Carrier 42S Series- Manuals

4 Carrier 39F Q uick Selection The air volume entering the finned coil section determines the unit size as follows, 1.5 m/s minimum velocity (cooling or heating) 2.6 m/s maximum velocity for cooling coil without droplet eliminator 3.15 m/s maximum velocity for cooling coil with droplet eliminator 4....

Carrier 39F C omponents LIST OF COMPONENTS AND THEIR CASING LENGTH Airflow from left to right Component Symbol Length in Module M Empty box Door Damper on outside of case : full face half face Box with one damper Mixing box with two dampers Combination mixing box with three dampers Side withdrawal f...

7 Carrier 39F C asing GENERAL The 39F casings comes with double skin features and consist of penta post frame, fixed and removable panels, and internal insulation. The casing constructions are designed with air-tightness, thermal and acoustical insulated features. The sturdy construction of panels r...

8 Carrier 39F D imensions GENERAL The physical size and internal dimensions of the Air Handling Unit is determined by the number of modules. Each module has a constant value of 315mm. Module dimensions are the same for both 39FD and 39FX series but the external dimensions will be different due to di...

Carrier 39F D ampers GENERAL Functions 1. Antifreeze (for minimal leakage) 2. Two-way or three-way mixing 3. Bypass 4. Multizone Features • Standard construction flange case frame from 1.5 mm galvanized steel sheet at both side. • Less resistance sintered bronze (oilite) bushing and self lubricating...

Standard damper size (mm) 1 2 3 4 5 6 7 8 9 10 1 183 183 498 813 1128 1443 1758 2073 2388 2703 3018 2 498 183 498 813 1128 1443 1758 2073 2388 2703 3018 3 813 183 498 813 1128 1443 1758 2073 2388 2703 3018 4 1128 183 498 813 1128 1443 1758 2073 2388 2703 3018 5 1443 183 498 813 1128 1443 1758 2073 2...

Carrier 39F F ilters GENERAL Recommended filters for 39F Air Handling Unit are tested by AFTL (American Filter Testing Laboratory) as per ASHRAE 52.1-1992 test method for performance, arrestance grade and flame protection. The media is made of synthetic polyester fiber (except for metallic filter me...

FILTER CHARACTERISTICS Efficiency The definition of filter efficiency is the capability of the filter to retain particles. The filter efficiency is supplied together with an indication of test method being used or else the definition is meaningless. quantity of retained dust Efficiency (%) = -------...

19 Weights and dimensions of filters used in 39F units Unit size 39F l/s max at 2.5 m/s Weight (kg) l/s max at 3.5 m/s Weight (kg) l/s max at 4 m/s Weight (kg) 914 x 610 914 x 305 610 x 610 610 x 305 220 860 3 4400 2 5050 2 1 230 1310 4 6550 3 7500 4 1 1 240 1740 6 8850 4 10100 4 2 330 1970 6 9900 4...

Carrier 39F F ans GENERAL Fans offered for the 39F Air Handling Units are from high performance centrifugal fans. The fan quality, airside and acoustics performances of the fans are tested in compliance with international standard either AMCA or DIN. The fans are able to operate in a temperature ran...

FAN OUTLET OPENING Fan sizes 160 180 200 225 250 280 315 355 L, mm 205 229 256 288 322 361 404 453 Fan sizes 400 450 500 560 630 710 800 900 1000 L, mm 507 569 638 715 801 898 1007 1130 1267 19 (Click here for Fan Curves)

Fan and Motor Assembly on the Fan and Motor Base (FMB) 20

Carrier 39F M otors Features Standard features on motors used with Carrier 39F centrifugal fans are as below. • Motors are of Totally Enclosed Fan Cooled (TEFC) type with finned casing surface. • Index of Protection IP 55 that protect motor from dust and water. • Metal frame from aluminum and steel ...

Carrier 39F D rives Transmission of power from fan motor to fan is provided by means of a set of pulleys and matching v-belts. The pulleys are taperlocked to the fan and motor shaft. Optional variable pitch pulley fixed to the motor shaft is available for motor size up to 5.5 kW. Carrier 39F Air Han...

Carrier 39F C oils FEATURES • Carrier 39F Air Handling Units offering several coil applications such as chilled water, hot water, direct expansion (DX) and steam coil. • Coils performances are rated accordance to ARI 410. • Coil designed and manufactured as per Carrier Standard and according to ANSI...

Face velocity (m/s) Pressure loss (Pa) Air pressure loss through droplet eliminator Chilled water coil sitting. Notes: 1. Coil section length (refer dimensions in table below) 2. Dimensions are based on 25mm thick casing 3. For 50mm thick casing, add 25mm to the following dimensions, a. W b. Z c. 12...

Carrier 39F E lectric Heaters General • Electric heater shall be of the cartridge type. • Heaters shall be framed with a slide in-out track so that the complete assembly is removable. Standard Electric Heater – Open Wire Type • Standard electric heater shall be from Open Wire Type. • Heating wire sh...

32 Standard Heater for Carrier 39F AHU 400V/ 3 phase. Model Heating power (kW) steps Model Heating power (kW) steps 6 3 - 3 30 15 - 15 6 6 45 15 - 15 - 15 12 6 - 6 60 15 - 15 - 30 18 6 - 6 - 6 75 3 X 15 - 30 24 6 - 6 - 12 90 15 - 15 - 30 - 30 9 9 105 15 - 15 - 30 - 45 18 9 - 9 150 15 - 15 - 30 - 30 ...

33 Carrier 39F H eat Recovering System GENERAL The recovery of thermal energy from exhaust air will increase the overall efficiency of an air conditioning system. Recovered heat E% = --------------------- x 100 Recoverable heat The heat recover heat is dependent on the prevailing external conditions...

36 Carrier 39F H umidifiers GENERAL Air humidification can be obtained by: - adiabatic process (constant heat) - isothermal process (constant temperature) Adiabatic Humidification (with water spray) At constant enthalpy part of the sensible heat content of the air is converted into latent heat of ev...

37 - Two spray trees humidifier satisfies the requirements The actual leaving air conditioners are Xl = 0.80 x (8.5 – 3.0) +3 = 7.4 g/kg Leaving air temperature: 14.5°C with 75% r.h. Weight of humidifiers and water charges 50 60 70 80 90 100 2 2.2 2.4 2.6 2.8 3 3.2 3.4 Coil Face Ve locity (m/s) E ff...

38 Dimensional drawing Physical data Unit size 39F A (mm) B (mm) Max air volume l/s Recirculated water volume l/s Pump kW Suction dia Supply dia Recirculated water volume l/s Pump kW Suction dia Supply dia 220 680 650 0.24 0.55 1" 1" 0.32 0.55 1" 1" 230 995 995 1150 0.42 0.55 1" ...

39 Carrier 39F S ound Attenuators GENERAL Where a significant reduction to fan noise is required attenuators can be provided. DESCRIPTION Sound absorption is achieved by installing mineral wool splitters (non-combustible class MO fire code), fixed in galvanized steel frames and mounted parallel to t...

Carrier 39F A pplication Guide Parts of the considerations while selecting an AHU are the space area available for installation and the unit application. This limitation will determine the unit size and unit configuration. SERVICE CLEARANCE Allow adequate clearance for servicing and maintenance acce...

43 Carrier 39F O ptions A. CASING 1. Galvanized and painted steel roofing The roof sheets are cross-braked for added stiffness and to facilitate water runoff and are overhung on all sides. Slip joints assure water tightness between adjacent sheet. 2. Sub base 100 mm high, galvanized and painted 39F ...

G uide Specifications GENERAL 39FD/FX Series Central Station Air Handling Units are designed based on Carrier ‘Moduflex’ Series. The design of the Central Station Air Handling Units is based on the use of standardized modular panels and ‘penta-post’ construction of perimeter frames. The standard and...

Part-2 Casing Construction (Standard) 2.10 Roof Curb 2.10.01 Roof curb shall be from heavy gauge (3-mm) galvanized steel (option); folded to form strong and rigid structure. 2.10.02 Standard roof curb height shall be 100-mm. Part-3 Air Mixing Section 3.01 General 3.01.01 Dampers construction should ...

Part-4 Air Filter Section 4.04 HEPA/Absolute Filter 4.04.01 Absolute filter is up to 630-mm depth synthetics or glass fiber bag media and supported with galvanized steel or aluminum frames. 4.04.02 Absolute filter shall be flame resistance Class-1 according to UL 900. 4.04.03 Absolute air filter DOP...

Part-5 Water & DX Coil Section 5.05 Access Panel 5.02.01 Removable panel shall be assembled at coil section’s casing wall. 5.05.02 Panels shall be bolted externally for air-tightness, easy removal and quick reassemble to facilitate access for servicing and maintenance. Part-6 Electric Heater Sec...

Part-7 Fan And Drive Section 7.02 Fan Construction 7.02.07 For VAV application, Inlet Guide Vane (IGV) can be available for backward and aerofoil fan; fan size range from 400 to 1000 (option). 7.02.08 Fan window and fan drainage valve can be available (option). 7.03 Fan Motor 7.03.01 Design and perf...

51 Carrier 39F S election Tools and Sample Selection Following is an example of an AHU selection by utilizing some of the tools made available such as Carrier Flexair Software, Psychrometric chart and a fan curve. STEP 1: AHU Requirements All parameters and detail specifications needed for selection...

52 AHU size Module size for component Component description Section pressure drop Physical description Component performance Access orientation Unit physical information for reference Flexair Summary Printout Example

55 When placing an order, please ensure that the following data are properly specified. This would enable us to serve you better and avoid any delay and to avoid potential error in processing your order. ORDER NO. (PLEASE FILL IN THE TABLE STATING THE SIDE OF SERVICE) No AHU Index 39F Model 39F Size...

56 Carrier 39F C onversion Table From To Multiply by LENGTH inches millimeters mm 25.4 feet meters m 0.3048 yards meters m 0.9144 miles kilometers km 1.609 AREA Square inches square millimeters mm 2 654.2 Square feet square meters m 2 0.0929 Square yards square meters m 2 0.8361 VOLUME Cubic feet cu...