York B4IH-360 Technical Information Download Page 1

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Ref.: Y-70107 0907

ROOFTOP Air Conditioners

D4IC-360, 480

(Cool only)

B4IH-360, 480

(Heat pump)

D4IG-360, 480

(Cool only + gas heating)

Technical Information

Summary of Contents for B4IH-360

Page 1: ...Ref Y 70107 0907 ROOFTOP Air Conditioners D4IC 360 480 Cool only B4IH 360 480 Heat pump D4IG 360 480 Cool only gas heating Technical Information...

Page 2: ......

Page 3: ...emperature control 26 13 10 Electric heater 27 13 11 Hot water coil 27 13 12 Indoor air quality control probe IAQ 27 13 13 Smoke detector 27 1 Description 5 2 Product nomenclature 5 3 Characteristics...

Page 4: ...ting lockout models D4IG 34 17 3 Low gas pressure models D4IG 35 17 4 Heating lockout electric heaters 35 17 5 Motor overload protection 35 18 Start up gas heating models D4IG 35 18 1 Check list prior...

Page 5: ...7 kW 2 Product nomenclature 3 Characteristics 3 1 Structure Designed to evacuate rainwater and condensed water easily from the unit The roofing surface of the evaporating section is slightly tilted t...

Page 6: ...isconnects the power supply to the main board of the unit 3 11 Control circuit 24 V control circuit that can operate with the optional DPC 1 communication thermostat or a 24V thermostat with control s...

Page 7: ...m thick The length and width should be at least 150 mm more than the base beams of the units Do not fasten the bed frame to the foundation of the build ing 4 For rooftop installation the roof structur...

Page 8: ...2 8 Stages N 4 4 Compressors Nominal start current A 21 x3 167 21 x2 38 167 272 Type SCROLL SCROLL No of circuits 3 3 Refrigerant R 407C Circuit No 1 2 3 kg 12 7 12 7 12 7 12 7 12 7 26 Power supply V...

Page 9: ...ype SCROLL SCROLL No of circuits 3 3 Refrigerant R 407C Circuit No 1 2 3 kg 13 7 13 7 13 7 13 7 13 7 27 9 Power supply V ph Hz 400 3 N 50 Indoor fan 3 Nominal air flow m3 h 21 000 25 000 Maximum stati...

Page 10: ...mper kg 64 64 Extraction fan axial kg 129 129 Mounting base Roof Curb fixed adjustable kg 117 220 117 220 Electric heater kg 34 34 Hot water coil kg 54 54 High pressure drive HPD kg 0 44 Cu Cu coils e...

Page 11: ...195 94 BEAM A2 C2 A1 ACCESS ECONOMISER FILTERS RETURN A2 ACCESS INDOOR FAN AND COIL A3 ACCESS ELECTRICAL BOX A4 ACCESS COOLING CIRCUIT A5 ACCESS HEATING IMPULSE ACCESSORIES A6 ACCESS OUTDOOR COILS C1...

Page 12: ...Model D4IG For further dimensions and details as per Fig 4A Fig 4 B A1 A6 A6 A2 230 1095 G3 G3 G2 G1 1 BSP FEMALE G1 GAS SUPPLY LINE CONNECTION G2 AIR INTAKE FOR COMBUSTION G3 COMBUSTION GAS DISCHARG...

Page 13: ...its with optional hot water coil or D4IG units with gas heating The lower impulse section C2 cannot be accessed through access doors A5 The unit is delivered without cover C2 ready for connecting the...

Page 14: ...the side of the unit 3 In both cases make sure of air tightness between the duct and the panel of the unit 4 Very important Cover C5 is related to the opening for the outdoor air intake when the unit...

Page 15: ...th electrical regulations An automatic and differential switch should be installed on job site for the unit This switch should be independent of all other circuits Should any of the cables supplied wi...

Page 16: ...ostat should be located on an inner wall at about 1 5 m above floor level where it will not be exposed to air flows direct sunlight or heat from other elec tric devices For general installation follow...

Page 17: ...8 85 7 71 1 15 101 8 101 8 101 8 101 8 92 3 97 3 97 3 97 3 97 3 85 0 87 2 87 2 87 2 87 2 86 0 Data in compliance with EUROVENT conditions Return air Air temperature in outdoor coil DB 27 C 35 C 46 C...

Page 18: ...100 5 100 5 85 8 71 2 89 5 89 5 89 5 84 4 69 7 15 98 3 98 3 98 3 98 3 90 8 93 9 93 9 93 9 93 9 83 5 84 1 84 1 84 1 84 1 84 1 Return air Air temperature in outdoor coil DB 27 C 35 C 46 C Total power kW...

Page 19: ...99 8 20 48 4 61 4 77 3 96 1 118 2 127 6 139 7 165 7 193 9 23 46 7 58 6 73 8 92 2 113 4 122 9 135 1 159 7 186 5 25 44 3 55 1 71 8 89 6 110 5 119 9 131 8 155 3 182 1 m3 h Return air DB C Outdoor air tem...

Page 20: ...nt and tensing procedure Attention When starting the installation up and once air distribution is balanced in the conditioned space impulse air flow should be checked 11 1 Models 360 applications with...

Page 21: ...11 8 75 12 3 4 320 8 5 280 8 9 235 9 4 190 9 9 140 10 4 85 10 9 5 270 7 8 225 8 3 175 8 7 125 9 2 70 9 8 6 210 7 2 170 7 8 120 8 2 60 8 6 Opening adjustment of motor pulley No of turns Air flow m3 h 2...

Page 22: ...n must be indicated upon placing the order see Fig 10 If necessary the economiser can include as options the enthalpy probe control see 13 2 as well as an excess air extraction system when required by...

Page 23: ...air intake rain hood Location of economiser return air damper Fig 9 Fig 10 2040 910 OUTDOOR AIR RETURN AIR BOTTOM RETURN DUCT DAMPER OUTDOOR AIR RETURN AIR DAMPER SIDE RETURN DUCT ATTENTION INDICATE R...

Page 24: ...ction against birds When it opens the entering outdoor air increases and the return air flow is decreased proportionally the pressure within the building rises When this pressure is greater that the a...

Page 25: ...duct connection is on the side of the unit it must be installed at the job site directly on the front surface of the return duct as close as possible to the unit In this case a wiring hose is include...

Page 26: ...ncy ASHRAE 52 76 90 Fire proof classification DIN5348 F1 13 7 Dirty filter pressure switch Allows establishing a dry contact when the filters are ob structed thus indicating filters need maintenance o...

Page 27: ...e roof See mounting details in Fig 15a 13 18 Mounting base Roof Curb adjustable type For installation on rooftops with pitches of up to 4 7 or 6 5 11 depending upon the location of the unit With chara...

Page 28: ...URB ROOF SUPPORTING STRUCTURE COMPONENTS NOT SUPPLIED WITH THE ACCESSORY 50 50 140 2955 COMPRESSOR SIDE RETURN SIDE RETURN DUCT IMPULSE DUCT ROOF CURB ROOFTOP UNIT SECTION A A 1160 77 RETURN AIR 1790...

Page 29: ...SECTION A A 1130 77 OUTDOOR SUPPORT A 4 MAX 4 MAX 6 5 MAX 11 MAX B C 7 MAX 7 MAX 170 170 25 725 725 1790 77 200 52 1894 222 725 25 725 222 50 500 50 1685 GASKET 50 670 50 1790 50 50 1130 130 900 900 9...

Page 30: ...ixed hub core of the pulley 2 Belt tensing Tense with tensing screw A If no belt strain gauge is available use the following practi cal method Apply a pressure of 5 kg on the midpoint of the belt and...

Page 31: ...HEAT are displayed Fan Only The fan only mode is accessed in the OFF mode by pressing the key which selects the fan speed In this way the air conditioning system is off and only the fan is operative...

Page 32: ...C between the cool and heat set points this value can be increased with the DPC 1 thermostat COOL HEAT If the thermostat is set to COOL the unit oper ates in the cooling mode when the thermostat requ...

Page 33: ...rol board A6 generates a W3 output terminals 42 43 allowing the gas system to operate at 75 of its capacity The smoke discharge motor relay M8 is activated REQUEST FOR HEAT 4 If the thermostat generat...

Page 34: ...one minute even if there is no call Simultaneous defrost of two stages is not allowed and one of these remains in standby until the operating procedure of the other is over 17 Safety features and con...

Page 35: ...upply line is in compliance with safety regulations and is prepared to supply adequate gas flow and pressure See technical specifications in sections 4 1 and 18 8 Gas supply pipes to the unit must be...

Page 36: ...FLYWHEEL 2ND STAGE V2 LOCK SCREW T ADJUSTING FLYWHEEL 1ST STAGE V1 PIN FOR READING OUTPUT PRESSURE TO THE MANIFOLD Pc PIN FOR READING MAIN REGULATOR PRESSURE Pa PIN FOR READING INPUT PRESSURE IGNITION...

Page 37: ...lated in section 18 6 and in compliance with Fig 18 1 With the 4 heat stages in operation Adjust the main regulator pressure reading in Pa Adjust the 2nd stage regulator V2 pressure reading in Pc Pay...

Page 38: ...out by qualified technical personnel only updating the maintenance log book of each unit regularly Attention Before opening any access to the interior of the unit all power supply should be turned of...

Page 39: ...1 Air filters Indoor coil A visual inspection is recommended during the maintenance operation of the filters The entire surface of the fins must be kept clean If cleaning is needed use a soft brush or...

Page 40: ...ctrical connections and operation of safety controls The bearings of the outdoor as well as indoor fan motors are of the permanent lubrication type and therefore do not require maintenance If the unit...

Page 41: ...cations appearing in section 18 5 19 3 Burner and injector inspection instruc tions Burners Visually inspect the flame of the burners see Fig 19 If the flame is not correct the burners could require c...

Page 42: ...amaging the air tightness gasket Fig 26 3 The smoke stack interior and the end of the exchanger pipes are now accessible 4 Using a metal brush with flexible rods brush and sweep each one of the pipes...

Page 43: ...43 20 Wiring diagrams 20 1 Cool only models D4IC 360 D4IC 360G50 400 3 50 1 of 3...

Page 44: ...44 D4IC 360G50 400 3 50 2 of 3...

Page 45: ...45 D4IC 360G50 400 3 50 3 of 3...

Page 46: ...46 20 2 Cool only models D4IC 480 D4IC 480G50 400 3 50 1 of 3...

Page 47: ...47 D4IC 480G50 400 3 50 2 of 3...

Page 48: ...48 D4IC 480G50 400 3 50 3 of 3...

Page 49: ...49 20 3 Heat pump models B4IH 360 400 3 50 1 of 3...

Page 50: ...50 B4IH 360 400 3 50 2 of 3...

Page 51: ...51 B4IH 360 400 3 50 3 of 3...

Page 52: ...52 20 4 Heat pump models B4IH 480 400 3 50 1 of 3...

Page 53: ...53 B4IH 480 400 3 50 2 of 3...

Page 54: ...54 B4IH 480 400 3 50 3 of 3...

Page 55: ...55 20 5 Cool only gas heating models D4IG 360 400 3 50 1 of 4...

Page 56: ...56 D4IG 360 400 3 50 2 of 4...

Page 57: ...57 D4IG 360 400 3 50 3 of 4...

Page 58: ...58 D4IG 360 400 3 50 4 of 4...

Page 59: ...59 20 5 Cool only gas heating models D4IG 480 400 3 50 1 of 4...

Page 60: ...60 D4IG 480 400 3 50 2 of 4...

Page 61: ...61 D4IG 480 400 3 50 3 of 4...

Page 62: ...62 D4IG 480 400 3 50 4 of 4...

Page 63: ...63 Configuration of switches Data and dimensions are subject to change without prior notice...

Page 64: ...www johnsoncontrols com...

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