Lennox LI012CI-160P432-1, Service Manual

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47
Installation and Maintenance
Service Manual
Note: the wiring board is for reference only,please refer to the actual one.
L2 L1
2 3 N(1)
L1
L2
POWER
green
green(yellow-green)
black(brown)
white(blue)
green)
red
black
(yellow-
(brown)
white
(blue)
Indoor unit connection
12K 18/24K
Indoor unit connection
POWER
N(1) 2 3 L1
L1
L2 G
L2
(blue)
white
(blue)
white red
black (brown) (brown)
black
(yellow-
green
green)
(yellow-
green
green)
U-shaped curve
Wall
Drain hose
(1) Take sufficient protective measures when installing the
outdoor unit.
(2) Make sure the support can withstand at least four times the
unit weight.
(3) The outdoor unit should be installed at least 1 3/16 inch
above the floor in order to install drain joint.(As show in Fig.18)
(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.
(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
Note:
Note:
The drain hos
can't raise
upwards
gas pipe
Liquid pipe
Liquid
valve
gas valve
Union nut
Pipe joint
Foot holes
Foot holes
8.6 Installation of Outdoor Unit
1. Fix the Support of Outdoor Unit(Select it according to
the actual installation situation)
(1) Select installation location according to the house structure.
(2) Fix the support of outdoor unit on the selected location with
expansion screws.
5. Connect Outdoor Electric Wire
(1) Let the connection wire sleeve go through the two holes of
baffle; tighten the connection joint of sleeve and baffle; remove
the wire clip; connect the power connection wire and power
cord to the wiring terminal according to the color; fix them with
screws.(As show in Fig.23)
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 3
15/16inch.
(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)
(2) Fix the power connection wire and power cord with wire clip.
(3) Fix the stopper on handle with screw.
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)
4. Connect Indoor and Outdoor Pipes
(1) Remove the screw on the cable cross plate 2 and valve
cover of outdoor unit and then remove the cable cross plate 2
and valve cover.(As show in Fig.21)
(2) Remove the screw cap of valve and aim the pipe joint at the
bellmouth of pipe.(As show in Fig.22)
(3) Pretightening the union nut with hand.
(4) Tighten the union nut with torque wrench .
Hex nut diameter(inch) Tightening torque(ft · Ibf)
Φ1/4 11.10~14.75
Φ3/8 22.12~29.50
Φ1/2 33.19~40.56
Φ5/8 44.24~47.94
Φ3/4 51.32~55.31
Refer to the following table for wrench moment of force
:
Fig.18 Fig.19
Fig.20
Fig.21
Fig.22
Fig.23
Fig.24
Fig.25
Chassis
Outdoor drain joint
Drain hose
Drain vent
Cable cross plate 2
At least 1 3/16 inch above the floor
valve cover
wire pipe
wire-passing
hole
Fixed nut
Finish