Carrier Atmosphera 42EM A Series Manual Download

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42EM

Ducted Fan Coil Unit

Selection manual

Supply
Moduboot

Summary of Contents for Atmosphera 42EM A Series

Page 1: ...42EM Ducted Fan Coil Unit Selection manual Supply Moduboot...

Page 2: ...densate drain pan 19 4 5 Electric heater 19 4 6 Fan motor assembly 20 5 DIFFERENT ATMOSPHERA CONFIGURATIONS 21 6 CONTROL 22 6 1 Control with room thermostat only 23 7 TECHNICAL SPECIFICATIONS 24 7 1 V...

Page 3: ...e absence of noise is a deciding factor for the comfort of the occupants The 42EM Atmosphera has been designed to be particularly quiet Low noise levels and easy maintenance are key factors influencin...

Page 4: ...guration on site The modular model consists of a non ducted base unit on which a return air plenum factory assembled can be installed Compact in line models These one piece units are ducted in line su...

Page 5: ...lar model with insulation class 0 in accordance with BS 476 part 6 and 7 and metal spigots C compact model with standard insulation D compact model with insulation class 0 in accordance with BS 476 pa...

Page 6: ...uration filter removal is from the rear of the unit Filter 42EMxxA 42EMxxB There are two types of ducted units available the modular version base unit plus return air plenum sub assembly Filter 42EMxx...

Page 7: ...2 0 02 ppm H2 S 0 02 ppm NO NO2 1 ppm NH3 6 ppm N2 O 0 25 ppm Recommended coil water quality At installation handover and then periodically every year it is advised to analyse the water for bacteria d...

Page 8: ...4 pole asynchronous internal overload protection permanent capacitor class B winding insulation varnish class F Maximum absorbed power at 230 V W 119 110 128 182 229 Nominal current A 0 52 0 52 0 60 0...

Page 9: ...ernal overload protection permanent capacitor class B winding insulation varnish class F Maximum absorbed power at 230 V W 110 128 182 229 Nominal current A 0 52 0 60 0 82 1 02 Starting current A 1 4...

Page 10: ...ce required mm Sizes 1 2 and 3 Non ducted return air Sizes 1 2 and 3 Ducted return air B C A A C B A B C 42EM Size 1 220 850 250 42EM Size 2 220 1250 250 42EM Size 3 220 1250 250 A B C 42EM Size 1 50...

Page 11: ...11 2 5 2 Overall dimensions mm Size 1 Non ducted return air Size 1 Ducted return air modular model 42EM10A 42EM10B 42EM10A 42EM10B...

Page 12: ...12 2 5 Dimensional drawings cont Size 1 Ducted return air compact in line model 42EM10C 42EM10D...

Page 13: ...cted return air modular model 2 5 2 Overall dimensions mm Size 2 Non ducted return air H 42EM Size 2 0 225 42EM Sizes 2 1 2 2 2 3 250 H 42EM Size 2 0 225 42EM Sizes 2 1 2 2 2 3 250 42EM2xA 42EM2xB 42E...

Page 14: ...14 2 5 Dimensional drawings cont Size 2 Ducted return air compact in line model H 42EM Size 2 0 225 42EM Sizes 2 1 2 2 2 3 250 42EM2xC 42EM2xD...

Page 15: ...imensions mm Size 3 Non ducted return air H 42EM Size 3 0 225 42EM Sizes 3 1 3 2 3 3 250 H 42EM Size 3 0 225 42EM Sizes 3 1 3 2 3 3 250 Left hand connections Left hand connections Right hand connectio...

Page 16: ...16 2 5 Dimensional drawings cont Size 3 Ducted return air compact in line model H 42EM Size 3 0 225 42EM Sizes 3 1 3 2 3 3 250 Left hand connections Right hand connections 42EM3xC 42EM3xD...

Page 17: ...circuit breaker If neces sary an easily operated emergency stop device such as a punch button switch must cut off the power to all equipment These safety devices shall be sized and installed in accor...

Page 18: ...of the unit supply air flow rate at minimum speed NOTE To operate correctly the 30 m3 h or 8 3 l s constant fresh air flow controller requires a differential pressure in the range of 50 Pa to 200 Pa T...

Page 19: ...pan insulation foam fire class M1 Condensate drain connection 16 mm external diameter 4 5 Electric heater Electric heater resistance wire type Supply voltage 230 V 1 ph 50 Hz Heater size and capacity...

Page 20: ...nlet double wheel fans The fan motor has 6 speeds provided by a multi winding electric motor Three speeds must be selected to allow connec tion of the fan motor in accordance with the applicable elect...

Page 21: ...Operates in cooling or heating mode heat pump type applications This option includes a 3 port on off valve a heating cooling changeover switch and two insulated flexible water pipes c The Atmosphera...

Page 22: ...e factory On special request other types of controllers can be factory installed on the units supplied by Carrier Carrier room thermostat Other controls available on request from the factory 6 speed s...

Page 23: ...y coil With this option the six fan motor speeds are available from this terminal This plug in quick connect terminal board is installed on a DIN rail In addition a fuse is also installed on this DIN...

Page 24: ...alve Kvs 1 or 2 5 2 5 bar 3 way valve Kvs 1 1 5 bar Logic NF valve closed if no voltage 7 1 2 Two way valve body 11 5 26 5 1 2 17 56 6 5 28 M30 0x1 5 Travel 7 1 2 1 Features of the 1 2 two way valve 1...

Page 25: ...echnical specification for the heating cooling changeover switch The heating cooling changeover switch is designed to be installed straight onto the couplings of the 3 way valves on the thermostat It...

Page 26: ...temperature pro grammable and set point offset requested by the user 8 3 Wall mounted base for Zone User Interface Wall mounted base supplied without fixing screws as these vary depending on the type...

Page 27: ...f the alarm threshold is reached or exceeded the condensate drain pump keeps running The alarm condition applies if the condensate level is above the alarm threshold The alarm condition no longer appl...

Page 28: ...12 5 12 2 DE 268 211 161 384 302 231 491 387 297 591 466 360 684 538 418 725 571 444 769 605 471 7 13 TC 1 42 1 10 0 83 2 03 1 57 1 19 2 60 2 01 1 54 3 12 2 43 1 88 3 60 2 81 2 19 3 82 2 98 2 33 4 04...

Page 29: ...1 Size 3 2 Size 3 3 Relative humidity 50 Water Air flow l s m3 h temp C 83 300 125 450 167 600 208 750 264 950 319 1150 347 1250 entering Dry bulb temperature at coil inlet C leaving 27 25 23 27 25 2...

Page 30: ...1006 1040 1042 1079 1116 55 40 HC 2 34 2 46 2 58 3 39 3 57 3 74 4 39 4 61 4 83 5 29 5 56 5 83 6 44 6 77 7 11 7 50 7 89 8 28 8 01 8 43 8 85 TSA 43 9 44 0 44 1 43 1 43 2 43 3 42 4 42 4 42 4 41 7 41 7 4...

Page 31: ...358 370 55 40 HC 1 06 1 11 1 16 1 45 1 51 1 58 1 79 1 87 1 95 2 09 2 18 2 27 2 45 2 56 2 67 2 77 2 90 3 02 3 93 3 06 3 19 TSA 31 4 30 9 30 3 30 4 29 8 29 2 29 7 29 1 28 4 29 2 28 5 27 8 28 6 27 9 27 2...

Page 32: ...900 1000 2000 3000 100 1 10 100 1000 0 1 1000 10 9 3 Water coil pressure drops 9 3 1 Size 1 9 3 2 Size 2 9 3 3 Size 3 Pressure drop kPa Pressure drop kPa Pressure drop kPa Water flow l h Water flow l...

Page 33: ...ter valve pressure drop KVs 1 Flow A AB Pressure drop kPa Pressure drop kPa KVs 1 Flow A AB KVs 0 63 Flow B AB Water flow l h Water flow l h 9 4 2 3 way 1 2 water valve pressure drop valve with integr...

Page 34: ...25 15 14 19 8 36 4 RET 48 3 43 5 39 30 26 21 5 22 40 2 RAD 41 8 33 6 27 1 17 13 2 11 18 6 30 3 V5 SUP 42 5 38 31 3 21 9 11 8 11 7 19 33 4 RET 45 3 40 5 36 26 8 22 9 19 1 20 37 2 RAD 38 8 30 6 24 1 14...

Page 35: ...RET 47 8 42 6 38 6 29 8 25 4 22 3 22 5 39 6 RAD 40 4 32 3 26 4 17 9 15 13 3 18 6 29 5 V5 SUP 42 37 31 3 22 1 14 2 13 4 18 6 33 RET 44 8 39 6 35 6 26 6 22 3 19 9 20 5 36 7 RAD 37 4 29 3 23 4 14 9 12 12...

Page 36: ...6 13 4 9 6 7 6 3 4 42EM 2 1 3 1 1 3 6 9 13 9 4 6 4 8 42EM 2 2 3 2 1 1 2 7 5 4 9 13 2 8 8 6 1 4 42EM 2 3 3 3 0 4 1 1 2 6 7 4 10 7 6 8 4 1 2 5 9 5 4 Sound damper attenuation As a standard option a sound...

Page 37: ...4 461 128 22 0 29 61 434 121 32 0 27 57 370 103 51 0 25 54 313 87 62 0 23 51 364 73 71 0 22 46 167 46 84 Legend I Current drawn by the fan motor P Power input to the fan motor Vn Fan motor speed Qv Ai...

Page 38: ...1320 514 143 101 0 49 107 1337 440 122 110 V3 0 62 140 917 926 257 0 0 59 132 1010 849 236 20 0 53 120 1123 723 201 51 0 5 113 1181 649 180 66 0 47 105 1236 559 155 81 0 45 101 1262 493 137 91 0 43 9...

Page 39: ...6 127 1384 522 145 111 Legend I Current drawn by the fan motor P Power input to the fan motor Vn Fan motor speed Qv Air flow rate Press Available static pressure NOTE To convert rpm to r s divide by 6...

Page 40: ...boxes as a function of the number of spigots 200 mm Size 1 Air flow m3 h 100 200 300 400 450 500 550 600 650 700 Air flow l s 28 56 83 111 125 139 153 167 181 194 1 spigot SUP 1 4 9 15 19 24 RET 2 7...

Page 41: ...1 unit without spigot 0 10 20 30 40 50 60 70 80 90 100 110 120 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 V1 V2 V3 V4 V5 V6 Air flow m3 h Available static pressure Pa IM...

Page 42: ...num pressure drops Atmosphera size 2 2 and 3 2 unit without spigot 0 10 20 30 40 50 60 70 80 90 100 110 120 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100...

Page 43: ...116 14 7 18 1 21 9 RET 0 0 2 0 7 1 7 3 0 4 6 6 7 9 1 11 9 15 0 18 6 22 5 4 spigots SUP 0 0 0 2 0 4 0 7 1 1 1 6 2 1 2 8 3 5 4 3 5 2 5 2 7 3 8 5 9 7 RET 0 0 1 0 3 0 8 1 4 2 1 3 0 4 1 5 4 6 8 8 5 10 2 1...

Page 44: ...m3 h 272 l s for sizes 2 and 3 3 1170 m3 h 325 l s for sizes 2 and 3 7 Chassis and insulation type A Modular model with standard insulation B Modular model with insulation class 0 in accordance with B...

Page 45: ...with 1 on off type three way control valve changeover switch cables wired to a terminal block and protected by a cover AS Unit with 1 on off type three way control valves with flexible water pipes ch...

Page 46: ...valve electric heater relay cables wired to a terminal block and protected by a metal cover Character Codification Description 8 9 Control continued Terminal strip and metal cover QN Unit with 1 on o...

Page 47: ...es PF Unit with manual speed selector 1 on off type two way control valve with flexible water pipes and electric heater control Character Codification Description 8 9 Control continued Manual speed se...

Page 48: ...f type three way control valves with flexible water pipes and a return air sensor Character Codification Description 8 9 Control continued Maestro control CM Unit with Maestro controller 1 on off type...

Page 49: ...0 1000 W Size 2 1 and 3 1 1000 W Size 2 2 and 3 2 2000 W Size 2 3 and 3 3 2000 W Y Other special coil Character Codification Description 11 Fresh air supply N Base unit without fresh air supply Right...

Page 50: ...s 2 3 3 return air spigots 5 Sizes 2 3 Plenum with 5 return air spigots not available when the fresh air option is selected X Special plenum Character Codification Description 13 No of supply air spig...

Page 51: ...1 Size 2 Codification RED wire Fan set GREY wire BLACK wire REP L wire 6 speed wiring Auto transformer terminal connection arrangements Q std NOTE Terminal 1 highest speed Terminal 6 lowest speed Cha...

Page 52: ...ed with flexible water pipes with 1 2 BSP union nuts to simplify connections on site and maintenance and servicing work 42EM units supplied shall be provided with disposable 85 gravimetric EU3 or G3 a...

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