into the knockout holes.
a
a Knockout hole
b Burr
c Remove burrs
d If there are any possibilities that small animals enter the system through the
knockout holes, close the holes with packing materials (to be prepared on-site)
Transmission wiring can be routed through the front side only. Fix it to the upper
mounting hole.
8~12 HP
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.
b c
14~20 HP
c
c
c
A
d
b
A
(a)
(a)
. Fix to pipe insulation with tie wraps.
6 Installation
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sheath or cables
d
c
c
A
d
a
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