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Troubleshooting
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Related Manuals for Stulz SupraSteam SEH Series
Summary of Contents for Stulz SupraSteam SEH Series
- Page 1 STULZ the natural choice Electrode steam humidifier STULZ SupraSteam ®...
- Page 2 The STULZ humidifiers are advanced products, whose operation is specified in the technical documentation supplied with the product or can be downloaded, even prior to purchase, from the website www.stulz.com. Each STULZ product, in rela- tion to its advanced level of technology, requires setup/confi guration/ programming/commissioning to be able to operate in the best possible way for the specific application.
- Page 3 STULZ, its employees or subsidiaries be liable for any lost earnings or sales, losses of data and information, costs of replacement goods or services, damage to things or people, downtime or any direct, indirect,...
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Page 4: Table Of Contents
Three-phase wiring diagram for 25-65 kg/h humidifiers .............. 31 6.10 Three-phase 25-65 kg/h boiler configuration................32 7 START-UP, CONTROL AND SHUT-DOWN ................... 32 Preliminary checks ........................32 Starting the unit ..........................33 The humidifier controller ....................... 34 Shut-down ............................ 36 © STULZ GmbH, Hamburg... - Page 5 12.1 Setting the alarm thresholds ....................... 57 12.2 Other functions ..........................58 13 TECHNICAL SPECIFICATIONS......................60 13.1 Dimensions and weights ......................61 13.2 Technical specifications of the remote control ................61 13.3 Technical specifications of the ventilated steam distributor ............61 © STULZ GmbH, Hamburg...
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Page 6: Models And Description Of The Components
(3) in kg/h 40 = 400 Example: The code SEH0153H40E identifies an immersed Stulz electrode humidifier (SEH) with: • rated steam capacity 15 kg/h (015); • 3 electric phases (3); • internal controler (H); • supply voltage 400 VAC (40);... -
Page 7: Description Of The Components
1.2.2 Description of the components from 25 kg/h up to 65 kg/h steam production Key: no. description cylinder drain pump drain electrovalve remote control switch transformer relay fuse carrier power cable terminal block cable gland ON- OFF switch / manual drain switch main board controller Fig. 1.2.2.1 © STULZ GmbH, Hamburg... -
Page 8: Description Of The Water Bearing Components
The supply tank is fitted with an overflow diaphragm that discharges the excess water through a special pipe. The overflow diaphragm is lower than the filling inlet, to prevent back-flow into the supply pipe. © STULZ GmbH, Hamburg... -
Page 9: Control And Operating Principle
The minimum production, Pmin is set at 20% of the rated value, with the activation hysteresis, value hy, equal to 2% for P controllers and equal 5% for H controllers of the entire BP of the external signal Y. controllers with parameter A0= 1 Steam production Pmax Pmin Fig. 2.2.2.1 © STULZ GmbH, Hamburg... - Page 10 In case of exceeding / falling below this threshold after an adjustable delay P4, an alarm state is activated and the contact of the corresponding relay on the main controller board is closed. Steam production Pmin Steam production % rH activated DEHUMIDIFICATION deactivated Fig. 2.2.3.1 © STULZ GmbH, Hamburg...
- Page 11 In applications for steam baths, where the control probe measures temperature rather than humidity, the same considera- tions are valid as described in paragraph 2.2.3, replacing relative humidity with temperature. The dehumidification function is not available in this operating mode. High temperature limit 60°C, see Table 8.2.1 (P2). © STULZ GmbH, Hamburg...
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Page 12: Mounting
Model SEH 001...008 SEH 010...015 SEH 025...045 SEH065 Fig. 3.3.1 Z’ Z’ Fig. 3.3.2 Modell SEH 001...008 SEH 010...015 SEH 025...045 SEH065 Modell SEH 001...008 SEH 010...015 SEH 025...045 SEH065 Modell SEH 001...008 SEH 010...015 SEH 025...045 SEH065 © STULZ GmbH, Hamburg Z’ Z’ Z’... -
Page 13: Removal And Reassembly Of The
With reference to Fig. 3.4.1, to remove the front cover of the humidifier, proceed as follows: • turn the oval-shaped plate with the STULZ logo 90° revealing the head of the ground screw below; • remove the screw using a screwdriver;... -
Page 14: Water Connections
1. the use of well water, industrial water or water from cooling circuits and, in general, any potentially chemically or bacte- riologically contaminated water; 2. the addition to the water of disinfectants or corrosion inhibiters, as these are potential irritants. © STULZ GmbH, Hamburg... -
Page 15: Characteristics Of The Drain Water
36 and 40 mm. This section of pipe must be fastened using metal pipe clamps: • above, to the outlet of the appliance; • below, onto the rigid pipe, so as to create a minimum slope of 5°. © STULZ GmbH, Hamburg... -
Page 16: Diagram Of Water Connections
IMPORTANT WARNING: When installation is completed, flush the supply pipe for around 30 minutes by piping the water directly into the drain without sending it into the humidifier. This will eliminate any scale or processing residues that may block the fill valve or cause foam when boiling. © STULZ GmbH, Hamburg... -
Page 17: Steam Distribution
80% rH. If these limits are not possible, the steam can be distributed in the cold room using a linear distributor. In any case, the steam must not come into direct contact with flows of air cold from the refrigeration unit in the cold room, to avoid possible condensation. © STULZ GmbH, Hamburg... -
Page 18: Steam Distribution In Ducts - Linear And Concentrated Jet Distributors (Oem)
STULZ supplies two ranges of linear distributors: one in aluminium, with plastic ends. Figures 5.3.1 provide the dimensions of the STULZ distributors, while table 5.3.1 specifies the minimum number and the model of the distributor recommended for the type of humidifier used. -
Page 19: Concentrated Jet Steam Distributor (Oem)
• an increase in the relative humidity of the air before and, above all, after humidification; • a decrease in turbulence. Follow the indications and the distances between the distributor and the walls of the ducting and/or between two distribu- tors, as indicated in the figures below (distances in mm). © STULZ GmbH, Hamburg... -
Page 20: Installation Of The Steam Pipe
5.6 Installation of the steam pipe The humidifier must be connected to the distributor using a pipe suitable for this purpose, such as the STULZ flexible pipe. The use of unsuitable tubing may cause weakening and cracking and consequently steam leaks. The layout of the pipe must be such as to avoid the accumulation of con densate, with consequent noise (gurgling) and reduction in efficiency;... -
Page 21: Installation Of The Condensate Return Pipe
5° at every point; • the condensate pipe always follows a downwards path and features a drain trap (filled with water before starting opera- tion) to avoid steam being released. © STULZ GmbH, Hamburg... -
Page 22: Electrical Connections
6.11.1 - 6.12.1. The TAM measures only half of the phase current because there is only one turn wound. © STULZ GmbH, Hamburg... -
Page 23: Checking The Voltage Of The Auxiliary Circuit Transformer
2. terminal block H (alarm contact); 3. terminal block K (manual remote DRAIN command); 4. terminal block I (control signals); 5. terminal block J (to remote terminal or supervisory system); 6. dip-switch for selecting TA RATE Fig. 6.3.1 © STULZ GmbH, Hamburg... - Page 24 2 A with inductive load ≈ 28 V derived from rectifying 24 Vac; max 250 mA RS-485 standard remote button switch NC contact common contact terminal block for DRAIN control NO contact with simultaneous disabling of power supply Tab. 6.3.1 © STULZ GmbH, Hamburg...
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Page 25: External Control Signals
6.4 H controller with humidity or temperature control operation The type H humidifiers with humidity control operation can be connected via RS485 to the STULZ Humivisor MT remote control panel or a remote supervisor. These can be controlled in the following four different ways (for further details, see... - Page 26 Fig. 6.4.6 + (G) + (G) Out H Out H The diagrams shown in Fig. 6.4.7 show the connections to be made using STULZ probes, with: • just one relative humidity probe; • outlet humidity limiting probe. outlet humidity + (G)
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Page 27: Auxiliary Contacts
• for the control probe HT (TT in the case of steam baths), to terminal 5I, the ground (GND) for which is terminal 6I; • for the limit probe CH, to terminal 1I, the ground (GND) for which is terminal 2I. © STULZ GmbH, Hamburg... -
Page 28: Checks
• terminals 7I and 8I (version H) or terminals AB-AB (version P) are jumpered or connected to an enabling contact; • the ground of any non-CAREL probes are connected to the controller’s ground; • if the appliance is controlled by an external regulator, the ground of the control signal is connected to the controller’s ground. © STULZ GmbH, Hamburg... -
Page 29: Single-Phase Wiring Diagram For 1-5 Kg/H Humidifiers
6.7 Single-phase wiring diagram for 1-5 kg/h humidifiers (**) Attention: for TAM configurations and connections see par. 6.1.1 Fig. 6.7.1 (see the key ph. 6.9) © STULZ GmbH, Hamburg... -
Page 30: Three-Phase Wiring Diagram For 3-15 Kg/H Humidifiers
(**) Attention: for TAM configurations and connections see par. 6.1.1 Fig. 6.8.1 terminal block drain valve high level electrodes contactor conductivity measurement electrodes F1-F2 auxiliary fuses manual drain transformer thermal protection manual switch fill valve * installer’s responsibility © STULZ GmbH, Hamburg... -
Page 31: Three-Phase Wiring Diagram For 25-65 Kg/H Humidifiers
Fig. 6.9.1 (see the key paragraph. 6.12) terminal block drain pump contactor high level electrodes F1-F2-F3 auxiliary fuses conductivity measurement electrodes external TAM pump control relay transformer manual drain manual switch filter fill valve auxiliar fuse © STULZ GmbH, Hamburg... -
Page 32: Three-Phase 25-65 Kg/H Boiler Configuration
• in case of humidification in ducts, the operation of the humidifier is slaved to the operation of the air fan (instead of or in series with the remote ON/OFF contact); • the condensate return pipe from the distributor is installed and free to drain; • the drain pipe is correctly connected and free. © STULZ GmbH, Hamburg... -
Page 33: Starting The Unit
The water contained in the cylinder can be drained manually by pressing the DRAIN button marked with the arrow (see Fig. 7.2.3.2). On releasing the button, if request for humidification persists, the controller will start production, filling with water if necessary. © STULZ GmbH, Hamburg... -
Page 34: The Humidifier Controller
LEDs on the display light up. Fig. 7.3.2.1 alarm dehum . x1000 2 - INITIALISATION dehum . x1000 This phase lasts 4 seconds. The LEDs shown here alarm light up on the display. Fig. 7.3.2.2 alarm © STULZ GmbH, Hamburg... - Page 35 2. after 2 seconds, the drain electrovalve is activated, and the display shows the message “dr ”. 3. the cylinder is completely emptied, after which the controller returns to normal operation. The procedure can be stopped at any time by pressing the s and t buttons together again for 2 seconds. © STULZ GmbH, Hamburg...
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Page 36: Shut-Down
Tab. 8.1 © STULZ GmbH, Hamburg... -
Page 37: Reading And Setting The Ambient Humidity Set Point
5. press the SEL button to temporarily confirm the value displayed: the ID code of the selected parameter will be displayed again; 6. press the PRG button to conclude the programming phase. Note: The modifications are confirmed only by pressing the PRG but ton. For further details, see paragraph 8.4. © STULZ GmbH, Hamburg... -
Page 38: Reading And Setting The Configuration Parameters
8. press the PRG button to permanently save the changes and end the programming phase. Note: The modifications are confirmed only by pressing the PRG button. For further details, see paragraph 8.4. dehum . x1000 alarm Fig. 8.3.1 © STULZ GmbH, Hamburg dehum . x1000... - Page 39 -10.0, …, 10.0 offset Tab. 8.3.1 dehum . x1000 by updating parameter A0, parameters P2, P3, P7 and St are automatically reset to the corresponding default value see WARNING to the side of Fig. 8.1 alarm © STULZ GmbH, Hamburg...
- Page 40 ON, depending on bF ALARMS ABSENT ON, depending on bF ALARMS ABSENT OPEN CLOSED ON, depending on bF ALARMS ABSENT CLOSED ON, depending on bF ALARMS ABSENT OPEN ALARMS ABSENT OPEN ALARMS ABSENT CLOSED ALARMS ABSENT © STULZ GmbH, Hamburg...
- Page 41 ALARMS ABSENT ON, depending on bE CLOSED OPEN ALARMS ABSENT ON, depending on bE OPEN ALARMS ABSENT ON, depending on bE ALARMS ABSENT ON, depending on bE CLOSED ALARMS ABSENT ON, depending on bE CLOSED Tab. 8.3.3 © STULZ GmbH, Hamburg...
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Page 42: Validity Of The Modifications To The Parameters
ID code. After a further 5 seconds, the display begins flashing again, and after 60 seconds the programming phase is terminated and the parame ters return to the values previous to the programming phase. © STULZ GmbH, Hamburg... -
Page 43: Recalling The Default Parameters (Factory Settings)
Fahrenheit relative r.F. humidity in % steam production in kg/h steam production in pounds/h Tab. 8.7.1 display unit of measure time in seconds M’ time in minutes time in hours conductivity µS/cm percentage Tab. 8.7.2 © STULZ GmbH, Hamburg... -
Page 44: The Remote Control (Optional)
The remote control will operate at up to a distance of 3 metres, and can be used with all appliances in the STULZ SupraSteam family. In the event where there is more than one humidifier within the ®... -
Page 45: Programming From The Remote Control
(Fig. 9.1.1.1) to enter the access code for the machine to be operated on. Any zeroes must be included (e.g.: if the display shows 05, press the 0 and then the 5 button). If the code is correct, the first accessible parameter is displayed. © STULZ GmbH, Hamburg... -
Page 46: Exiting The Programming Phase
To exit the programming phase without confirming the modifications made: • do not press any button for 60 seconds, if the parameter code is displayed; • do not press any button for 120 seconds, if the value of the parameter is displayed. © STULZ GmbH, Hamburg... -
Page 47: Maintenance And Spare Parts
As a precaution, check, at the frequency recommended further on, the deposits and the blackening of the wall of the cylin- der, and replace the cylinder if necessary. CAUTION: Always disconnect the appliance before touching the cylinder in the event of leaks, as current may be passing through the water. © STULZ GmbH, Hamburg... -
Page 48: Maintenance Of The Other Plumbing Components
After having replaced or checked the plumbing, check that the connections have been carried out correctly and the cor- responding seals have been used. Re-start the machine and perform a number of supply and drain cycles (from 2 to 4), then, applying the safety procedure, check for any water leaks. © STULZ GmbH, Hamburg... -
Page 49: Component Replacement
Fuse 4 protection of the secondary 2.5 A T winding 5 x 20 ceramic Tab. 10.3.1.1 Note: For the H version board up to 15 kg/h the secondary winding protection is carried out through the thermofuse within the transformer. © STULZ GmbH, Hamburg... -
Page 50: Spare Parts
200/230 Vac 1~, conductivity 125/350 µS/cm BLCS2E00W0 200/230 Vac 1~, conductivity 350/1250 µS/cm BLCS2F00W0 electrode kit (200/230 Vac 1~, 125/350 µS/cm) KITBLCS2E0 electrode kit (200/230 Vac 1~, 350/1250 µS/cm) KITBLCS2F0 electrode gasket kit KITBLC2FG0 Tab. 10.4.1.2 © STULZ GmbH, Hamburg... - Page 51 400VAC for power supply voltage 460-575VAC for power supply voltage 230VAC for power supply voltage 208VAC © STULZ GmbH, Hamburg...
- Page 52 (460/575 Vac 3 , 125/350 S/cm) KITBLCT2C0 KITBLCT2C0 KITBLCT3C0 KITBLCT3C0 ∼ µ electrode kit (460/575 Vac 3 , 350/1250 S/cm) KITBLCT2D0 KITBLCT2D0 KITBLCT3D0 KITBLCT3D0 ∼ µ electrode gasket kit KITBLC2FG0 KITBLC2FG0 KITBLC3FG0 KITBLC3FG0 Tab. 10.4.2.2 © STULZ GmbH, Hamburg...
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Page 53: Alarms, Troubleshooting
If control is disabled (remote control OFF), the alarm relay is deactivated, even though the alarm condition is still present. The column corresponding to the remote terminal indicates the alarm message that appears on the STULZ Humivisor re- mote LCD, if connected to the humidifier. In the event of an alarm condition, LED 9 (see Fig. 11. 1. 1) starts flashing, while, unless in programming mode, the display shows the alphanumeric alarm code. -
Page 54: Table Of Alarms And Signals
(low temp. for T control) only limit set for parameter P3 E124 high outlet humidity check the operation of the outlet signal manual active auto probe only © STULZ GmbH, Hamburg... - Page 55 12.2.5 extended inactivity complete periodical see paragraph 12.2.9 draining active anti-foam algorithm see paragraph 12.2.3 active Tab. 11.2.1 * STULZ Humivisor (H or l) ** it is recommended to replace the cylinder first © STULZ GmbH, Hamburg...
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Page 56: Troubleshooting Table
4. check the fastening of the pipe clamps on the 4. the steam outlet pipe is not properly fastened to steam outlet the cylinder Tab. 11.3.1 © STULZ GmbH, Hamburg... -
Page 57: Setting The Alarm Thresholds And Other Functions
Furthermore, the controller signals excess conductivity in the supply water (see paragraph 11.1 et seqq.). WARNING: The parameter A0 and the operating and alarm para meters are factory set (default values valid for normal applications). Nonetheless, these can be modified by the user, following the instructions contained in chap. 8. © STULZ GmbH, Hamburg... -
Page 58: Other Functions
24 hours the controller will run a complete drain cycle of the cylinder, and the display will show the code “dP” (periodi- cal drain). If periodical draining is enabled, the number of hours between two drain cycles can be changed, by setting the parameter “bE”. © STULZ GmbH, Hamburg... - Page 59 3. after 10 min, opens the fill electrovalve and closes the remote control switch, and then measures the phase current: If the current increases, the controller concludes water has returned, and cancels the alarm on the display, deactivates the alarm relay and returns to normal operation; otherwise, it returns to step 2, awaiting the next check. © STULZ GmbH, Hamburg...
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Page 60: Technical Specifications
7.50 11.25 18.75 26.25 33.75 48.75 Tab. 13.1 * single-phase, ** three-phase (1) the average steam production is affected by factors such as: the ambient temperature, the quality of the water and the steam distribution system © STULZ GmbH, Hamburg... -
Page 61: Dimensions And Weights
Tab. 13.3.1 -10T40/ -10T40/ -10T40/ -10T40/ -10T40/ -10T40/ -10T40/ -10T60/ 10T60/ -10T60/ -10T60/ 10T60 10T60 10T60 10T60 10T60 10T60 10T60 0T80 0T80 0T80 0T80 STULZ reserves the right to modify or change its products without prior notice. © STULZ GmbH, Hamburg...
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