
Ref.: N-27376 1208ROOFTOP Air ConditionersD4IC-360, 480 (Cool only)B4IH-360, 480 (Heat pump)D4IG-360, 480 (Cool only + gas heating)Technical Informati
104.3.- Weights of accessoriesModels kg360 480Economiser kg 93 93Fixed manual outdoor air damper kg 75 75Barometric extraction damper kg 64 64Extracti
115 - Dimensions, clearances and accesses- Fig. 4 -Models D4IC, D4IG and B4IH(Models only D4IG, see fig. 4B)A1132A5A6 A6YXX17903235003205001815A6A61200
12Model D4IG(For further dimensions and details, as per Fig. 4A)- Fig. 4 B -A1A6 A6A22301095G3G3G2G11" BSPFEMALEG1 GAS SUPPLY LINE CONNECTIONG2 A
135.1.- Applications of upward ducts (bottom) (Fig. 5)1. Return duct: - Access the return section through the access door (A1). - Loosen t
145.2.- Application of side ducts (Fig.6)1. Return duct: - Remove and discard the cover (C3). - Connect the duct to the flange provided alo
15- Fig. 7 -5.3.- Indoor coil condensed water drain- The condensed water drain line must have a siphon for correct discharge (see Fig. 7).- The diam
16- Fig. 8 -CAUTIONWhen connecting the power supply and control wiring to the unit, waterproof type wires must be used to avoid water or humidity ge
178 - Performances D4IC/D4IG8.1.- Cooling capacities D4IC/D4IG-3608.2.- Cooling capacities D4IC/D4IG-480Return airAir temperature in outdoor coil (DB)
189 - Performances B4IH9.1.- Cooling capacities B4IH - 3609.2.- Cooling capacities B4IH - 480Data in compliance with EUROVENT conditions.Return airAir
199.3.- Heating capacities B4IH - 3609.4.- Heating capacities B4IH - 480Data in compliance with EUROVENT conditions.Conditions out of compressor range
2010 - Characteristics of indoor fanDual turbine fan, driven by one single belt drive motor. Motor pulley is of adjustable diameter at ½ turn interval
2111.3.- Models 480, applications with vertical ducts (bottom)11.4.- Models 480, applications with horizontal ducts (bottom)12 - Pressure drop of acce
2213 - AccessoriesDefinition: "OPTION" are factory fitted items supplied installed on the unit itself and ready for use; "ACCESSORY"
23Dimensions of the economiser/fixed outdoor air intake rain hoodLocation of economiser return air damper- Fig. 9 -- Fig. 10 -2040910OUTDOORAIRRETURNAI
2413.2.- Enthalpy sensors for economiserApplicable when requiring an economiser control system that adapts best to the areas in which the humidi
2513.4.- Extraction fan (axial)This is the adequate extraction system when using an econo-miser or motor-driven damper and an extraction of over 25% o
2613.5.- Fixed outdoor air intake damperComprises a damper located at the outdoor air intake, and includes the same rain hood and aluminium mes
2713.14.- FirestatThe unit includes, as standard equipment, an impulse air probe that locks out at 80° C and must be reset manually to resume
28- Fig. 15a -Fixed Roof CurbUnit locationDetail of typical Roof Curb application(fixed or adjustable)UNITBASEGASKETROOF INSULATION ANDSEALING MATERIAL
29- Fig. 15b -Adjustable Roof CurbUnit locationType of installation (indicate upon ordering)50 502002960COMPRESSORSIDERETURN SIDERETURNDUCTIMPULSEDUCT
37 - Operating limits 168 - Performances D4IC/D4IG 178.1.- Cooling capacities D4IC/D4IG-360 178.2.- Cooling capacities D4IC/D4IG-480 179 - Perfo
3014 - Pulley adjustment and belt tensing1.- Adjusting pulley- Loosen the belts. Loosen tensing screw "A".- Loosen studs "B" to
3115 - DPC-1 programmable digital ther-mostat with communicationInternal view of the thermostatWith the front cover up, showing the front panel.
32Air Conditioning mode key Pressing this key in Normal Mode changes the current air conditioning mode (OFF, COOL, HEAT, AUTO, AUTO PROG, EMERG HE
3316.5.- Heating operation sequence with gas (models D4IG)REQUEST FOR HEAT, 1: If the thermostat generates a de-mand for heat, the YKlon board ac
34controlled by microswitches (30, 60, 90 minutes). Factory-set to 30 minutes.Defrost can be carried out only when the unit is in heat pump operation.
3517.3.- Low gas pressure (models D4IG)If gas supply pressure falls below the gas pressure switch (GS) set point, power supply to the ignition control
36- Fig. 18 -- Fig. 19 -ADJUSTMENT OF MAINREGULATORCONNECTINGFLANGE+++PBrADJUSTING FLYWHEEL2ND STAGEV2LOCKSCREWTADJUSTING FLYWHEEL 1STSTAGEV1PIN FOR R
3718.6.- Adjustment gas valve/thermal switchesD4IGmodelBurner modelHeating capacity (kW)Gas typeGas valve adjustments (mbar)Heat switch limits (°C)Tot
3819 - Maintenance19.1.- GeneralTo ensure proper operation of the units with minimum energy consumption and a long service life, a maintenance
39- Indoor fan belts: Check correct condition and tension. If these are to be replaced, the replacements must be of the same type and size as the ori
413.15.- Copper fin coils 2713.16.- “Blue Fin” coils 2713.17.- Mounting base (Roof Curb), fixed 2713.18.- Mounting base (Roof Curb), adjustable 27 -
40siphon are not obstructed. Make sure the water evacuates correctly. Prime the siphon (fill with water) if necessary.- Outdoor coils: Eliminate any d
4119.2.- Gas heating units, D4IGMaintenance operations to be carried out by qualified per-sonal at the beginning of the heating season:Gas valve filterC
4219.4.- Cleaning heat exchangerWith adequate combustion regulation, the heat exchanger pipes rarely require cleaning. If there is an accumulation of
4320- Wiring diagrams20.1.- Cool only models D4IC-360, D4IC-360G50 400.3.50 (1 of 3)
44D4IC-360G50 400.3.50 (2 of 3)
45D4IC-360G50 400.3.50 (3 of 3)
4620.2.- Cool only models D4IC-480, D4IC-480G50 400.3.50 (1 of 3)
47D4IC-480G50 400.3.50 (2 of 3)
48D4IC-480G50 400.3.50 (3 of 3)
4920.3.- Heat pump models B4IH-360, 400.3.50 (1 of 3)
51 - DescriptionAdequate for installing outdoors, either on the roof or on ground level.The D4IC series are cool only versions, but accept el
50B4IH-360, 400.3.50 (2 of 3)
51B4IH-360, 400.3.50 (3 of 3)
5220.4.- Heat pump models B4IH-480, 400.3.50 (1 of 3)
53B4IH-480, 400.3.50 (2 of 3)
54B4IH-480, 400.3.50 (3 of 3)
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6This aluminium surface causes minimum friction with the air, and is easy to clean.3.4.- Base beams The base beams are fixed and provide a foundation f
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63Configuration of switchesData and dimensions are subject to change without prior notice.
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7the outdoor coil.On units with several compressors, it cannot defrost two circuits at the same time.3.19.- Transportation and handlingSuspend
84 - Technical specifications and physical data4.1.- D4IC (Cool only) and D4IG (Cool only + gas heating)(1) Data in compliance with Eurovent. Summer:
94.2.- B4IH (Heat pump)(1) Data in compliance with Eurovent. Summer: Indoor DB 27° C / WB 19° C, outdoor DB 35° C. Winter: Indoor DB 20° C, outdoor
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