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| Questionnaire |
Following questionnaire is sole property of DUEX® and its use in any or other form is not allowed without written permission from DUEX®
HVAC System
(Mention below min, nom and max values for parameters)
Note:
• Attach separate sheet if required
• Enter parameter values in IP or SI units
How did you came to know about DUEX® (underline the appropriate)
Magazine / News paper / Search engine / Through our engineer / Verbal reference |
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| 1) General Questionnaire: |
Sr |
Question |
Data |
Measurement unit |
1 |
Application / process |
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2 |
Type of industry |
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3 |
Location (city) |
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4 |
Room area (L X W) |
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5 |
Room height (H) |
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6 |
Number of people (min and max) |
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7 |
Type of equipment (AHU / VENTILATOR) |
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| 2) Basic Questionnaire: |
Sr |
Question |
Data |
Measurement unit |
| 1 |
Room volume (m3) |
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| 2 |
Existing temperature DB (deg C) |
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| 3 |
Desired temperature DB (deg C) |
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| 4 |
Existing Relative humidity (% RH) |
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| 5 |
Desired Relative humidity (% RH) |
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| 6 |
Door size and door openings per hour |
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| 7 |
Activity of people |
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| 8 |
Heat produced by equipment (kW load) |
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| 9 |
Insulation for wall (brick / RCC / wooden / PUF panel) |
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| 10 |
Insulation for ceiling ( AL / gypsum / POP / wooden / thermocol) |
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11 |
DPG +(3)/++(6) mm WC |
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12 |
TERMINAL AIR VELOCITY 2/3/4/5/6 FPS |
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| 3) Detailed Questionnaire: |
| Sr |
Question |
Options |
Desired |
Measurement unit |
| A |
Type of HVAC unit |
• AHU / Ventilator / Comfort AC/ Ducting |
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| B |
Type of cooling |
• DX / Indirect |
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| C |
Class |
• 100, 1000, 10000, 100000 |
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| D |
Standard |
• USFDA, GMP, WHO |
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| E |
Air changes |
• 21, 25, 30, 45, 60 |
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| F |
SKIN |
• SINGLE/DOUBLE SKIN |
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OUTER • GI / SS • 18/20/22/24 SWG • Pre / powder coated / plain INNER • GI / SS • 18/20/22/24 SWG • Pre / powder coated / plain |
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| G |
AIR VOLUME |
• 200 to 100000 CFM |
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| H |
STATIC PRESSURE |
• 50 to 150 mm WC |
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| I |
AHU INCLUDES |
• CASING • BLOWER • MOTOR • COOLING COIL • FILTER • DRAIN TRAY • CONTROL BOX |
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| 1) |
CASING CONSTRUCTON |
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AHU SECTION |
• GI • Extruded Al |
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AHU PANEL |
• SINGLE • DOUBLE SKIN |
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SKIN |
OUTER • GI / SS 304 • 18/20/22/24 SWG • Pre / powder coated / plain INNER • GI / SS 304 • 18/20/22/24 SWG • Pre / powder coated / plain |
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INSULATION |
• PUF injected • PUF sheet |
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PANEL THICKNESS |
• 25 mm, 45 mm |
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| 2) |
BLOWER |
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MAKE |
• KRUGGER/NICOTRA/PULLMAN |
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O/L VELOCITY |
• 20-200 ft/sec |
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FAN PULLEY |
• PCD 80 TO 800 |
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GROOVE |
• 2A/2B/3B/V belt |
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FAN TYPE |
CENTRIFUGAL • DIDW/SISW |
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BLADE TYPE |
• FORWARD/BACKWARD CURVED |
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BLADE MATERIAL |
• GI/SS |
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| 3) |
MOTOR |
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MAKE |
• CROMPTON/KIRLOSKAR/SIEMENS/ABB (TEFC) FOOT MOUNTED MOTOR |
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TYPE |
• FLAMEPROOF (FLP)/NON FLAME PROOF |
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RATING |
• 0.37 TO 55 kW |
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VOLTS |
• 415/440/460 ± 10% VOLTS 3 ph |
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DEGREE OF PROTECTION |
• IP 55 |
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| 4) |
COOLING COIL/ HOT WATER COIL (OPTIONAL) |
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MAKE |
• DUEX |
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TYPE |
• CHILLED/BRINE WATER/ DX COIL |
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ROW |
• 2/4/6 ROWS |
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COIL FACE AREA |
• 5–150 SQFT |
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COILS OUTER DIA. |
• 3/8, 1/2, 5/8 |
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TUBES MATERIAL |
• COPPER |
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FINS MATERIAL |
• ALUMINIUM/COPPER |
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FOOT PER INCH (F.P.I.) |
• 10-12 |
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AIR TEMPERATURE |
• 10/-10 DEG C |
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COIL EXPANDED PRESSURE |
• 1800/2000 PSI |
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| 5) |
FILTER |
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MAKE |
• DUEX/JOHN FOWLER/SA air system |
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MODEL |
• PRE, MICROVEE, FINE HEPA, MINI HEPA |
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CASING METAL SHEET |
• AL/ GI/ CRCA |
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PRE FILTER |
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EU-2 EFF./PRESSURE DROP |
• 85% DOWN TO 20 MICRONS/ 0.08” (2mm) |
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EU-3 EFF./PRESSURE DROP |
• 90% DOWN TO 10 MICRONS/ 0.15” (3.8mm) |
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EU-4 EFF./PRESSURE DROP |
• 95% DOWN TO 10 MICRONS/ 0.15” (3.8mm) |
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MICROVEE FILTER |
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EU-5 |
• 80% DOWN TO 5 MICRONS |
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EU-6 |
• 99.9% DOWN TO 5 MICRONS & PRESSURE DROP 0.25” |
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FINE FILTER |
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EU-7 |
• 65% DOWN TO 0.3 MICRON |
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EU-8 |
• 50% DOWN TO 0.3 MICRONS |
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HEPA FILTER |
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HEPA FILTERS GRADE |
• EU-10, EU-11, EU-12 |
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EU-10 |
• 95% DOWN TO 0.3 MICRONS |
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EU-11 |
• 99.97% DOWN TO 0.3 MICRONS |
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EU-12 |
• 99.99% DOWN TO 0.3 MICRONS |
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MINI HEPA FILTER |
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SUPER HEPA GRADE |
• EU-13 |
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| 6) |
DRAIN TRAY (WATER CONDENSING) |
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TYPE |
• SINGLE SKIN/ DOUBLE SKIN |
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INNER SKIN MATERIAL |
• 18/20 GAUGE SS 304 |
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OUTER SKIN MATERIAL |
• 20 GAUGE GI |
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DRAIN SOCKET |
• 1”/ 2” NB- GI • Single/double drain |
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| 7) |
DAMPER DETAILS |
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TYPE |
• FRESH AIR, RETURN AIR, SUPPLY AIR, BYPASS DAMPER |
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CASING |
• 16/18 SWG • Opposed/parallel blade |
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MOC |
• GI/AL (aerofoil)/SS 304 |
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| 8) |
TERMINAL BOX |
• GI/SS |
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• WITH or W/o DAMPER • WITH or W/o FIRE DAMPER |
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• 610X610X305 • 450X450X305 • 300X300X305 |
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| 9) |
CONDENSING UNIT |
• VOLTS/BLUE-STAR/LG |
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COMPRESSOR |
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TYPE |
• SCROLL/RECIPROCATING |
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MAKE |
• KIRLOSKAR-COPELAND, DANFOSS |
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TON |
• 0.5-150 TR |
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| 10) |
CONTROL BOX |
• MS POWDER COATED/SS 304 |
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• CONTACTOR L&T/SIEMENS/MERLIN GERIN |
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• MCCB L&T/SIEMENS/MERLIN GERIN/ALLEN BRADELY |
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• R-Y-B INDICATOR LAMP/LED |
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• WIRES FINOLEX/LAPP |
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• CABLE FINOLEX |
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• TERMINALS WAGO (SCREWLESS)/ELMEX (SCREW TYPE)/ |
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| 11) |
ACCESSORIES |
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• CORNERS AL/NY |
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• HINGES MADE HARD NYLON |
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• SUPPLY, RETURN, FRESH AIR OPPOSED BLADE VOLUME CONTROL. • MANUAL/MOTORISED DAMPER • SUPPLY?RETURN DAMPER • COIL BYPASS DAMPER • FRESH/EXHAUST AIR DAMPER 10/30% |
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• MIST ELIMINATOR AFTER COOLING COIL. • DPG- MAGNELELIC analog/digital • LIMIT SWITCH FOR FAN DOOR • FLEXIBLE CONNECTION OF CANVASS |
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• VIEW GLASS(INSPECTION WINDOW) POLYPROPELENE/ACRYLIC |
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Comments, suggestions, complaints :
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