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Installation Manual

17

ENGLISH

Installation

Outdoor

Align the center of the pipings and sufficiently
tighten the flare nut by hand.

Finally, tighten the flare nut with torque wrench
until the wrench clicks.

• When tightening the flare nut with torque

wrench, ensure the direction for tightening
follows the arrow on the wrench.

Gas side piping

Liquid side piping

Torque wrench

B-UNIT

A-UNIT

Outdoor unit

Outside diameter

Torque

mm

inch

kg.m

Ø6.35

1/4

1.8

Ø9.52

3/8

4.2

Ø12.7

1/2

5.5

Ø15.88

5/8

6.6

Ø19.05

3/4

6.6

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Содержание MS18AH.N50

Страница 1: ...ly before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly P NO 3828A20403C ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ...

Страница 2: ...purging 22 Test running 24 Combination indoor units 26 Max Combination Capacity 27 Four type A screws plastic anchors Connecting cable Installation guide map Pipes Gas side Liquid side Insulation materials Additional drain pipe Outer diameter 15 5mm Two type B screws Level gauge Screw driver Electric drill Hole core drill ø70mm Horizontal meter Flaring tool set Specified torque wrenches 1 8kg m 4 ...

Страница 3: ... Do not disassemble or repair the product Contact your dealer or service center Always earth the product It will cause fire or electric shock Do not handle the flamable gas or explosive materials near the product Otherwise it may cause fire or failure of product Do not install where flamable gas could leak Otherwise it may cause esplosion or fire Do not install the product on an defected installat...

Страница 4: ...on and repair of product Otherwise it may cause failure of product Install the drain hose to ensure that drain can be securely done Otherwise it may cause water leakage Keep the level even in installing the product Otherwise it may cause vibration or water leakage Do not install the product where the noise or hot wind from the outdoor unit could give any casualty to the neighborhood Otherwise it m...

Страница 5: ...air conditioner This symbol indicates special notes NOTICE Introduction Symbols used in this Manual Features Air Outlet Air Intake side rear Connection pipe Drain hose Connecting wire Control cover Air Intake Vents Air Outlet Vents Base Plate Base Plate Connection pipe Drain hose Connecting wire Control cover Air Inlet Air Filter Front Panel Signal Receptor ...

Страница 6: ... Type 2 Installation plate Installation plate Figure Figure Name Screw driver Electric drill Measuring tape Knife Hole core drill Spanner Torque wrench Ohmmeter Hexagonal wrench Ammeter Gas leak detector Thermometer Horizontal meter Flaring tool set Name Installation Parts Installation Tools Installation Read carefully and then follow step by step ...

Страница 7: ...e test To carry out the drainage test remove the air filters and pour water into the heat exchanger Saddle Gas side piping Optional Parts Liquid side piping Optional Parts Additional drain pipe Vinyl tape Narrow Drain Hose Base Plate Connecting cable Optional Parts Installation plate Sleeve Bushing Sleeve Putty Gum Type Sealer Bend the pipe as closely on the wall as possible but be careful that it...

Страница 8: ...ricted 2 Ensure that the space around the back and sides is more than 10cm The front of the unit should have more than 70cm of space 3 Do not place animals and plants in the path of the warm air 4 Take the weight of the air conditioner into account and select a place where noise and vibration are minimum 5 Select a place where the warm air and noise from the air conditioner do not disturb neighbor...

Страница 9: ...pacity Btu h Total Length Max Length A B Max Elevation h1 In In Elevation h2 7k 9k 12k 3 8 1 4 18k 24k 1 2 1 4 Capacity Btu h Pipe Size GAS LIQUID 40k 100 50 50 15 30 10 48k 110 50 60 15 30 10 56k 120 50 70 15 30 10 Capacity Btu h Total Length Max Main Pipe Length A B Total Branch Pipe Length Max Branch Pipe Length Max Elevation h1 In In Elevation h2 CAUTION Capacity is based on standard length an...

Страница 10: ...the walls typically Drilling the hole through the wall for piping connections must be done safely Fixing Installation Plate Chassis Hook Installation Plate Type A Installation plate Left rear piping Right rear piping Ø70mm Ø70mm D B A C Drill the piping hole with a ø70mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side Drill a...

Страница 11: ...pe tube 2 Put the end of the copper tube pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work 1 Firmly hold copper pipe in a die in the dimension shown in the table belo...

Страница 12: ... unit through the piping hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection later 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the uper side can cause drain pan to overflow inside the unit If the drain hose is routed inside the room insulate the hose with ...

Страница 13: ...Wrap the insulation material around the connecting portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there may be no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose together by wrapping them with vinyl tape for enough to cover whe...

Страница 14: ...en the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall Connecting the piping to the indoor unit and the drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When extending the drain hose at the indoor unit install the drain pipe For left rear piping Drain pipe ...

Страница 15: ... into the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Plastic band...

Страница 16: ...n Installation Information For left piping Follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from right to left may cause damage to the tubing ...

Страница 17: ...lare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Gas side piping Liquid side piping Torque wrench B UNIT A UNIT Outdoor unit Outside diameter Torque mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6 ...

Страница 18: ...ircuit diagram is not subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that not to be pulled out easily Provide a circuit breaker between power source and the unit as shown below The power cord connected to the outdoor unit should be complied with the following specifications Cable type approved by HAR or SAA The power connecting...

Страница 19: ... As for the method of wiring be guided by the circuit diagram posted on the inside of control cover 2 Firmly tighten the terminal screws to prevent them loosening After tightening pull the wires lightly to confirm that they do not move If they are loose the unit the unit will not operate normally or it can cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capaci...

Страница 20: ...hrough the drain hose of the indoor unit without any leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap Water leakage ...

Страница 21: ...talled above the Indoor unit perform the following 1 Tape the piping and connecting cable from down to up 2 Secure the taped piping along the exterior wall Form a trap to prevent water entering the room 3 Fix the piping onto the wall by saddle or equivalent 1 Open the top cover of outdoor unit 2 Select one of the two selectable modes as follows 3 Move the Slide swithc to LONG position 4 Close the ...

Страница 22: ...ure gauges and dry nitrogen gas cylinder to this service port with charge hoses Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 150 P S I G Next test f...

Страница 23: ...d stop the vacuum pump Finishing the job 1 With a service valve wrench turn the valve stem of liquid side valve counter clockwise to fully open the valve 2 Turn the valve stem of gas side valve counter clockwise to fully open the valve 3 Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose 4 Replace the flare nut and its bonnet on the ...

Страница 24: ...oof or rooftop anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake 3 If the vibration of the unit is transmitted to the hose secure the unit with an anti vibration rubber Evaluation of the performance Operate the unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side service valve 2 Measure the temperat...

Страница 25: ...of refrigerant Be sure to perform Pump Down procedure in the cooling mode Pump Down Procedure 1 Connect a low pressure gauge manifold hose to the charge port on the gas side service valve 2 Open the gas side service valve halfway and purge the air in the manifold hose using the refrigerant 3 Close the liquid side service valve all the way 4 Turn on the unit s operating switch and start the cooling...

Страница 26: ...d Cassete Type 4Way Ceilling concealed Duct High Static Ceilling concealed Duct Low Static Ceilling concealed Duct Built In Convertible Type 1 The total capacity in kBtu h unit of connected indoor unit models represents the total sum of the figures expressed in the indoor model name 2 Combinations in which the total capacity of the connected indoor units exceeds the capacity of the outdoor unit wi...

Страница 27: ...hat the sum of indoor unit capacity index must be smaller than the maximum combination capacity of outdoor unit We recommend to calculate indoor unit capacity like below If you do not follow our recommendation it will have some problems in low ambient condition i e some indoor unit will not be able to heat very well in heating mode CALCULATION METHOD FOR THE CONNECTABLE TOTAL CAPACITY OF INDOOR UN...

Страница 28: ......

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