York D4IC-360 Technical Information

Rooftop air conditioners

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ROOFTOP Air Conditioners

D4IC-360, 480

(Cool only)

B4IH-360, 480

(Heat pump)

D4IG-360, 480

(Cool only + gas heating)

Technical Information

Ref.: Y-70107 0907

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Page 1 ROOFTOP Air Conditioners D4IC-360, 480 (Cool only) B4IH-360, 480 (Heat pump) D4IG-360, 480 (Cool only + gas heating) Ref.: Y-70107 0907 Technical Information...
Page 3 Index Page Page 1 - Description 7 - Operating limits 8 - Performances D4IC/D4IG 2 - Product nomenclature 8.1.- Cooling capacities D4IC/D4IG-60 3 - Characteristics 8.2.- Cooling capacities D4IC/D4IG-480 .1.- Structure 9 - Performances B4IH .2.- Durable construction ..- Thermal/acoustic insulation 9.1.- Cooling capacities B4IH-60 .4.-...
Page 4 Index Page Page 17.4.- Heating lockout (electric heaters) 1.14.- Firestat 17.5.- Motor overload protection 1.15.- Copper fin coils 1.16.- “Blue Fin” coils 1.17.- Mounting base (Roof Curb), fixed 1.18.- Mounting base (Roof Curb), adjustable 27 - 29 18 - Start-up gas heating, models D4IG 18.1.- Check list prior to start-up 14 - Pulley adjustment and belt tensing 18.2.- Turning on...
Page 5: Product Nomenclature
1 - Description Adequate for installing outdoors, either on the roof or on The B4IH series are reversible heat pump versions with ground level. optional electric heaters as backup. The D4IC series are cool only versions, but accept electric Factory supplied completely assembled, with all neces- heaters for heating.
Page 6 3.11.- Control circuit This aluminium surface causes minimum friction with the air, and is easy to clean. 24 V control circuit that can operate with the optional DPC-1 (communication) thermostat, or a 24 V thermostat with control 3.4.- Base beams signals (Y1, Y2, G, O/B, W).
Page 7: Transportation And Handling
3.20.- Location the outdoor coil. On units with several compressors, it cannot defrost two Use the following guidelines to select an adequate location circuits at the same time. for these units. 1. This equipment is designed for outdoor installation only. 3.19.- Transportation and handling 2.
Page 8 4 - Technical specifications and physical data 4.1.- D4IC (Cool only) and D4IG (Cool only + gas heating) Models Nett cooling capacity 111.6 144.6 Heating and cooling capacities (1) Nominal absorbed power in cool 42.4 52.2 Optional electric heater heating capacity Heating (D4IC) 7 - 50 - 60 7 - 50 - 60...
Page 9 4.2.- B4IH (Heat pump) B4IH Models Nett cooling capacity 107.6 Cooling capacities (1) Nominal absorbed power in cool 59.5 Heating capacities (2) 127.1 16. Nominal absorbed power in heat 41.9 56.7 Heating capacities (1) Optional electric heater heating 7 - 50 - 60 7 - 50 - 60 capacity (400 V) (2) Nominal/start current...
Page 10: Centre Of Gravity
4.3.- Weights of accessories Models Economiser Fixed manual outdoor air damper Barometric extraction damper Extraction fan (axial) Mounting base (Roof Curb), fixed/adjustable 117 / 220 117 / 220 Electric heater Hot water coil High pressure drive (HPD) Cu/Cu coils (evaporating + condensing units) 4.4 - Centre of gravity MODEL 1 085...
Page 11 5 - Dimensions, clearances and accesses Models D4IC, D4IG and B4IH 1815 1470 1815 2150 EXTERIOR BASE 1790 1350 TILTED TILTED BEAM 2200 1760 TOTAL OUTDOOR ROOF 600 (WITHOUT ACCESSORIES) 1900 (WITH ACCESSORIES) - Fig. 4 -...
Page 12 Model D4IG (For further dimensions and details, as per Fig. 4A) 1095 1" BSP FEMALE G1 GAS SUPPLY LINE CONNECTION G2 AIR INTAKE FOR COMBUSTION G3 COMBUSTION GAS DISCHARGE - Fig. 4 B -...
Page 13: Very Important
5.1.- Applications of upward ducts (bottom) Attention: In the case of D4IC/B4IH units with optional hot water coil, or D4IG units with gas heating: (Fig. 5) - The lower impulse section (C2) cannot be accessed 1. Return duct: through access doors (A5). - Access the return section through the access door The unit is delivered without cover (C2), ready for (A1).
Page 14 5.2.- Application of side ducts (Fig.6) . In both cases, make sure of air tightness between the duct and the panel of the unit. 1. Return duct: - Remove and discard the cover (C). 4. Very important: Cover (C5) is related to the opening for - Connect the duct to the flange provided along the the outdoor air intake when the unit is equipped with the entire perimeter of the opening on the side of the...
Page 15: Power And Control Wiring
5.3.- Indoor coil condensed water drain �� - The condensed water drain line must have a siphon for �� correct discharge (see Fig. 7). - The diameter of the tubing used must be at least equal to the connection provided on the side of the unit.
Page 16: Operating Limits
Typical job site wiring CONTROL WIRING CAUTION When connecting the power supply and control wiring to the unit, COOLING/HEATING (DPC-1 24 VAC ELECTRONIC THERMOSTAT)) waterproof type wires must be used to avoid water or humidity getting into the unit during normal operation. These waterproof conditions also apply when a switch is installed at job site.
Page 17 8 - Performances D4IC/D4IG 8.1.- Cooling capacities D4IC/D4IG-360 Air temperature in outdoor coil (DB) Return air 27°C 5°C 46°C Sensible power kW Sensible power kW Sensible power kW Total Total Total power Intake temp. DB power Intake temp. DB power Intake temp.
Page 18 9 - Performances B4IH 9.1.- Cooling capacities B4IH - 360 Air temperature in outdoor coil (DB) Return air 27°C 5°C 46°C Sensible power kW Sensible power kW Sensible power kW Total Total Total power Intake temp. DB power Intake temp. DB power Intake temp.
Page 19 9.3.- Heating capacities B4IH - 360 Outdoor air temperature (DB) °C Return air DB °C 51.9 66.1 82.8 102.5 125.2 16.7 150. 176.7 206.8 49.6 6.5 79.8 98.8 121.1 10.4 14.4 169.1 197.7 Minimum flow 47.9 60.7 76.4 95.1 116.8 126.2 18.6 16.8...
Page 20: Indoor Fan Performances
10 - Characteristics of indoor fan Dual turbine fan, driven by one single belt drive motor. Motor pulley is of adjustable diameter at ½ turn intervals. Motor pulley Fan pulley Motor Belt (adjustable) (fixed) Model Casing Ø pulley Ø shaft Ø...
Page 21 11.3.- Models 480, applications with vertical ducts (bottom) Opening Air flow m adjustment 22 000 2 000 24 000 25 000 26 000 27 000 28 000 of motor pulley A.S.P. A.S.P. A.S.P. A.S.P. A.S.P. A.S.P. A.S.P. (No. of turns) 11.1 11.7 12.2...
Page 22 13 - Accessories Definition: "OPTION" are factory fitted items supplied installed on the unit itself and ready for use; "ACCESSORY" are items that must be installed, fully or in part, at the job site. Section Description Option/Accessory 1.1 Modulating economiser, temperature control Option 1.2 Enthalpy probes for economiser...
Page 23 Dimensions of the economiser/fixed outdoor air intake rain hood 2040 - Fig. 9 - Location of economiser return air damper OUTDOOR OUTDOOR RETURN DAMPER DAMPER SIDE RETURN DUCT RETURN ATTENTION: INDICATE RETURN AIR DUCT LOCATION WHEN PLACING THE ORDER. BOTTOM RETURN DUCT - Fig.
Page 24 13.2.- Enthalpy sensors for economiser of the unit. Includes a rain hood with a grid for protection against birds. Applicable when requiring an economiser control system When it opens, the entering outdoor air increases and the that adapts best to the areas in which the humidity level is return air flow is decreased proportionally, the pressure within important.
Page 25 13.4.- Extraction fan (axial) tive with direct outdoor discharge. This is the adequate extraction system when using an econo- When the return duct connection is at the bottom of the unit, miser or motor-driven damper and an extraction of over 25% the extraction fan assembly is supplied fully installed on the of total impulse air flow is required, and the return is ducted side of the unit.
Page 26: Fixed Outdoor Air Intake Damper
13.5.- Fixed outdoor air intake damper 13.7.- Dirty filter pressure switch Comprises a damper located at the outdoor air intake, and Allows establishing a dry contact when the filters are ob- includes the same rain hood and aluminium mesh filters structed, thus indicating filters need maintenance or replace- as the economiser.
Page 27 13.14.- Firestat the unit can operates correctly at minimum outdoor tempera- tures of -18° C. The unit includes, as standard equipment, an impulse air probe that locks out at 80° C and must be reset manually to 13.10.- Electric heater resume operation.
Page 28: Unit Location
Fixed Roof Curb RETURN GASKET IMPULSE Ø 14 Unit location RETURN SIDE COMPRESSOR ROOFTOP UNIT SIDE ROOF CURB 2955 1160 IMPULSE RETURN SECTION A-A' DUCT DUCT Detail of typical Roof Curb application UNIT (fixed or adjustable) BASE STRIP GASKET FOR NAILS RIGID INSULATION ROOF INSULATION AND...
Page 29 Adjustable Roof Curb RETURN GASKET H: MINIMUM HEIGHT ON LOWEST S I D E D U C T F R A M E , DEPENDING UPON TYPE A, B or C INSTALLATION H= 360 IMPULSE Ø 14 Unit location RETURN SIDE COMPRESSOR ROOFTOP UNIT SIDE...
Page 30 14 - Pulley adjustment and belt tensing 2.- Belt tensing - Tense with tensing screw "A". 1.- Adjusting pulley - If no belt strain gauge is available, use the following practi- - Loosen the belts. Loosen tensing screw "A". cal method: - Loosen studs "B"...
Page 31: Dpc-1 Programmable Digital Ther- Mostat With Communication
15 - DPC-1 programmable digital ther- Cool COOL is displayed with the icon (flashing if under demand, mostat with communication and static if not). Internal view of the thermostat With the front cover up, showing the front panel. The cover Heat is lifted to access the controls only.
Page 32: Thermostat Operation
activated by means of the thermostat only during cool or Air Conditioning mode key �� heat operation. Pressing this key in Normal Mode changes the current air AUTO MODE: If the thermostat selector is set to "AUTO", the conditioning mode (OFF, COOL, HEAT, AUTO, AUTO PROG, unit operates both in the cooling as well as heating modes, EMERG HEAT).
Page 33 16.5.- Heating operation sequence with gas an alarm to the gas board, which resets IC1. The gas board can carry out a maximum of 5 resets while the thermostat (models D4IG) generates the same demand for heat. Then the gas control REQUEST FOR HEAT, 1: If the thermostat generates a de- is locked out and thermostat DPC-1 will display the failure.
Page 34: Operating Procedure
controlled by microswitches (0, 60, 90 minutes). Factory-set and then back to ON. Only three resets can be carried out to 0 minutes. in 24 hours. Defrost can be carried out only when the unit is in heat pump 17.2.- Gas heating lock-out (models D4IG) operation.
Page 35 17.3.- Low gas pressure (models D4IG) 1. Check the type of gas to be used. Make sure it is the same If gas supply pressure falls below the gas pressure switch as shown on the identification plate located on the burner (GS) set point, power supply to the ignition control circuit is assembly access door.
Page 36 ADJUSTING FLYWHEEL STAGE LOCK SCREW ADJUSTMENT OF MAIN REGULATOR ADJUSTING FLYWHEEL 1 STAGE PIN FOR READING CONNECTING OUTPUT PRESSURE TO FLANGE THE MANIFOLD PIN FOR READING PIN FOR READING INPUT MAIN REGULATOR PRESSURE PRESSURE - Fig. 18 - IGNITION ELECTRODE BURNER SUPPLY EXCHANGER PIPE...
Page 37: Gas Consumption
18.6.- Adjustment gas valve/thermal switches Heat switch limits Heating capacity (kW) Gas valve adjustments (mbar) (°C) D4IG Burner Gas type model model Main stage stage Automatic Manual Total (P.C.I.) Nett regulator regulator regulator reset reset GV1: 9 60/480 N420 10,7 2ND-H(G20) 10,5 GV2: 8,8...
Page 38: Maintenance
19 - Maintenance 19.1.- General Maintenance operations should be carried out by qualified To ensure proper operation of the units with minimum energy technical personnel only, updating the maintenance log book consumption and a long service life, a maintenance plan of each unit regularly.
Page 39: Air Filter(S)
- Indoor fan belts: Check correct condition and tension. If in two without the need of any tools, for easy replacement these are to be replaced, the replacements must be of the of the filtering media. same type and size as the originals (see section No. 10), The disposable filters should be installed in accordance and recheck tension within the first 24 operating hours.
Page 40 siphon are not obstructed. Make sure the water evacuates conditions of electrical connections and operation of safety correctly. Prime the siphon (fill with water) if necessary. controls. The bearings of the outdoor as well as indoor fan - Outdoor coils: Eliminate any dirt or residues on the surface motors are of the permanent lubrication type and, therefore, of both sides of the coils, and in the V-shaped air passage do not require maintenance.
Page 41: Gas Injectors
19.2.- Gas heating units, D4IG Gas injectors Visually check for partial obstruction of the calibrated holes, Maintenance operations to be carried out by qualified per- and clean, if necessary (see section 19.). sonal at the beginning of the heating season: Combustion air intake: Gas valve filter Check for any obstruction by objects or dirt.
Page 42: Cleaning Heat Exchanger
- Fig. 25 - 19.4.- Cleaning heat exchanger . The smoke stack interior and the end of the exchanger pipes are now accessible. With adequate combustion regulation, the heat exchanger 4. Using a metal brush with flexible rods, brush and sweep pipes rarely require cleaning.
Page 43: Wiring Diagrams
20- Wiring diagrams 20.1.- Cool only models D4IC-360, D4IC-360G50 400.3.50 (1 of 3) �� ...
Page 44 D4IC-360G50 400.3.50 (2 of 3) �� ...
Page 45 D4IC-360G50 400.3.50 (3 of 3) �� ...
Page 46 20.2.- Cool only models D4IC-480, D4IC-480G50 400.3.50 (1 of 3) �� ...
Page 47 D4IC-480G50 400.3.50 (2 of 3) �� ...
Page 48 D4IC-480G50 400.3.50 (3 of 3) �� ...
Page 49 20.3.- Heat pump models B4IH-360, 400.3.50 (1 of 3) �� ...
Page 50 B4IH-360, 400.3.50 (2 of 3) �� ...
Page 51 B4IH-360, 400.3.50 (3 of 3) �� ...
Page 52 20.4.- Heat pump models B4IH-480, 400.3.50 (1 of 3) �� ...
Page 53 B4IH-480, 400.3.50 (2 of 3) �� ...
Page 54 B4IH-480, 400.3.50 (3 of 3) �� ...
Page 55 20.5.- Cool only + gas heating models D4IG-360, 400.3.50 (1 of 4) �� ...
Page 56 D4IG-360, 400.3.50 (2 of 4) �� ...
Page 57 D4IG-360, 400.3.50 (3 of 4) �� ...
Page 58 D4IG-360, 400.3.50 (4 of 4) �� ...
Page 59 20.5.- Cool only + gas heating models D4IG-480, 400.3.50 (1 of 4) �� ...
Page 60 D4IG-480, 400.3.50 (2 of 4) �� ...
Page 61 D4IG-480, 400.3.50 (3 of 4) �� ...
Page 62 D4IG-480, 400.3.50 (4 of 4) �� ...
Page 63 Configuration of switches Data and dimensions are subject to change without prior notice.
Page 64 www.johnsoncontrols.com...

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D4ic-480 B4ih-360 B4ih-480 D4ig-360 D4ig-480

York D4IC-360 Technical Information

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