1. Manuals
  2. Brands
  3. Carrier Manuals
  4. Air Conditioner
  5. 42BJ ULTRA
  6. Selection manual

Carrier 42BJ ULTRA Selection Manual

Local air conditioning unit sizes 1.6 - 2.6 - 4.7
Hide thumbs Also See for 42BJ ULTRA:
Table of Contents

Advertisement

Quick Links

Download this manual
42BJ ULTRA Sizes 1.6 - 2.6 - 4.7
Local Air
Conditioning Unit
Fresh air
inlet
ULTRA
Selection manual
Hot/chilled water
inlet/outlet
Thermophonic ducting
Supply/return
ModuBoot

Advertisement

Table of Contents
loading

Related Manuals for Carrier 42BJ ULTRA

Summary of Contents for Carrier 42BJ ULTRA

  • Page 1 42BJ ULTRA Sizes 1.6 - 2.6 - 4.7 Local Air Conditioning Unit Hot/chilled water Fresh air inlet/outlet inlet Thermophonic ducting Supply/return ModuBoot ULTRA Selection manual...

  • Page 2: Table Of Contents

    Contents 1 - INTRODUCTION ..................................3 1.1 - Air quality .....................................3 1.2 - Carrier QUALITY PLUS................................3 2 - FEATURES ....................................5 2.1 - Physical and electrical data................................5 2.2 - Dimensional drawings ..................................6 3 - SAFETY CONSIDERATIONS AND REGULATIONS......................10 3.1 - General......................................10 3.2 - Precautions against electrocution..............................10 3.3 - Installation Recommendations..............................10...

  • Page 3: Introduction

    Low “urban” conditions having a non-corrosive, dust free and non- noise was a key objective in the design of the 42BJ ULTRA. In marine environment. addition its available static pressure allows the unit to be instal- The concentrations of the following chemicals must not be led well away from the air conditioned space.

  • Page 4: Features

    The fan motor access door is coated with 13 mm of fibre wool and the air filter access panel is covered with 5 mm of foam. The modular design of the 42BJ ULTRA allows it to be used efficiently to meet the heating, cooling and air conditioning NOTE: requirements of medium-sized rooms.

  • Page 5: Physical And Electrical Data

    10 bar. Contact your local Carrier representative for advice if an application requires an operating pressure of 16 bar. Based on water entering at 6°C, room air at 25°C dry bulb, 50% relative humidity and 5 K ∆t at nominal air flow.

  • Page 6: Dimensional Drawings

    2.2 - Dimensional drawings 2.2.1 - Clearances for maintenance, mm Size 1.6 Removable drain pan and coil assembly Filter access side door Fan motor access door Clearance for lower filter access panel Size 2.6 Removable drain pan and coil assembly Electric heater Filter access side door Fan motor access door...
  • Page 7 2.2.1 - Clearances for maintenance, mm (continued) Size 4.7 Removable drain pan and coil assembly Filter access side door Fan motor access door Clearance for lower filter acces panel 1100...
  • Page 8 2.2 - Dimensional drawings, continued 2.2.2 - Dimensions, mm Size 1.6 Ø 16 condensate outlet Grommet Detail rep. 1 Legend: 1 Suspension lugs 2 Coil hot/chilled water 3 Electromechanical controller 4 Air filter 5 Hot/chilled water supply and return connections 6 Fresh air connection 7 Return air duct connection 8 Supply air duct connection...
  • Page 9 2.2.3 - Dimensions, mm (continued) Size 4.7 1100 Ø 249 42.5 1040 Ø 8.5 Grommet Ø 8.5 Legend: 1 Suspension lugs 2 Coil hot/chilled water 3 Electromechanical controller 4 Air filter 5 Hot/chilled water supply and return connections 6 Fresh air connection 7 Return air duct connection 8 Supply air duct connection 9 Water flow control valves...

  • Page 10: Safety Considerations And Regulations

    Disconnect the main power sup- ply with an isolating device (not supplied by Carrier). IMPORTANT: The components, which make up the different controls loops described in this manual include electronic items.

  • Page 11: Application Details

    (computers, copiers etc.). cally 35BD/35SR) located in the false ceiling of the room. The concept of the 42BJ ULTRA is based on controlling two An appropriate volume of chilled, dehumidified air is introdu- separate fluids to compensate for variations in the cooling and ced into the room to compensate for the total heat gains from heating loads imposed in the peripheral areas of the building.

  • Page 12: Heating

    Fresh air will be which can provide the ideal heating capacity even at low tem- supplied to each 42BJ ULTRA at a constant temperature and perature), hot and chilled water distribution systems, 42BJ...

  • Page 13: Principal Components Of The 42Bj

    6.1 - Fresh air controller Fire rating medium M1, metal frame The 42BJ ULTRA can be fitted with a constant fresh air flow controller allowing the number of air changes to be controlled Three filter access options are provided on the 42BJ: accurately.

  • Page 14: Water Coil

    6.3 - Water coil 6.5 - Electric heater - size 1.6 The water coil has aluminium fins which are expansion-bonded. Electric resistance heater type Water inlet and outlet connections are threaded 1/2" or 3/8" gas • Specification: 230 V (±10%) - 1 ph - 50 Hz (size 2.6).

  • Page 15: Carrier Electromechanical Controller

    7.1 - Description The ULTRA may be fitted with an electromechanical controller The heating resistors and casing form a single plug-in unit to developed and tested by Carrier in our research and develop- simplify dismantling for maintenance purposes. ment laboratories.

  • Page 16: The Various Ultra Configurations Available

    7.2 - The various ULTRA configurations available Each ULTRA can be fitted with one or two on/off valves, two or three ports and flexible water pipes, depending how the unit is configured. NOTE: The features of the valves and flexible pipes are given in the chapter called “Technical specifications”. a) The ULTRA is fitted with a 5-row cooling coil (2 pipes).
  • Page 17 7.2 - The various ULTRA configurations available Each ULTRA can be fitted with one or two on/off valves, two or three ports and flexible water pipes, depending how the unit is configured. NOTE: The features of the valves and flexible pipes are given in the chapter called “Technical specifications”. c) The ULTRA is fitted with a 5 row cooling coil and 1 row heating coil (4 pipes).

  • Page 18: Technical Specification For The Heating/Cooling Changeover Switch

    ULTRA. It detects temperature changes in the fluid circulating This on/off type servomotor is used with the electromechanical in the primary water circuit. A changeover switch operates controller (Carrier room thermostat). according to the water temperature in accordance with the dia- gram below.
  • Page 19 8.1.2 - Two-port valve body 8.1.2.1 - Features • G1/2" flat-joint thread • Straight valve body in non-nickel plated Rg5 bronze with arrow indicating direction of flow engraved on valve body. • Stainless steel stem • Brass valve • MEPD seating joint (modified ethylene-propylene-diene) •...

  • Page 20: Flexible Water Pipes

    8.1.3.2 - Water pressure drop through three-port valve body Kvs: 1. Movement A-AB Kvs: 0.63. Movement B-AB Pressure drop (kPa) To convert l/h to l/s, divide by 3600. 8.2 - Flexible water pipes • Materials - Pipes: MEPD-based elastomer (modified ethylene-propy- lene-diene) - Braid: 304L stainless steel - Insulation: cell foam rubber to M1 fire rating (chilled...

  • Page 21: Coding

    9 - CODING Characters Coding Type of unit Size of unit Air flow range Control system Type of coil Type of air filter acces Type of fresh air controller Packaging Modification status Product source: Montluel Specials (digits 15+16 reserved for the factory) Characters Code Designation...

  • Page 22: Accessories

    LATERAL FILTER ACCESS OPTION FILTER TOP ACCESS OPTION FRESH AIR CONTROLLER DRAIN PAN AND COIL ASSEMBLY ELECTRIC HEATER (SIZES 2.6+4.7) THREE-SPEED FAN MOTOR FILTER ACCESS OPTION FROM BELOW FAN ACCESS PANELS 10 - ACCESSORIES 10.4 - Condensate drain pump A broad range of accessories is available to allow the 42BJ to be installed in a wide range of applications.

  • Page 23: Adjustable Feet For Installing An Ultra In A False Floor

    10.5 - Adjustable feet for installing an ULTRA in a false floor An ULTRA may be installed in a false floor. Adjustable feet are available as optional extras intended to be fitted on site. For further information please contact your local representative. Procedure for fitting.: HIGH POSITION LOW POSITION...

  • Page 24: Performance Tables

    11 - PERFORMANCE TABLES 11.1 - Cooling capacities, kW 11.1.1 - Size 1.6 (5 rows) Relative humidity 40 % Air flow, l/s (m 55,5 (200) 83,3 (300) 94,4 (340) 111,1 (400) 125,0 (450) 139,0 (500) 153,0 (550) 167,0 (600) Entering air dry bulbs temperature °C 1,11 0,88 0,70...
  • Page 25 11.1 - Cooling capacities, kW, continued 11.1.2 - Size 2.6 (5 rows) Relative humidity 40 % Air flow, l/s (m 55,5 (200) 83,3 (300) 111,1 (400) 139,0 (500) 153,0 (550) 189,0 (680) 167,0 (600) 194,0 (700) Entering air dry bulbs temperature °C 6-11 1,24 0,96...
  • Page 26 11.1 - Cooling capacities, kW, continued 11.1.3 - Size 4.7 (5 rows) Relative humidity 40 % Air flow, l/s (m 69,0 (250) 97,0 (350) 125,0 (450) 153,0 (550) 181,0 (650) 208,0 (750) 236,0 (850) 264,0 (950) Entering air dry bulbs temperature °C 6-11 1,50 1,13...

  • Page 27: Heating Capacities, Kw

    TSA - Air discharge temperature (°C) rature must not exceed 55°C. DE - Water flow rate (l/h) NOTES: To avoid all risk of stratification, Carrier advises to keep discharge air temperature below 35°C. To convert l/h to l/s please divide by 3600...
  • Page 28 TSA - Air discharge temperature (°C) rature must not exceed 55°C. DE - Water flow rate (l/h) NOTES: To avoid all risk of stratification, Carrier advises to keep discharge air temperature below 35°C. To convert l/h to l/s please divide by 3600...
  • Page 29 TSA - Air discharge temperature (°C) rature must not exceed 55°C. DE - Water flow rate (l/h) NOTES: To avoid all risk of stratification, Carrier advises to keep discharge air temperature below 35°C. To convert l/h to l/s please divide by 3600...
  • Page 30 TSA - Air discharge temperature (°C) rature must not exceed 55°C. DE - Water flow rate (l/h) NOTES: To avoid all risk of stratification, Carrier advises to keep discharge air temperature below 35°C To convert l/h to l/s please divide by 3600...
  • Page 31 TSA - Air discharge temperature (°C) rature must not exceed 55°C. DE - Water flow rate (l/h) NOTES: To avoid all risk of stratification, Carrier advises to keep discharge air temperature below 35°C To convert l/h to l/s please divide by 3600...

  • Page 32: Cooling And Heating Coils Pressure Drop

    11.3 - Cooling and heating coils pressure drop 11.3.1 - Water pressure drop, 5-rows coil Sizes 1.6 & 2.6 Size 2.6 Size 1.6 Pressure drop (kPa) Sizes 4.7 Size 4.7 Pressure drop (kPa) NOTES: The curves are plotted for water temperature: •...
  • Page 33 11.3.2 - Water pressure drop, 1-row coil Sizes 1.6 & 2.6 Size 1.6 Size 2.6 Pressure drop (kPa) Sizes 4.7 Size 4.7 Pressure drop (kPa) NOTES: The curves are plotted for water temperature: • Heating: 50°C • Cooling: 6°C To convert l/h to l/s please divide by 3600...

  • Page 34: Sound Power Level

    11.4 - Sound power level ULTRA size 1.6 ULTRA size 2.6 Octave band frequency, Hz Octave band frequency, Hz Qv-P Type Qv-P Type l/s (m /h)-Pa l/s (m /h)-Pa 63,6 61,2 62,4 66,5 58,9 68,0 GV 194,4-700-80 170,6-614-47 72,0 68,2 67,8 67,2 64,0...

  • Page 35: Air Flow/Available Static Pressure: Characteristics

    11.5 - Air flow/available static pressure: characteristics 11.5.1 - ULTRA size 1.6 (166 l/s - 600 m Available static pressure (Pa) as a function of air flow (m /h or l/s) Six-row coil Available static pressure, Pa...
  • Page 36 11.5 - Air flow/available static pressure: characteristics 11.5.2 - ULTRA size 2.6 (194 l/s or 700 m Available static pressure (Pa) as a function of air flow (m /h or l/s) Six-row coil Available static pressure, Pa...
  • Page 37 11.5 - Air flow/available static pressure: characteristics 11.5.3 - ULTRA size 4.7 (264 l/s - 950 m Available static pressure (Pa) as a function of air flow (m /h or l/s) Six-row coil Available static pressure, Pa...

  • Page 38: Electrical Data

    11.6 - Electrical data ULTRA size 1.6 (600 m /h or 166 l/s) ULTRA size 4.7 (950 m /h or 264 l/s) Pressure Pressure (V)* (V)* 0,98 1860 178,5 0,80 1265 0,96 1870 170,6 0,79 1280 0,90 2 150 160,6 0,77 1290 0,88...

  • Page 39: Specification Guide

    12 - SPECIFICATION GUIDE • The two-port or three-port motorised water flow control valves shall be provided with flexible water pipes fitted • Supply 42BJ fan coil units for VAV systems in accordance with 1/2" threaded nuts to simplify site connections and with the certified drawings.
  • Page 40 Whether you live in the tropics or in Greenland Whether you suffer from the heat, from the cold or from lack of air CARRIER has the solution and can show it to you in the demonstration suite The programmes available ✔...

Table of Contents