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WARNING

Hazard of Explosion!

Never use an open flame to detect gas leaks. Explosive conditions may occur. Use a 
leak test solution or other approved methods for leak testing. Failure to follow 
recommended safe leak test procedures could result in death or serious injury or 
equipment or property

WARNING

Hazard of Explosion!

Use only dry nitrogen with a pressure regulator for pressurizing unit. Do not use 
acetylene, oxygen or compressed air or mixtures containing them for pressure testing. 
Do not use mixtures of a hydrogen containing refrigerant and air above atmospheric 
pressure for pressure testing as they may become flammable and could result in an 
explosion. Refrigerant, when used as a trace gas should only be mixed with dry 
nitrogen for pressurizing units. Failure to follow these recommendations could result in 
death or serious injury or equipment or property damage.

After the installation of refrigerant lines to both the outdoor and indoor units are completed, the 
flare connections must be checked for leaks. Pressurize through the service valve ports, the indoor 
unit and field refrigerant lines with dry nitrogen to 

psi. Use soap bubbles or other leak-

checking methods to see that all flares are leak-free!  If not, release pressure; then repair!

SYSTEM EVACUATION

Note:

Since the oudoor unit has a refrigerant charge, the gas and liquid line valves must remain 
closed.

1.

Upon completion of leak check, evacuate the refrigerant lines and indoor coil before opening 
the gas and liquid line valves.

2.

Attach appropriate hoses from manifold gauge to gas and liquid line pressure taps.

3.

Attach center hose of manifold gauges to vacuum pump.

4.

Evacuate until the micron gauge reads no higher than 350 microns.

5.

Close off valve to vacuum pump and observe the micron gauge. If gauge pressure rises 
above 500 microns in one (1) minute, then evacuation is incomplete or system has a leak.

6.

If vacuum gauge does not rise above 500 microns in one (1) minute, the evacuation should be 
complete.

7.

Blank off vacuum pump and micron gauge, close valves on manifold gauge set.

Note:

DO NOT VENT REFRIGERANT INTO THE ATMOSPHERE. 

8.

The liquid line shut-off valve can now be opened. Remove shut-off-valve cap. Fully insert hex 
wrench into the stem and backout counterclockwise open.

Vacuum Pump and Leak Inspection

MS-SVN22A-EN

150

damage.

Содержание 4MXW6-A

Страница 1: ... QVWDOOHU V 0DQXDO September 2013 06 691 1 16 SEER Inverter System 4 4MYW6 A 4MXW6 A 4TYK6 A 4TXK6 A ...

Страница 2: ...in death or serious injury WARNING Electrocution and Fire Hazards with Improperly Installed and Grounded Field Wiring Improperly installed and grounded field wiring poses FIRE ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in the National Electrical Codes NEC and your local state electrical codes All field wiring M...

Страница 3: ... DAFNE HERMETIC OIL FV50S for servicing these units Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine Fluorine and Carbon CFCs and th...

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Страница 5: ...rant provided by the manufacturer comply with all the requirements for our units When using a recycled or reprocessed refrigerant we recommend its qualities be as good as those of a new refrigerant It is necessary to have the refrigerant tested by a qualified laboratory Failure to do so could void the warranty Important These instructions do not cover all variations in systems nor do they provide ...

Страница 6: ...6 ft 2 Active air filters Washable plastic filters One active carbon filter One catechin filter Sold Separately ...

Страница 7: ... Sold Separately ...

Страница 8: ... location from which noise and air discharge by unit will not annoy neighbors 2 Select a location where there is sufficient ventilation 3 Make sure the air inlet and outlet are not blocked by any obstacles 4 Select a location capable of supporting the weight and vibration of the outdoor unit and where installation work can be carried out safely 5 Select a location away from flammable gas or gas le...

Страница 9: ...wall Air outlet side Space to the floor Above Above 5 9 in Above 5 9 in Above 11 8in Above 19 7 in Above 19 7 in Above 11 8 in Above 78 7in Above Above Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures 5 9 in 66 in 118 1 in 9 MS ...

Страница 10: ...omponents perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury Mounting Location 1 Always mount the rear panel horizontally 2 Fix the rear panel on the selected location 3 Be sure that the rear panel has been fixed firmly enough to withstand the weight thermore the weight should be evenly shared by each screw Drilling a hole ...

Страница 11: ...the drain hose and make sure the ends of the drain pipe are not under water Failure to do so could result in leakage 1 To ensure proper water drainage the drain hose should be placed at a downward slant 2 The water drain pipe must be insulated throughout the house Installing the unit Note The piping can be lead out from right right rear left left rear 1 When routing the piping and wiring from the ...

Страница 12: ...iping flare with the relevant valve 2 Screw in the flare nut by hand and then tighten the nut with spanner and torque wrench refer to the following Note Table 2 Tightening Torque Table Hex nut Diameter Tightening torque lbf inch 6mm 1 4 133 177 9 5mm 3 8 274 310 12mm 1 2 443 487 16mm 5 8 531 575 MS SVN22A EN to avoid leakage do not over tighten the joint nut First connect the connection pipe to in...

Страница 13: ... attach power wiring co block Attach the power wiring cord clamp to attach has been attached should match that of the indoor unit Open the front panel of the indoor unit by lifting upward Unscrew and remove the cover plate Pull the power connection cable through the back of the indoor unit Firmly attach the power connection cables to the terminal block in the indoor unit making certain to observe ...

Страница 14: ...lve ports the indoor unit and field refrigerant lines with dry nitrogen to psi Use soap bubbles or other leak checking methods to see that all flares are leak free If not release pressure then repair SYSTEM EVACUATION Note Since the oudoor unit has a refrigerant charge the gas and liquid line valves must remain closed 1 Upon completion of leak check evacuate the refrigerant lines and indoor coil b...

Страница 15: ...frosting water can be drained out reliably through the drain hose Installation Figure 1 Vacuum Pump and Leak inspection MS SVN22A EN kit twenty five ft it will be necessary to adjust system re Install the outdoor drain kit in a hole 1 inch on the base plate and joint the drain hose to the kit so that the wastewater formed in the outdoor unit can be drained out to the proper place In applications w...

Страница 16: ...frequency of the compressor automatically according to the change of ambient temperature Protection function Antifreezing protection Under cooling and drying mode after the compressor run about 10 mins when the pipe temp of the evaporator is to low the compressor will stop the outdoor fan will stop after 30s under cooling mode the indoor fan and swing motor will keep running in the original mode u...

Страница 17: ...the same with that in COOL mode HEAT mode The condition and process of heating If T amb HEAT mode will act the compressor outdoor fan and 4 way valve will run simultaneously the indoor fan will delay at most for 2min to run If T set unit will keep running in the original mode If T amb he compressor will stop the outdoor fan will delay 30 sec to stop and the indoor fan will blow for 60 sec at the o...

Страница 18: ...oor fan will delay 30 seconds to stop FAN mode In this mode the indoor fan will run the fan in High Med Low and Auto mode The compressor outdoor fan and four way valve will stop In this mode the temperature setting ra The unit will adjust the running frequency of the compressor automatically according to the change of ambient temperature AUTO mode In this mode the system selects COOL HEAT and FAN ...

Страница 19: ...d Tset will be increased by another 1ºC af ter 2 hours Tset has b in two hours Then the unit will run at this set temperature and at the set speed When the air conditioner is in HEAT mode after Sleep mode has been set properly the preset Tset will be decreased after the sleep program has run for 1 hour and Tset will be decreased by ter 2 hours otally in two hours Then the unit will run at this set...

Страница 20: ...uide louver stays at D1 when in swinging state it will swing between L1 and D1 position When the unit is turned off it will turn back to 0 position Buzzer control When the unit is power on or receives remote control signal or the auto key be pressed the buzzer will give out a beep Power off memory function Contents of memory Mode Swing Set fan speed Set temperature Timing etc Under turn on state w...

Страница 21: ... status Communication malfunction When not receiving correct signal for 3 minutes the unit has communication malfunction and the outdoor unit stops it is the same as normal stop when meeting the set temp Module protection When module is in protection the compressor will stop after the compressor has stopped for 3 minutes it will resume to running During module protection period the indoor unit dis...

Страница 22: ...4TXK6509A1 4TXK6512A1 4TXK6518A1 4TXK6524A1 26 1 35 3 45 8 54 7 25 25 25 25 0 2 0 2 0 2 0 2 Liquid Pipe inch 1 4 1 4 1 4 1 4 Gas Pipe inch 3 8 3 8 1 2 1 2 Height ft Length ft Heat pump Connection Pipe Refrigerant Charge oz Length ft Gas additional charge oz ft Outer Diameter Max Distance Gas additional charge oz ft Outer Diameter Max Distance Connection Pipe Cooling only Refrigerant Charge oz Leng...

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Страница 24: ...MS SVN22A EN 24 Figure 2 4MYW6518A1 4MYW6524A1 Cooling only indoor units 4MXW6524A1 Heat pump indoor units Figure 3 4MXW6518A1 Heat pump indoor units ...

Страница 25: ...Figure 5 4TXK6509A1 4TXK6512A1 Heat pump outdoor units MS SVN22A EN 25 Figure 4 4TYK6509A1 4TYK6512A1 Cooling only outdoor units ...

Страница 26: ...Figure 6 4TYK6518A1 4TYK6524A1 Cooling only outdoor units MS SVN22A EN 26 Figure 7 4YXK6518A1 4TXK6524A1 Heat pump outdoor unit ...

Страница 27: ......

Страница 28: ... policy of continuous product and product data improvement and reserves the right to change design and specifications without notice Only qualified technicians should perform the installation and servicing of equipment referred to in this manual 66129912207 CONFORMS TO UL STD 1995 CERTIFIED TO CSA STD C22 2 N0 236 3097844 Intertek ...

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