Comfort-Aire VMH 24 SD - Manual (Page 8)

8
VMH 09/12/18/24 SD Inverter Mini-Split Heat Controller
4. Refrigerant Line Installation
A. Remove the knockout from the desired side
of the unit that the line set will be routed from.
The lines from the unit can be routed either
left or right, left back or right back (Fig. 14).
B. Remove the clamp (Fig. 14) before attempt-
ing the bend the line set to prevent kinks.
The clamp may be replaced and used to hold
the line set in place, but this depends on the
routing direction of the line set and whether it
is needed, taking into account the line’s bend
radius.
C. Loosley run the line set connections from the
indoor unit through the hole in the wall.
D. Hang the unit onto the top flanges of the wall
bracket. Ensure the unit is properly seated.
(Fig. 15)
E. Keep the unit away from the wall to prevent
the line set from being kinked or crushed, use
a piece of styrofoam as a spacer between the
back of the unit and the wall. (Fig. 16)
F. Feed the condensate drain line and refriger-
ant line set through the hole such that the unit
can sit flush against the wall then remove the
spacer.
G. Push the bottom of the unit up and onto the
lower flanges of the wall bracket. Ensure that
unit is properly sealed.
H. Be sure that the overall installation of the
indoor unit and installation plate and flush
against the wall and level.
5. Piping and insulating
A. Bundle the tubing, connecting cable*, and drain
hose with tape or wire ties as shown in (Fig.17).
B. Be sure to arrange the drain line such that it
is at the lowest point within the bundle as they
exit the unit and hole in the wall to the out-
doors. (Fig. 17)
C. Because the condensed water from rear of
the indoor unit is gathered in the ponding. Do
not put anything else in this area.
E. Insulated the liquid line and suction lines
separately.
Fig. 15
Fig. 16
Spacer
Top Flange
Bottom Flange
Ponding box
Tape/wire tie
Line set
Drain line
*Connecting
Cable
Fig. 17
Fig. 14
Right
Knockout
Clamp
Knockout
Right back
Left Back
Left
Indoor Unit