Devatec ElectroVap RTH-HC Series Instruction & Operation Manual
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Devatec ElectroVap RTH-HC Series Instruction & Operation Manual

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Instruction & Operation
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ElectroVap® HUMIDIFIERS
RTH-HC Series

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Summary of Contents for Devatec ElectroVap RTH-HC Series

  • Page 1 Instruction & Operation Manual ElectroVap® HUMIDIFIERS RTH-HC Series...

  • Page 2: Table Of Contents

    ELECTROVAP RTH-HC ® Contents 1. SAFETY INSTRUCTIONS 1.1 INTRODUCTION 1.2 IMPORTANT REMARKS 1.3 DECLARATION OF CONFORMITY 1.4 ROHS DECLARATION PRODUCT PRESENTATION 2.1 CHARACTERISTICS 2.2 SIZE 2.3 HUMIDIFIER COMPONENT PARTS 2.4 IMPORTANT INSTRUCTIONS INSTALLATION 3.1 PROCEDURE 3.2 WATER SUPPLY 3.3 DISPERSION TUBE POSITIONING 3.4 STEAM OUTLET 3.5 CONDENSATE DRAINING WITH SIPHON 3.6 DRAIN HOSE CONNECTION...

  • Page 3: Safety Instructions

    • If your package is damaged or missing, please make a complaint to your carrier with a receipt acknowledgment letter within 24 hours and make a declaration to your Devatec agent. • Pictures, graphics, and values may be subject to technical changes without notice.

  • Page 4: Important Remarks

    Devatec guarantees that its devices are one (1) year warranty. Devatec’s liability will be limited exclusively to Devatec’s repair or replacement of the part or product, excluding labor, disassembly, or installation costs. Devatec may also decide to refund the purchase price of the product or part of it, at its discretion. The...

  • Page 5: Declaration Of Conformity

    2014/35/UE Humidifier DEVICE TYPE RTH-HC MODEL NAME Devatec MANUFACTURER 185 Boulevard des Frères Rousseau 76550 Offranville - FRANCE We the undersigned, hereby declare that the equipment specified above conforms to the above Directive(s) and Standard(s). Valid for units with serial number starting from n° 600 001 FRAMBOT Jean-François...

  • Page 6: Product Presentation

    ELECTROVAP RTH-HC ® 2. PRODUCT PRESENTATION CHARACTERISTICS The RTH-HC humidifier is an electric humidifier, designed for air humidification in air handling unit. Like all the other humidifiers of the range, it is compatible with the Blower Pack. Standard delivery includes: 1.

  • Page 7: Size

    ELECTROVAP RTH-HC ® SIZE Fig. 2-2. Humidifier sizes RTH-HC 5-50 RTH-HC 60-100 Number of steam outputs Dimension [mm] / [in] A: Width 690 / 27.2 1130 / 27.2 B: Height 775 / 30.5 775 / 30.5 C: Depth 350 / 13.8 350 / 13.8 D: Cabinet Height 755 / 29.7...

  • Page 8: Humidifier Component Parts

    ELECTROVAP RTH-HC ® HUMIDIFIER COMPONENT PARTS Fig. 2-3. Humidifier component parts Steam hose Filling cup Display board Main board Contactor Fuse holders 3 relay board (optional) 8a Transformer 2x115 / 2x12V S: 50VA 8b Option: Transformer UL ON/ OFF Switch 10 Power rail 11 Identification label 12 Inlet valve...

  • Page 9: Important Instructions

    ELECTROVAP RTH-HC ® IMPORTANT INSTRUCTIONS • Ambient temperature: between 5 and 40°C • Ambient humidity: < 80% Relative humidity • Back side: this component heats during operation (up to 60°C). Make sure that the support of the device is not made of a heat-sensitive material. •...

  • Page 10: Installation

    ELECTROVAP RTH-HC ® 3. INSTALLATION PROCEDURE • Mark and drill where indicated (holes size depends on the selected dowels and support materials). • Put the dowels in the holes. • Screw the top screws into the dowels (M6 recommended), let them protrude by about 10 mm/0.39in. •...

  • Page 11: Water Supply

    ELECTROVAP RTH-HC ® WATER SUPPLY 3.2.1 Recommendation Our device is designed to be used with any following water type: ✓ drinking water (according to Directive 98/83/EEC), ✓ softened water, ✓ demineralized water, reverse osmosis water Flexible braided hose with 3/4” FF thread Isolation valve Fig.

  • Page 12: Dispersion Tube Positioning

    ELECTROVAP RTH-HC ® DISPERSION TUBE POSITIONING Steam dispersion tubes: the steam from the humidifier is injected in a duct or an air handling unit via a steam dispersion tube. To obtain the best performance of the humidifier, select the longest pipe. Spirit level Threaded rod Fig.
  • Page 13 Minimum absorption distance "D" [m] This calculation table is to be used for temperatures between 20°C and 25°C (68°F to 77°F) (Maximum air speed 5m/s). For calculated distances, contact your Devatec agent. 3.3.3 Minimum absorption distance The steam dispersion pipes must be positioned after the minimum specified absorption distance. Please follow the guidelines depending on the configuration of your air handling unit.
  • Page 14 A high limit humidistat must be installed in the duct to stop the humidifier in case the level of humidity exceeds the preset value. • If the recommended distances cannot be met, please contact Devatec or their authorized agent for an alternative solution. •...
  • Page 15 ELECTROVAP RTH-HC ® Make sure that spaces and distances are respected. If you have any doubts about the calculation, please contact us. H1 = 110 mm = Minimum height between the duct floor and the axle of the steam pipe. H2 = 140 mm minimum for a standard mounting / 110 mm minimum for a stair mounting.
  • Page 16 ELECTROVAP RTH-HC ® Fig. F 3-3. Vertical ducts Fig. G 3-3. Ducts with limited height In vertical ducts where the air flow is upward or In ducts with limited height, the distribution downward, the steam distribution pipe(s) must pipe(s) can be tilted by 30° to get the 80 mm be tilted by 15°...

  • Page 17: Steam Outlet

    ELECTROVAP RTH-HC ® STEAM OUTLET 1. Preferably use a flexible steam hose that is resistant to a temperature of 100°C. NB: when new hoses are installed, a smell of burnt plastic may be smelt during the first running of the steam humidifier.

  • Page 18: Condensate Draining With Siphon

    ELECTROVAP RTH-HC ® CONDENSATE DRAINING WITH SIPHON Fig. A 3-5. Fig. B 3-5. The condensate hose must not be directly connected to the public sewerage network. H min. (mm) = P (Pa)/10 with P = absolute pressure of the air handling unit or the ventilation duct...

  • Page 19: Drain Hose Connection

    ELECTROVAP RTH-HC ® DRAIN HOSE CONNECTION The following drawing shows the drain hose connection that should be made. Use a Ø 40 mm rubber drain hose with the 2 supplied hose clamps, heat-resistant (up to 100°C). Connect the hose to the draining system. Regular replacement is recommended. If rigid piping is used, it must be a heat-resistant PVC material (up to 100 °C).
  • Page 20 ELECTROVAP RTH-HC ® A funnel can also be used (see picture below), but it should be offset from the underside of the unit to prevent any steam and/or condensation from getting into the cabinet. CAUTION: keep a minimum downward slope of 10° for both the draining & overflow hoses of the humidifier and for the general drain pipe.

  • Page 21: Electrical Connections

    ELECTROVAP RTH-HC ® ELECTRICAL CONNECTIONS All work on the electrical parts must be carried out by qualified and authorized personnel. In addition, before making any electrical connections, check that your installation has been determined from the values in the below table. Respect local regulation concerning electrical connections.

  • Page 22: Electrical Wiring

    ELECTROVAP RTH-HC ® ELECTRICAL WIRING Up [V] = POWER VOLTAGE Uc [V] = CONTROL VOLTAGE Up(V) = 3x200 - 230Vac (50-60Hz) Up(V) = 1x200 - 230Vac (50-60Hz) RTH-HC RTH-HC 4 1 2 3 4 1 2 Electrical isolator + Electrical isolator + Protection Protection Up(V)
  • Page 23 ELECTROVAP RTH-HC ® Up(V) = 3x380–690Vac (50-60Hz) Avec OPTION : Transformer : sec : 2x115V RTH HC OPTION Transfo. 100 VA 3 4 1 2 PRIM Electrical isolator Protection Up(V)
  • Page 24 ELECTROVAP RTH-HC ® 3.8.1 Control signal connection The wiring of the optional equipment must be made with 0.75 mm shielded cable. This control signal wire should not be routed with a power cable. ON/OFF CONTROL ELMC Control Switch CTRL SIGNAL TYPE 3 4 1 2 ON - OFF CONTROL Safety...
  • Page 25 ELECTROVAP RTH-HC ® Humidity HUMIDITY SENSOR CONTROL sensor Safety High Limit 1 2 3 4 Switch ELMC +24Vdc +15Vdc 3 4 1 2 Main board SW2 Dip switch setting to do on main board Control signal type setting in humidifier menu 0-10V CTRL SIGNAL TYPE CONTROL...
  • Page 26 ELECTROVAP RTH-HC ® 3.8.2 Remote information board The contact can be changed to NO or NC by wiring according to the following diagrams (e.g. wiring on 30 & 31 = NO contact). Fig. A 3-8. Carte Principale / Main board Ref : 500102 33 34 35 30 31 32...
  • Page 27 ELECTROVAP RTH-HC ® 3.8.4 MODBUS RTU and BACNET MSTP communication parameters Network must be composed exclusively of humidifiers to avoid communication errors. Requests transiting the BUS must not exceed 15 bytes. Modbus RTU Bacnet MSTP 2400 / 4800 / 7200 / 9600 (default) / 14400 / 19200 / 28800 / 38400 / 57600 / Speed of communication 115200 / 230400 Packet size...
  • Page 28 ELECTROVAP RTH-HC ® 01000000 On/Off BMS command 1 = ON : Start requested / 0 = Off: Stop Unit 01400001 EOS drain statue 1 = on / 0 = off 30001 00000000 Type unit 4 : RTH-HC 5 : RTH-LC 6 : ERS-HC 7 : ERS LC 30002 00000001 Reg version...
  • Page 29 ELECTROVAP RTH-HC ® 30030 0000001D Water level status Level detected from 0 to 3 30031 0000001E Power consumed (kw) 30032 0000001F Max power rating (kw) Digital Rh value or digital 40004 00000003 (%) mini = 1 and maxi = 100 demand 40005 00800004...
  • Page 30 ELECTROVAP RTH-HC ® 3.8.6 Wiring diagrams Up[V] - 1x200-240V 50-60Hz...
  • Page 31 ELECTROVAP RTH-HC ® RTH-HC 8-18, Up[V] - 3x200-240V 50-60Hz...
  • Page 32 ELECTROVAP RTH-HC ® RTH-HC 5-30, Up[V] - 3x380-690V 50-60Hz...
  • Page 33 ELECTROVAP RTH-HC ® RTH-HC 40-50, Up[V] - 3x380-690V 50-60Hz...
  • Page 34 ELECTROVAP RTH-HC ® RTH-HC 60-70, Up[V] - 3x380-690V 50-60Hz...
  • Page 35 ELECTROVAP RTH-HC ® RTH-HC 80-100, Up[V] - 3x380-690V 50-60Hz...
  • Page 36 ELECTROVAP RTH-HC ® RTH-HC 8-18, Up[V] - 3x200-240V 50-60Hz...
  • Page 37 ELECTROVAP RTH-HC ® RTH-HC 44, Up[V] - 3x200-240V 50-60Hz...
  • Page 38 ELECTROVAP RTH-HC ® 3.8.7 3.8.8 Heating Elements wiring diagrams Case 3: Up[V] - 3x380-690V 50-60Hz Only for Case 3 Case 1: Up[V] - 1x200-240V 50-60Hz Case 2: Up[V] - 3x200-240V 50-60Hz...
  • Page 39 ELECTROVAP RTH-HC ® Only for Case 3 Case 2: Up[V] - 3x200-240V 50-60Hz...
  • Page 40 ELECTROVAP RTH-HC ® Case 3: Up[V] - 3x380-690V 50-60Hz...
  • Page 41 ELECTROVAP RTH-HC ® 3.8.9 Water level detector wiring 49: Common cable float detector 50: Low level 51: Intermediate level 52: High level Fig. C 3-8. FLOAT LEVEL DETECTOR/ DETECTEUR DE NIVEAU A FLOTTEUR Balancing pressure / 50 : Low Level (Heat) / Equilibrage pression Niveau Bas (Production)

  • Page 42: Option : Transformer Connection

    ELECTROVAP RTH-HC ® OPTION : TRANSFORMER CONNECTION...

  • Page 43: Commissioning

    ELECTROVAP RTH-HC ® 4. COMMISSIONING Before operation, please check that your installation complies with the manufacturer's technical recommendations. Check all power cables electrical connections. Remove the blocking blue foam ring from the tank. Marker 1: Validation & change menu button Marker 2: Upward button Marker 3: Downward button Marker 4: Manual drain button for maintenance...

  • Page 44: System Management

    ELECTROVAP RTH-HC ® 5. SYSTEM MANAGEMENT STATUS MENU (READ ONLY) HUMIDIFIER HUMIDIFIER By pressing enter from this menu SETUP STATUS V : X.XX.XXX RTH-HC : VERSION CODE RTH-HC: XXX 3X400V FILLING TANK If the tank is empty: it displays that the tank filling is in process IN PROCESS AQUASTAT...
  • Page 45 ELECTROVAP RTH-HC ® HIGH LIMIT Means that the high limit switch is opened SWITCH IS OPEN RH SENSOR With RH sensor only: it means that the RH sensor is not ERROR connected STEAM DEMAND Steam Demand % XXX % TANK TEMPERATURE T : L XXX °C XXX °F Water temperature (1 Tank or 2 Tanks)

  • Page 46: Setup Menu

    . 4 - 20mA CONTROL, 0 - 5V CONTROL, 0 - 10V CONTROL, 2 - XXXX XXX 10V CONTROL . . DEVATEC SENSOR, 0 - 5V SENSOR, 0 - 10V SENSOR. . DIGITAL SENSOR, DIGITAL CTRL. SET POINT Display when a RH sensor is used...

  • Page 47: Control System Menu

    ELECTROVAP RTH-HC ® CONTROL SYSTEM MENU HUMIDIFIER By pressing enter from CONTROL this menu CONFIGURATION SYSTEM K: Contactor 0: off / 1: on FV: Fill Valve 0: closed / 1: opened DV: Drain Valve 0: closed / 1: opened LV: Levels 0: Low level, filling 1: filling + production 2: pulse filling...
  • Page 48 ELECTROVAP RTH-HC ® A6: Alarm status A6 0: no fault/ 1: fault LV: Levels 0, 1, 2, et 3 A6 LV DV TIMER FV: Fill Valve 0: closed/ 1: opened TIMER: Timeout Alarm A6 A7: Alarm status A7 0: no fault/ 1: fault A7 LV D% TIMER LV: Levels 0, 1, 2, et 3...

  • Page 49: Change Settings Menu

    ELECTROVAP RTH-HC ® CHANGE SETTINGS MENU Procedure to enter the access code: • Press the "1" key: the first cross flashes. • Press the "2" key to increase the digit or the "3" key to decrease it. • Once you have reached the desired digit of the code, press the "1" key to validate it: the 2nd cross flashes.
  • Page 50 ELECTROVAP RTH-HC ® HUMIDIFIER By pressing enter from HUMIDIFIER STATUS this menu CONFIGURATION LANGUAGE / etc. VALUE: FRENCH/ENGLISH Xxxxxxx CHANGE UNIT TYPE: RTH model (see range) RTH XX Selection of power heating: 2x200/2x220/2x230/3x200/ CHANGE VOLTAGE: 3x208/3x220/3x230/3x380/3x400 xxxxx V /3x415/3x440/3x460/3x480/3x575/3x600/3x690 TOTAL GROUP In case of Master / Slave control only: adjusts the total production of the RTH group PROD.: XXKG...
  • Page 51 ELECTROVAP RTH-HC ® SELF CHECKING Startup of self-checking system (“YES” or “NO”) CALIBRATION CTRL Calibration of control signal (-10% at +10%) SIGNAL: XX % CALIBRATION T° Calibration of the tank temperature sensor (-5% at +5%). For the RTH 2 tanks: right temperature. RIGHT: XX % CALIBRATION T°...

  • Page 52: Maintenance Alerts

    ELECTROVAP RTH-HC ® MAINTENANCE ALERTS This message is displayed 50 hours after the first start-up. It M1: CHECKING 50hr is then necessary to check the tightness of the electrical and hydraulic connections (steam pipe, drain circuit, water supply, etc.). The device is not stopped. M2: MAINTENANCE The maintenance timer has arrived at 0, it is necessary to maintain the device.

  • Page 53: Default Message

    ELECTROVAP RTH-HC ® DEFAULT MESSAGE Meaning: The temperature inside the tank is too high: 110 °C. The heating elements are no longer completely immersed. A1: TANK TEMP. OVER-HEAT In this case: When this message appears, the tank is drained, the general fault contact is activated, and the unit is then stopped.
  • Page 54 ELECTROVAP RTH-HC ® Meaning: A2: DEFECTIVE The filling of the tank is not carried out correctly. The water level does TANK FILLING not reach the low water detection level. (Maximum duration of filling before alarm: 20 min). A3: FILLING Meaning: PRODUCTION AREA No filling between low level and intermediate level.
  • Page 55 ELECTROVAP RTH-HC ® Meaning: The temperature sensor is either defective or disconnected. A4: TEMP. SENSOR DISCONNECTED In this case: When this message appears, the tank is drained, the general fault contact is activated, and the unit is then stopped. Possible causes and resolutions: 1.
  • Page 56 ELECTROVAP RTH-HC ® Meaning: This means that the high level is continuously activated (time before detection: 14 minutes). A6: HIGH LEVEL BLOCKED In this case: When this message appears, the tank is drained, the general fault contact is activated and the unit is then stopped. Possible causes and resolutions: 1.
  • Page 57 ELECTROVAP RTH-HC ® Meaning: Water drainage problem. A9: COMPLETE DRAIN TOO LONG In this case: When this message appears, the tank is drained, the general fault contact is activated, and the unit is then stopped. Possible causes and resolutions: 1. The drain circuit is clogged. Press the "MANUAL DRAINING" button, and check for proper water flow. Perform the following maintenance: tank (pg.

  • Page 58: Maintenance

    ELECTROVAP RTH-HC ® 6. MAINTENANCE STAINLESS STEEL TANK Fig. 6-1. Humidifier Stainless steel tank Drain the water by pressing the drain button (1). Wait for «DO MAINTENANCE » display. Cut the power supply to the power circuits (in the general electrical cabinet) and control circuits located on the side of the unit (2).

  • Page 59: Drain Valve

    ELECTROVAP RTH-HC ® DRAIN VALVE The drain valve should be maintained whenever the steam tank is maintained or changed. • Once your tank is out of the humidifier, disconnect the drain valve supply cables (Item 3). • Unscrew the clamp (Item 1). •...

  • Page 60: Water Inlet Valve

    ELECTROVAP RTH-HC ® WATER INLET VALVE Maintenance of the water inlet valve is to be done after the first 50 hours of operation. Thereafter, twice a year (minimum). • Switch the appliance off. • Switch off the water supply to the humidifier and unscrew the water supply hose.

  • Page 61: Spare Parts

    ELECTROVAP RTH-HC ® 7. SPARE PARTS STAINLESS TANK No Code Description D111781-SP Heating element nut M5 D110830-SP Heating Element support D110829-SP Tank seal D110754-SP High-temperature switch D94057 Cable gland D94058 Temperature sensor D110765-230-SP Electrical Resistors 230V 1900W D110765-277-SP Electrical Resistors 277V 1900W D110765-346-SP Electrical Resistors 346V 1900W D110765-398-SP...

  • Page 62: Water Inlet Valve

    ELECTROVAP RTH-HC ® WATER INLET VALVE N° Code Description D110771-SP Water inlet valve D116645-24 Coil 24V D116645-24-UL UL coil 24V D111775-SP Valve bracket Fig. 7-2. Water inlet valve exploded view WATER LEVEL DETECTOR N° Code Description 1 - 4 D110232-DI-SP Complete float water level detector &...

  • Page 63: Electrical Part

    ELECTROVAP RTH-HC ® ELECTRICAL PART N° Code Description D110124-SP Display board D121388-5-SP Main board RTH-HC (0TI) D50931-SP Remote information board D109737-SP Power terminal 35mm² (L1, L2, L3) D110168-SP Control terminal 16mm² (L, N) D107491-SP Terminal 2,5mm² (1, 2, 3, 4) D110163-SP Ground terminal 35mm².
  • Page 64 Email : export@devatec.com France Tel. +33 (0)2 35 04 61 41 → Email : france@devatec.com Devatec continues to develop its products. For this reason, product features and specifications may change without notice. RTH-HC – 03/21 Edition - V 3.0.X program version...

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