Multi F Outdoor Unit Engineering Manual

Flare nut
Piping
1. 3/8 in. to 3/8 in. Connection
2. 3/8 in. to 1/2 in.
Connection
Flare side to
branch distribution unit
Flare side to indoor unit
Ø3/8 in.
Flare side to indoor unit
Ø1/2 in.
Connection socket
Flare nut
Piping
Ø3/8 in.
Ø3/8 in.
Spanner
Field Piping
Flare nut
Torque
wrench
3. 1/2 in. to 5/8 in.
Connection
Ø5/8 in.
Connection socket
Flare nut
Piping
Ø1/2 in.
4. 1/4 in. to 3/8
Connection
Flare side to indoor unit
Ø3/8 in.
Connection socket
Flare nut
Piping
Ø1/4 in.
Flare
side to
branch distribution unit
Flare side to indoor unit
Flare
side to
branch distribution unit
Flare
side to
branch distribution unit
Multi F MAX Outdoor Unit System Piping Connections, continued.
Figure 77: Possible Branch Distribution Unit to Indoor Unit Connections.
1. Align the center of the piping sections and tighten the flare nut by hand.
2. Tighten the flare nut with a torque wrench, using the arrows on the wrench as a guide, until a click is heard.
3. Wrap insulation around the connection.
INSTALLATION & LAYOUT BEST PRACTICES
Refrigerant Piping System Layout
Due to our policy of continuous product innovation, some specications may change without notication.
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212 | DESIGN & PRACTICES
Multi F and Multi F MAX Heat Pump System Engineering Manual
MULTI
F
MAX
MULTI
F