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P01432Q-rev.1

3.1 Combination of Outdoor Unit and Indoor Unit

The combination capacity of indoor unit against the outdoor unit is selected depending on the outdoor unit

capacity. Refer to “Installation and Maintenance Manual” for outdoor unit to decide the required combination

of indoor and outdoor units, and the combination unit capacity.

3. Before Installation

3.2 Transportation and Handling

(1)  Transport the product as close to the installation location as possible before unpacking.
(2)  Do not lay any objects on the indoor unit.
(3)  The indoor unit comes crated upside-down with the foam polystyrene condensate pan positioned on

top.

Do not invert the unit until it is ready to be suspended above the floor. Inverting the unit while on the

floor will crush the condensate pan. Do not handle the unit by grabbing at the polystyrene pan and other

air outlets as they are fragile and will sustain damage.

(4) The indoor unit handle is fabricated from foam polystyrene and is susceptible to breakage if any

excessive force is applied as a result of mishandling of the unit during installation.

Содержание YIDH072B21S

Страница 1: ...VERTER DRIVEN MULTI SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS Type Model Ducted High Static H Y IDH072B21S H Y IDH096B21S IMPORTANT READ AND UNDERSTAND THIS MANUAL BEFORE INSTALLING THIS HEAT PUMP AIR CONDITIONER KEEP THIS MANUAL FOR FUTURE REFERENCE ...

Страница 2: ... to verify that your product model numbers have the same version of software Access the main printed circuit board in each product Locate a white sticker with a P XXXX number or Connect a service checker and locate the ROM number For further assistance please contact our Technical Support Center at 1 844 873 4445 and select Option 2 ...

Страница 3: ...d for a specific temperature range For optimum performance and long life operate this unit within the range limits according to the table below This manual should be considered as a permanent part of the air conditioning equipment and should remain with the air conditioning equipment Product Inspection upon Arrival 1 Upon receiving this product inspect it for any damages incurred in transit Claims...

Страница 4: ...eater Field Supplied 13 5 7 1 Selection of Auxiliary Heater 14 5 7 2 Auxiliary Heater Connection 15 5 7 3 Setting for Auxiliary Heater 15 6 Refrigerant Piping Work 16 6 1 Piping Materials 16 6 2 Piping Connection 17 7 Condensate Piping 19 8 Electrical Wiring 21 8 1 General Check 21 8 2 Electrical Wiring Capacity 22 8 2 1 Field Minimum Wire Sizes for Power Supply 22 8 2 2 Details of Electrical Wiri...

Страница 5: ...ect installation could cause leaks electric shock fire or explosion In areas where Seismic Performance requirements are specified the appropriate measures should be taken during installation to guard against possible damage 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 su...

Страница 6: ...nsate can overflow from the condensate pan and could run inside of the electrical box possibly causing electrical failures When installing the unit in a hospital or other facility where electromagnetic waves are generated from nearby medical and or electronic devices be prepared for noise and electronic interference Electromagnetic Interference EMI Do not install where the waves can directly radia...

Страница 7: ...oastal regions Where the air quality is of high acidity Where harmful gases can be generated from decomposition Do not position the condensate 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 condensate pipe is installed incorrectly water leakage and damage to t...

Страница 8: ...he installation work ventilate the room immediately Before installation is complete make sure that the refrigerant leak test has been performed If refrigerant gases escape into the air turn OFF the main switch extinguish any open flames and contact your service contractor Refrigerant Fluorocarbon for this unit is odorless If the refrigerant should leak and come into contact with open flames toxic ...

Страница 9: ...iring is connected to the terminal block In addition run wires securely through the wiring access channel When installing the power lines do not apply tension to the cables Secure the suspended cables at regular intervals but not too tightly Make sure that the terminals do not come into contact with the surface of the electrical box If the terminals are too close to the surface it may lead to fail...

Страница 10: ...ll surfaces and cause damage to carpeted surfaces or furniture below Do not install this system in close proximity to septic sewer lines where flammable and toxic gases can coalesce Inspect the condensate pan before the onset of winter to drain away all accumulated moisture in the pan The heat exchanger of indoor unit overheats whenever there is a slight amount of refrigerant circulating during sl...

Страница 11: ...lation location as possible before unpacking 2 Do not lay any objects on the indoor unit 3 The indoor unit comes crated upside down with the foam polystyrene condensate pan positioned on top Do not invert the unit until it is ready to be suspended above the floor Inverting the unit while on the floor will crush the condensate pan Do not handle the unit by grabbing at the polystyrene pan and other ...

Страница 12: ...mp 17 Crimper for Solderless Terminals 8 Copper Tube Cutter 18 Hoist for Indoor Unit 9 Brazing Kit 19 Ammeter 10 Hexagonal Wrench 20 Voltage Meter NOTICE The controller and branch piping are optional accessories which are not included with the indoor unit If necessary please contact your contractor Accessory Purpose Washer M10 Hose Clamp Qty 8 1 For Unit Suspension For Condensate Pipe Connection C...

Страница 13: ...n the indoor unit is installed in a hospital or other facilities where there are electronic waves from medical equipment a Do not install the indoor unit where the electromagnetic wave is directly radiated to the electrical box communication cable or wired controller b Install the indoor unit and components as far away as practical or at least 9 8ft 3m from any electromagnetic wave radiator c Prep...

Страница 14: ...plied False Ceiling Side Max 29 1 2 750 Vibration proof Rubber Accessory Nut Washer 8 M10 or W3 8 Unit Figure 5 3 Mounting Indoor Unit Figure 5 2 Suspension Bolts 1 15 16 50 5 7 16 138 1 9 16 40 49 3 16 1250 52 3 8 1330 for Suspension Bolt 39 3 8 1000 56 φ1 8 3 Around the Flange 2 9 16 x 1 3 8 65 x 35 for Suspension Bolt Refrigerant Gas Pipe Connection Refrigerant Liquid Pipe Connection Condensate...

Страница 15: ...Washer Vibration proof Rubber Vibration proof Rubber Nut Washer Indoor Unit Retaining Nut 5 4 Adjusting of Unit Level 1 Use a level to verify that the unit is perfectly horizontal There should be no degree of slope present 3 16 inch 5mm Figure 5 6 Adjusting of Unit Level 2 The unit should be installed so that the rear side of the unit is slightly 0 to 3 16 inch 0 to 5mm lower than the front side t...

Страница 16: ... noise splashing water and activation of motor protection circuit activated If the unit external static pressure drops below the duct pressure loss some problems such as inability to change the air speed may occur Set the airflow control damper or shift the static pressure control switch to adjust to almost equalize the level between the external static pressure and the duct pressure loss See Sett...

Страница 17: ...the auxiliary heater directly to the indoor unit Otherwise fire may result from combustible materials inside the indoor unit Route the auxiliary heater wiring so that it can not come into contact with any part of the heater Otherwise fire may result When the auxiliary heater shall be installed and connected duct material should be a sheet metal or non flammable material Otherwise fire may result F...

Страница 18: ...ity from the heater manufacturer Maximum allowable heater capacity is different depending on indoor unit model If cold draft is a problem then select a larger heater capacity within the allowable capacity range If cold draft during defrost is a problem then change the optional function L9 to 01 to turn off both heater and fan operation during defrost 5 7 1 Selection of Auxiliary Heater Auxiliary h...

Страница 19: ... Thermal Fuse X1 X2 X1 X2 Xa Relay and 3 Pin Connector Kit PSC 5RA Unit Side Responsible Field Installation Side Out of Responsibility Automatic Cutout Wired Controller 1 2 3 4 CN1925 PCB1 Indoor Unit PCB1 Pins 3 and 4 of CN1925 1 2 3 4 1 2 3 Connector Cable PCC CN1925 H When PSC 5RA optional part required is used for connection between the auxiliary heater and indoor unit DO NOT connect connector...

Страница 20: ...nce of refrigerant piping length differs depending on the combination with the outdoor unit Refer to Installation and Maintenance Manual of the outdoor unit for details 2 Select the piping size from the following table For details on refrigerant piping work vacuum pump and refrigerant charge refer to the Installation and Maintenance Manual for the outdoor unit Use the specified non flammable refri...

Страница 21: ...ith a wet cloth so that the pipes will not be affected by the heat Because the thermistor is attached near the side panel shown as the figure below be careful not to affect the heat of brazing to the thermistor when brazing the gas refrigerant pipe If the gas refrigerant pipe is affected by the heat it may cause malfunction Liquid Pipe Gas Pipe Cool by a wet cloth Gas Thermistor Take care to ensur...

Страница 22: ...pe Indoor Unit No Gap for Dew Protection Long Band 13 16 inch 20mm Long Band Thermal insulation pipe should be attached so that the seam is on the top Figure 6 2 Insulating Pipes 4 Evacuation and refrigerant charging procedures should be performed according to Installation Maintenance Manual of the outdoor unit Make sure that the refrigerant leak test has been performed Refrigerant fluorocarbon fo...

Страница 23: ...e must be large enough according to the unit size and number of units After performing condensate piping work and electrical wiring ensure that water flows smoothly as in the following procedures Do not put the condensate pipe for the indoor unit into the drainage trench where corrosive gases occur Otherwise poisonous gases flow into the room which may cause poisoning NOTICE 1 25 1 25 Drain Up Len...

Страница 24: ...at Switch a Turn ON the power supply b Pour 68 to 84oz 2 to 2 5 liters of water into the condensate pan c Ensure that the water flows smoothly and no water leakage occurs When water cannot be found at the end of the condensate piping check for leaks in main condensate line if none are found repeat test until water is observed at end of main condensate line NOTICE ...

Страница 25: ...bles between units and choose the cables correctly If not an electrical shock or fire may occur Do not open the service cover or access panel for the indoor or outdoor units without turning OFF the main power supply It can result in an electrical shock Turn OFF the main power switch of the indoor unit and the outdoor unit before attempting any electrical wiring work or a periodical check is perfor...

Страница 26: ...he crankcase heater needs this time interval to warm the compressor oil up to operating temperature Do not touch any of the parts by hand at the discharge gas side since the compressor chamber and the pipes at the discharge side are heated higher than 194o F 90o C Heat Pump System Heat Recovery System 8 2 2 Details of Electrical Wiring Connection The electrical wiring capacity of the outdoor unit ...

Страница 27: ...le Do not use any cable with more than two conductors Twisted pair or shielded cable can be used in environments with excessive electrical noise to reduce the possibility of communication errors between system components Total cable length should not exceed 3281 ft 1000m Select the wiring size GFCI in accordance with the regulations for each region the Installation and Maintenance Manual and the d...

Страница 28: ...crew Size Tightening Torque TB1 M4 0 7 1 0 1 0 1 3 ft lbs N m TB2 M3 5 0 9 1 2 ft lbs N m A B C Screw NOTICE Terminal Block for Power Supply Wiring TB1 Terminal Block for Communication Cable TB2 L1 L2 1 2 A B Do not connect the main power supply wiring to the communication line Terminals A B 1 and 2 of TB2 If these are connected the printed circuit board PCB will be destroyed Note the following fo...

Страница 29: ...ingle wire is used fashion it into the shape as shown at right and connect it in order to tighten the washer uniformly The screws at the terminal block should be tightened according to the torque specification as shown in the table above Stranded Wire Single Wire Connect it with Crimping Terminal Connect it Direct As Shown Below 8 All electrical work should be performed in strict accordance with e...

Страница 30: ...ontroller b The combination of twin triple or quad is controlled by single wired controller c The address for the indoor unit is changed from the wired controller NOTICE VRF Systems c Wired Controller Connections between different Refrigerant Cycles a Wired Controllers to each Unit for Individual Operation Setting b Single Wired Controller for Individual Operation Setting Outdoor Unit A B Outdoor ...

Страница 31: ...mmunication cable into one terminal The manual switchbox is required when communication cable is required Indoor Unit Switchbox S Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit S G F C I G F C I R L1 S L2 Mp N R L1 S L2 Mp N R L1 S L2 Mp N R L1 S L2 Mp N R L1 S L2 Mp N R L1 S L2 Mp N ...

Страница 32: ...er supply wiring to the terminals L1 L2 of TB1 in the electrical box Connect the ground wiring to the ground terminal inside the electrical box When connecting the power supply wiring and the ground wiring outside of the unit run through the conduit tube 4 Tightly clamp the power supply wiring the ground wiring the wired controller cable and the communication cable utilizing the cable band Wired C...

Страница 33: ...ole with Rubber Bushing 6 15 16 177 8 9 16 217 2 5 16 58 Electrical Control Box Insert the communication cables and wired controller cable into the PVC tube VW 1 600V Accessory to separate them from the power supply wirings in the indoor unit Secure the both ends of the PVC tube by cable band Accessory If shielded cable is used terminate at the ground terminal NOTE Unit inch mm Electrical control ...

Страница 34: ...or unit in theory supplants the number zero For the centralized control this setting is required 1 2 3 4 ON OFF Setting Position 72 Indoor Unit Capacity MBH 96 1 2 3 4 ON OFF 1 2 3 4 ON OFF 5 Unit Model Code Setting DSW4 No setting is required It is for setting the model code of the indoor unit 1 2 3 4 5 6 ON OFF 1 2 3 4 5 6 ON OFF DSW6 Tens Digit Unit No Setting RSW1 Units Digit Setting Position ...

Страница 35: ... the outdoor units before DIP switch settings Otherwise the setting will be invalidated and not take effect NOTES The mark indicates setting for DIP switches Figures show setting before shipment When the unit number and the refrigerant cycle are set record the unit number and refrigerant cycle to facilitate service and maintenance thereafter NOTICE 8 6 Selecting Static Pressure with Electrical Wir...

Страница 36: ... to the controller is 1 one In this case 4 is displayed Press All to select all the indoor units connected to the wired controller OK Test Run Menu Input Output Thermistor Selection Function Selection 01 03 Test Run Entr Rtrn Sel Back Function 5 4 Press and select the item to change 5 Press and change the setting 6 Press OK to display the confirmation screen 7 Select Yes and press OK The test run ...

Страница 37: ... 5 0 1 0 5 2 1 0 Auxiliary Heater OFF Compensation q3 o F o C 0 0 0 1 0 5 C Ambient Temperature Restriction Setpoint 1 q4 o F o C 4 20 0 2 17 0 8 13 0 14 10 0 20 7 0 26 3 0 32 0 0 13 25 0 8 22 0 Ambient Temperature Restriction Setpoint Compensation 1 q5 o F o C 4 2 5 5 3 0 6 3 5 1 0 5 2 1 0 3 1 5 3 2 0 Auxiliary Heater OFF at Defrosting Operation L9 Not Available Available Not displayed when fahre...

Страница 38: ...ation for the setback function can be selected on the wired controller Refer to Function Selection by Wired Controller section for details OK Test Run Menu Input Output Thermistor Selection Function Selection 01 03 Test Run Entr Rtrn Sel Back Function 5 CN3 1 2 3 1 2 3 1 2 3 CN3 TB1 PSC 5RA Card Key No Voltage a Contact When the card key is inserted i e someone is in the room then the contact turn...

Страница 39: ...nections 3 Check to ensure that the main power supply has been turned ON for more than 12 hours to warm up the compressor oil by the crankcase heater 4 Verify that all DIP Switch settings are correct Refer to Section 8 5 DIP Switch Settings 9 2 Test Run After all installation work is completed Test Run should be performed 1 Check to ensure that stop valves gas and liquid for the outdoor unit are f...

Страница 40: ...eck temperature pressure and operation frequency and interconnected indoor unit numbers by 7 Segment displays e To complete Test Run press On Off again or wait for the set Test Run time to pass When changing the Test Run time press or to select TEST TIME Then set the test run time 30 to 600 minutes by pressing or Adj Sel OFF Test Run 2 units MODE SPEED AUTO COOL Test Time 120min Inverter 60Hz The ...

Страница 41: ... or insufficient total indoor unit capacity code 32 Incorrect setting of other indoor unit number Problem with a different Indoor Unit in the same refrigerant cycle Failure at the power supply defective PCB 35 Incorrect setting of indoor Indoor unit number duplicated in same refrigerant group 36 Incorrect indoor unit combination Indoor unit is designed for other refrigerant R22 or R407C 38 59 Prob...

Страница 42: ...38 P01432Q rev 1 10 Fan Performance Curves NOTE The settings for Normal and High Static Pressure Mode can be changed by changing the position of the connector inside of the indoor unit ...

Страница 43: ......

Страница 44: ... 2018 Johnson Controls Inc P01432Q rev 1 Code No LIT 12013138 Revised February 2019 ...

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