Condair Dual 2 Installation And Operating Instructions Manual

Manual is about: Hybrid Humidifier

Summary of Dual 2

  • Page 1

    Installation and operating instructions hybrid humidifier 1120506 e n 1308 condair dual 2.

  • Page 3

    3 contents 1 introduction 4 1.1 to the very beginning 4 1.2 notes on the installation and operating instructions 4 1.3 special tools 5 2 important notes 6 2.1 correct use for intended purpose 6 2.2 safety instructions 6 3 overview of the condair dual hybrid humidifier 8 3.1 basic design of the conda...

  • Page 4

    4 1 introduction 1.1 to the very beginning we thank you for having purchased the condair dual 2 hybrid humidifier (abbreviated as “condair dual”). The condair dual hybrid humidifier is designed for use in ventilation devices and ducts. It combines the humidification technologies “atomization” and “e...

  • Page 5

    5 conventions the following conventions apply to the present installation and operating instructions: – steps to be carried out (operational sequence) are preceded by a “•” bullet. – this symbol identifies safety and danger instructions which, if dis- regarded, could result in personal injury and/or...

  • Page 6

    6 2 important notes please read this chapter carefully. It contains important information, which must be observed for safe, correct and economic application of the condair dual hybrid humidifier. 2.1 correct use for intended purpose the condair dual hybrid humidifier is intended exclusively for humi...

  • Page 7

    7 – observe all local safety regulations regarding the handling of mains- powered electric and electronic equipment. – caution! For safety reasons the condair dual must be installed only in rooms provided with a floor drain. If for some reason the condair dual must be installed in a location without...

  • Page 8

    8 3 overview of the condair dual hybrid humidifier 3.1 basic design of the condair dual hybrid humidifier 1 control unit 2 power supply 3 control or sensor signal input 4 connector for external safety circuit 5 options (to be installed inside the control unit): remote operating and fault indication ...

  • Page 9

    9 3.2 function from the reversing osmosis system (ro system) the fully demineralized water (also called permeate) is fed to the booster pump (9) via a shut-off valve (7) and a filter (8). Depending on the current output re quirements the booster pump increases the water pressure to the required oper...

  • Page 10

    10 y5 y6 y7 y8 y9 y10 y11 (18) (17) (16) (19) spray circle discharge (only with option z409) water jet pump on systems having a central unit with spray circle discharge (option z409) the spray circle drain valve y5 opens after no humidification demand has occurred for 12 hours. Then, the valves y9, ...

  • Page 11

    11 3.3 scope of versions the condair dual hybrid humidifier is available in two versions: either as “ centralized system” (type: cd ze ...) or as “decentralized system” (type: cd dz ...). In the centralized system the control unit, the booster pump, the silver ion- ization unit and the connector box...

  • Page 12

    12 decentralized system (cd dz ...) 1 humidification unit 2a control unit 2b permeate minimum pressure switch 2c excess temperature switch of pump 2d booster pump 2e silver ionization unit 2f permeate conductance sensor 2g connector box 2h permeate maximum pressure switch 3 electrical connectors (po...

  • Page 13

    13 3.4 options remote operating and fault indication “z401” and “z401s” by means of 4 potential-free relay contacts, the remote operating and fault indication pcb (z401: standard version, z401s: wire breakage safe version) allows the connection of remote indicators displaying the following stages of...

  • Page 14

    14 leakage monitoring system “z402” the “z402” leakage monitoring system interrupts the water supply in case of leakage of the condair dual water system. Contents: – 3 leakage detectors including fastening material and electric cables – 1 leakage signal transmitter – 1 safety valve 24 vdc – 1 transf...

  • Page 15

    15 4 installation and first-time commissioning 4.1 safety notes for installation and commissioning – all installation and commissioning work must be performed only by adequately qualified personnel being familiar with the condair dual hybrid humidifier. It is the customer’s responsibility to ensure ...

  • Page 16

    16 – for control and maintenance purposes we recommend to provide the duct/monobloc with an additional inspection door after the post-evapo- ration unit. – the section of the duct holding the humidification unit must be equipped with a sloping tub having drains before and after the post-evaporation ...

  • Page 17

    17 c g h d a b e f 4.2.1 installation of the nozzle system the components of the nozzle system are supplied separately and must be assembled at the installation site. The following sections explain the general installation of the nozzle system. Detailed information (dimensions, fastening points, etc...

  • Page 18

    18 first fix the two vertical mounting rails on both sides in the duct (see instal- lation drawing for positioning and fixing). Important! Use exclusively the fixing materials provided. If this is not pos- sible in your case, make absolutely sure that the fixing holes are correctly sealed from the i...

  • Page 19

    19 5. Fix the grid bearings to the prescribed positions on the horizontal mount- ing rails, using the screws and sliding nuts provided. 6. Mount bearing sleeve “a” and the three or five bearing bushes “b” on the nozzle grid. 7. Insert the nozzle grid/s in the frames at the appropriate position/s (no...

  • Page 20

    20 c a b d e i m n l k f h g j 4.2.2 installation of the post-evaporation unit the components of the post-evaporation unit are supplied separately and must be assembled at the installation site. The following sections explain the general installation of the post-evaporation unit. Detailed informatio...

  • Page 21

    21 first attach the upper cross arm: 1. Stick the provided self-adhesive sealing plates to all wall supports. 2. Stick the drilling template provided for the left and right wall supports on the wall of the duct at the correct location (see installation drawing) and drill the ø3.3 mm holes (6 holes p...

  • Page 22

    22 mount the base plate (only systems equipped with a “booster”): 6. For systems with two­part vertical sections first connect all sections with the connector pieces “ a” (2 pcs. Per connection) and the m6x12 hexagon socket screws (9 pcs. Per connection). 5. If your system is equipped with a “booste...

  • Page 23

    23 7. Fix each vertical section, left and right, to the upper cross arm, using the clamping brackets, the m6x20 hexagon socket screws and the washers supplied. The two vertical sections serve as spacers when mounting the lower cross arm. Important! Before tightening the screws, push the vertical sec...

  • Page 24

    24 9. Fix the lower cross arm (lowest arm on systems with three cross arms) to the two vertical sections using the clamping brackets, the m6x20 hexagon socket screws and the washers supplied. Important! Before tightening the screws, align the two vertical sec- tions parallel to the duct wall and the...

  • Page 25

    25 11 v v 50 mm 50 mm mounting and alignment of the vertical sections: use the brackets for the upper flow sheets as spacers (the bracket with system-specific width is marked with a “v”) drain-off sheet left drain-off sheet with system-specific width (marked with a ”v”) drain-off sheet right 11. Use...

  • Page 26

    26 12. Mount the angle brackets to the upper end of all vertical sections and fix them with the m6x12 hexagon socket screws provided (slightly tighten by hand only). Align the vertical section to the very left at right angle to the cross arm. Then, push the angle bracket towards the duct roof and fi...

  • Page 27

    27 13. Mounting the brackets for the upper flow sheets: starting with the narrow vertical section (left or right), align the front edge of the first bracket with the front edge of the topmost opening in the vertical section (see figure above), then fix the bracket to the duct roof using 2 (or 3, as ...

  • Page 28

    28 install the tub seal: 15. Cut the whole length of the tub sealing to the appropriate width (width = distance between upper edge of lower cross arm and bottom of duct plus 30 mm). Then, starting on one side of the duct fix the tub seal to the lower cross arm using the supplied fastening sheets, m6...

  • Page 29

    29 install the booster elements (only on systems with “booster”) if your system is equipped with a “booster”, the booster elements must now be mounted. Note: if the post-evaporation unit is accessible from the back via a service door the “booster” may be installed at the end of the installation proc...

  • Page 30

    30 17. From the back, hang all booster elements to the upper cross arm. Use the thread plates and the m6x12 mm hexagon socket screws to fix the remaining brackets (2 or 4) to the booster elements (tighten the screws by hand only to allow later adjustment of the brackets). Couple all booster elements...

  • Page 31

    31 install the ceramic plates note: the installation of the ceramic plates takes place from the bottom to the top and always starts with the two rear rows to the very left and right (viewed in flow direction). Then all other rear rows (if present) are installed and finally all front rows are mounted...

  • Page 32

    32 21. Only the rear rows of ceramic plates require the installation of anti-drip sheets. However, the anti-drip sheets must be installed only on the sides of the ceramic plates which overlap with the plates of a front row (see figure above). The ceramic plates at the very bottom require the install...

  • Page 33

    33 24. Place the ceramic angle (one or two angles) on top of the ceramic plate. Important! The topmost ceramic plate does not require a ceramic an- gle. Important! Between the vertical sections with system­specific interstice the specially marked ceramic angle must be used. On systems with two ceram...

  • Page 34

    34 install the lateral flow sheets: 26. Fix the two­part lateral flow sheets to the duct wall using the self­tapping screws provided (drill holes ø3.3 mm before). First mount the lower part of the lateral flow sheets, then the upper one ( the upper part must overlap the lower one). Important! Make s...

  • Page 35

    35 4.3 installation of the central unit location of the central unit – the central unit is designed for wall mounting. Make sure the construc- tion (wall, pillar, etc.) to which the central unit is to be mounted, offers a sufficiently high load­bearing capacity and is suitable for the installa- tion...

  • Page 36

    36 4.4 installation of the components of the decentralized system general notes on location and fastening – locate the system components so that: – the distance between particular components is as short as possible and the maximum admissible distance is not exceeded. – they are freely accessible, wi...

  • Page 37

    37 installation of the connector box upon delivery the box is ready to be connected. Use the provided fasten- ing material ( 4 pan head screws m5x55 mm, 4 spring washers m5, and 4 blind nuts m5) to mount the connector box directly to the ventilation duct/ monobloc or to a frame. Before mounting the ...

  • Page 38

    38 4.5 water installation water installation of the centralized system the following illustration shows the water installation of the centralized system. Installations to be carried out are highlighted in grey. Important! Read and observe the notes on water installation at the end of the current cha...

  • Page 39

    39 water installation of the decentralized system the following illustration shows the water installation of the decentralized system. Installations to be carried out are highlighted in grey. Important! Read and observe the notes on water installation at the end of the current chapter. 1 shut-off va...

  • Page 40

    40 notes on water installation – the installation of the shut-off valve and the filter (maximum mesh width 0.005 mm) in the fully demineralized water supply conduit is mandatory. If possible, both assemblies are to be installed close to the booster pump. Before joining the fully demineralized water ...

  • Page 41

    41 water quality requirements the fully demineralized water must meet the following requirements: – fully demineralized water from a reverse osmosis system – conductance of the supply water: 0.5 ... 15.0 µs/cm – working pressure at maximum humidification capacity: min. 2 bar – maximum admissible inl...

  • Page 42

    42 4.6 electrical installation all work concerning the electrical installation must be performed only by adequately qualified personnel (electrician or specialist with equi valent training). Please observe all local regulations concerning the electrical instal- lation. Wiring diagram (also found on ...

  • Page 43

    43 notes on electrical installation – the terminals accept the following maximum cable cross sections: stranded wire 1.5 mm 2 , solid copper wire 2.5 mm 2 . – all connecting cables and strands must be led mandatory through the two snap ferrites sf located directly before the control unit. Please obs...

  • Page 44

    44 designation/description cable specification connection of the silver ionization to terminal x24. Min. Cross section 0,5 mm 2 connection of an external controller or humidity sensor to terminal x25. (admissible signal values see chapter 8.1 “specifications”). The shielding of the control signal mu...

  • Page 45

    45 5 operation the condair dual hybrid humidifier must be commissioned and op- erated only by personnel familiar with the unit and adequately qualified for the task. Ascertaining the qualification is the customer’s responsibil- ity. 5.1 introduction the condair dual hybrid humidifier is operated via...

  • Page 46

    46 if a fault is detected during the system test, a corresponding error alert is­triggered,­i.E.­the­error­indicator­either­flashes­(alarm)­or­stays­on­ (error), and a corresponding message appears on the display (also see chapter 7.1). After successful conclusion of the system test, the unit switch...

  • Page 47

    47 5.3 taking the humidifier out of operation to take the condair dual hybrid humidifier out of operation, e.G. For main- ten ance pur poses, proceed as follows: • set the power switch to “ o”. • disconnect the control unit from the mains: set the service switch of the mains supply line to “ off”. •...

  • Page 48

    48 5.4 inquiring operating parameters the condair dual provides a so-called display level used for inquiring various operating parameters. However, the display level does not let you change the parameters. Accessing the display level the condair dual is in standard operation mode (the display of the...

  • Page 49

    49 overview of the display level e m perform. [kg/h] appliance: 100 condair dual ready perform. [kg/h] act.Value: 33 demand 25 % p-pump. Int/ext intern cond. Permeate 7 ‰s permeate limit 15 ‰s perform. [kg/h] valve y6: 35 perform. [kg/h] valve y7: 65 perform. [kg/h] valve y8: 0 contr.Val.P-punp 95 %...

  • Page 50

    50 description of display level parameters the following description explains the parameters that may be accessed via the ▼> and ▲> keys once the display level has been launched (with the m> or e> key). – maximum humidification output maximum spraying capacity in kg/h. – current humidification outpu...

  • Page 51

    51 – booster pump on/off status while flushing this parameter indicates whether or not the booster pump runs during the flushing cycle of the permeate conduit. Note: this parameter is available only if the control unit is configured to work with an internal booster pump. – silver ionization on/off t...

  • Page 52

    52 – integral time of internal controller preset integral time of the internal controller in minutes. Note: this parameter is available only if the internal controller is active. – output limitation preset limit value of output in % of the maximum output capacity. – analog signal range of the select...

  • Page 53

    53 following entry of the last digit the opposite message is displayed briefly to confirm access to the setup level. Note: if you entered an erroneous code the message “ incorrect code” briefly appears on the display, and subsequently you are asked to re­enter the access code. Once you have accessed...

  • Page 54

    54 overview of the setup level m e condair dual ready entry code 8808 condair dual setup level language english analog signal 0-10 vdc ( 81%) cond. Permeate 7 ‰s mainten. Interv. 2000 h perform. Limit 100 % controller funct on nom. Value rh 45 % p-band 10 % integr. Time 15 min. 2) 2) 2) 1) standard ...

  • Page 55

    55 – analog signal selection of the analog signal range. Factory setting: 0-10 vdc optional settings: 0-20 vpa (phase-control), 0-10vdc, 2-10vdc, 0-5vdc (step control board), 1-5vdc, 0-1vdc, 0-20ma, 4-20ma and 0-8.2vdc note: the value in brackets is the current value in % of the maximum signal or th...

  • Page 56

    56 – proportional range (p-range) of the internal pi controller sets the proportional range of the internal pi controller in %. Note: this parameter is available only if the internal pi controller is active. Factory setting: 10 % setting range: 4 - 100 % note: the proportional range is used to smoot...

  • Page 57

    57 6 maintenance and replacement of parts 6.1 maintenance safety instructions – all maintenance work must be performed only by adequately qualified and trained personnel familiar with the dangers involved. Ascertaining the qualifications is the customer’s responsibility. – instructions and details c...

  • Page 58

    58 periodical checking periodical checking should be carried out monthly and include the follow- ing steps: item work to be carried out nozzle system – check the spray pattern of the spray nozzles (spray cone: optimum 90°, 60° acceptable). If necessary, clean the spray nozzles (see total hygiene ser...

  • Page 59

    59 item work to be carried out post evaporation unit – check ceramic plates for breakage. Damaged plates should be replaced (see chapter 6.3.1). – check ceramic plates for soiling. Severely soiled plates should be replaced. Note: a grey discoloration of the ceramic plates is normal. This is due to d...

  • Page 60

    60 6.3 removal and installation of components 6.3.1 removal and installation of ceramic plates removal of ceramic plates note: if the ceramic plates of a rear row (viewed in flow direction) must be removed, the ceramic plates of the adjacent front rows must be dismantled first. The removal sequence ...

  • Page 61

    61 5. Carefully pull the ceramic plate out of one vertical section, slightly tilt the plate forward, then withdraw it from the other vertical section. 6. Remove the ceramic angle(s) located on top of the next ceramic ele- ment. Repeat steps 2 to 6 until all ceramic plates of a row are removed. Insta...

  • Page 62

    62 6.3.2 removal and installation of the spray nozzles removal of the spray nozzles • remove the hose(s) from the spray nozzle (press the locking ring towards screw, then pull hose off). • squeeze the catch locks of the nozzle support and remove the sup- port. Note: the nozzles may have different sp...

  • Page 63

    63 6.4 replacement of silver ionization “hygieneplus” on commissioning, the current of the silver ionization must be adjusted by the technician in accordance with the table in chapter 9.4. Following the results of a germ test the settings may be chang ed at any time later on. If the silver ionizatio...

  • Page 64

    64 6.5 replacement of the control unit fuses the fuses of the control unit must be replaced by authorized personnel only (e.G. Electrician). Caution! Electronic components are sensitive to electrostatic discharge. Protective measures ( esd protection) must be taken before replacing the fuse(s) of th...

  • Page 65

    65 7 what if ...? 7.1 error messages faults detected during operation trigger the fault indicator (red led) and a corresponding event message appears on the display. The cond air dual makes a distinction between alarms and errors. Alarms an alarm indicates a temporary fault that was detected during ...

  • Page 66

    66 errors an error message indicates a fault detected during operation that may cause damage to the system. If such a fault occurs, the condair dual is switched off automatically. Indication: red led lights constantly error message appears on the display example: if the fault indicator (red led) and...

  • Page 67

    67 error message cause/remedy cause: conductance limit exceeded ( >100 µs/cm ). Remedy: check reverse osmosis system (max. Conductance 15 µs/cm ), check conductance sensor and clean, if required. Cause: permeate conductance out of admissible range of tolerance (con- ductance sensor disconnected or s...

  • Page 68

    68 7.2 failures the following table presents failures that do not trigger an error message, together with indications on their cause and notes on how to eliminate the sources of trouble. Failure cause remedy residual water in the section of the duct outside the water tub sealing elements improperly ...

  • Page 69

    69 failure cause remedy spray valve y8 (option z407) does not open (not even at 100% hu- midification request). Spray valve y8 defective or not ac- tivated in the control system. Contact service provider. The humidifier is automatically powered down after about one week of operation. Ag ionization d...

  • Page 70

    70 8 specifications/ambient conditions type capacity in l/h at 7 bar water pressure type capacity in l/h at 7 bar water pressure scope of versions in terms of capacity cd ze / dz 20 cd ze / dz 40 cd ze / dz 60 cd ze / dz 80 cd ze / dz 100 cd ze / dz 120 cd ze / dz 160 cd ze / dz 200 20 40 60 80 100 ...

  • Page 71

    71 9 appendix 9.1 notes on humidity control 9.1.1 notes on humidity control with the internal pi controller the internal pi controller of the condair dual hybrid humidifier the controller built into the condair dual hybrid humidifier is a so­called pi controller (proportional-integral controller). T...

  • Page 72

    72 rf2/t2 rf1/t1 rf0/t0 9.1.2 enthalpy control for condair dual for accurate and energy saving air conditioning an enthalpy control is recommended. In simple terms, enthalpy is the amount of energy of the air in kj/kg. With an enthalpy control the air temperature and the air humidity are used to con...

  • Page 73

    73 basic diagram of an enthalpy control remark: if the temperature is changed at the preheater, the humidifica- tion of the air which can be reached by the humidifier must be adapted to the new temperature before the humidification unit. When adapting, make sure the calculated efficiency factor of t...

  • Page 74

    74 9.2 commissioning protocol/maintenance record on the following two page you will find: – the “commissioning protocol” holding the current operating param- eters – the “maintenance record” specimen (to be copied).

  • Page 75

    75 condair dual 2 commissioning protocol name of test engineer starting point of booster pump [%] date booster pump at flushing on / off? Time silver ionization on / off? Client ionization current, actual / nominal [ma] / contact/supporter remaining capacity of silver electrodes [ah] location of hum...

  • Page 76

    76 condair dual 2 maintenance record unit type serial number commissioning software version location responsible internal no. Date time h 2 o permeate [l] permeate conductance [µs/cm] remain. Cap. Silver electr . [ah] w orking hours [h] next maintenance [h] error history remarks signature page.

  • Page 77

    77 9.3 setup table silver ionization “hygieneplus” setup of ionization current and capacity counter capacity of unit [l/h] 20 30 40 60 80 100 120 125 140 160 180 200 220 type of silver ionization cartridge “hygieneplus” 30 30 60 60 125 125 125 125 250 250 250 250 250 ionization current [ma] 1.0 1.0 ...

  • Page 78

    Notes.

  • Page 79

    © condair ltd., printed in switzerland technical modifications reserved.

  • Page 80

    Consulting, sales and service: manufacturer: condair ltd. Member of the walter meier group talstrasse 35-37, 8808 pfäffikon, switzerland ph. +41 55 416 61 11, fax +41 55 416 62 62 info@condair.Com, www.Condair.Com reg.No. 40002-2.