Waterstage WS*K160DA9 Installation And Operating Manual page 18

Split system (3-phase)
Outdoor unit connections
Gas
Liquid
Flare nut
- 18 -
Diameter of refrigeration
5/8"
3/8"
Liquid valve
Gas valve
Flare nut
Liquid refrigeration connection
diameter D2
Gas refrigeration connection
diameter D1
Figure 20 - Connecting the flared connections
connections
(D1) 5/8"
(D2) 3/8"
Flare nut
Installation and operating manual "1364 - EN"
Hydraulic unit connections
5/8"
3/8"
Flare nut