Johnson Controls VRF System Engineering Manual Download Page 1

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ENGINEERING MANUAL

INVERTER-DRIVEN MULTI-SPLIT SYSTEM
HEAT PUMP AIR CONDITIONERS

Engineering Manual

TC-16002

Technical Catalog for Outdoor Unit

< Indoor Units >

● 2-Way Cassette Type

(H,Y,C)IC2018B21S

(H,Y,C)IC2024B21S

Summary of Contents for VRF System

Page 1: ...NEERING MANUAL INVERTER DRIVEN MULTI SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS Engineering Manual TC 16002 Technical Catalog for Outdoor Unit Indoor Units 2 Way Cassette Type H Y C IC2018B21S H Y C IC2024B21S ...

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Page 3: ...mage or injury that might occur in an earthquake if the unit is not installed correctly injuries may occur due to a falling unit Use appropriate Personal Protective Equipment PPE such as gloves and protective goggles and where appropriate have a gas mask nearby Also use electrical protection equipment and tools suited for electrical operation purposes Keep a quenching cloth and a fire extinguisher...

Page 4: ...tall the unit in any location where animals and plants can come into direct contact with the outlet air stream Exposure could adversely affect the animals and plants Do not install the unit with any downward slope to the side of the drain boss If you do you may have drain water flowing back which may cause leaks Be sure the drain hose discharges water properly If connected incorrectly it may cause...

Page 5: ... Where harmful gases can be generated from decomposition Do not position the drain pipe for the indoor unit near any sanitary sewers where corrosive gases may be present If you do toxic gases can seep into breathable air spaces and can cause respiratory injuries If the drainpipe is installed incorrectly water leakage and damage to the ceiling floor furniture or other possessions may result If cond...

Page 6: ...o avoid the possibility of different refrigerant or refrigerant oil being introduced into the cycle the sizes of the charging connections have been changed from R407C type and R22 type It is necessary to prepare the appropriate tools before performing installation work Use refrigerant pipes and joints which are approved for use with R410A A compressor unit comprises a pressurized system Never loos...

Page 7: ...f AWG18 0 82mm2 2 Conductor Stranded Copper Shielded cable must be considered for applications and routing in areas of high EMI and other sources of potentially excessive electrical noise to reduce the potential for communication errors When shielded cabling is applied proper bonding and termination of the cable shield is required as per Johnson Controls guidelines Plenum and riser ratings for com...

Page 8: ... 11 3 Safety and Control Device Setting 2 14 2 11 4 Wiring Diagram 2 15 3 Optional Parts 3 1 3 1 Line Up 3 1 3 2 Motion Sensor Kit SOR NED 3 2 3 3 Antibacterial Long Life Air Filter F 90MD K1 3 6 3 4 Filter Box B 90HD 3 7 3 5 Duct Adapter PD 150D 3 8 3 6 Infrared IR Receiver Kit C2IRK01 3 9 3 7 3P Connector Cable PCC 1A 3 16 3 8 Remote Sensor THM R2A 3 16 3 9 Relay and 3 Pin Connector Kit PSC 5RA ...

Page 9: ...these requirements The proven combination of the scroll compressor and inverter provides the best air conditioning for small and medium office buildings VRF System Johnson Controls has developed the VRF system with its customers in mind This system which is unique in the world allows the interconnection of indoor units for all our VRF air conditioners This system provides the consumer with greater...

Page 10: ...ipped individual louver setting function Air Inlet Flat Grille Horizontal Air Outlet Angle Downward Air Outlet Angle Up Swing Simple and Stylish Design Fully Closed 2 way Individual Louver Improvement of Energy Saving 1 Adopting High Efficient New Turbo Fan and DC Fan Motor 2 Improvement of Heat Exchanger and Reduction of Airflow Loss 3 Improvement of Energy Saving Operation by Adopting Motion Sen...

Page 11: ...al agent cased is fixed in the drain pan Exchangeable term of validity is 10 000 hours of the cooling operation Approx five years Easy Installation 1 Easier Height Adjustment The unit height can be adjusted from four corner pockets with the decorative panel attached to the unit Height adjustment from the corner pockets is suitable for fine adjustment To keep the unit level avoid significant height...

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Page 13: ...tion H Hitachi Brand Y York Brand C Coleman Brand H Indoor Unit I Indoor Unit Type C2 2 Way Cassette Type C2 Capacity MBH 018 Refrigerant Type B R410A B Power Supply 2 208 230Volts 1Phase 60Hz 2 1 1st Generation 1 S Standard Type S 2 2 Line up Type Capacity Model RT MBH Indoor Unit 2 Way Cassette 1 5 18 H Y C IC2018B21S 2 0 24 H Y C IC2024B21S ...

Page 14: ...nt Piping Liquid Line in mm 3 8 9 52 3 8 9 52 Gas Line in mm 5 8 15 88 5 8 15 88 Condensate Drain VP25 VP25 OD in mm 1 1 4 32 1 1 4 32 ID in mm 1 25 1 25 Adaptable Panel Model P AP90DNA without Motion Sensor Color Neutral White Outer Dimensions Height in mm 1 3 16 30 Width in mm 43 5 16 1 100 Depth in mm 27 15 16 710 Net Weight lbs kg 16 5 7 5 NOTES 1 Nominal capacity is based on combinations with...

Page 15: ...2 WAY CASSETTE TC 16002 rev 1 2 3 2 4 Dimensional Data Models H Y C IC2018B21S and H Y C IC2024B21S with Decorative Panel P AP90DNA Unit inch mm Min 94 1 2 2400 ...

Page 16: ...x 8 Refrigerant Gas Pipe Connection with f5 8 15 88 Flare Nut 9 Refrigerant Liquid Pipe Connection with f3 8 9 52 Flare Nut 10 Condensate Pipe Connection VP25 OD f1 1 4 32 11 Drain up Mechanism 12 Float Switch 13 Condensate Pan 14 Rubber Plug for Drain 15 Decorative Panel P AP90DNA Optional 16 Air Inlet Grille 17 Air Filter 18 Air Outlet 19 Air Inlet 20 Cover for Corner Pocket Use with P AP90DNA ...

Page 17: ...num Pitch in mm 1 16 1 6 1 16 1 6 Maximum Operating Pressure psi MPa 601 4 15 601 4 15 Total Face Area ft2 m 2 1 2 0 36 1 2 0 36 Number of Coil Unit 1 1 Indoor Fan Multi Blade Centrifugal Fan Number Unit 1 1 Outer Diameter in mm 14 3 16 360 14 3 16 360 Nominal Airflow cfm 653 582 512 441 777 688 582 459 Hi2 Hi Me Lo m3 min 18 5 16 5 14 5 12 5 22 19 5 16 5 13 Indoor Fan Motor Drip Proof Type Enclos...

Page 18: ... ft 0m Unit inch mm Unit inch mm Piping Connection Side Min 19 11 16 500 Min 3 15 16 100 Single Unit Installation Min 19 11 16 500 Min 19 11 16 500 Service Access Panel Service Access Panel Service Access Panel Min 118 1 8 3000 Multiple Unit Installation Min 3 15 16 100 Min 3 15 16 100 Min 19 11 16 500 Min 19 11 16 500 Min 19 11 16 500 Min 19 11 16 500 Piping Connection Side Min 19 11 16 500 Min 3...

Page 19: ... 0 8 15 0 057 0 6 H Y C IC2024B21S 1 2 15 0 057 0 9 VOL Rated Unit Power Supply Voltage V PH Phase HZ Frequency Hz MCA Minimum Circuit Ampacity A MFA Maximum Fuse Ampacity A OPT Rated Motor Output kW FLA Full Load Ampacity A NOTE Power supply voltage should be satisfied with the following Supply Voltage Rated Voltage within 10 Starting Voltage Rated Voltage within 15 Operating Voltage Rated Voltag...

Page 20: ... 2 8 TC 16002 rev 1 2 10 Sound Data NOTE Operation sound is equivalent to an anechoic chamber free space Noise level will be increased by the surrounding noise and echoes Model H Y C IC2018B21S Model H Y C IC2024B21S ...

Page 21: ... and H Y C IC2024B21S Mark Part Name 1 Heat Exchanger 2 Distributor 3 Strainer 4 Electronic Expansion Valve Unit inch mm Model Distributor A Gas Pipe Connection B Liquid Pipe Connection C OD T D OD T H Y C IC2018B21S H Y C IC2024B21S 6 Pass f5 8 15 88 f3 8 9 52 f5 8 t0 039 15 88 1 0 f1 2 t0 031 12 7 0 8 ...

Page 22: ...quence may be different depending on the outdoor unit model to be connected Refer to the Outdoor Unit Engineering Manual for details Dry Operation The sequence may be different depending on the outdoor unit model to be connected Refer to the Outdoor Unit Engineering Manual for details Heating Operation The sequence may be different depending on the outdoor unit model to be connected Refer to the O...

Page 23: ...y Operation Is compressor running for more than 15 min 1 1 The check interval differs depending on the conditions I U Electronic Expansion Valve Completely Closed No No Yes MIF Operation at Set Fan Speed In case of Dry Operation MIF Operation OFF for 6 min Either Gas or Liquid Pipe Surface Temp of Indoor Heat Exchanger Yes Elapsed Time 15 min Pipe Surface Temp 2 36o F 2o C I U Indoor Unit a a 2 Pi...

Page 24: ...mo ON Set Temp is lower than Air Intake Temp Prevention Control for Excessively High Outlet Air Temperature High Outlet Air Temperature Heat Lockout NOTE Thermo ON The outdoor unit and some indoor units are running Thermo OFF The outdoor unit and some indoor units stay on but don t run Activating Protections The sequence may be different depending on the outdoor unit model to be connected Refer to...

Page 25: ...door units with motion sensors connected to the same wired controller are moved to Mode 3 then the operation is stopped from the wired controller Operation Stop Operation Start Much human activity is accumulated for five times within a 10 minute period or the setting is changed for the motion sensor on the wired controller Much human activity is discerned for three minutes within a 10 minute perio...

Page 26: ...Y C IC2018B21S H Y C IC2024B21S For Evaporator Fan Motor Automatic Reset Non Adjustable Internal Thermostat Cut Out o F o C 212 7 100 4 For Control Circuit Fuse Capacity A 5 Freeze Protection Thermostat Cut Out o F o C 32 0 Cut In o F o C 57 2 14 Thermostat Differential o F o C 35 6 2 ...

Page 27: ...S1 Fuse MIF Motor for Indoor Fan MS1 2 Motor for Automatic Swing Louver MV Electronic Expansion Valve MD Motor for Drain up Discharge Mechanism PCB1 Printed Circuit Board RSW1 Rotary Switch for Unit No Setting Ones Digit DSW6 DIP Switch for Unit No Setting Tens Digit RSW2 Rotary Switch for Refrigerant Cycle No Setting Ones Digit DSW5 DIP Switch for Refrigerant Cycle No Setting Tens Digit TB1 2 Ter...

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Page 29: ...Infrared IR Receiver Kit C2IRK01 3 7 3P Connector Cable PCC 1A 3 8 Remote Sensor THM R2A 3 9 Relay and 3 Pin Connector Kit PSC 5RA 3 10 Wired Controller CIW01 3 11 Simplified Wired Controller CIS01 3 12 Wireless Controller CIR01 3 13 Mini Central Controller CCM01 3 14 Large Central Controller CCL01 3 15 Computerized Central Controller Software Adapter CCCS01 CCCA01 Refer to the Engineering Manual ...

Page 30: ... SOR NED Dimensional Data Unit inch mm Installation State 5 5 16 135 4 5 5 16 135 4 3 3 16 81 1 9 16 40 Connecting Cable CN10 to Electrical Control Box of Indoor Unit 43 5 16 1100 27 15 16 710 Motion Sensor Kit SOR NED 1 9 16 40 3 3 16 81 1 7 8 47 8 2 50 5 ...

Page 31: ...en the motion sensor kit is mounted after the indoor unit s installation be sure to turn off the power source completely before starting installation 2 1 4 3 1 The corner pocket cover with the motion sensor can be attached to any of the corners four directions 1 2 3 and 4 Determine the attaching place as the user requests 2 Remove the corner pocket covers and the corner pocket cover with the motio...

Page 32: ... sensor kit The wiring connection at the indoor unit should be referred to in the Installation and Maintenance Manual of the indoor unit When running the connecting cable run it to the installation position of the receiver kit through the top of the fixing plate for the indoor unit After running the connecting cable take the distance from 3 15 16inch to 7 7 8 inch 100mm to 200mm from the indoor un...

Page 33: ... Mounting Tabs A Mounting Tab B 5 After the installation work for the motion sensor kit is completed attach the corner pocket covers 3 The details should be referred to in the installation manual of the decorative panel NOTE After the motion sensor kit is attached to the decorative panel the one corner pocket cover was attached with decorative panel becomes unnecessary NOTE Securely fasten the cou...

Page 34: ...IGH Specifications Model Item F 90MD K1 Applicable Indoor Unit Model H Y C IC2 B21S 018 and 024 Dust Collection Efficiency 65 Gravimetric Method 1 Airflow cfm m3 min 688 19 5 Initial Pressure Loss in WG Pa 0 07 17 0 End Pressure Loss in WG Pa 0 22 55 9 Color Filter Frame White Brown Life Period 8 Years with maintenance per 2 500 hours Cleaning Not Available change the filter if its life period is ...

Page 35: ...on space 2 The indoor unit and the filters shown in the figure are sold separately Order them for each 3 Refer to the Installation and Maintenance Manual of the filter box for details of installation of the filter box 2 3 8 60 24 9 16 624 33 7 16 850 Filter Holder Resin Decorative Panel Indoor Unit Packing 9 16 15 Before Compression 5 16 8 After Compression 2 11 16 68 Installation Height Galvanize...

Page 36: ...min Usage Fresh Air Intake Outlet Connecting Duct Diameter inch mm f5 7 8 150 Material ABS Resin Flame Resistance UL94V 0 Accessory Packing Fixing Screw Installation Manual 1 3 8 35 2 3 4 70 6 5 8 168 φ6 5 8 168 φ7 3 8 188 1 8 3 φ5 3 8 137 φ5 13 16 148 φ1 4 6 5 x 4 Duct Adapter Guide 3 16t 5t Polyethylene 24 13 16 630 12 3 8 315 5 11 16 144 Fresh Air Intake Duct Adapter Duct Adapter Duct Band Indo...

Page 37: ...emarks 1 IR Receiver Kit C2IRK01 1 with Connecting Cable 2 Connecting Cable 1 3 Wiring Cover 1 for Protection of Connecting Cable 4 Plastic Band 3 for Clamping Wiring Cover and Connecting Cable 5 Installation Manual 1 6 Operation Manual 1 2 1 4 3 3 This IR receiver kit can be attached to any of four corners 1 2 3 or 4 Determine the attachment location according to the purchaser s request NOTE Sett...

Page 38: ...6 to 7 7 8 inch 100 200mm Mounting Plate Relay Connector Indoor Unit Wiring Connection 4 Connect the accessory connecting cable to the terminal block Open the electrical box cover of the indoor unit Attach the connecting cable to terminals A and B in the electrical box There is no polarity with terminals A and B 6 Attach the decorative panel Refer to the installation manual for the decorative pane...

Page 39: ...right Then insert the mounting tab at B to the square hole of the decorative panel 3 Removing Corner Pocket Cover The corner pocket covers can be removed pulling the A part in the direction of the arrow 8 After the installation work for the IR receiver kit is completed attach the corner pocket covers three places For details refer to the installation manual for the decorative panel NOTE After the ...

Page 40: ...he temperature set point and the heating upper limit for the temperature set point are not available The setting is available beyond the upper and lower limit for the temperature set point from the wireless controller The optional function setting Fixing of Setting Temperature is not available When the operation mode is changed from the wireless controller the indicated temperature on the wired co...

Page 41: ...g to the Installation and Maintenance Manual for the Wireless Controller Up to 16 indoor units can be simultaneously controlled using one wireless controller When multiple indoor units are installed in a large room all the indoor units can be controlled to start stop with only one wireless controller NOTE Do not apply a simultaneous operation for indoor units installed separately in different room...

Page 42: ... cables should not run with the power supply cable 208 230V Keep a separation of more than 12 inches or run the cable through a grounded metal conduit OFF ON Unit Number Setting DSW6 Tens Digit RSW1 Units Digit 1 2 3 4 5 6 Set No 1 pin ON OFF ON 1 2 3 4 5 6 DSW6 RSW1 Ex Set for No 16 Unit Setting Position Set by inserting slotted screwdriver into the groove Set at 6 Factory setting for DSW6 and RS...

Page 43: ... unit and the IR receiver kit When the IR receiver kit is connected to multiple indoor units the alarm code is indicated for each indoor unit in order Alarm Code Table Further details for alarm codes can be found in the Installation and Maintenance Manual for the indoor unit After all installations are completed a test run should be performed 1 Perform the test run according to the installation ma...

Page 44: ...supplied wires AWG22 0 3 to 0 5mm2 with soldering Name 3P Connector Cable Model PCC 1A Remarks One set contains five 3P connector cables Specifications Item Specification Model THM R2A Case Material ABS Resin Color Silky White Base Material ABS Resin Color Silky White Sensor Part Name Thermistor Cord Length approx 26 ft 8m 3 8 Remote Sensor THM R2A When a remote temperature sensor is installed wit...

Page 45: ...ut 1 Input level signal or pulse signal for voltage from the third party controller or BMS Voltage 12VDC 10mA Voltage 24VDC 10mA Pulse Range 500ms or more Input 2 Third Party Controller or BMS Output 1 Output signal from the wired controller 24VDC From 10mA to 1A Output 2 Refer to the Indoor Unit Manual for Input Output mode setting by the wired controller Refer to Service Manual for connector num...

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Page 47: ... 4 18 4 14 5 18 7 14 6 18 9 14 6 19 6 14 8 20 1 14 9 20 6 15 0 95 16 9 13 8 17 3 14 0 17 6 14 0 18 0 14 2 18 6 14 4 19 2 14 5 19 6 14 6 110 12 1 9 8 11 9 11 1 11 6 11 0 11 4 9 0 11 5 11 3 11 6 9 2 11 7 11 5 114 10 2 8 4 10 1 10 0 10 0 9 8 9 9 8 0 9 9 9 8 10 0 8 4 10 0 9 9 118 8 3 6 9 8 3 8 3 8 3 6 9 8 3 6 9 8 4 8 3 8 4 7 0 8 4 8 4 70 24 8 19 7 25 3 19 8 25 9 19 9 26 1 19 8 26 9 20 0 27 7 20 3 28 3...

Page 48: ...7 7 17 7 17 7 17 2 16 8 43 18 1 18 0 18 0 18 0 17 5 17 1 47 18 8 18 7 18 7 18 7 18 0 17 1 51 19 5 19 4 19 4 19 2 18 0 17 1 55 20 4 20 2 19 7 19 2 18 0 17 1 59 20 4 20 2 19 7 19 2 18 0 17 1 21 18 9 18 9 18 9 18 9 18 7 18 5 25 19 8 19 8 19 8 19 8 19 5 19 3 29 20 8 20 7 20 8 20 8 20 4 20 1 33 21 7 21 7 21 7 21 7 21 2 20 8 37 22 7 22 6 22 6 22 6 22 0 21 6 41 23 6 23 6 23 5 23 5 22 9 22 4 43 24 1 24 0 ...

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Page 50: ... 2016 Johnson Controls Inc TC 16002 rev 1 Code No LIT 12012262 Revised February 2018 ...

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