Heating Capacity

3.10-3.15

Moisture Removal

Power Source

Phase V Cycle

Single 220-230 50

Airflow Method

OUTLET INTAKE

SIDE VIEW

TOP VIEW

Air Circulation

Indoor air (low)

m3/min

Cooling: 6.79 Heating: 6.86

Indoor air (medium)

Cooling: 7.84 Heating: 7.93

Indoor air (high)

Cooling: 8.9 Heating: 9.0

Outdoor air

Noise Level
Cooling: High38, Low29 Heating: High38, Low29
Cooling: High47 Heating: High48

Electrical Data

Cooling: 940-985 Heating: 800-830

Running Current

Cooling: 4.40-4.34 Heating: 3.75-3.70 Cooling: 2.87-2.79 Heating: 3.88-3.G: half union 3/8" G: 3-way valve 3/8" L: half union 1/4" L: 2-way valve 1/4" G: gad side 3/8" G: gas side 3/8" L: liquid side 1/4" L: liquid side 1/4" 12 0.6 1.core-wire/1.5mm 245 9.0 31.0
EER COP Starting Current Piping Connection Port (Flare piping) Piping Size (Flare piping) Drain Hose
W/W A Inch Inch Inch Inch mm m m mm mm mm kg
Inner diameter Length Power Supply Cord Length (Number of core-wire) Dimensions Height Width Depth

Net Weight

Unit Compressor Motor Air Circulation Type Type Rated Output Type Motor Type Input Rate Output Fan Speed Low Medium High Discription Tube Material Fin Type Rows / Stage

W W rpm rpm rpm

Heat Exchanger
FPI Dimensions Refrigerant Control Device Refrigeration Oil Refrigerant (R-22) Thermostat Protection Device Capillary

mm (c.c) g

Length Circulation Inner dia

mm L/min mm

Air Filter Refrigerant Circulation Control Device Compressor Capacitor Fan Motor Capacitor
CU-SA9CKP5 Rotary(1 cylinder) Rolling piston type Induction(2 pole) 750 Cross-flow Fan Propeller fan Induction (4 pole) Induction (6 pole) 58.705 Evaporator Condenser copper copper slot type Corrugation type (Plate fin configuration, forced draft) 25.4 706.2 482.Capillary Tube SUNISO 4GDID or ATMOS M60 (350) 840 Electronic Control Overload Protector Cooling: 470, Heating: 1160 Cooling: 13.4, Heating: 4.5 Cooling:1.5, Heating: 1.2 P.P Honeycomb Capillary 25F, 370V 1.2F, 400V

CS-SA9CKP

Specifications are subject to change without notice for further improvement The amount of refrigerant (60g) for air purging not included

Unit Cooling Capacity kW

CS-SA12CKP 3.35-3.40

CU-SA12CKP5

4.00-4.05

Single 220 - 230 50

Cooling: 7.43 heating: 7.92
Cooling: 8.27 heating: 8.81
Cooling: 9.1 heating: 9.7
Cooling: High39, Low32 Heating: High39, Low32
Cooling: High49 Heating: High49

Cooling: 1230-1250 Heating: 1100-1130
Cooling: 5.75-5.60 Heating: 5.15-5.05 Cooling: 2.72-2.72 Heating: 3.64-3.G: half union 1/2" G: 3-way valve 1/2" L: half union 1/4" L: 2-way valve 1/4" G: gad side 1/2" G: gas side 1/2" L: liquid side 1/4" L: liquid side 1/4" 12 0.6 2.core-wire/1.5mm 289 9.0 38.0 Rotary(1 cylinder) Rolling piston type Induction(2 pole) 1,100
EER COP Starting Current Piping Connection Port (Flare piping) Piping Size (Flare piping) Drain Inner diameter Hose Length Power Supply Cord Length (Number of core-wire) Dimensions Height Width Depth Net Weight Compressor Type Motor Type Rated Output
Unit Air Circulation Type Motor Type Input Rate Output Fan Speed Low Medium High Discription Tube Material Fin Type Rows / Stage
CS-SA12CKP CU-SA12CKP5 Cross-flow Fan Propeller fan Induction (4 pole) Induction (6 pole) 58.750 Evaporator Condenser copper copper slot type Corrugation type (Plate fin configuration, forced draft) 25.4 706.2 482.Capillary Tube SUNISO 4GDID or ATMOS M60 (350) 940 Electronic Control Overload Protector Cooling: 470, Heating: 1160 Cooling: 13.4, Heating: 4.5 Cooling: 1.5, Heating: 1.2 P.P Honeycomb Capillary 30F, 370V 1.5F, 400V 1.8F, 400V

3 Dimensions

4 Refrigeration Cycle Diagram

5 Block Diagram

6 Wiring Diagram

7 Operation Details

7.1. Cooling Mode Operation
When selecting the Cooling Mode Operation, the unit will operate according to the setting by the Remote Controller and the operation is as the following. Time Delay Safety Control 3 min. ---- The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle. (Protection of compressor).
Automatic Restarting Control 7 min. ---- The unit will automatically operate in 7 minutes even if the room temperature is not reached. (Prevention of raising the humidity)
Anti-freezing Control If temperature of evaporator is lower than 2C continuously for 4 minutes, the compressor ill cease to prevent the evaporator from freezing. Fan speed setting will not be changed. When temperature of compressor will restart. evaporator reaches 10C,
During Cooling Mode Operation, the Time Delay Safety Control is available.
Compressor Protection Control If the outdoor fan motor does not run 50 seconds after the compressor starts, the compressor will cease and restart in 3 minutes.(Time Delay Safety Control is effective.)

If this symptom occurs repeatedly 3 times, the compressor will stop. If the operation mode changed or the unit turned off by remote controller, Compressor Protection Control will be reset. Anti-reversing Control If the compressor has been continuously running for 5 minutes, and the difference of temperature between intake air and evaporator is continuously lower than 2.5C or below for 2 minutes, the compressor is ceased for 3 minutes then restarts. (Time Delay Protection Control is effective.)
Automatic Fan Speed Mode During Cooling Mode Operation, use remote controller to select Automatic Fan Speed. Fan speed will be at the point between "high speed" and "medium speed". Deodorization control.
Time Graph for cooling Operation

Soft Dry Mode Operation

When selecting Soft Dry mode operation, the operation will be cooling untill the room temperature reaches the set temp on the remote control, and then Soft Dry will be actived. (During Soft Dry Mode the fan of indoor unit will operate at super low speed.) Once soft Dry mode operation is turned off, indoor fan, compressor and outdoor fan will stop for 6 minutes. Time Delay Safety Protection During cooling mode operation, if the compressor ceased, it will not restart within 3 minutes.
Anti Freezing Control Same as the denotation in Cooling Operation. (P.14) (During Soft Dry Mode Operation, compressor will stop for at least 6 min.)
Compressor Protection Control Same as the denotation in Cooling Operation. (P.14)
Anti-reverse Control Same as the denotation in Cooling Operation. (P.14)
Automatic Fan Speed During Soft Dry Operation, use remote controller to select Auto Fan Speed mode. Indoor Fan Speed is at super low. Deodorization control.
Time Graph for soft dry operation

Heating Mode Operation

When selecting heating mode operation, the unit will operate according to the setting by the remote controller. Time Delay Safety Protection Control If the compressor stopped by switching off,turning off by remote controller, or power off, it will not restart within 3 minutes. When room temperature reaches the set temperature on the remote controller, compressor stops and will not restart within 4 minutes. 3 minutes after the compressor stopped, indoor fan will stop for 1 minute. Then indoor fan will resume operation with the speed at "super low". Overload Protection Control When temperature of indoor heat exchanger rises to 51C, outdoor fan will stop when temperature of indoor heat exchanger falls to 49C, outdoor fan will restart. When temperature of indoor heat exchanger rises to 65C or above, compressor stops, and will restart 4 minutes later.

Compressor Protection Control Same as the denotation in Cooling Operation.(P.14) Anti-Reversing Protection If the compressor has been running for 5 minutes, but the difference of temperature between intake air and indoor heat exchanger is continuously lower than 5C or below for 2 minutes, compressor will stop and resume operation in 4 minutes.
4-way Valve Control During heating mode operation, 4-way valve is at "open" mode. During heating mode operation, if the unit turned off , the 4-way valve will remain at "open" mode for 5 minutes.
Warm booting control When turning on the unit by heating mode operation, indoor fan will be activated when temperature of indoor heat exchanger reaches 30C. Warm boot operation ends when temperature of indoor heat exchanger reaches 34 C. During warm booting or within 3 minutes after the ending the Ry-C will not turn off.
Automatic Fan mode operation When selecting automatic fan mode by remote controller during heating mode operation, the fan will operate at different speed under different conditiors according to the temperature of indoor heat exchanger.
Time graph for heating mode operation
Deice Control Deice operation is to protect the outdoor unit from freezing.
Normal Deice Operation Decing starts 30 minutes after heating mode operation or 60 minutes after the latest decing operation. If temperature of outdoor piping, tested by TRS, falls to 3C (TRS OFF)or below for continuously 50 seconds, deicing operation starts.
Overload Deicing Operation During heating operation, if the accumulative stopping time of outdoor fan reaches 60 minutes, deicing operation will start 1 minute after compressor starts.
Deicing operation ends under conditions below 1. After 12 minutes. 2. Temperature of outdoor unit rises to 4C. 3. Because of time delay (Td), deicing operation will not end immediately.
Once deicing starts, it will not end within 60 seconds.
When deicing operation ends, compressor will stop for 30 seconds, and 4-way valve remains at cooling mode operation for 10 seconds.
Time Graph for Normal Deicing Operation
Time Graph for Overload Deicing

Automatic Mode Operation

Standard for determining operation mode

First Determination:

Second Determination: One hour after the above determination, the unit will operate according to the table below.
1. Indoor fan operates at super low speed for 20 seconds. 2. After judging indoor air temperature, the operation is determined and operation continued at the mode determined. 3. If indoor temperature is less than 16C, heating operation will immediately operate. 4. After the operation mode has been determined, the mode does not change. However, Soft Dry mode operation induces cooling mode operation. 5. If automatic mode operation is started while the unit is operating, operation will continue. If current operation is in cooling mode (including the cooling mode operation when is a part of Soft Dry mode operation) it will be maintained, and if current operation is not cooling mode, the appropriate operation mode is determined for 20 seconds at super slow fan speed. Then the selected mode will continue. 6. Room temperature adjustment

SELECT THE BEST LOCATION INDOOR UNIT There should not be any heat source or steam near the unit. There should not be and obstacles blocking the air circulation. A place where air circulation in the room is good. A place where drainage can be easily done. A place where noise prevention is taken into consideration. Do not install the unit near the door way. Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles. Recommended installation height for indoor unit shall be at least 2.3m. OUTDOOR UNIT If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the condenser is not obstructed. There should not be any animal or plant which could be affected by hot air discharged. Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles. Do not place any obstacles which may cause a short circuit of the discharged air. If piping length is over the common length, additional refrigerant should be added as shown in the table.

Outline of installation

Installation works Installation parts Required tools
1. Installation of indoor, outdoor unit 1) Selet the best location.P.28 2) Indoor unit installation.P.29
Installation plate 4 wooden screws 4 anchor bolts

G G G G

A level gauge Philips screw driver Electric drill hole coredrill (70mm) Side cutter or electrical pliers
2. Piping and drainage of indoor unit 1) Prepare of piping.P.30 2) Connection of piping.P.31 For the right piping.P.31 For the left piping.P.32
Pipes: Gas side. 1/2" Gas side.3/8" Liquid side..1/4" Insulated drain hose Insulation materials
Flaring tools set Specified torque wrenches 18N.m.Liquid side piping 42N.m.Gas side piping 55N.m.Gas side piping Spanner.Half union
3. In case of Embedded Piping For the embedded piping.P.34
4. Connecting piping and cable to the outdoor unit 1) Connecting the piping to the outdoor unit.P.35 2) Connecting the cable.P.35
Additional drain hose (Outer diameter.1.55mm) Connecting cable (5-core wire/1.5mm 2) Locally approved cable

(If mounting the unit on the concrete wall, consider using anchor bolts.) Always mount the installation plate horizontally by aligning the mark-off line with the thread and use a level gauge.

8.3.2.2.

Drill the piping hole with 70mm hole-core drill.
Line according to the arrows marked on the lower left and right side of the installation plate.
To drill a hole in the wall and install a sleeve for tube assiy Drill a 70mm hole sloping downward toward the outside of the wall. Insert the sleeve for tube assiy through the hole. Fix the bushing to the sleeve. Extrude 15mm of the sleeve then cut. Caution
When the wall is horrow, please be sure to use the sleeve for tube assy to prevent dangers caused by mice biting the connecting cable.
Finish by sealing the sleeve with putty or caulking compound at the final stage.

8.4.1. 8.4.1.1.

Piping and drainage of indoor unit
Preparation of piping Cut the pipes and the cable 8.4.1.3. Flaring the pipe
Insert the flare nuts, mounted on the connection ports of both indoor and outdoor unit, onto the copper pipes. Fit the copper pipe end into the bar of flare tool about 0.51.5mm higher. (see Fig.A) Flare the pipe ends.
Use the accessory piping kit or pipes purchase locally. Measure the distance between the indoor and the outdoor unit. Cut the pipes a little longer the measured distance. Cut the cable a 1.5m longer than the pipe lengh.
Fig.A Model CS-SA9CKP/ CUSA9CKP5 CS-SA12CKP/ CUSA12CKP5 Gas side 3/8" 1/2" Pipe size Liquid side 1/4" 1/4"

8.4.1.4.

Tape the flaring portion to protect it from dust or damage.

8.4.1.2.

Remove burrs
Remove burrs from cut edges of pipes. Turn the pipe end down to avoid the metal powder entering the pipe. Caution
If burrs are not removed, the may cause a gas leakage

8.4.2.

Connection of piping
Remove the indoor piping Pull the tube out of chasis.

For the right piping 1. Pull the tube out of chassis. 2. Insert the tube and drain hose into the hole. 3. Insert the connecting cable into the indoor unit through the hole. Do not connect the unit to power supply. Make a small loop with the cable for easy connection later. 4. Tape the tube, drain hose and cable.
5. Indoor unit installation Hook the indoor unit onto the upper portion of installation plate. (Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure the hooks are properly seated on the installation plate by moving it left and right.
6. Connecting the piping to the indoor unit Align the center of the piping and sufficiently tighten the flare nut with fingers. Finally, tighten the flare nut with torgue wrench until the wrench clicks. When tightening the flare nut with torque wrench, ensure the direction for tightening follows arrow on the wrench.
Model CS-SA9CKP/ CU-SA9CKP5 CS-SA12CKP CU-SA12CKP5 CS-SA9CKP/ CUSA9CKP5 Piping side Liquid side 1/4" Torque 18N.n

Gas side 3/8"

Model CS-SA12CKP CU-SA12CKP5
Piping side Gas side 1/2"

Torque 55N.n

3. Insert the connecting cable into the connecting cable Do not connect the cable to the indoor unit. Make a small loop with the cable for easy con nection.
For the left side piping 1. Route the indoor tubing with the drain hose to the hole. Pull out the drain hose. Exchange the hose and cap.
2. Insert the piping and connecting cable to indoor side through the hole.
4. Indoor unit installation Hook the indoor unit onto the upper portion of installation plate. (Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure the hooks are properly seated on the installation plate by moving it left and right.
7. Tape the piping, drain hose and connecting cable.
5. Connecting the piping to the indoor unit Align the center of the piping and sufficiently tighten the flare nut with fingers. 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 arrow on the wrench.
Model CS-SA9CKP/ CU-SACKP5 CS-SA12CKP5/ CU-SA12CKP5 CS-SA9CKP/ CU-SACKP5 CS-SA12CKP5/ CU-SA12CKP5 Piping side Liquid side 1/4" Torque 18N.m
Gas side 3/8" Gas side 1/2"

42N.m 55N.m

6. Set the piping and the connecting cable to the back of chassis with the clamping cover.
In case of embedded Piping

8.5.6.

Connecting the piping
For the embedded piping Follow the same procedure for left rear and left piping.
Refer to the section "connecting the piping" in the directions for the indoor unit. (Connecting the piping to the outdoor unit and checking the gas leakage.)

8.5.1.

Replace the drain hose

8.5.2.

Bend the embedded piping 8.5.7. Connecting the cable to the indoor unit
Use a spring bender or equivalent to bend the piping so that the piping is not crushed.
The cable can be connected without removing the front grille.

8.5.3. 8.5.4.

Install the indoor unit. Cut and flaring the embedded piping 8.5.8.
Install the indoor unit fixly. [REFERENCE Fig.B, Fig.C]
When determining the dimensions of the piping, slide the unit all the way to the left on the installation plate. Refer to the section cut and flaring the piping in the directions for the outdoor unit. (see P.30)

8.5.5.

Pull the connecting cable into the indoor unit.

8.6.1.

Connecting piping and the cable to outdoor unit
Connecting the piping to outdoor unit
1. Align the center of the piping and sufficiently tighten the flare nut with fingers. 2. Finally tighten the flare nut with torque wrench unit the wrench click. G When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow of the wrench.
Model CS-SA9CKP/ CUSA9CKP5 CS-SA12CKP/ CUSA12CKP5 CS-SA9CKP/ CUSA9CKP5 CS-SA12CKP/ CUSA12CKP5 Piping side Liquid side 1/4" Torque 18N.m

Caution

When connecting the piping, always use a torque wrench. Other tools may cause damage to the flare nut because of improper force.
3. Ensure not to let the piping exposed to air.

8.6.2.

Connecting the cable
1. Remove the top cover from the unit by loosening the four screws. 2. Remove the control board cover by loosening the screw. 3. Connect the locally approved cable (1.5mm2) to the terminals on the control board individually. 4. Secure the cable onto the control board with the holder (clamber). 5. Attach the control board cover and the top cover to the original position with the screws.

8.7.1.

Air purging of the piping and indoor unit

Air purging

The air which contains moisture is remaining in the refrigeration cycle may cause malfunction on the compressor. 1. Remove caps from the 2-way and 3-way valves. 2. Remove the service-port cap from the 3-way valve. 3. To open the valve, turn the valve stem of 2-way valve counter-clockwise approximately 90 and hold it there for 10 seconds, then close it.
4. Check a gas leakage of the connecting portion of the piping.
5. Set the both 2-way and 3-way valves to open position with the hexagonal wrench for the unit operation.

8.8.1.

Checking the drainage and connecting the cable to indoor unit

Checking the drainage

1. Remove the front grille from the cabinet When removing the front grille for maintenance purposes, etc, carry out by the following procedures. a. Set the vertical airflow direction louver (1) to the horizontal position. b. Remove the two caps on the front grille as shown in the illustration at right, and then remove the two mounting screws. c. Pull the lower section of the front grille toward you to remove the front grille. When reinstalling the front grille, first set the vertical airflow direction louver to the horizontal position, and then carry out by steps 3 and 2 in that order. At this time check to sure that the fixing tabs on the top inside edge of the front grille are securely inserted into the respective slots.
3. Drainage control for outdoor unit If a drainage plug is applied, the outdoor unit should at least be 3 centimeters high from the floor. If is better not to use the drainage plug if the temperature is lower than 0C, since icing of the condensed water may block the water flow.
2. Checking the drainage Pout a glass of water into the drain train traystyroform. Ensure water flow out from drain hose of indoor unit.

8.8.2.

Connecting the Indoor/Outdoor connecting cable
It does not need to remove the front grille when connecting the indoor/outdoor connecting cable. 1. Open the front grille. 2. Open the cover of the control board by loosening the fixing screw. 3. Connect the indoor/outdoor unit connecting cable to the terminals of the indoor unit.

Service port cap Be sure using a torque wrench to tighten the service port cap (after using the service port), so that it prevents the gas leakage from the refrigerant cycle.
Procedure: 1. Recheck the piping connection. 2. Open the valve stem of the 2-way valve counter-clockwise, wait 10 seconds and then set it to close position Be sure to use a hexagonal wrench to operate the valve stem. 3. Check for gas leakage. Check the flare connections for gas leakage. 4. Purge the air from the system Set the 2-way valve to the open position and remove the cap from the 3-way valves service port. Using hexagonal wrench to press the valve core pin, discharge for 3 seconds and then wait for 1 minute Repeat this for 3 times. 5. Use torque wrench to tighten the service port cap to a torque of 1.8kg.m (18N.m) 6. Set the 3-way valve to the opened position. 7. Mount the valves stem nuts to the 3-way and 3-way valve. 8. Check for gas leakage At this time, especially check for the leakage from the 2way and 3-way valves stem nuts, and from the service port cap. Caution
If gas leakage is found in step (3) above, take the following measure. 1. If the gas leaks stop when the piping connections are tighten further, continue working from step (4). 2. If gas leaks does not stop when the connections are retighten, repair the location of the leak, discharge all of the gas through the service port, and then recharge with the specified amount of gas from a gas cylinder.

2 Pumping down

(For Re-installation)
Procedure 1. Confirm that both 2-way and 3-way valves are set to open positions. Remove the valve stem caps and confirm that the valve stems are in the open position. Be sure using a hexagonal wrench to operate the valve stems. 2. Operate the unit for 10-15 minutes. 3. Stop operation and wait for 3 minutes, then connect the charge set to the service port of the 3-way valves. Connect the charge hose with the push pin to the service port. 4. Air purging of the charge hose Open the low-pressure valve or the charge set slightly to air purge from the charge hose. 5. Set the 2-way valve to the close position. 6. Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 2 kg/cm2G (0.1Mpa). If the unit cannot be operate at the cooling mode operation (weather is rather cool), press the pump down, switch on the indoor unit, so that the unit can be operated. 7. Immediately set 3-way valve to the closed position. Do this quick so that the gauge ends up indicating 3 to 5 kg/cm2G. (0.3 to 0.5 Mpa). 8. Disconnect the charge set, and mount the 2-way and 3-way valve stems nuts and service port cap. Use torque wrench to tighten the service port cap to a torque 1.8kg.m (18N.m). Be sure to check for gas leakage.

9.2.1.

2-1 Re-air purging
Procedure 1. Confirm that both 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. 3. Air purging Open the valves on the charge set and charging cylinder, purge the air by loosening the flare nut on the 2-way valve approximately 45for 3 seconds, then close it for 1 minutes; repeat this 3 times. After purging the air, use a torque wrench tightenting the flare nut on the 2-way valve. 4. Check for gas leakage Check the flare connections for gas leakage. 5. Discharge the refrigerant Open the valve on the charging cylinder and discharge the refrigerant unit the gauge indicates 3 to 5 kg/cm2G (0.3 to 0.5 Mpa). 6. Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way valves to the open position. Be sure to use a hexagonal wrench to operate the valve stems. 7. Mount the valve stem nuts and the service port cap. Be sure to use a torque wrench to tighten the service port cap to a torque 1.5kg.m (18N.m). Be sure to check for gas leakage.

9.2.2.

2-2 Balance refrigerant of the 2-way, 3-way valves

(Gas leakage)

Procedure 1. Confirm that both 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the service port of the 3-way valve. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port. 3. Open the valves (low side) on the charge set and discharge the refrigerant until the gauge indicates 0.5-1 kg/cm2G (0.050.1Mpa). If there is no air in the refrigerant cycle [the pressure when the air conditioner is not running is higher than 1kg/cm2G (0.1Mpa)], discharge the refrigerant until the gauge indicates 0.5 to 1 kg/cm2G (0.05 to 0.1Mpa). If this is the case, it will not be necessary to apply a evacuation. Discharge the refrigerant gradually, if it is discharged too suddenly, the refrigerant oil will also be discharged.
Evacuation (Installation)
(No refrigerant in the refrigeration cycle)
Procedure 1. Connect the vacuum pump to the charge sets centre hose. 2. Evacuation for approximately 1 hour. Confirm that the gauge needle has moved toward-76cmHg (-0.1Mpa) [vacuum of 4 mmHg or less]. 3. Close the valve (low side) on the charge set, turn off the vacuum pump, and confirm that the gauge needle dose not move (approximately 5 minutes after turning off the vacuum pump). 4. Disconnect the charge hose from the vacuum. Vacuum oil If the vacuum pump oil becomes dirty or depleted, replenish as needed.

9.3.1.

Gas charging

(After evacuation)

Procedure 1. Connect the charge hose to the charging cylinder Connect the charge hose which was disconnected from the vacuum pump to the valve at the bottom of the cylinder. If you are using a gas cylinder also use a scale and reverse the cylinder so that the system can be charged with liquid. 2. Purge the air from the charge hose Open the valve at the bottom of the cylinder and use a screwdriver to press the check valve on the charge set to purge the air. (Be careful of the liquid refrigerant.) The procedure is the same if using a gas cylinder. 3. Open the valve (low side) on the charge set and charge the system with liquid refrigerant. If the system cannot be charged with the specified amount of refrigerant, it can be charge with a little at a time (approximately 150g each time) while operating the air conditioner in the cooling cycle. However, one time is not sufficient, wait approximately 1 minute and then repeat the procedure. (Pumping down pin)

This is different from previous procedures. Because you are charging with liquid refrigerant from the gas side, absolutely do not attempt to charge with large amounts of liquid refrigerant while operating the air conditioner.
4. Immediately disconnect the charge hose from the 3-way valves service port. Stopping part-way will allow the refrigerant to be discharged. If the system has been charged with liquid refrigerant while operating the air conditioner, turn off the air conditioner before disconnecting the hose. 5. Mount the valve stem nuts and the service port. Use a torque wrench to tighten the service port cap to a torque of 1.8kg. m (18N.m). Be sure to check for gas leakage.
10 Disassembly of the parts
Inspection Points for the indoor electronic controller 1. Open the front grille and cover of the control board, the electronic controller, signal receiver and indicators can be seen.
Removal procedure for the fan motor 1. Remove the connector CN-MTR of fan motor, and connector CN-STM of step fan motor, loosen the grounding wire (yellow-green),and pull the sensor out from the socket. (See Fig 1) 2. Remove the control board. Loosen the upper, left and right tabs, and pull out the control board. (Refer to Fig 2, Fig 3, Fig 4).
3. Remove the fan motor. Loosen the fan motor securing screw at the junction of the cross fan. (see Fig 5)
Remove the special tab, and pull the fan motor out. (see Fig 6, Fig 7)
Removal procedure of the cross flow fan 1. Remove the fan motor. (Refer to the removal procedure of fan motor, Fig 8)
Remove the securing screw of the front grille, pull the front grille down towards you.
2. Loosen the bearing on the left side of the cross flow fan.
3. Take off the securing-tabs to the left of the heat exchanger. Pull the heat exchanger forward (left side). (Fig 10) The cross flow fan can be removed. (Fig 10)

Fig 10

Remote control reset If the display is chaotic or can not be adjusted, use a pin to gently press reset button to reset the remote control to the original set by manufacturer.(Fig 11 )

Fig 11

G Remove the back lid of the remote controller and you will find terminal two s, it is possible to select from 2 types of transmission codes by shorting the terminals.

Fig 12

11 Trouble-shooting guide
Refrigeration cycle system In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of compressor or fan. The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions, the standard values for them are shown in the table to the right.

CR4 A59015

RY-HOT

ZNR3 454C367 -

DB1 S1VB20 + + C* 35V
IC4 AN78M12 12V + C5 25V 470 *

IC2 78M05

I 12V O G

C* 10V

+ R22 10K D3 MA723TA + D1 MA165TA RY-HOT SSR2 -

Q6 UN421F

R21 10K 31 32

C* 16V

R23 51K

C11 0.01 *

Q7 + SSR1 RY-M UN421F UN421F

BEEPER/A48004

(VH-7. W Y

RY-H RY-M

BZ R* R15 D2 2W ERA15-01 1K

BR O BL

RY-C C16 35V 470 *
R29 2.2K R30 10K Q1 2SC1741A

CR3 A59015

CR2 A59015 CR1 A59015 L2 A43036

(VH3.W

C-FM 1.0*F 450V

SCHEMATIC DIAGRAM 2/2

fig.1 fig.3
SENSOR(THERMO RISISTOR) CHARATERISTICS 70

PA R T MODEL

RISISTANCE
PIPE SENSOR. IN TAKE AIR SENSOR.

IN TAKE AIR / PIPE temp.

CS-SA9BKP5

VOLTAGE

IN TAKE AIR temp.

CS-SA12BKP5

PIPE TEMP.

TEMP. ( C )

CIRCUIT
Q2 R14 5.1K C12 0.1* UN4211 C19 0.022 * R19 5.1K R1 10K
R : RED BL : BLACK B : BLUE BR : BROWN O : ORANGE GRY : GREY G : GREEN Y : YELLOW W : WHITE Y/G : YELLOW/GREEN

RECEIVER

PH302C 0.01 * 330 * 0.01 *

R24 18.2K

J2 R20 26.1K R16 R12 5.1K 1K C14 0.01 * RA1 24Kx3 +

(KR3) CN-RCV

A52D011F062
REMOTE CONTROL TEST AN MOTOR INTAKE AIR TEMP.
LOW FAN HIGH FAN BEEPER OCSILLISCOPE GROUND COMPRESSOR POWER CLOCK

49 R34 33

C13 10V 100 *

C7 10V 100 *

CN-RCV

UPC2800GR 47 * 6.3V

C24 0.01 *
J3 + C6 16V 10* + - C24 10V 100 R13 * 1K + C4 50V 1* R7 20K C15 16V 10* + R6 15K

PIPE SENSOR

(15K.3950)

IN TAKE AIR SENSOR fig.1

(20K.3950)

R18 150K

X1 8MHz
(KR4. W) R26 100K R25 10K Q5 2SC1740S Q4 2SC1740S ZD1 7.5EL1 R11 11K C3 0.01 * 8 RA2 10Kx3 IC3 UPA2003C R2 R* 330 * 11 (KR5. W) CN-STM

REMOTE CONTROL

C22 10V 100 *

MOTOR(AIR SWING) 5

LED OPERATION (G) TIMER (O)

R31 6.2K

STEP MOTOR SIGNAL (OUT)
TEST(IN) DISPLAY GROUND TEST(OUT) PUMP DISPLAY

(KR-4) CN-DISP

CN-DISP + (PH4)