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33

Installation and Maintenance

Do not bend the drain hose too excessively in order to prevent 
blocking.

Note:

Indoor

Outdoor

Wall pipe

Sealing gum

Upper hook

Lower hook of

wall-mounting frame

Fig.16

Fig.17

(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 3cm 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.

Note:

gas pipe

Liquid pipe

Liquid

valve

gas valve

Union nut

Pipe joint

Foot holes

Foot holes

3

.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.

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 handle and valve cover of outdoor 
unit and then remove the handle 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 .

Fig.18

Fig.19

Fig.20

Fig.21

Fig.22

(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.

Note:

5. Connect Outdoor Electric Wire

(1) Remove the wire clip; connect the power connection wire 
and power card to the wiring terminal according to the color; fix 

them with screws.(As show in Fig.23)

(2) Fix the power connection wire with wire clip.

Hex nut diameter(mm) Tightening torque(N.m)

Φ6

15~20

Φ9.52

30~40

Φ12

45~55

Φ16

60~65

Φ19

70~75

Refer to the following table for wrench moment of force

:

Fig.23

Chassis

Outdoor drain joint

Drain hose

Drain vent

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)

Note: the wiring connect is for reference only,

 

please refer to the actual one.

Handle

blue

blue

black

(black)

brown

brown

yellow-

green

yellow-

green

1

;7

3(

32:(5

/

1

2 3 L N

Indoor unit connection

At least 3cm above the floor

Handle

Valve cover

Summary of Contents for OTEC ICHQ Series

Page 1: ...IEWQ ICHQ Series High Wall Inverter Installation Manual ...

Page 2: ... Maintenance 2 3 Installation 5 3 1 Installation Dimension Diagram 5 3 2 Installation Parts checking 7 3 3 Selection of Installation Location 7 3 4 Requirement For Electric Connection 7 3 5 Installation of Indoor Unit 7 3 6 Installation of Outdoor Unit 10 3 7 Vacuum Pumping and Leak Detection 11 3 8 Check after Installation and Test Operation 11 ...

Page 3: ...1 Technical Information 1 Summary Part Ⅰ Technical Information Indoor Unit Outdoor Unit IEWQ036J3A RWI100 ICHQ036J3A RLH100 Remote Controller ...

Page 4: ...ithout plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance should be more than 3mm 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the electric leakage 14 Replace the fuse with a new one of the ...

Page 5: ...ed 4 If there is refrigerant leakage please take sufficient measure to minimize the density of refrigerant 5 Never touch the refrigerant piping or compressor without wearing glove to avoid scald or frostbite Refrigerant Safety Precautions Improper installation may lead to fire hazard explosion electric shock or injury Installation Safety Precautions connection pipe is not yet connected air will be...

Page 6: ... 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Page 7: ...cm At least 15cm At least 250cm Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction A t l e a s t 3 0 0 c m At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm ...

Page 8: ...t Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it according to...

Page 9: ...ble Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution please do not use the fuse only for protect the circuit 1 Choosing Installation Iocation Recommend the installation location to the client and then confirm it with the client 2 Install Wall mounting Frame 1 Hang the wall mounting frame on the wall adjust it in horizonta...

Page 10: ...eter of Φ70mm on the selected outlet pipe position In order to drain smoothly slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Note Insulating pipe Torque wrench Open end wrench Indoor pipe Pipe Union nut Union nut Pipe joint Pipe Hex nut diameter mm Tightening torque N m Φ6 15 20 Φ9 52 30 40 Φ12 45 55 Φ16 60 65 Φ19 70 75 Refer to t...

Page 11: ...llation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull it out from the front side As show in Fig 12 3 Remove the wire clip co...

Page 12: ...show in Fig 20 4 Connect Indoor and Outdoor Pipes 1 Remove the screw on the handle and valve cover of outdoor unit and then remove the handle 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 Fig 18 Fig 19 Fig 20 Fig 21 Fig 22 1 After ...

Page 13: ...uldnt be higher than the outlet pipe hole of indoor unit As show in Fig 25 2 Slant the drain hose slightly downwards The drain hose Can t be curved raised and fluctuant etc As show in Fig 26 Note The drain hos can t raise upwards Fig 24 Fig 25 2 Test Operation 1 Preparation of test operation The client approves the air conditioner installation Specify the important notes for air conditioner to the...

Page 14: ...OMEGA IEWQ HQ High Wall Inverter Installation Manual IEWQ CHQ I3A IM1R0622 info otecomega com www otecomega com info otecomega com www otecomega com ...

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