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HIGH EFFICIENCY SERIES

INSTALLATION AND USERS MANUAL

INDOOR CASSETTE UNIT

HEAT PUMP MODELS

SMZCA12H4ZIGX – 12,000 BTU CASSETTE

SMZCA18H4ZIGX – 18,000 BTU CASSETTE

SMZCA1218GR – GRILLE

SMZCA24H4ZIGX – 24,000 BTU CASSETTE

SMZCA24GR - GRILLE

950-0206revE February 12, 2015

Содержание HIGH EFFICIENCY SMZCA1218GR

Страница 1: ...LLATION AND USERS MANUAL INDOOR CASSETTE UNIT HEAT PUMP MODELS SMZCA12H4ZIGX 12 000 BTU CASSETTE SMZCA18H4ZIGX 18 000 BTU CASSETTE SMZCA1218GR GRILLE SMZCA24H4ZIGX 24 000 BTU CASSETTE SMZCA24GR GRILLE 950 0206revE February 12 2015 ...

Страница 2: ... Reinstall the Air Filter 11 Clean the Outlet Vent and Surface Panel 11 Maintenance before or after Seasonal Use 12 Optional Control Wall Control 13 INSTALLATION INSTRUCTIONS Quick Install 14 Condensate Pump 14 Clearances and Mounting Requirements 14 Selecting Locations for the Indoor Unit 15 Installing Dimension 15 Installing Indoor Cassette 17 Connection of the Refrigerant Pipe 18 Drain Piping 1...

Страница 3: ...ff 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 unit During cooling opera...

Страница 4: ...K panel For 12K and 18K panel TEST AUTO TEST Button AUTO Button Signal Receiver Run FAN COOL HEAT AUTO button In the event that the remote controls are misplaced you can operate your inside unit by pressing this button If the unit is off pressing the AUTO button will start the unit in the default AUTO mode Press the button again and it will stop the unit Please refer to AUTO mode on page 7 for the...

Страница 5: ... selection for each zone Auto restart Includes condensate pump ACCESSORIES INCLUDED WITH UNIT 3 pieces of flat foam 2 connection insulators Screws 2 pcs of M4x25mm screws 4 pcs of ST4 8x13mm self taping screws 4 pcs of M6x25mm screws with flat washers and lock washers for 12K 18K unit only Flat washers 10 pcs of M10xΦ30x2 5mm 4 pcs of M6xΦ18x1 4mm for 12K 18K unit only Drain adaptor 4 pcs of tie w...

Страница 6: ... unit other than the designed matched system 2 This system must be used with a minimum of two indoor units evaporators 3 All 24K BTU units listed are cassette or ducted type 2 INDOOR UNITS 3 INDOOR UNITS 4 INDOOR UNITS 5 INDOOR UNITS 9K 9K 9K 12K 9K 18K 12K 12K 12K 18K 18K 18K 12K 21K 12K 24K 18K 21K 18K 24K 21K 21K 21K 24K 9K 9K 9K 9K 9K 12K 9K 9K 18K 9K 12K 12K 9K 12K 18K 9K 18K 18K 12K 12K 12K ...

Страница 7: ...imer and sleep functions Notes 1 Indoor fan does not turn off in the cooling mode when temperature set point has been satisfied It will continue to run to keep the room temperature consistent 2 Indoor fan will turn off in 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 ...

Страница 8: ...nit automatically switches between HEAT COOL or FAN If other zones are set to HEAT 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 ...

Страница 9: ...the 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 PURGE BL...

Страница 10: ...batteries is placed Slightly press down on the arrow on the battery cover and slide in the direction of the arrowhead Remove old batteries Insert two new AAA 1 5V batteries paying attention to the polarity Re install the back cover of wireless remote control NOTE Do not use the old different or rechargeable batteries If the wireless remote control will not be used for a long period of time remove ...

Страница 11: ...leaning the Air Inlet Grill Open the air inlet grill same as the first step of Clean the Air Filter process above Take out the air filter same as the second step of Clean the Air Filter process above Take out the air inlet grill Open the air inlet grill on an angle of 45 as shown in Figure 4 above and then raise it Clean the air inlet Grill with soft brush water and neutral cleaning and then dry i...

Страница 12: ...line benzene diluents cleansing powder etc If the louvers are too dirty it can be removed to be cleaned by following the process below Disassemble and re install the guide louver Remove the louver by gently pressing down on the center of the louver while supporting the end being removed When tab is removed slide opposite end out of hole Re install the louver Reverse procedure for assembly 7 Mainte...

Страница 13: ... unit and wall control Wall Control can be controlled with the remote or at the panel Please refer to the manual 950 0210 950 0220 for the detail operation and installation of the wall control Enter cancel Enter Cancel Fan Mode Function Timer On Off CLOCK ON FA N FO LLOW ME OFF TURBO SLEEP DISPLAY FAN F SW ING BLO W TEM P Remote Control Signal Receiver From the Remote Control Signal Cable Wall Con...

Страница 14: ... a tight compression of sealing gasket foam 9 When grille is attached minor adjustments can be made so the grille is flush against the ceiling with no gaps 10 Recheck unit for level in all directions This is a must for the internal condensate pump to drain properly 11 Connect refrigerant lines 12 Connect drain lines 13 Connect outdoor wiring to cassette 14 Connect wall thermostat if being used 15 ...

Страница 15: ...h to withstand 4 times the weight of the indoor unit This prevents vibration and noise 4 Ensure the installation place is horizontal 5 Select a place where the condensate water is easily drained and the drain pipe can be easily connected with outdoor unit 6 Make sure that there is enough space for care and maintenance Make sure that the distance between the indoor unit and ground is above 5 9 feet...

Страница 16: ...MENSION For SMZCA12H4ZIGX 12 000 BTU and SMZCA18H4ZIGX 18 000 BTU units 25 6 Grille 22 44 Cassette ________ 15 75 Threaded Rod___ 22 44 23 8 25 6 For SMZCA24H4ZIGX unit 24 000 BTU Figure 6 Bottom View Refrigerant pipe Hanging Brackets 4 pcs 26 8 Distance between threaded rods 33 1 Cassette 35 35 8 Max Ceiling opening 37 4 Grille Figure 7 Bottom View ...

Страница 17: ...inside of the grille for gaps in sealing foam Use foam strip supplied to seal these gaps Below gives examples of gaps that need to be sealed with supplied foam strip Threaded rod and nuts not supplied Flat washers are supplied Mounting bracket Tighten double nuts Figure 9 NOTE Tighten the nuts on threaded rod to prevent air conditioner from falling Assure unit is hanging level Installation Templat...

Страница 18: ...are s inner surface must be scratch free Th e p ip e e n d m u st b e e ve n ly fla re d in a perfect circle Cut exactly at right angles Remove burrs Figure 10 Make sure that the flare nut is fitted 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 ca...

Страница 19: ... should be installed at the outdoor unit Figure 12 Install the drain hose DRAIN PIPING The diameter of the drain hose should be equal or larger than that of connection pipes The diameter of polythene pipe Outer diameter 1 Surface thickness 0 06 Drain hose should be short sloped 3 to 5 degrees See figure 13 To prevent sagging the distance between hangers should be between 3 3 to 4 9 feet apart See ...

Страница 20: ...g clamp attachment Figure 15 Install the drain hose according to the following process if several drain hoses join together See Figure 16 below Above 3 94 Connect to outside drain Always on a downward slope The main pipe should have the capacity to carry condensation from all the units Figure 16 Check the drain state after installation Check the drain operation by pouring 20 oz of water slowly fro...

Страница 21: ...d cable at rubber plug grommet in electrical box to prevent condensation from forming in the electrical box 3 Be sure cable is secured with clamp located in electrical box 4 If wall control is being installed use the second rubber grommet for wiring Do not run the 4 conductor cable with interconnect power cable indoor to outdoor Connect the connector to connector on P C board at CN9 blue connector...

Страница 22: ...950 0206revE 22 February 12 2015 WIRING DIAGRAM 12K and 18K Indoor Wiring Diagram 24K Indoor Wiring Diagram G Evaporator Shell G ...

Страница 23: ... screws loosely and tighten opposite screws crisscross evenly until foam is fully compressed Height adjustments can be made by changing position of the threaded hanger screw nut up or down on threaded hanger See above 1 5 Connect display and stepper motor wires 6 pin and 8 pin connectors 6 Bundle and secure wires with tie wrap 7 Replace filter cover and secure using two screws supplied If gap stil...

Страница 24: ...om the back Push out corners to gain access to hanging rod nut d Pull all the wire hangers out so they are accessible Wire hanger extended e Make sure all wiring is to the center of the unit and not pinched between grille and unit f Secure the wire hangers to hanger brackets The first 2 to secure would be the 2 that face inward Wire hanger and hook secured g Slightly tighten these 2 screws h For t...

Страница 25: ...hten all 4 hex screws j Route wiring as shown in photos Red and white wire and connector Coil display cable and connect white connectors k Replace PCB cover Slide clips on cover under the others Replace screw l Install Purifiers onto filter ...

Страница 26: ...little pressure on filter slide under tab m Install filter into cover as shown above n Install cover onto unit SMZCA1218GR PN for cassette grille to be used with 12K SMZCA12H4ZIGX or 18 K SMZCA18H4ZIGX units SMZCA24GR PN for cassette grille to be used with 24K SMZCA24H4ZIGX unit ...

Страница 27: ... 4 41 Evaporator Evaporator Aluminum fin Inner Grooved copper tube Aluminum fin Inner Grooved copper tube Aluminum fin Inner Grooved copper tube Pipe Diameter in 0 375 0 375 0 28 Row Fin Gap in 2 0 06 2 0 06 3 0 05 Coil length L x height H x coil width W in 37 64 x 8 0 x 1 5 37 64 x 8 0 x 1 5 80 35 x 6 75 x 1 18 Design Data Swing Motor Model for horizontal louver MP35EA MP35EA MP35EA Fuse A 3 15 3...

Страница 28: ...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 emitted When defrosti...

Страница 29: ...door 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 R...

Страница 30: ...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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