Cooper & Hunter Alpha NG Series, Owner'S Manual

Page: 15 / 156

Indoor unit installation
1. Pass the piping through the hole in the wall.
2. Put the upper claw at the back of the indoor unit on the upper hook of the
installation plate, move the indoor unit from side to side to see that it is securely
hooked.
3. Piping can easily be made by lifting the indoor unit with a cushioning material
between the indoor unit and the wall. Get it out after piping.
4. Push the lower part of the indoor unit up on the wall. Then move the indoor unit from side to side, up and down to check if
it is hooked securely.
Settlement of outdoor unit
Anchor the outdoor unit with a bolt and nut 10 or 8 tightly and horizontally on a concrete or rigid mount.
Drain joint installation
Fit the seal into the drain elbow, then insert the drain joint into the base pan hole of outdoor unit, rotate 90 to securely
assemble them. Connecting the drain joint with an extension drain hose (Locally purchased), in case of the water draining
off the outdoor unit during the heating mode.
Piping and wrapping
Bundle the tubing, connecting cable, and drain hose with tape securely.
●
Because the condensed water from rear of the indoor unit is gathered in pending box and is piped out of room. Do not put
anything else in the box.
CAUTION
●
Connect the indoor unit first, then the outdoor unit.
●
Do not allow the piping to let out from the back of the indoor unit.
●
Be careful not to let the drain hose slack.
●
Heat insulated both of the auxiliary piping.
●
Be sure that the drain hose is located at the lowest side of the bundle.
Locating at the upper side can cause drain pan to over flow inside the unit.
●
Never intercross nor intertwist the power wire with any other wiring.
●
Run the drain hose sloped downward to drain out the condensed water
smoothly.
indoor unit
gas pipe
with isulation
indoor and outdoor
connection wires
liquid pipe
with isulation
drain hose
band
●
The power cables should not come into contact with the tubing.
Models
1 x 1 DC INV.
Connective pipe length max
without additional refrigerant (m) Allowed connective pipe
length (m) Max. difference
in level (m)
Additional amount
of refrigerant (g/m)
Φ
liquid/
Φ
gas
2600 W
5 15 10 20
Φ
6,35/
Φ
9,52
3500 W
5 20 10 20
Φ
6,35/
Φ
9,52
5
1
30 W
5 25 10 20
Φ
6,35/
Φ
12,7
67
00 W
5 25 10 50
Φ
6,35/
Φ
16
1
2