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ULTRASONIC

21

Copyright STULZ GmbH 02/1997

SET-UP OF ON/OFF CONTROL

Set-up of ON/OFF Control

The most simple mode of control is made by means of a hygrostat which
compares the room humidity values (actual value) with the value adjusted
(setpoint). If the actual value falls below the setpoint, the hygrostat will turn
the humidifier to ON, if the value is higher, the unit is turned off. The control
operation is run with a predetermined switching hysteresis around the
setpoint.

4.1

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Содержание ULTRASONIC

Страница 1: ...AIRCONDITIONING ULTRASONIC ENS TECHNICAL MANUAL ENS INDEX 71 1 2 Edition 2 97 Copyright STULZ GmbH 02 1997...

Страница 2: ...cription 9 3 Capacity Calculation for Ultrasonic Humidifiers 11 3 1 Questionnaire Ultrasonic Humidifiers 18 4 Control System 20 4 1 Set up of ON OFF Control 21 4 2 Set up of Proportional Control 26 4...

Страница 3: ...itations 38 5 1 Assembly ENS Series 39 5 2 Installation Examples for Humidifiers ENS 60 5 3 Start up of Humidifiers ENS 63 5 4 Precautions during Operation 65 6 Accessories 67 6 1 Data Sheet Safety Tr...

Страница 4: ...e water cannot follow because of its inertia of masses therefore imme diately after the unit has been swit ched on a water column is genera ted above the oscillators During the negative amplitude of t...

Страница 5: ...2 14 16 24 30 Oscillators Trans Primary 110V 208V 230V 400V 460V 15 V former 50 60 Hz Secondary 12V 24V 36V 42V 48V 52V No Power 65 125 185 240 310 375 435 495 750 960 W Transf Out 160 160 320 320 320...

Страница 6: ...humidifier path use of a mist collector is possible The smaller the distance to the mist collector the larger the loss effect of the humidifier and the more water is drained off into the pan which ha...

Страница 7: ...ings Unit Assembly ENS 1200 9600 Dimensions L P P1 P2 refer to page 5 Dimensions Legend 1 Water supply module 2 Nebulizing module 3 Mist collector 4 Electric supply 5 Cable socket 6 Water supply line...

Страница 8: ...NICAL DATA ENS SERIES Dimensions L P refer to page 5 Dimensions Legend 1 Water supply module l 7 Water supply line 2 Mist collector 8 Safety overflow 3 Metal plug 9 Water drain 4 Cable 10 Installation...

Страница 9: ...ks that are linked together and used for the nebulization and control of the water supply The nebulization module is equipped with oscillation converters The tank built in for control of water supply...

Страница 10: ...oid valve opens to fill the tank with water As soon as the standard water level has been reached the float switch will turn to OFF again and the solenoid valve is closed 5 Relay externally installed i...

Страница 11: ...ge The most frequent selection criteria are Length of the ENS humidifier at the predetermined depth of the air treatment Number of ENS humidifiers because of number of fixing fixing divices water supp...

Страница 12: ...etermine the reduction of the free cross section caused by the humidfiers Example 1 43 m 3 x 0 137 1 02 m free cross section under consideration of the three humidifiers ENS 14 Determine the air speed...

Страница 13: ...ULTRASONIC 13 Copyright STULZ GmbH 02 1997 CAPACITY CALCULATION FOR ULTRASONIC HUMIDIFIERS 6 4 2 8 g kg x 10000 m h x 1 18 kg m 42480 g h 42 5 kg h...

Страница 14: ...onofthehumidifierpathcontains experience values dependent on the most important parameters The diagram is valid for the temperature range from 18 C to 24 C Should no place be available for the humidif...

Страница 15: ...reduces the output to more than 90 of the operating time of the humidifier according to demand and thus reduces the humidifier path and therefore saves the oscillators and maintains an even distributi...

Страница 16: ...at point M a water content of 5 2 g kg and at point LR of 8 8 g kg can be determined This results in an x of 8 8 g kg 5 2 g kg 3 6 g kg This means that 3 6 g of water per kg hourly recirculated air ha...

Страница 17: ...ed takes away heat from the ambient air enthal py and changes its state of aggregation from liquid to gaseous Because of this adiabatic behavior heat absoption from the ambient air the ambient air in...

Страница 18: ...STULZ GmbH 02 1997 3 1 QUESTIONNAIRE FOR ULTRASONIC HUMIDIFIERS Questionnaire for Ultrasonic humidifiers For planning of a STULZ ULTRASONIC humidification system please make use of the questionnaire...

Страница 19: ...ULTRASONIC 19 Copyright STULZ GmbH 02 1997 KLIMATECHNIK GmbH...

Страница 20: ...provided to protect the oscillators have to be connected in parallel with the oscillator boards For all types the provided contactor for the bath response level indicator of water tank has to be addit...

Страница 21: ...eans of a hygrostat which compares the room humidity values actual value with the value adjusted setpoint If the actual value falls below the setpoint the hygrostat will turn the humidifier to ON if t...

Страница 22: ...er Hygrostat Humidifier Ultrasonic ENS 1200 Ultrasonic ENS 2400 ENS 1200 2400 ON OFF CONTROL The parts supplied by STULZ are identified with Non screened cable max 5m Screened cable max 20m conductivi...

Страница 23: ...at Ultrasonic ENS 3600 Ultrasonic ENS 4800 Ultrasonic ENS 6000 ENS 3600 6000 ON OFF CONTROL Humidifier The parts supplied by STULZ are identified with Non screened cable max 5m Screened cable max 20m...

Страница 24: ...at Ultrasonic ENS 7200 Ultrasonic ENS 8400 Ultrasonic ENS 9600 ENS 7200 9600 ON OFF CONTROL Humidifier The parts supplied by STULZ are identified with Non screened cable max 5m Screened cable max 20m...

Страница 25: ...onic ENS 14 Ultrasonic ENS 18 ATTENTION Filter ZAC 2210 00U and capacitator C1 following the CE EMC guidelines enclosed for EU Humidifier The parts supplied by STULZ are identified with Non screened c...

Страница 26: ...actual value is compared with the setpoint and the humidifier output is adjusted in accordance with the control difference Proportional control consists of the humidity sensor the continuous controlle...

Страница 27: ...0 6 sqmm max 120m line 1 0 sqmm max 300m ENS 1200 2400 PROPORTIONAL CONTROL Ultrasonic ENS 1200 Proportional Ultrasonic ENS 2400 Proportional The parts supplied by STULZ are identified with Non scree...

Страница 28: ...ltrasonic ENS 3600 Proportional Ultrasonic ENS 4800 Proportional Ultrasonic ENS 6000 Proportional humidity sensor line 0 6 sqmm max 120m line 1 0 sqmm max 300m The parts supplied by STULZ are identifi...

Страница 29: ...ltrasonic ENS 7200 Proportional Ultrasonic ENS 8400 Proportional Ultrasonic ENS 9600 Proportional humidity sensor line 0 6 sqmm max 120m line 1 0 sqmm max 300m The parts supplied by STULZ are identifi...

Страница 30: ...rtional Proportional Adapter line 0 6 sqmm max 120m line 1 0 sqmm max 300m The parts supplied by STULZ are identified with Non screened cable max 5m Screened cable max 20m conductivity sensor Pre alar...

Страница 31: ...9 and 10 of the proportional adapter the green LED illuminates At the same time the solid state relay starts operating with an operating time of 10 This is indicated by flashing of the red LED With th...

Страница 32: ...n load voltage 24 280 V eff Peak off state voltage 600 V Leak current at 280 V eff 8 15 mA eff Turn on off procedure No voltage release Electric strength of Potential separation min 2500 V eff Insulat...

Страница 33: ...0 kOhm via TP1 adjustable to 20 30 V Terminal 9 Bath response humidifier response Terminal10 Bath response release by water level 48VAC 50Hz Terminal 11 Supply voltage 12 V AC supply voltage Terminal...

Страница 34: ...trol box according to the identifications given In case the connecting line is extended the dimen sioning refer to 5 has to be taken into consideration 2 ON OFF Control ENS14 and ENS18 Proportional Co...

Страница 35: ...nsformers secondary side to 52 VAC ENS 1200 1 48 VAC 1 35 A 60 m 100 m ENS 2400 1 48 VAC 2 60 A 31 m 51 m ENS 3600 1 48 VAC 3 85 A 21 m 35 m ENS 4800 1 48 VAC 5 00 A 16 m 27 m ENS 6000 1 48 VAC 6 46 A...

Страница 36: ...1200 9600 4 5 Electrotechnical Information ENS 1200 9600 Internal Wiring Legend V2 4 Varistor CH Relay board HR Auxiliary relay SV Solenoid valve FS1 Float switch for water supply FS2 Flow switch for...

Страница 37: ...ON ENS 14 18 Electrotechnical Information ENS 14 18 Internal Wiring 4 6 Legend CH Relay board LWU Varistor SV Solenoid valve FS1 Float switch for water supply FS2 Float switch for low water level TP T...

Страница 38: ...ainless steel 1 4571 100 C PVC Polyvinylchloride 60 C PP Polypropylene 100 C PVDF Polyvinylidenfluoride 100 C PA Polyamide 60 C PSO Polyethylene 60 C Limits in Application Water quality 5 S cm up to 2...

Страница 39: ...ld be installed such that it is easily accessible for reapir and service A drain pan made from stainless steel 1 4571 has to be provided The length of the pan should correspond to the humidifier path...

Страница 40: ...a Install humidifier in exactly horizontal position b The identification on the casing shows that direction of air flow must correspond to actual direction of air flow c Sufficient clearance to be pro...

Страница 41: ...t and the humidifier by means of a material that is resistant to fully demineralized water e g PE or stainless steel 1 4571 3 Swarf and dirt accumulation must not get into the water lines Clean all li...

Страница 42: ...42 Copyright STULZ GmbH 02 1997 ASSEMBLY ENS SERIES Waterside connections at humidifiers type ENS For position of the connections and other unit dimensions please refer to point 2 2 Water Supply Line...

Страница 43: ...Z GmbH 02 1997 ASSEMBLY ENS SERIES Drain Connection to a drain pipe with solenoid valve is only required when due to special hygienic regulations the draining off of the water is necessary after a pro...

Страница 44: ...4 PE pipe 9 bar M03777 Stainless steel pipe L11200 Union nut prov by Stulz ENS humidifier for stainless steel pipe Olive prov by STULZ ENS humidifier for stainless steel pipe PE pipe Quick coupling 6...

Страница 45: ...ULTRASONIC 45 Copyright STULZ GmbH 02 1997 INSTALLATION EXAMPLES ENS HUMIDIFIERS...

Страница 46: ...irflow in front of the humidifier Requirement open cross section 60 4 Direct connection of safety overflow To obtain shortest possible humidifier paths it is very important to distribute the mist as e...

Страница 47: ...d plate has to be installed in front of the air inlet of the humidifier illustration no 1 The perforated plates reduce the free cross section by more than 60 and therefore reduce the air speed through...

Страница 48: ...ifier type A mm B mm M03191 ENS 1200 185 136 M03190 ENS 2400 185 255 M03189 ENS 3600 185 375 M10431 ENS 4800 185 495 M03188 ENS 6000 185 615 M03187 ENS 7200 185 735 M03186 ENS 8400 185 855 M03184 ENS...

Страница 49: ...2 Angle section for buffle plate ENS Type A B C D E ENS 1200 220 120 50 60 25 ENS 2400 340 240 50 60 25 ENS 3600 460 360 50 60 25 ENS 4800 580 480 50 60 25 ENS 6000 700 600 50 60 25 ENS 7200 820 720...

Страница 50: ...ONIC 50 Copyright STULZ GmbH 02 1997 ASSEMBLY ENS SERIES Illustration no 3 Angle section for buffle plate ENS Type A B1 B2 C D E ENS 8400 940 480 360 50 60 25 ENS 9600 1060 480 480 50 60 25 Material C...

Страница 51: ...uffle plates illustrations 4 5 and 6 are used to reverse the air flow entering the humidifier from above to horizontal flow and to guide it through the humidifier The buffle plates are fixed to an U p...

Страница 52: ...ULTRASONIC 52 Copyright STULZ GmbH 02 1997 ASSEMBLY ENS SERIES Illustration no 4 Buffle plate for ENS Type ENS 1200 3600 Material CNS 1mm...

Страница 53: ...ULTRASONIC 53 Copyright STULZ GmbH 02 1997 ASSEMBLY ENS SERIES Drawing no 5 Buffle plate for ENS Type ENS 4800 7200 Material CNS 1mm...

Страница 54: ...ULTRASONIC 54 Copyright STULZ GmbH 02 1997 ASSEMBLY ENS SERIES Illustration no 6 Buffle plate for ENS Type ENS 8400 9600 Material CNS 1mm...

Страница 55: ...Copyright STULZ GmbH 02 1997 Illustration no 7 U profile for buffle plate ENS Type A B C D ENS 1200 3600 40 550 165 10 ENS 4800 7200 40 890 165 10 ENS 8400 9600 40 1150 165 10 Material CNS 1mm ASSEMB...

Страница 56: ...ir treatment unit may be performed by means of brackets that are screwed to the side walls A U shaped bar illustration no 8A is attached to these brackets which has the relevant width of the duct or a...

Страница 57: ...8 Assembly design ENS Brackets Article No Type A B inside dim M03180 ENS 1200 9600 173 25 M03183 ENS 14 18 273 40 Material V2A 1mm Illustration no 8a U shaped bar Type A B C Inside dim ENS 1200 9600 1...

Страница 58: ...e bracket provides a distance between the humidifier and the pan of 100 mm This clearance is necessary for the generation of the carrier airflow for the mist The same clearance should be provided abov...

Страница 59: ...are to be installed in a duct or an air treatment unit they have to be distributed across the duct cross section in order to achieve a constant distribution of humidity in the airflow An appropriate s...

Страница 60: ...several Ultrasonic humidifiers are to be installed in a duct the humidi fiers have to be distributed across the duct cross section in order to achieve a constant distribution of the humidity in the a...

Страница 61: ...humidifier in airflow direction should be larger than the humidifier path Provide a stainless steel pan corresponding to the lengthof the humidifier path The pan must be fitted with a drain connected...

Страница 62: ...demineralized INSTALLATION EXAMPLES FOR ENS HUMIDIFIERS Complete Casing Assembly for 8 ENS 18 with Mist Collector and Revision Doo A mist collector is not necessarily required for the humidifier path...

Страница 63: ...ed at 230 48 volt and is interlocked with the fan d Assemble and attach all other components in correct and safe manner e Make sure that the humidifier is supplied with electric current and fully demi...

Страница 64: ...ed period of time without air supply Humidifier operation 1 Open water valve 2 Set the hygrostat i e the humidity control to the desired air humidity level 3 If humidification is demanded and the air...

Страница 65: ...peration 3 A hygrostat or humidity sensor should be activated if the air humidity falls below the setpoint 4 Should more than one humidifier be controlled by one hygrostat only multiplication should b...

Страница 66: ...fan in order to ensure the dissolution of the aerosols and to avoid the generation of condensates 11 It is recommended to use maximum sensors in the intke air for con tinuous and multistage control 1...

Страница 67: ...ULTRASONIC 67 Copyright STULZ GmbH 02 1997 Data sheet safety transformers 6 1 DATA SHEET SAFETY TRANSFORMERS...

Страница 68: ...ntact is closed via terminals X1 6 and X1 7 and opened via contacts X1 6 and X1 7 Terminals X1 1 and 1 2 are provided for connection of an indicating instru ment Output voltage is rated at 0 1 volt wh...

Страница 69: ...tions X1 1 0 1 V Iactual value output 0 50 S cm X1 8 K1 break contact 5 S cm X1 2 Mass X1 9 K1 Bockpol X1 3 Electrode X1 10 K1 make contact X1 4 Electrode X1 11 supply 0 V N X1 5 K2 make contact 20 S...

Страница 70: ...s will be supplied loose with the delivery This applies for deliveries within the European Community This simple modification is only necessary for new installations A retrofit of existing installatio...

Страница 71: ...alent has to be connected on the primary of the transformer In addition a condenser 0 22 F part no M25114 has to be connected parallel to the filter induct see diagram 230 V Power Supply 0 22 F Filter...

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