Gree Dettson LOMO 19 Installation Manual page 58

Service Manual
(4) For the unit with cooling capacity of 2300W~5000W, 6
expansion screws are needed; for the unit with cooling capacity
of 6000W~8000W, 8 expansion screws are needed; for the
unit with cooling capacity of 10000W~16000W, 10 expansion
screws are needed.
At least 3cm above the floor
Fig.18
2. Install Drain Joint(Only for cooling and heating unit)
(1) Connect the outdoor drain joint into the hole on the chassis.
(2) Connect the drain hose into the drain vent.(As show in Fig.19)
3. Fix Outdoor Unit
(1) Place the outdoor unit on the support.
(2) Fix the foot holes of outdoor unit with bolts.(As show in Fig.20)
Foot holes
Foot holes
Fig.20
4. Connect Indoor and Outdoor Pipes
(1) Remove the screw on the right handle of outdoor unit and
then remove the handle. (As show in Fig.21)
(2) Remove the screw cap of valve and aim the pipe joint at the
bellmouth of pipe.
(3) Pretighten the union nut with hand.(As show in Fig.22)
liquid
valve
(4) Tighten the union nut with torque wrench by referring to the
sheet below.
Piping size (inch)
1/4
3/8
1/2
5/8
3/4
Installation and Maintenance
Drain vent
Drain hose
Outdoor drain joint
Fig.19
Fig.21
liquid pipe
pipe joint
gas pipe
gas valve
Fig.22
Tightening torque (N . m)
15~20
30~40
45~55
60~65
70~75
5. Connect Outdoor Electric Wire
(1) Remove the wire clip; connect the power connection wire and
signal control wire (only for cooling and heating unit) to the wiring
terminal according to the color; fix them with screws. (As show in
Fig.23)
Chassis
Screw
Cable Cross
Plate Sub-
assy
Note: the wiring connect is for reference only,please refer to the
Valve
Cover
actual one.
Note:
(1) After tightening the screw, pull the power cord slightly to
check if it is firm.
(2) Never cut the power connection wire to prolong or shorten
the distance.
(3) The connecting wire and connection pipe cannnot touch
each other.
(4) Top cover of outdoor unit and electric box assembly should
be fixec by the screw. Otherwise, it can cause a fire, or short
circuit caused by water or dust.
Install the over line pipe
union nut
6. Neaten the Pipes
(1) The pipes should be placed along the wall, bent reasonably
and hidden possibly. Min. semidiameter of bending the pipe is
10cm.
(2) If the outdoor unit is higher than the wall hole, you must set
a U-shaped curve in the pipe before pipe goes into the room,
in order to prevent rain from getting into the room. (As show in
Fig.24)
Fig.23
09/12/18/24K(208/230V~)
L1(1) 2 L2(3)
green
white white
(yellow-
red
(blue) (blue)
black
green)
(brown)
L1
Indoor unit connection
09/12K(115V~)
N(1) 2 L(3)
green
red
white
(yellow- white
black (brown)
(blue)
(blue)
green)
N
Indoor unit connection
wire-passing
hole
wire pipe
Fixed nut
green
black
(yellow-
(brown)
green)
L2
POWER
green
(yellow-
black
(brown) green)
L
POWER
Finish
55