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HIGH EFFICIENCY SERIES 

 
 

USER

’S MANUAL 

 
 
 
 
 
 

 
 
 

INDOOR FLOOR / CEILING UNIT 

 HEAT PUMP MODELS 

 

SMZFC9H4ZIGX 

SMZFC12H4ZIGX 
SMZFC18H4ZIGX 
SMZFC24H4ZIGX 

 

 
 

 
 
 
 
 
 
 

950-0207revA                                                                                                                                                      November 27, 2013 

Summary of Contents for HIGH EFFICIENCY SMZFC12H4ZIGX

Page 1: ...HIGH EFFICIENCY SERIES USER S MANUAL INDOOR FLOOR CEILING UNIT HEAT PUMP MODELS SMZFC9H4ZIGX SMZFC12H4ZIGX SMZFC18H4ZIGX SMZFC24H4ZIGX 950 0207revA November 27 2013 ...

Page 2: ...lters 10 Cleaning Indoor Unit 10 Maintenance before or after Seasonal Use 11 INSTALLATION INSTRUCTIONS Outline and Installation Dimension 12 Clearances and Mounting Requirements Unit 13 Selecting Locations for the Indoor 13 Installing the indoor unit 13 Installing the Condensate Pipe 15 Connection Piping 17 Installation for the Refrigerant Pipe 18 Electrical Connection 19 Wiring Diagram 20 Trouble...

Page 3: ... turning the unit on or off except in the case of an emergency Do not operate this unit if you are wet or have wet hands electric shock can occur Do not spray insecticides paints or other flammable sprays or liquids into or around the unit Do not put foreign objects into the unit Do not hang or place items on the unit Do not use harsh chemicals such as paint thinner benzene or polish to clean the ...

Page 4: ...talled for the unit operation Connect the wall control to indoor PC board with the signal line included with the unit 2 Wall Control can also be controlled by the Remote Control Remote Control Wall Control Signal Receiver From the Remote Control Signal Line Remote Control Display Panel Room Temp Error Code Display Signal Receiver From the Remote Control Run LED Cooling LED Heating LED ...

Page 5: ... BTU Five Port Configurations Note 1 Do not mismatch or connect to an outdoor unit other than the designed matched system 2 This system must be used with a minimum of two indoor units evaporators 1 INDOOR UNIT 2 INDOOR UNITS 9K 9K 9K 12K 9K 12K 2 INDOOR UNITS 3 INDOOR UNITS 4 INDOOR UNITS 9K 9K 9K 12K 9K 18K 12K 12K 12K 18K 18K 18K 9K 9K 9K 9K 9K 12K 9K 9K 18K 9K 12K 12K 12K 12K 12K 9K 9K 9K 9K Th...

Page 6: ...heating mode when temperature set point has been satisfied 3 Unit may require several minutes to confirm the condition of temperature set point and system functions OPERATION OF WIRELESS REMOTE CONTROL REMOTE CONTROL DISPLAY The system matches below are not recommended if all indoor units may require simultaneous continuous duty at full efficiency 24K 24K 18K 18K 18K 9K 18K 24K 9K 21K 21K 9K 21K 2...

Page 7: ...ING STANDBY SHIELD STATE FAN SPEED HI MED LO FAN AUTO MODE TURBO ON OFF Turns unit on or off Raise Lower set point FAN Set fan speed hi med lo auto MODE Select between AUTO COOL DRY FAN or HEAT LOUVER Set louver swing CLOCK Set clock TIMER ON Set timer on time PURGE Extended on time for fan TEMP Set point temperature will be displayed TIMER OFF Set timer off time TURBO Maximum fan speed SLEEP Togg...

Page 8: ... or COOL while the AUTO is running in an opposite mode an E7 will occur To rectify this condition you must set all the indoor units to the same mode either HEAT or COOL or leave the unit alone and when the temperature returns to the point where the unit switches back to the correct mode as the other indoor units and all zones are in the HEAT or COOL mode it will clear itself and begin to run again...

Page 9: ...e CLOCK button the clock ICON will start to blink It will only blink for 5 seconds While blinking press and hold down the or keys to adjust the 24H time of day clock to the correct time You must immediately press the CLOCK button to set the time If the CLOCK button is not pressed within 5 seconds the clock time will revert back to the original setting and clock will have to be set again TEMP Displ...

Page 10: ...d for a long period of time remove the batteries If the wireless remote control does not operate properly remove the batteries for 30 seconds and re install resets the remote ROUTINE CARE AND MAINTENANCE CAUTION Turn main power off before cleaning air conditioner Never spray water into the indoor or outdoor unit for cleaning Volatile liquids e g solvent gasoline etc will damage the air conditioner...

Page 11: ...y after long period stop switch on the main power supply 8 hours before turning on the air conditioner When a wall control is connected check if the indicating lamp on the wall control blinks after the unit is energized Maintenance after seasonal use Let the air conditioning run for half day under the fan mode to dry the inside of the unit If the unit is not to be used for a long time please shut ...

Page 12: ... installer Product failure due to improper installation is not covered under warranty OUTLINE AND INSTALLING DIMENSION A B C D H Table 1 Dimensions Model A B H C D SMZFC9H4ZIGX 48 03 8 86 27 56 45 59 11 02 SMZFC12H4ZIGX SMZFC18H4ZIGX SMZFC24H4ZIGX INSTALLATION INSTRUCTIONS Figure 1 ...

Page 13: ...is easy for connection 6 The unit should be installed far away from where is heat source leakage of inflammable explosive substances or smog 7 The installation is convertible between stand and ceiling 8 The power cords and connection lines of the indoor and outdoor units must be at least 3 3 ft away from the TV set or radio to avoid the image interference and noise even if 3 3 ft is kept the noise...

Page 14: ...b beforehand See Fig 5 4 Fix the hanger bracket to the suspension bolt Celling 1 6 or less Hanger bracket Suspension bolt Celling slab BOLT PO SIT IO N INW ARD Hanger bracket Hanger bracket setting bolt M8 Hanger bracket fixing bolt M6 Hanger bracket WARNING Make sure that extended suspension bolt from the ceiling stays inside the appointed position Readjust the hanger bracket when it is out of th...

Page 15: ... easier b If there is an opening in the ceiling it is better to reinforce it to keep it flat and prevent it vibrating Consult the user and builder for more details c If the strength of the ceiling is not strong enough a beam made of angle iron can be used and then fix the unit on it d If the indoor unit is not installed in the air conditioning area please use sponge around the unit to prevent cond...

Page 16: ...ccessory Clamp accessory Max 0 16 4 5 5 11 Wrap the attached sealing pad 11 over the clamp and drain hose to insulate See Fig 14 No folding of drain hose inside the indoor unit See Fig 15 below Watering can Air outlet 2 Confirm that smooth drainage is achieved after the piping work Pour about 3 4 oz water into the drain pan from the air outlet for confirming drainage See Fig 16 above CAUTION No wa...

Page 17: ...the position shown below A Die A 0 0 002 0 003 0 005 0 005 0 007 Flare tool for R410A Clutch type Clutch type Rigid type Wing nut type lmperial type Conventional flare tool Identify Line Sets Mark the line sets as necessary to prevent crossed connections Crossed line sets will prevent proper operation Identify Interconnect cables Connect interconnect cable and identify cable at both ends Cable rou...

Page 18: ...should be wrapped with the insulating material and no gap is allowed on the joint of the indoor unit See Fig 18 below No gap CAUTION After the pipe is protected will enough never bend it to form a small angle otherwise it would crack or break 3 Wrap the pipe with tape a Bundle the refrigerant pipe and electric wire together with tape and separate them from the drain pipe to prevent the condensate ...

Page 19: ... pliers d Let the screw go through the terminal of the multi core cable and then fix it on the wiring board 0 98 Insulating Layer Wiring Terminal 0 39 CAUTION a If the power cord or the signal line is damaged they must be replaced with the dedicated one b Prior to the wiring please check the voltage marked on the product label and then wiring by following the wiring diagram c The dedicated power c...

Page 20: ...ne and the communication line from the outdoor unit to the corresponding terminals N 1 2 3 and grounding terminal of the indoor unit See Figure 20 Wiring shall be done properly as per the wiring diagram Note Be sure the wiring terminals A B C D and piping joints A B C D of the indoor unit match with that of the outdoor unit respectively DO NOT CROSS WIRES d Fix the power cord tightly with the bind...

Page 21: ...d Water leaking into room The air humidity is excessively high Check to see if all windows and doors are closed Call service Tech if not corrected by the above action Water leakage in outdoor unit When the unit is running in Auto Defrosting mode ice will thaw and drip into pan When the unit is running in HEAT mode the water adhered to the condenser coil drains into pan Noise from indoor unit emitt...

Page 22: ...tdoor Tube Sensor Failure F4 4 Flashes Outdoor Exhaust Sensor Failure F5 5 Flashes Frequency Drop for Overload F6 6 Flashes Oil Return in Cooling Mode F7 7 Flashes Frequency Drop for Over Current Protection F8 8 Flashes Frequency Drop for Exhaust Protection F9 9 Flashes Refrigerant Recovery Mode Fo Flashing Flashing Frequency Drop for Anti Freezing Protection FH 2 Flashes 2 Flashes Defrost or Oil ...

Page 23: ...y DOES NOT cover Damage accidental or otherwise to the unit while in possession of the consumer that is not a result of a defect in material in workmanship Damage caused by consumer misuse tampering or failure to follow all care and maintenance instructions in the manuals Damage to the finish of the case or other parts caused by water Damage caused by repairs or alterations to the unit by anyone o...

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