York IDH072B21S Series Installation And Maintenance Manual Download Page 31 | Manualshive

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P01432Q-rev.1

27

Caution for Electrical Wiring

● Do not connect the power supply wiring and the communication 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

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Summary of Contents for IDH072B21S Series

Page 1: ...ERTER 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 CO...

Page 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 check...

Page 3: ...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 t...

Page 4: ...ater 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...

Page 5: ...ct 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 a...

Page 6: ...sate 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...

Page 7: ...astal 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 co...

Page 8: ...e 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 mai...

Page 9: ...ring 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...

Page 10: ...l 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 condens...

Page 11: ...ation 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 inv...

Page 12: ...p 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 a...

Page 13: ...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 radi...

Page 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...

Page 15: ...asher 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 de...

Page 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 spe...

Page 17: ...he 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...

Page 18: ...ty 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 capac...

Page 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...

Page 20: ...ce 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 th...

Page 21: ...h 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 th...

Page 22: ...e 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 refri...

Page 23: ...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 no...

Page 24: ...t 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...

Page 25: ...les 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 mai...

Page 26: ...e 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...

Page 27: ...e 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 betwee...

Page 28: ...rew 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...

Page 29: ...ngle 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 speci...

Page 30: ...ntroller 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...

Page 31: ...munication 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...

Page 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 w...

Page 33: ...e 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...

Page 34: ...r 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 Mode...

Page 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 t...

Page 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...

Page 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 Ambien...

Page 38: ...tion 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 Se...

Page 39: ...ections 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 R...

Page 40: ...ck 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 ch...

Page 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 defectiv...

Page 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...

Page 43: ......

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

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