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2VV ALFA 85, Installation Manual

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2VV.

 Creating innovative solutions for you and your business since 1995.

1. BEFORE YOU START

For better orientation you will find following symbols in the text hereof. Following table shows symbols and their 

meaning.

Symbol

Meaning

ATTENTION!

Warning or notification

READ CAREFULLY!

Important instructions

YOU WILL NEED

Advices and practical information

TECHNICAL DATA

Detail technical information

Link to another part of the user guide

Before installation, please read carefully the guide 

“Safety for Ventilation Units” 

where you can find instructions for 

correct and safe

operation of the product.

This manual includes important instructions for safe connection of the ventilation unit. Before connecting the unit, please 

read follow all instructions! The manufacturer reserves the right to make changes including technical documentation wit

-

hout previous notification. Please keep this manual for further references. Consider this manual integral part of the product.

EC DECLARATION OF COMPLIANCE

The product was designed, and manufactured to comply with all relevant provisions and is in compliance with the require

-

ments of the European Parliament and of the Council of the EU, including the amendment, which it was classified under. 

It is considered safe when installed in the specified conditions and operated according to the instructions of the operations 

manual. It was assessed according to harmonized European standards listed in the relevant EC declaration of conformity 

were applied.

For the current and full version of the EC declaration of conformity visit www.2vv.cz

Summary of Contents for ALFA 85

Page 1: ...INSTALLATION ALFA 85 EN ...

Page 2: ...2 2VV Creating innovative solutions for you and your business since 1995 ...

Page 3: ...efore connecting the unit please read follow all instructions The manufacturer reserves the right to make changes including technical documentation wit hout previous notification Please keep this manual for further references Consider this manual integral part of the product EC DECLARATION OF COMPLIANCE The product was designed and manufactured to comply with all relevant provisions and is in comp...

Page 4: ...iately After unpacking check the status of the unit and all of its components If in doubt contact the supplier Never use a damaged unit If you fail to unpack the unit immediately after its rece ipt it must be stored in dry rooms at temperatures from 5 C to 35 C This product must be properly disposed of in accor dance with local laws and regulations The pro duct contains batteries so they must be r...

Page 5: ...5 2VV Creating innovative solutions for you and your business since 1995 3 MAIN COMPONENTS Touchscreen controller UTP cable 10m Controls Fan Filter Filter Fan ...

Page 6: ... and your business since 1995 4 DIMENSIONS G1 100 C A B F D E H 1 79 27 5 27 5 27 5 27 5 79 ALFA 85 700 V right version with duct system connection from the side Dimensions mm Model A B C D E F G1 H1 ALFA 85 700 V 980 708 890 245 245 355 775 315 ...

Page 7: ...system connection from the top A C 100 G1 E K L F H1 D J B 79 80 27 5 27 5 27 5 27 5 A C 100 G1 E K L F H1 D J B 79 80 27 5 27 5 27 5 27 5 A C 100 G1 E K L F H1 D J B 79 80 27 5 27 5 27 5 27 5 A C 100 G1 F H1 D J B 27 5 27 5 Dimensions mm Model A B C D E F G1 H1 J K L ALFA 85 700 M 980 708 890 245 245 355 775 315 395 185 430 ...

Page 8: ...74 225 225 283 1284 315 225 225 225 450 40 87 286 ALFA 85 1200 M 1490 867 874 225 225 283 1284 315 225 225 225 450 40 87 286 ALFA 85 1600 M 1550 957 1085 255 238 285 1341 355 255 255 255 478 50 87 390 ALFA 85 2000 M 1550 957 1085 255 238 250 1341 355 255 255 255 478 50 87 390 ALFA 85 2500 M 1672 986 1225 250 254 302 1464 355 250 250 250 496 50 87 454 ALFA 85 900 M 2500 M right version with duct sy...

Page 9: ...e A C 100 G1 O P R Q B 85 F E D F H1 80 27 5 27 5 80 27 5 27 5 Dimensions mm Model A B C D E F G1 H1 O P Q R ALFA 85 1000 V 1470 813 824 239 239 294 1264 315 600 40 87 276 ALFA 85 1500 V 1500 958 1085 298 298 480 1294 400 618 50 87 390 ALFA 85 2000 V 1500 958 1085 298 298 480 1294 400 618 50 87 390 ALFA 85 2500 V 1645 988 1232 340 340 492 1439 400 652 50 87 454 ...

Page 10: ...5 27 5 24 5 24 5 27 5 24 5 27 5 79 79 27 5 Dimensions mm Model A B C D E F G1 G2 H1 H2 I1 I2 O P Q R ALFA 85 3200 V 1625 1170 1330 370 365 585 361 290 600 500 564 490 626 60 87 526 ALFA 85 4000 V 1725 1258 1380 375 375 630 395 316 600 500 600 520 685 60 87 552 ALFA 85 5000 V 1835 1358 1430 390 390 680 450 316 800 500 655 520 740 60 87 576 ALFA 85 7000 V 1935 1608 1670 435 435 804 500 316 1200 600 ...

Page 11: ...2 l1 I1 A G1 R Q O P B 85 H1 H2 D F E D 24 5 27 5 24 5 24 5 27 5 24 5 27 5 79 79 27 5 G2 G1 100 C l2 l1 I1 A G1 B H1 H2 D F E D Dimensions mm Model A B C D E F G1 G2 H1 H2 I1 I2 O P Q R ALFA 85 3200 U 1720 1170 1330 283 283 330 411 290 400 400 614 490 676 60 87 526 ALFA 85 4000 U 1825 1258 1380 283 318 356 445 316 400 400 650 520 735 60 87 552 ALFA 85 5000 U 1935 1358 1430 283 333 383 500 316 400 ...

Page 12: ... Rozměry mm Model A B C D E F H1 H2 I1 I2 O P Q R S T U ALFA 85 10K 2000 1810 1880 500 500 905 1400 700 735 520 822 60 800 87 1837 1651 80 ALFA 85 14K 2150 2160 2230 585 585 1080 1400 700 795 550 882 60 975 87 1985 2000 80 120 A I1 I1 C I2 Q R O P B H1 H2 85 E D F S U 19 U U T U PP 14000 V ...

Page 13: ...le DX dimensions with circular connection dimensions mm ALFA 85 A B C D E F G H I J K L M 700M V 710 578 458 575 692 753 5 797 315 236 5 354 346 117 G 1 2 N O P Q R S T U V W X Y Z G 1 2 276 32 5 91 150 185 255 5 608 634 482 513 351 382 ALFA 85 water external modules 4 DIMENSIONS ...

Page 14: ...00M 2000V M 958 578 580 687 6 692 1001 5 1032 5 400 296 478 397 6 107 5 5 8 2500M V 988 578 654 5 762 1 692 1031 5 1062 5 400 333 25 493 434 85 107 5 5 8 N O P Q R S T U V W X Y Z 700M V 1 2 276 32 5 91 150 185 255 5 608 634 482 513 351 382 1000V 5 8 276 32 5 91 140 185 255 5 608 739 576 618 340 382 900M 1200M 5 8 326 32 5 91 140 185 255 5 608 789 626 668 390 432 1500 1600M 2000V M 3 4 400 5 32 5 ...

Page 15: ...00M 2000V M 958 578 580 687 6 692 1001 5 1032 5 400 296 478 397 6 107 5 G 1 2500M V 988 578 654 5 762 1 692 1031 5 1062 5 400 333 25 493 434 85 107 5 G 1 N O P Q R S T U V W X Y Z 700M V G 3 4 276 32 5 91 150 185 255 5 608 634 482 513 351 382 1000V G 3 4 276 32 5 91 140 185 255 5 608 739 576 618 340 382 900M 1200M G 3 4 326 32 5 91 140 185 255 5 608 789 626 668 390 432 1500 1600M 2000V M G 1 400 5...

Page 16: ... 1255 600 500 624 524 285 4000M V 1258 578 718 825 5 Ø8 1302 5 1345 600 500 624 524 330 5000M V 1358 578 768 875 5 Ø8 1402 5 1445 800 500 824 524 280 K L M N O P Q R S T U 3200M V 100 65 5 8 1 1 8 608 1092 476 110 5 255 5 971 382 4000M V 111 65 5 8 1 1 8 608 1184 526 96 255 5 1063 382 5000M V 136 85 5 8 1 3 8 608 1284 576 96 246 5 1163 382 ALFA 85 DX external modules with rectangular connection 4 ...

Page 17: ...1255 600 500 624 524 285 4000M V 1258 578 718 825 5 Ø8 1302 5 1345 600 500 624 524 330 5000M V 1358 578 768 875 5 Ø8 1402 5 1445 800 500 824 524 280 K L M N O P Q R S T U 3200M V 100 65 G 1 G 1 608 1092 476 110 5 255 5 971 382 4000M V 111 65 G 1 G 1 608 1184 526 96 255 5 1063 382 5000M V 136 85 G 1 1 2 G 1 1 2 608 1284 576 96 246 5 1163 382 ALFA 85 CO external modules with rectangular connection 4...

Page 18: ...odule DX dimensions with rectangular connection dimensions mm ALFA 85 A B C D E F G H1 H2 I1 I2 J 7000V 1610 578 868 975 5 608 1653 5 1700 1200 600 1224 624 206 K L M N 7000V 136 1534 2 x 5 8 2 x 1 1 8 ALFA 85 T7000 DX external module with rectangular connection F 4 DIMENSIONS ...

Page 19: ...Module CO dimensions with rectangular connection dimensions mm ALFA 85 A B C D E F G H1 H2 I1 I2 J 7000V 1610 578 868 975 5 608 1653 5 1700 1200 600 1224 624 206 K L M N 7000V 136 1534 G 1 1 2 G 1 1 2 F ALFA 85 T7000 CO external module with rectangular connection 4 DIMENSIONS ...

Page 20: ...95 ALFA 85 10K external modules with rectangular connection 4 DIMENSIONS ALFA 85 10K M N heater cooler C O G 1 1 2 G 1 1 2 direct evaporator DX 22 16 ALFA 85 dimensions mm A B C D E F G H1 H2 I1 I2 J K L 10K 1810 578 993 1114 608 1853 5 1896 1400 700 1424 724 206 148 1734 ...

Page 21: ...ce 1995 ALFA 85 14K external modules with rectangular connection 4 DIMENSIONS ALFA 85 14K M N heater cooler C O G 2 G 2 direct evaporator DX 22 22 ALFA 85 dimensions mm A B C D E F G H1 H2 I1 I2 J K L 14K 2160 578 1168 1289 608 2203 2245 1400 700 1424 724 380 235 2084 ...

Page 22: ...000 400 3 50 60 3 5 5 7 ALFA 85 7000 400 3 50 60 9 1 14 1 ALFA 85 10000 400 3 50 60 9 1 14 1 ALFA 85 14000 400 3 50 60 11 5 18 5 Model with electrical heater Model Voltage V Phases qty Frequency Hz Input power kW Current per phase A ALFA 85 700 230 1 50 60 3 1 14 7 ALFA 85 900 400 3 50 60 4 9 10 0 ALFA 85 1000 400 3 50 60 4 9 10 0 ALFA 85 1200 400 3 50 60 4 9 10 0 ALFA 85 1500 400 3 50 60 8 0 16 6...

Page 23: ... 1 8 2650 IP 54 ALFA 85 1200 230 1 50 2 395 1 8 2650 IP 54 ALFA 85 1500 230 1 50 60 2 470 3 0 2435 IP 54 ALFA 85 2000 230 1 50 2 750 4 6 2480 IP 54 ALFA 85 2500 400 3 50 60 2 1000 1 63 2580 IP 54 ALFA 85 3200 400 3 50 60 2 1000 1 63 2580 IP 54 ALFA 85 4000 400 3 50 60 2 1700 2 6 2600 IP 54 ALFA 85 5000 400 3 50 60 2 1700 2 6 2600 IP 54 ALFA 85 7000 400 3 50 60 2 4500 6 8 2480 IP 55 ALFA 85 10000 4...

Page 24: ...oor environment and at an ambient temperature in the range from 20 C up to 60 C The unit is designed for transporting standard atmosphe ric air that is free of dust grease chemical emissions and other impurities The electric protection index of units is IP 43 intended for outdoor environments 6 1 1 Access distances needed for servi cing the units Model a mm ALFA 85 700V 1100 ALFA 85 700U 1200 ALFA...

Page 25: ...nance repairs or disassembly This includes access to dampers in order to inspect them access to the controls box inside unit and unit panels to access interior of the unit for filter changes and other components 6 1 2 Safe installation distance ATTENTION All materials used within a distance of less than 100 mm from the ventilation unit must be non flammable do not burn or flare up or less flammabl...

Page 26: ...ted roofs dimensions Dimensions mm Model A B C D T700V 1050 716 68 34 5 T1000V 1540 822 80 40 5 T1500V 1570 966 87 5 40 5 T2000V 1570 966 87 5 40 5 T2500V 1715 990 89 40 5 T3200V 1697 1177 104 5 46 5 T4000V 1795 1265 5 109 46 5 T5000V 1905 1365 5 114 5 46 5 T7000V 2005 1615 5 127 5 46 5 T10000 2068 1804 136 2 46 5 T14000 2218 2154 154 6 46 5 ALFA 85 1000 V 7000V ...

Page 27: ...3 T1500V 231 235 238 T2000V 257 262 264 T2500V 290 296 279 T3200V 348 355 358 T4000V 414 422 424 T5000V 449 457 461 T7000V 600 610 616 T10000V 830 846 861 T14000V 1150 1175 1210 ALFA 85 upper connection units weights Heating type Model Standard kg Electric kg Water kg T700M 135 137 N A T900M 197 200 202 T1200M 198 201 203 T1600M 243 247 250 T2000M 257 262 264 T2500M 304 308 311 T3200M 368 378 378 ...

Page 28: ...rate mo dules to be mounted together during installation Individual modules must be attached together with bolts that are included with the unit delivery Electrical connec tion of individual modules is made by universal terminals with matching numerical indication Connection of pressure sensors is made in the module no 2 using tube connectors Individual hoses must run from modules no 1 and 3 to th...

Page 29: ... module 1 and 3 through the grommet the in the module 2 respecting the numerical identification 1 1 2 2 3 3 4 4 1 3 2 Move the modules together Take extra care to avoid da maging cables and hoses Join the modules using 12 pcs of M8 bolts and pads included in delivery 12x The rotary wheel can be moved by pulling pushing it out of the unit for easier connection of modules with bolts Take extra care ...

Page 30: ...sories must be ordered separately Rectangle circle adapter ALFA 85 Code 3200 4000 U PR VO 0400X400 D500 L300 Rectangle circle adapter ALFA 85 Code 3200 V PR VO 0600X500 D560 L300 Rectangle circle adapter ALFA 85 Code 7000 V PR O 1200X600 D630 L600 Example of possible connection with flexible connectors Accessories must be order seperately ...

Page 31: ... TMELIT B F E A C D 8 5 7 6 2 4 3 1 C E D F A B DATUM R DRSNOST SCHVÁLIL ČÍSLO MATERIÁLU VERZE NÁZEV ČÍSLO PR O 1400 700 D710 L700 PROMÍTÁNÍ KRESLIL MĚŘÍTKO HMOTNOST ČISTÁ TOLEROVÁNÍ PŘESNOST DATUM DŮVOD ZMĚNY NÁZEV MATERIÁLU Martin Poslušný V 14 03 2017 Pavel Dejnožka 13 8 2014 ISO2768 mK POZ PL 0 80Sx1250x2500FS PL ZN 0 8 2 50x1 25 PŘECHOD ČTYŘHRAN KRUH OSOVÝ 17999 0 g 4 395 30 4 x 1 2 524 424 0...

Page 32: ...witch must be off Electrical wiring of the ventilation units must be installe daccording to the proposal of a professional electrician Electrical wiring must be done by a person authorized to perform the electrical installations It is necessary to follow all instructions of the manual and local laws and regulations Wiring diagrams listed on the product take precedence over diagrams in this manual ...

Page 33: ...om the electric power supply using a single power switch 6 3 1 Connecting supply cable Connection of the power supply cable is located in the main power switch area ATTENTION Minimum size of the protective grounding lead must be in compliance with local safety regulations for heavy current N blue PE green and yellow Connection of the power supply must be designed by the electrical designer TECHNIC...

Page 34: ...ettable 5 A 9 10 ERROR CONTACT output NO 6 A 11 12 PREHEATER WATER PUMP 11 Lint 12 Lout 7 A 13 14 BOOST input NO 8 A 15 16 FIRE input NC 9 A 17 18 EXTERNAL CONTROL ON OFF input NC 10 A 19 20 OUTPUT PERFORMANCE OF POSTHEATING 0 10V OR PWM 11 A 43 44 AQS SENSOR 0 10V input 1 2 3 4 5 6 7 8 9 10 11 Modbus TCP BACnet Control panel 1 1 1 5 1 6 1 2 1 7 1 8 1 9 1 3 1 4 EN RU 5 6 LF1 FLAP INLET output L op...

Page 35: ... ČERPADLA nastavitelné výstup ON OFF ADIABATICKÝ MODUL výstup ON OFF NO DX выход устанавливаемый CHLAZENÍ TOPENÍ nastavitelné CO NC NO DX výstup nastavitelné B 1 1 1 22 RU CZ ВАТЕЛЯ BEZPEČNOSTNÍ TERMOSTAT DOHŘEVU АРИТЕЛЬНОГО НАГРЕВАТЕЛЯ BEZPEČNOSTNÍ TERMOSTAT PŘEDEHŘEVU крыт LF2 ЗАСЛОНКА ВЫПУСК выход L открыт LF1 KLAPKA PŘÍVOD výstup L open LF2 KLAPKA ODVOD výstup L open вливаемый RUN KONTACT výst...

Page 36: ... GND 0 10V CO2 RH N L V2 V1 HF30W DDR A V1 12DCV V2 24DCV 24V GND GND Alarm GND 12 V PIR 64 65 66 63 GND 12 B A 6 INSTALLATION 27 28 29 30 25 26 CANL CANH GND 12V B A CANL CANH GND 12V B A SD SLOT PE PE PE PE N N N N N L3 1 3 5 6 4 2 L2 L1 N 7 8 PE 28 29 35 35 35 37 36 36 36 38 FUSE Room Int2 Int1 Ext3 Fan Out Ext2 Ext1 CO2 Fan In N DC12V PE PWM GND RPM RPM GND PWM RELAY BYPP SSR SSR BOOST PIR EXT...

Page 37: ...6 3 2 3 Movement sensor Low voltage switching contact maximum possible con tact load 12 V 0 4 A CABLE cable with two leads with min diameter 0 5 mm2 Max length 50 m The contact is regularly disconnected When connected the ventilation unit operates according to the preset ventilation capacity 6 3 3 Control unit To activate the unit it is necessary to connect the remote control with the unit using a...

Page 38: ...the control unit use the standard communication cable Insert the cable to one of the connectors on the electronic board of the ventilation unit Connect the other end to the main cont rol unit For details of the protocol ModBUS see 2VV A controller may also be connected to the unit connected to the a BMS control system 6 4 CONNECTING CONDENSATE DRAIN Condensate discharge from the external module mu...

Page 39: ...ries are connected correctly That the condensate drain is connected correctly to the discharge piping for units with cooling That the connection is in compliance with instructions in this manual That no tool or other object has been left inside the unit which could result in damage to the unit ATTENTION Any interventions or modifications to unit wiring are pro hibited and may lead to warranty loss...

Page 40: ...ir filter 3 Replace the air filter according to the unit type 8 MAINTENANCE READ CAREFULLY Warning icon of filter replacement disappears automa tically ATTENTION Device functionality might be reduced or impaired if the filter is not duly cleaned or replaced 8 2 CLEANING INTERVALS OF THE VENTILATION UNIT YOU WILL NEED 6mm Allen wrench vacuum cleaner brush rag neutral cleaning agent soap water We su...

Page 41: ...tric heating overheats the safety thermostat is disconnected Upon removing the cause of such overhe at it is necessary to reset manually the safety thermostat located directly on the electric heater Location of the safety thermostat is indicated with RESET mark in each unit 9 FAULTS REMOVAL Replacing the wheel motor In case of damage it is possible to buy a spare part for replacement Replacement p...

Page 42: ...n case of damage it is possible to buy a spare part for replacement Replacing damaged belt of the rotary heat recovery unit In case of damage breakage or wear exceeding the acceptable limit slipping of the belt it is possible to buy a spare belt that will be ready exactly for the wheel size Replacement procedure 1 Pull out the old damaged belt from the heat recovery unit 2 One end of the new belt ...

Page 43: ...tact aftersales department 9 FAULTS REMOVAL Replacing the water CO DX coil Replacement procedure 1 Dissconnect the pipe connection to the exchanger 2 Unscrew the bolts on the panel 3 Dissconnect the connector of the temperature sen sor s 4 Then pull the whole coil out of the unit 5 Place the new coil to the unit Connect the connector of the temperature sensor s 6 Screw on the bolts fixing the pane...

Page 44: ...ve a pressure sensor for the filter RESET the clogged filter according to the manual 8 Failure in preheating 1 Unit is working Overheated electric ex changer or damaged sen sor Open the exchanger thermostat Check that air can flow freely through the unit electric heat exchanger is not cooling sufficiently Check the safety thermostat on the electric preheating for damages 9 Failure in exchanger 1 U...

Page 45: ...lure after the se cond exchanger T EXT4 Unit is not working Room temperature sensor failure Check that the sensor is correctly conne cted to the electronics or test it measuring its resistance the resistance value at 20 C is around 10kW 20 Exhaust Temperature sensor failure in the ex haust canal T INT0 Unit is not working Room temperature sensor failure Check that the sensor is correctly conne cte...

Page 46: ... pressure sensor of the VAV supply channel Unit is not working correctly Pressure sensor failure Check the supply point for mechanical damage or whether it is clogged by dirt or whether the supply hoses are free The pressure sensor will likely need to be replaced 31 Failure in the pressure sensor of the VAV C4 ex haust channel Unit is not working correctly Pressure sensor failure Check the supply ...

Page 47: ...ilating Temperature evaluation for freecooling mode in pro gress Preparation for freecooling mode in pro gress It evaluates the temperature and the conditions necessary to activate this mode 74 Flow reduction mi nimum temperature in the duct not reached Unit operates in a restricted mode The unit is trying to reach the set values of the cha nnel s minimum The temperature of the air flowing into th...

Page 48: ...n conditions also electrical connection Detail fault description and steps take for its removal PUTTING THE PRODUCT OUT OF OPERATION DISPOSAL Please discard the product before disposal Older units include also reusable materials Take them to the waste separation site It is better to let the product break down in a specialized center allowing reuse of recyclable ma terials Dispose parts that cannot...

Page 49: ...oom Int2 Int1 Ext3 Fan Out Ext2 Ext1 CO2 Fan In N DC12V PE PWM GND RPM RPM GND PWM RELAY BYPP SSR SSR BOOST PIR EXT FLAP RUN PREH POST FIRE RELAY RELAY RELAY RELAY GND 0 10 GND GND 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 IN 1 IN 2 L L LF1 LF2 ERR COOL ALARM HEAT HEAT L L Fu 57 58 59 60 61 62 32 31 56 55 54 53 52 51 50 48 49 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 27 28 ...

Page 50: ... pump for coil 2 0 10V 1 24V GND GND El mixing valve for coil 2 24V 0 10V U 2 3 5 unit with electric exchanger unit without electric exchanger with external C O exchanger FUSE Room Int2 Int1 Ext3 Fan Out Ext2 Ext1 CO2 Fan In N DC12V PE PWM GND RPM RPM GND PWM RELAY BYPP SSR SSR BOOST PIR EXT FLAP RUN PREH POST FIRE RELAY RELAY RELAY RELAY GND 0 10 GND GND 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 ...

Page 51: ... 10V NTC Unit Electric DX 0 10V COOL HEAT DEFROST ERROR 0 10V unit with electrical exchanger and second external DX exchanger with 0 10V control FUSE Room Int2 Int1 Ext3 Fan Out Ext2 Ext1 CO2 Fan In N DC12V PE PWM GND RPM RPM GND PWM RELAY BYPP SSR SSR BOOST PIR EXT FLAP RUN PREH POST FIRE RELAY RELAY RELAY RELAY GND 0 10 GND GND 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 IN 1 ...

Page 52: ... 5 0 10V 24V 0 10V U 0 10V 1 24V GND GND El mixing valve for coil 2 24V 0 10V U 2 3 5 unit with water exchanger and second water external exchanger for water cooling unit with water exchanger and second external electric exchanger FUSE Room Int2 Int1 Ext3 Fan Out Ext2 Ext1 CO2 Fan In N DC12V PE PWM GND RPM RPM GND PWM RELAY BYPP SSR SSR BOOST PIR EXT FLAP RUN PREH POST FIRE RELAY RELAY RELAY RELAY...

Page 53: ...F ON 1 24V GND GND 2 3 5 0 10V 24V 0 10V U unit with water exchanger and second external DX exchanger with OFF ON control FUSE Room Int2 Int1 Ext3 Fan Out Ext2 Ext1 CO2 Fan In N DC12V PE PWM GND RPM RPM GND PWM RELAY BYPP SSR SSR BOOST PIR EXT FLAP RUN PREH POST FIRE RELAY RELAY RELAY RELAY GND 0 10 GND GND 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 IN 1 IN 2 L L LF1 LF2 ERR CO...

Page 54: ...he heat recovery unit it is necessary to read this manual and follow the instructions Please do not hesitate and contact our sales department or technical support if you have any questions or require additional ex planation CONTACT Address 2VV s r o Fáblovka 568 533 52 Pardubice Czech Republic Internet http www 2vv cz ...

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