Multiple Outdoor Units: Knockout Holes; To Connect The Refrigerant Branching Kit; To Protect Against Contamination - Daikin VRV IV+ Installer And User Reference Manual

6 | Installation

6.4.6 Multiple outdoor units: Knockout holes

6.4.7 To connect the refrigerant branching kit

6.4.8 To protect against contamination

Installer and user reference guide
54
Connection
Front connection
Bottom connection
For installation of the refrigerant branching kit, refer to the installation manual
delivered with the kit.
▪ Mount the refnet joint so that it branches either horizontally or vertically.
▪ Mount the refnet header so that it branches horizontally.
b
A
B
a Horizontal surface
b Refnet joint mounted vertically
c Refnet joint mounted horizontally
Protect the piping as described in the following table to prevent dirt, liquid or dust
from entering the piping.
Description
Remove the front plate knockout holes to connect.
Remove the knockout holes on the bottom frame and
route the piping under the bottom.
c
a
a
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1A – 2019.10