Prepare Refrigerant Piping - CANVAC T-Series Installation Manual

INDOOR UNIT INSTALLATION
STEP 4: PREPARE REFRIGERANT PIPING
The refrigerant piping is inside an insulating sleeve
attached to the back of the unit. You must prepare the
piping before passing it through the hole in the wall.
Refer to the Refrigerant Piping Connection section of this
manual for detailed instructions on pipe flaring and flare
torque requirements, technique, etc.
1. Based on the position of the wall hole relative to the
mounting plate, choose the side from which the piping
will exit the unit.
2. If the wall hole is behind the unit, keep the knock-out
panel in place. If the wall hole is to the side of the
indoor unit, remove the plastic knock-out panel from
that side of the unit. (See Fig. 3.3 ). This will create a
slot through which your piping can exit the unit. Use
needle nose pliers if the plastic panel is too difficult to
remove by hand.
3. A groove has been made in the knock-out panel in
order to cut it conveniently. The size of the slot is deter-
mined by the diameter of piping.
4. Use scissors to cut down the length of the insulating
sleeve to reveal about 15cm (6in) of the refrigerant
piping. This serves two purposes:
• To facilitate the Refrigerant Piping Connection process
• To facilitate Gas Leak Checks and enable you to
check for dents
5. If existing connective piping is already embedded in the
wall, proceed directly to the Connect Drain Hose step. If
there is no embedded piping, connect the indoor unit's
refrigerant piping to the connective piping that will join
the indoor and outdoor units. Refer to the Refrigerant
Piping Connection section of this manual for detailed
instructions.
6. Based on the position of the wall hole relative to the
mounting plate, determine the necessary angle of your
piping.
7. Grip the refrigerant piping at the base of the bend.
8. Slowly, with even pressure, bend the piping towards
the hole. Do not dent or damage the piping during the
process.
NOTE ON PIPING ANGLE:
Refrigerant piping can exit the indoor
unit from four different angles:
• Left-hand side
• Left rear
• Right-hand side
• Right rear
Refer to Fig. 3.4 for details.
Knock-out
Panel
CAUTION
Be extremely careful not to dent or damage the piping while
bending them away from the unit. Any dents in the piping will
affect the unit's performance.
46
EN
fig 3.3
fig 3.4