background image

Indoor Unit 

Installation

Fig. 4.10

Step 3: Duct and accessories installation

NOTE: 

1. Do not place the connecting duct

weight on the indoor unit.

   

2. When connecting the duct, use an

    nonflammable canvas tie-in to prevent 

    vibrating.

3. Insulation foam must be wrapped outside the

    duct to avoid condensate. An internal duct

    underlayer can be added to reduce noise,

    if the end-user requires.

1. Install the filter (optional) according to the size

of the air inlet.

5. Refer to the following static pressure guidelines

when installing the indoor unit.

Change the fan motor static pressure 

according to external duct static pressure.

2. Install the canvas tie-in between the body and

the duct.

3. The air inlet and air outlet duct should be far

enough apart enough to a avoid air passage

short-circuit.

4. Connect the duct according to the following

diagram:

Canvas tie-in Canvas tie-in

Air outlet

Isolation booth

Isolation booth

checking orifice

Air inlet

Air dust filter

Table.4-2

MODEL

(Btu/h)

Static Pressure

(Pa/in.wg)

0~100/0~0.4

18K

0~160/0~0.64

24K

0~160/0~0.64

30K~36K

0~160/0~0.64

42K~60K

0~50/0~0.2

9K

0~50/0~0.2

12K

Cut off the roof beam.
Strengthen the point at which the cut

was made. Consolidate the roof beam.

Fig. 4.9

Screw nut 

Washer

Hanging screw bolt

Overhang part

Shockproof cushion

NOTE:

 Confirm the minimum drain tilt is 1/100 

or more.

 CAUTION

The unit body must be completely aligned with

the hole. Ensure that the unit and the hole are

the same size before moving on.

2.

 

Install and fit pipes and wires after you have

finished installing the main body.When

choosing where to start, determine the

direction of the pipes to be drawn out.

Especially in cases where there is a ceiling

involved, align the refrigerant pipes, drain

pipes, and indoor and outdoor lines with their

connection points before mounting the unit.

3.

 

Install hanging screw bolts.

4.

 

After you select an installation location,align

the refrigerant pipes, drain pipes, as well as

indoor and outdoor wires with their

connection points before mounting the unit.

5.

 

Drill 4 holes 10cm (4”) deep at the ceiling 

hook positions in the internal ceiling. Be sure 

to hold the drill at a 90° angle to the ceiling.  

6.

 

Secure the bolt using the washers and nuts

provided.

7.

 

Install the four suspension bolts.

8.

 

Mount the indoor unit with at least two

people to lift and secure it. Insert suspension

bolts into the unit’s hanging holes. Fasten

them using the washers and nuts provided.

(See Fig. 4.8).   

9. Mount the indoor unit onto the hanging

screw bolts with a block. Position the

indoor unit flat using a level indicator to

prevent leaks. (See Fig. 4.9).   

Fig. 4.8

 Page 11 

Содержание MTIU-09HWFNX-QRD0W

Страница 1: ...TYPE AIR CONDITIONER Installation Manual Middle Static Pressure Duct Type IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this...

Страница 2: ......

Страница 3: ...door Unit Installation 13 a Outdoor Unit Installation Instructions 13 b Outdoor Unit Types and Specifications 14 c Notes on Drilling Hole in Wall 15 Drainpipe Installation 16 Table of Contents Install...

Страница 4: ...n 18 B Refrigerant Piping Connection Instructions 20 Wiring 23 a Outdoor Unit Wiring 23 b Indoor Unit Wiring 24 c Power Specifications 26 Air Evacuation 28 a Evacuation Instructions 28 b Note on Addin...

Страница 5: ...12 7 Packed with the indoor unit used for multi type models only NOTE Pipe size may differ from appliance to appliance To meet different pipe size requirements sometimes the pipe connections need a t...

Страница 6: ...ffect your unit and locate it accordingly Failure to do so could cause the equipment to fail After installation ensure there are no refrigerant leaks and that the unit is operating properly Refrigeran...

Страница 7: ...MC MC 6 7 Install the indoor unit Page 8 INSTALLATION ORDER Install the outdoor unit Page 13 Install the drainpipe Page 15 Evacuate the refrigeration system Page 28 Connect the wires Page 23 Connect...

Страница 8: ...n a location that meets the following requirements Enough room for installation and maintenance Enough room for the connecting pipe and drainpipe The ceiling is horizontal and its structure can sustai...

Страница 9: ...e sure to mark the paces where you will drill ceiling hook holes Maintenance space Installation place Left side Right side Strong and durable ceiling Indoor unit 4in 10cm 11 8in 30cm 0 8in 2cm 0 8in 2...

Страница 10: ...8 8 1101 43 3 508 20 598 23 5 598 23 5 697 27 4 9K 12K 200 7 9 506 19 9 700 27 6 152 6 537 21 1 450 17 7 186 7 3 741 29 2 599 23 6 360 14 2 Indoor Unit Installation Fig 4 6 Fig 4 7 Original concrete b...

Страница 11: ...m Fig 4 9 Screw nut Washer Hanging screw bolt Overhang part Shockproof cushion NOTE Confirm the minimum drain tilt is 1 100 or more CAUTION The unit body must be completely aligned with the hole Ensur...

Страница 12: ...have purchased may be slightly different in design though similar in shape Step 5 Fresh air duct installation Dimension Duct joint for fresh air 125mm 4 92 160mm 6 3 MODLE 18 60 Step 6 Motor and drai...

Страница 13: ...door unit may not exceed the maximum allowable pipe length If possible DO NOT install the unit where it is exposed to direct sunlight If possible make sure the unit is located far away from your neigh...

Страница 14: ...5 7 5 8 5 9 and Table 5 2 Fig 5 7 Fig 5 8 Fig 5 9 Fig 5 6 Fig 5 5 A B D W H W H Fig 5 4 Outdoor Unit Dimensions W x H x D Mounting Dimensions Distance A Distance B 770x555x300 30 3x21 85x11 81 487 19...

Страница 15: ...protects the edges of the hole and will help seal it when you finish the installation process Outdoor Unit Installation Fig 5 11 L H 300 cm 118 or more A 60 cm 23 6 or more 150 cm 59 or more 25 cm 9 8...

Страница 16: ...ondensation which could lead to water damage If the drainpipe is bent or installed incorrectly water may leak and cause a water level switch malfunction In HEAT mode the outdoor unit will discharge wa...

Страница 17: ...roper water drainage See Fig 6 5 Place the protective wall cuff in the hole This protects the edges of the hole and will help seal it once you finish installation Wall Indoor Outdoor 12mm 0 5 inch Fig...

Страница 18: ...Notes On Pipe Length and Elevation Ensure that the length of the refrigerant pipe the number of bends and the drop height between the indoor and outdoor units meets the requirements shown in Table 7 1...

Страница 19: ...the rising gas piping can prevent this CAUTION The indoor unit is installed higher than the outdoor unit If the outdoor unit is installed higher than the indoor unit It is recommended that vertical su...

Страница 20: ...quid side 12 7 0 5 15 9 0 626 15 9 0 626 6 35 0 25 9 5 0 375 9 5 0 375 18K 24K 30K Size of joint pipes for 410A indoor unit Table 7 3 CE FQZHN 01C CE FQZHN 01C CE FQZHN 01C Available branching pipe Si...

Страница 21: ...f the pipe for cracks and even flaring Step 4 Connect pipes Connect the copper pipes to the indoor unit first then connect it to the outdoor unit You should first connect the low pressure pipe then th...

Страница 22: ...pper pipes to the indoor unit wrap the power cable signal cable and the piping together with binding tape NOTE DO NOT intertwine signal cable with other wires While bundling these items together do no...

Страница 23: ...made through a switch that disconnects all poles with contact gap of at least 3mm 0 118 DO NOT modify the length of the power cord or use an extension cord CAUTION Connect the outdoor wires before co...

Страница 24: ...l parts 6 Reinstall the cover of the electric control box Indoor Unit Wiring 1 Prepare the cable for connection a Using wire strippers strip the rubber jacket from both ends of the signal cable to rev...

Страница 25: ...h the designed airflow rate Make sure the unit is in FAN ONLY mode Press and set the airflow adjustment button on the remote control to change the airflow rate from H or L 4 Set the parameters for aut...

Страница 26: ...PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase VOLT 208 240V 208 240V 208 240V 208 240V 208 240V CIRCUIT BREAKER FUSE A 25 20 32 25 50 40 70 55 70 60 MODEL Btu h 36K 37K 60K 36K 37K 60K POWER PHASE 3 P...

Страница 27: ...WER indoor PHASE 1 Phase 1 Phase 1 Phase 1 Phase VOLT 208 240V 208 240V 208 240V 208 240V CIRCUIT BREAKER FUSE A 15 10 15 10 15 10 15 10 POWER outdoor PHASE 3 Phase 3 Phase 3 Phase 3 Phase VOLT 380 42...

Страница 28: ...f the manifold gauge Keep the High Pressure side closed 4 Turn on the vacuum pump to evacuate the system 5 Run the vacuum for at least 15 minutes or until the Compound Meter reads 76cmHG 1x105Pa 6 Clo...

Страница 29: ...additional refrigerant to be charged can be calculated using the following formula Liquid Side Diameter 6 35 1 4 9 52 3 8 12 7 1 2 R22 orifice tube in the indoor unit Total pipe length standard pipe...

Страница 30: ...correctly d Ensure the indicators on the remote control and the display panel on the indoor unit work properly e Ensure the manual buttons on the indoor unit works properly f Check to see that the dra...

Страница 31: ...QC5 Outdoor Unit MOT4V 36CN1 QC5 shall be connected only to a supply of the system impedance Zsys 0 024 or less Before connecting the product to public power network please consult your local power s...

Страница 32: ...he design and specifications are subject to change without prior notice for product improvement Consult with the sales agency or manufacturer for details QST2I 045AEN I 16123000000713 20171121 Page 32...

Страница 33: ...1 E 105g 2 210 297mm 3 4 5...

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