York D4IC-360 User Manual Download

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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 D4IC-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: ...temperature 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 5 3 1 Structure 5 3 2 Durable construction 5 3 3 Thermal acoustic insulation 5 3 4 Base beams 6 3 5 Condensed water tray 6 3 6 Duct connections 6 3 7 Wide range of flows fan starts 6 3 8 Access for m...

Page 4: ...ating 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 to start up 35 18 2 Turning on 35 18 3 Start up without YKTOOL portable test tool accessory 35 18 4 Start up with YKTOOL accessory 35 18 5 Check list after start up 35 36 18 6 Adjustment gas valves ...

Page 5: ...0 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 to one side and its entire perimeter overhangs the side panels 3 2 Durable construction All metal parts are made of zinc aluminium coated steel sheeting The outer surface is treated with oven baked po...

Page 6: ...disconnects 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 signals Y1 Y2 G O B W Also allows the use of a system analyser YKtool for the purpose of simplifying commissioning trouble shooting and resolving failures 3 12 Low noise level The compressors indoor f...

Page 7: ...mm 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 structure should be able to support the weight of the equipment its options and or accessories The equipment should be installed on a mounting base or on an adequate frame of steel angles the optional access...

Page 8: ...12 8 Stages Nº 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 ph Hz 400 3 N 50 Indoor fan 3 Nominal air flow m3 h 21 000 25 000 Max static pressure with nominal flow Standard Pa 300 275 HPD Pa 480 465 Maximum flow m3 h 23 000 28 000 Minimum flow m3 h 19 000 22...

Page 9: ...Type 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 static pressure with nominal flow Standard Pa 300 275 HPD Pa 480 465 Maximum flow m3 h 23 000 28 000 Minimum flow m3 h 19 000 22 000 Standard motor kW 9 2 11 Indoor coil evaporating unit No of elements 4 ...

Page 10: ...amper 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 evaporating condensing units kg 205 251 4 4 Centre of gravity Fig 3 MODEL A B C 360 1 085 2 670 780 480 1 100 2 710 800 A CDG B C CDG ...

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 BOTTOM RETURN AIR DUCT CONNECTION C2 BOTTOM IMPULSE AIR DUCT CONNECTION C3 SIDE RETURN AIR DUCT CONNECTION C4 SIDE IMPULSE AIR DUCT CONNECTION C5 OUTDOOR AIR INTAKE WITH OPTIONAL ACCESSORY INDICATION...

Page 12: ...2 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 DISCHARGE ...

Page 13: ...nits 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 impulse duct For this purpose please indicate impulse duct location when placing the order 3 Access doors are equipped with turn locks by means of an 8 mm hexagonal key Once installation is finished ...

Page 14: ...n 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 is equipped with the corresponding accessory economiser or manual outdoor air damper If the unit is not equipped with any of these accessories it is supplied with the cover fitted into place and non...

Page 15: ...ith 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 with the unit need replacement the replacement cable should be of the type shown on the wiring diagram See Wiring Specifications Table The power supply line should be adequately sized for the load Use ...

Page 16: ...mostat 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 the instructions supplied by the manufacturer To connect the thermostat to the unit shielded colour coded 10 x 0 22 mm wires should be used Typical job site wiring CONTROL WIRING 7 Operating limits ...

Page 17: ...2 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 Total power kW Sensible power kW Total power kW Sensible power kW Total power kW Sensible power kW m3 h DB C Intake temp DB Intake temp DB Intake temp DB 30 27 24 22 30 27 24 22 30 27 24 22 Minimum f...

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 Sensible power kW Total power kW Sensible power kW Total power kW Sensible power kW m3 h DB C Intake temp DB Intake temp DB Intake temp DB 30 27 24 22 30 27 24 22 30 27 24 22 Minimum flow 22 000 23 ...

Page 19: ...199 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 temperature DB C 15 10 5 0 5 7 10 15 20 Minimum flow 22 000 14 64 7 83 1 104 8 130 3 159 8 174 5 191 4 226 2 264 7 17 61 4 79 4 100 8 125 5 154 4 166 9 183 1 216 4 252 6 20 59 4 75 8 96 6 120 7 149 1 16...

Page 20: ...ustment 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 vertical ducts bottom ASP Available static pressure 11 2 Models 360 applications with horizontal ducts side Opening adjustment of motor pulley No of turns Air flow m3 h 19 000 20 000 21 000 22 0...

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 22 000 23 000 24 000 25 000 26 000 27 000 28 000 A S P kW A S P kW A S P kW A S P kW A S P kW A S P kW A S P kW 0 470 11 6 440 12 1 415 12 5 385 12 9 355 13 4 310 14 2 265 14 9 1 420 10 8 395 11 2 365...

Page 22: ...on 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 the installation design see 13 3 and 13 4 The economiser can be adapted to operate as a motor driven outdoor air damper which makes it possible to adjust the minimum and maximum outdoor air volume v...

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 RETURN AIR DUCT LOCATION WHEN PLACING THE ORDER ...

Page 24: ...ection 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 at mospheric pressure the damper opens releasing excessive pressure directly outdoors When the return duct connection is at the bottom of the unit the barometric damper assembly and rain hood are supp...

Page 25: ...n 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 included for the connection of the fans to the electrical box of the unit Fig 12 Economiser with axial extraction fan EXTRACTION RETURN AIR OUTDOOR AIR FULLY FACTORY INSTALLED ACCESSORY BOTTOM RETURN ASSEMB...

Page 26: ...ency 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 or replace ment Connected to the DPC 1 thermostat allows viewing the filter icon on its display 13 8 High pressure drive HPD Comprises a motor with greater capacity than the standard motor that allows...

Page 27: ...he 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 characteristics similar to those of the fixed version but with the advantage of being able to level the supporting surface of the unit to compensate the pitch of the rooftop See mounting details in Fig 15...

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 50 50 50 500 50 1685 GASKET 50 670 360 77 283 170 725 1790 725 170 50 50 25 140 50 1890 220 725 25 725 220 1160 127 5 900 900 900 2955 25 Ø 14 127 5 1380 50 IMPULSE AIR DUCT SECTION CLOSED FRAME OUTDO...

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 130 900 900 900 2960 25 Ø 14 130 DUCT SECTION CLOSED FRAME 1380 50 RETURN AIR IMPULSE AIR H 360 H MINIMUM HEIGHT ON LOWEST S I D E O F D U C T F R A M E DEPENDING UPON TYPE A B or C INSTALLATION ...

Page 30: ...xed 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 perpendicular to same With this pressure the belt should move from 12 to 14 mm 3 It is recommendable to check belt tension twice during the first 24 operating hours Caution Disconnect all power supply ...

Page 31: ...G 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 15 2 Key functions Programming key In the Normal Mode and by pressing this key the Program ming Mode is accessed allowing the selection of one of the following options Clock setting day of the week h...

Page 32: ...º 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 requires cool but does not operate in the heating mode If set to HEAT the unit operates in the heating mode when required but not in the cooling mode This cool or heat management varies in accordance wit...

Page 33: ...trol 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 generates a fourth demand the gas control board A7 generates a W4 output terminals 46 47 allowing the gas system to operate at 100 of its capacity Relay KGV2 is activated switching to high speed of the smok...

Page 34: ...r 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 controls 17 1 Cooling lock out The cooling circuit is protected against high pressure HP low pressure LP discharge temperature and repeated starts in cool by means of a suction probe in the summer cycle...

Page 35: ...supply 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 air purged 18 2 Turning on This burner is equipped with automatic ignition systems Do not attempt to ignite it manually 18 3 Start up without the YKTOOL portable test tool accessory 1 Connect power s...

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 ELECTRODE EXCHANGER PIPE BURNER FLAME BLUE ONLY BURNER BURNER SUPPLY MANIFOLD ...

Page 37: ...ulated 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 close attention to the different values in both valves GV1 and GV2 2 With heat stages 1 2 and 3 in operation Adjust the 1st stage regulator V1 on valve GV2 pres sure reading in Pc 3 With heat stage 1...

Page 38: ...d 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 off Frequency 1 month 2 months 6 months annually Belts indoor fan X Air filter X Indoor coil evap unit X Condensed water tray and siphon X Outdoor coils cond units X Outdoor air intake accessory X Refr...

Page 39: ...21 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 vacuum cleaner taking care not to damage the fins Never use water hoses inside the compartment Condensed water tray and siphon Eliminate any dirt or residues Make sure the water outlet and the sipho...

Page 40: ...ectrical 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 is equipped with any of the economiser mo tor driven damper or extracting barometric damper ac cessories check for correct operation of air dampers and motors If equipped with the axial extraction f...

Page 41: ...ications 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 cleaning For cleaning purposes remove the burner assemblies as indi cated in section 19 3 Before beginning this operation turn the gas supply tap off as well as the power supply to the unit 1 Disconne...

Page 42: ...damaging 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 in an outward direction both at the end of the smoke stack as well as at the beginning of the burner section 5 Also brush out the interior of the smoke stack 6 Once brushing is finished clean with co...

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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