Condair RS Series Installation Manual
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Condair RS Series Installation Manual

Steam humidifier
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INSTALLATION MANUAL
Steam humidifier
Condair RS II
Humidification, Dehumidification
and Evaporative Cooling

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  • Page 1 Read and save these instructions. This manual to be left with the equipment. INSTALLATION MANUAL Steam humidifier Condair RS II Humidification, Dehumidification and Evaporative Cooling...
  • Page 2 Condair Ltd., except to the extent required for installation or maintenance of recipient's equipment. Liability Notice Condair Ltd. does not accept any liability due to incorrect installation or operation of the equipment or due to the use of parts/components/equipment that are not authorized by Condair Ltd.

  • Page 3: Table Of Contents

    Contents Introduction Before You Begin Notes on the Installation Manual For Your Safety Product Overview Models Overview 3.1.1 Units Small ("S") and Medium ("M") 3.1.2 Units Large ("L") Identification of the Unit Product Designation Options Accessories Receiving and Storage Inspection Storage and Transportation Mounting and Installation Work Safety Notes on Mounting and Installation Work...
  • Page 4 Electrical Installation 5.8.1 Notes on Electrical Installation 5.8.2 Wiring Diagram Condair RS - Small and Medium Units 5.8.3 Wiring Diagram Condair RS - Large Units 5.8.4 Principle Wiring Diagram Device Interconnected Systems 5.8.5 Installation Work External Connections 5.8.6 Connecting multiple units (device interconnected system) 5.8.7...

  • Page 5: Introduction

    Further information on options and accessories can be obtained in their respective instructions. This installation manual is restricted to the installation of the Condair RS steam humidifier and is meant for well trained personnel being sufficiently qualified for their respective work.
  • Page 6 Please safeguard this installation manual in a safe place, where it can be immediately accessed. If the equipment changes hands, the documentation must be passed on to the new operator. If the documentation gets misplaced, please contact your Condair representative for replacement. Introduction...

  • Page 7: For Your Safety

    For Your Safety General Every person, who is in charge of the installation work on the Condair RS must have read and understood this installation manual and the Condair RS operation manual before carrying out any work. Knowing and understanding the contents of the installation manual and the operation manual is a basic requirement for protecting personnel against any kind of danger, to prevent faulty operation, and to operate the unit safely and correctly.
  • Page 8 Preventing unsafe operation All persons working with the Condair RS are obliged to report any alterations to the unit, modifications, or unsafe issues that may affect safety to the owner without delay and to secure the Condair RS against accidental power-up.

  • Page 9: Product Overview

    Product Overview Models Overview Condair RS steam humidifiers are available in different housing sizes (S, M and L) with different heating voltages and steam capacities ranging from 10 lbs/hr up to a maximum of 180 lbs/hr (5 ... 80 kg/h).

  • Page 10: Units Large ("L")

    240 V/1~ 480 V/1~ 600 V/1~ 208 V/3~ 240 V/3~ 480 V/3~ 600 V/3~ Housing Condair size lbs/hr (kg/h) lbs/hr (kg/h) lbs/hr (kg/h) lbs/hr (kg/h) lbs/hr (kg/h) lbs/hr (kg/h) lbs/hr (kg/h) lbs/hr (kg/h) ...90... –– –– –– –– 95.4 (43.3) 94.6 (42.9) ––...

  • Page 11: Identification Of The Unit

    Identification of the Unit The identification of the unit is found on the specification label. Type designation Serial number MODEL: Condair RS 20 S/N: XXXXXXX VOLTS: PHASE Electrical supply requirements (Volts / Phase / Hz) EL POWER: 7.2kW / 34.7A KEY: RS II 20 SPACE STEAM CAP: 21.2 lbs/hr...

  • Page 12: Product Designation

    The product designation and the most important unit data are found on the specification label fixed on the right side of the Condair RS. Notes regarding the specification label can be found in the Condair RS operation manual. Key model designation...

  • Page 13: Options

    BACnet IP BTL 1x BAC-BTL-IP PCB to provide BTL certified BACnet IP. LonWorks board 1x LON Supplementary board to connect the Condair RS to a building management system via LonWorks. IoT board 1xIoT Supplementary board to connect the Condair RS to a IoT system.

  • Page 14: Accessories

    Single units "S" Single units "M" Large units "L" Pure water system Condair RO-E For the correct size of the Condair RO-E pure water system, Pure water system for operating the Condair RS with please contact the Condair representative RO water.

  • Page 15: Receiving And Storage

    Check packing slip to ensure all parts have been delivered. All material shortages are to be reported to your Condair supplier within 48 hours after receipt of the goods. Condair Ltd. assumes no responsibility for any material shortages beyond this period.

  • Page 16: Mounting And Installation Work

    DANGER! Danger of electric shock! The Condair RS is mains powered. Live parts may be exposed when the unit is open. Touching live parts may cause severe injury or danger to life. Prevention: The Condair RS must be connected to the mains only after all mounting and installation work has been completed, all installations have been checked for correct workmanship and the unit is closed and properly locked.

  • Page 17: Installation Overviews

    Installation Overviews Typical installation for duct humidification Humidity sensor or humidity controller u c t i b s t r ( 3 m o w n n y o Return duct 4 f t n k n t o a .
  • Page 18 Union 1/2" NPT / 1/2" NPT 30 ... 80 psi (2.0...5.5 bar) (supplied by others) 33.8 ... 77.0 °F (1...25 °C) Condair RO-E pure water system (Accessory) Fig. 6: Water supply connections for units installed with RS-RO option Mounting and Installation Work...

  • Page 19: Mounting The Unit

    Mounting the Unit 5.3.1 Notes on Locating the Unit . 1 " m i n . 2 5 m i n . 1 " m i n . 2 5 m i n Fig. 7: Minimal distances to be observed Small ("S") Medium ("M") Large ("L")
  • Page 20 The steam humidifier Condair RS must only be installed in rooms with a floor drain. CAUTION! If for some reason the Condair RS must be installed in a location without floor drain, it is manda- tory to provide a leakage monitoring device to safely interrupt the water supply in case of leakage.

  • Page 21: Mounting The Humidifier

    Mark the mounting hole locations "A" and "B" on 2×4 wooden studs (or equivalent) in the mounting surface, as shown, and mount the Condair RS unit using 1/4 × 2 inch lag bolts and washers. Overview standard mounting single units Small and Medium...
  • Page 22 Overview standard mounting single units Large Dimension Housing size Large "a" in inch/mm 6.5" (164.0) "b" in inch/mm 16.8" (426.0) "c" in inch/mm 4.6" (117.2) "d" in inch/mm 16.0" (406.4) Weights Housing size Large Net weight in lbs/kg 179 (81.0) Operating weight in lbs/kg 291 (132.0) Fig.
  • Page 23 Mounting procedure standard mounting 1. Mark the attachment points "A" and "B" at the desired position in the mounting surface with the help of a level. 2. Install 1/4 × 2 in lag bolts and washers at attachment points "A". Allow the heads of the bolts to extend 1/4 in (5 mm) from the mounting surface so that the humidifier can be hung on the bolts.

  • Page 24: Wall Support Mounting (Option)

    Mark the mounting hole locations "A" on 2×4 wooden studs (or equivalent) in the mounting surface, as shown, and mount the wall support for the Condair RS unit using 1/4 × 2 in lag bolts and washers. Overview wall support mounting single units Small and Medium...
  • Page 25 Overview wall support mounting single units Large Dimension Housing size Large "a" in mm 10.4" (263.5) "b" in mm 16.0" (406.4) "c" in mm 4.6" (117.2) Weights Housing size Large Net weight in lbs/kg 179 (81.0) Operating weight in lbs/kg 291 (132.0) Fig.

  • Page 26: Inspecting The Installed Unit

    Procedure 1. Mark the attachment points "A" for the wall support at the desired position with the help of a level. 2. Attach the wall support to 2×4 wooden studs (or equivalent) in the mounting surface with 1/4 × 2 in lag bolts and washers.

  • Page 27: Steam Installation

    Steam Installation 5.4.1 Overview Steam Installation for Duct Humidification u c t i b s t r ( 3 m n y o 4 f t n o w . 9 . 8 u n k t o a N i s m i n ) i f B a n c...

  • Page 28: Overview Steam Installation For Room Humidification

    5.4.3 Overview Steam Installation for Room Humidification Blower Pack (mounted separated from the steam humidifier) Steam line – As short as possible – Adequate upslope (min. 10°)/downslope (2.0°) – No restrictions Condsensate line – Condensate trap at the lowest point – Min. downslope 1.2° – Hose or fixed pipe (with same inner diameter as steam outlet) –...

  • Page 29: Positioning And Mounting The Blower Packs

    5.4.4 Positioning and Mounting the Blower Packs The blower packs can either be mounted directly on the humidifier or separately above the humidifier to the wall. To allow the steam coming from the blower pack to spread out evenly, without condensing on obstacles (ceilings, joists, pillars, etc.), the following minimum dimensions must be observed when selecting the location for the blower pack.

  • Page 30: Installing The Steam And Condensate Lines

    Installations notes – Use original steam and condensate hose from your Condair representative or solid steam pipes from copper (MED-L) or stainless steel (min. AISI 304) exclusively. Steam and condensate lines of other material may cause undesired operational malfunctions. For installations with reverse osmosis or de-ionized water supply, do not use copper steam lines.
  • Page 31 When tight control is required, ensure steam line run is as short as possible. *** Steam line per boiling tank. Do not combine steam lines except at distributor using a Condair adapter designed for that purpose and only if humidifiers operate in parallel.
  • Page 32 Installation examples Ømin. 8" (Ømin. 200 mm) Fig. 14: Steam distributor mounted more than 20" (500 mm) above the top edge of the humidifier Mounting and Installation Work 2611992-0 EN 2408...
  • Page 33 Ømin. 8" (Ømin. 200 mm) Ensure adequate cooling according to local codes Obstacle Ømin. 8" (Ømin. 200 mm) Ømin. 8" (Ømin. 200 mm) Ensure adequate cooling according to local codes Install condensate drain (full size T) at the lowest point. Ensure proper slope is maintained for the steam lines upstream and downstream of the T.
  • Page 34 Steam line must be insulated over the entire length! Ømin. 8" (Ømin. 200 mm) Fig. 16: Steam line with solid piping and insulation Mounting and Installation Work 2611992-0 EN 2408...

  • Page 35: Common Steam And Condensate Line Errors

    5.4.6 Common Steam and Condensate Line Errors Wrong Correct Steam line not led at least 12" (300 mm) perpendicularly Lead steam line at least 12" (300 mm) perpendicularly up- upwards before first bend (forming of condensate). wards before first bend. Minimum bend radius of steam hose/solid steam line not The minimum bend radius of 12"...

  • Page 36: Inspecting The Steam Installation

    Are the outlet orifices at right angles to the air flow for horizontal installation, or at 45 degree angle for vertical installation? – Steam hose Steam hose material: copper (potable water only), stainless steel or Condair plastic hose? Maximum length, as per table shown in Section 5.4.5? Minimum bend radius of 12"...

  • Page 37: Water Installation

    Water Installation 5.6.1 Overviews Water Installation Note: with RS-RO Option installed see Section 5.6.2. Adapter G 3/4" / 1/2" NPT (supplied with O-ring or gasket) G 3/4" 1/2" NPT 1/2" pipe with 1/2" NPT female connection Union 1/2" NPT / 1/2" NPT Water drain connector ø1.18"...

  • Page 38: Overviews Water Installation (With Rs-Ro Option Installed)

    – must not touch funnel Open funnel with trap (supplied by others) Condair RO-E pure water system (Accessory) Fig. 19: Overview water installation for single units Small and Medium (with RS-RO option installed) Mounting and Installation Work 2611992-0 EN 2408...
  • Page 39 – lead each drain line in a separate funnel – must not touch funnel Open funnel with trap (supplied by others) Condair RO-E pure water system (Accessory) Fig. 20: Overview water installation for single units Large (with RS-RO option installed) 2611992-0 EN 2408...

  • Page 40: Notes On Water Installation

    – Notes on water quality: – For the water supply of the Condair RS, use exclusively potable drinking water in accordance with the applicable local regulations or water from a RO system or de-ionized water system. – The use of additives such as corrosion inhibitors, disinfectants, etc. is not allowed, since these additives may endanger health and affect proper operation.

  • Page 41: 5.6.3.2 Additional Requirements For Rs-Ro Option Water Supply

    20. Use only installation material that is approved for RO or DI water to connect the RO-E pure water system to the Condair RS. All water supply requirements outlined in Section 5.6.3.1 must also be adhered to with the RO or DI water supply.

  • Page 42: 5.6.3.3 Water Drain

    – The draining temperature is 140 °F (60°C) or less. Use temperature-resistant installation materials only! – When operating the Condair RS with RO water use only installation material that is approved for RO water. – Make sure that the drain pipes, the funnel(s) and the siphon(s) are correctly fixed and easily acces- sible for inspections and cleaning purposes.
  • Page 43 Has the heat resistance of the material used been verified to be at least 212 °F/100 °C (140 °F/60 °C for systems with optional drain water cooling)? If the Condair RS is operated with RO or DI water: Has installation material been used approved for the treated water? Is/are the drain hose(s) properly secured (hose clamps at unit connection tightened)? Is there an air gap (min.

  • Page 44: Notes On Humidity Control Systems/Humidity Control

    Notes on Humidity Control Systems/Humidity Control 5.7.1 Control Device Locations The following schematic describes a potential system setup with respect to control devices. Fig. 21: System Setup Schematic Humidistat Humidity sensor High limit humidistat Air proving switch Notes: • Locate the air proving switch in the same duct as the humidifier’s distributor so that it can sense air flow (or lack thereof).

  • Page 45: Electrical Installation

    DANGER! Danger of electric shock The Condair RS is mains powered. Live parts may be exposed when the unit is open. Touching live parts may cause severe injury or danger to life. Prevention: The Condair RS unit must be connected to the mains only after all mounting and instal- lation work has been completed, all installations have been checked for correct workmanship and the unit is closed and properly locked.

  • Page 46: Wiring Diagram Condair Rs - Small And Medium Units

    SW1 Rotary switch module identification (must be left on position "0") Transformer control voltage supply Module A Transformer blower pack supply XE1 Supply voltage terminal block XE2 Control terminal block Fig. 22: Wiring Diagram Condair RS - Single Units Small and Medium Mounting and Installation Work 2611992-0 EN 2408...

  • Page 47: Wiring Diagram Condair Rs - Large Units

    Dry Contact On/Off Humidity Controller, set jumper JP1 BACnet MS/TP communication via the RS485 interface "X3". Jumper Limiter signal must be connected, if Condair RS is the last unit in the Modbus Ventilation interlock network. JP7 Jumper connected: Terminating resistor CAN bus active...

  • Page 48: Principle Wiring Diagram Device Interconnected Systems

    5.8.4 Principle Wiring Diagram Device Interconnected Systems Control compartment "Main" (e.g. large unit) LEVEL POWER DRAIN DRAIN INLET UNIT BOARD VALVE 2 VALVE 1 VALVE SUPPLY Driver board "Main Module B" L1 L2 Control board "Main" CONTROL LIMIT BLOWER ENABLE 24VDC MODULE B MAINS SUPPLY...
  • Page 49 JP5 Jumper connected: Terminating resistor internal communication driver/control board active (do not remove) JP6 Jumper for activating the terminating resistor for Modbus RTU or BACnet MS/TP communication via the RS485 interface "X3". Jumper must be connected, if Condair RS is the last unit in the Modbus network.

  • Page 50: Installation Work External Connections

    5.8.5 Installation Work External Connections Connecting the external safety loop The potential-free contacts of external moni t or ing de- vices (e.g. ventilation interlock, safety high limit humidis- tat, airflow monitor, etc.) are connected in series (safety loop "K2") to the terminals "1" and "2" of the control terminal block "XE2"...
  • Page 51 Ohmic humidity controller (passive) The signal cable of an ohmic humidity controller (140Ω...10kΩ) is to be connected according to the wiring diagram to the terminals "3" (GND), "4" (IN) and "6" (V+) of the control terminal block "XE2" inside the control compartment.
  • Page 52 Control a warning is indicated. compartment – "Steam" (Terminal 7 and 8): This relay closes as soon as the Condair RS hu- midifies. – "Unit on" (Terminal 9 and 10): Error Service...
  • Page 53 Connecting the voltage supply The voltage supply (L1, L2, L3 and PE or L1, L2 and PE) is to be connected in accordance with the wiring diagram to the corresponding terminals of the main contactor in the control compartment. The earth conduc- L1 L2 tor is to be connected to the earth terminal right beside the phase terminals.

  • Page 54: Connecting Multiple Units (Device Interconnected System)

    • Lead the pre-assembled CAN Bus cable(s) from below via a cable gland into the control com- partment of the Condair RS or the remote control unit (if applicable). • Pinch the freed shielding of the pre-assembled CAN Bus cable comming from the coming from...
  • Page 55 3. Make sure that the jumper "JP7" on the control board of the two devices with the longest physical connection (cable length) is connected. 4. Finally, refer to the Condair RS operation manual to set up the configuration for device interconnected system in the control software.

  • Page 56: Performance Data / Fuses "F3" Voltage Supply

    5.8.7 Performance data / Fuses "F3" Voltage Supply 208 V/1~/50...60 Hz 240 V/1~/50...60 Hz 480 V/1~/50...60 Hz 600 V/1~/50...60 Hz Condair 10.9 10.9 11.4 17.8 (4.9) (4.9) (4.4) (5.2) 15.9 14.5 14.1 14.7 (7.2) (6.6) (6.4) (6.7) 21.2 21.2 18.8 19.6...

  • Page 57: Inspecting The Electrical Installation

    5.8.8 Inspecting the Electrical Installation Check the following points: Does the supply voltage comply with the voltage stated on the specification label? Is the voltage supply correctly fused? Are all components correctly connected according to the wiring diagram? Are all connecting cables fastened? Are the connecting cables free of tension (passed through cable glands?) Does the electric installation meet the applicable local regulations for electric installations? Is the unit reassembled correctly and the front panel fixed with the screw?

  • Page 58: Appendix

    Appendix Unit Dimensions 6.83 (173.5) CONDENSATE OUT 2.82 (71.7) ø 0.31 (8) 2x MARKED “A” STEAM OUT 4.87 (123.8) ø 1.77 (45) 17.83 (453) 16.54 (420) 17.83 (453) 3.16 12.00 (304.8) 1.38 14.57 (370) 1.77 (45) 0.28 (7) (80.2) (35) 2.27 12.00 (304.8) 2.27...
  • Page 59 17.83 (453) 15.96 (405.5) 0.28 (7) 17.83 (453) 16.54 (420) 14.57 (370) 3.16 12.00 (304.8) 1.38 17.76 (451) (80.2) (35) 2.27 12.00 (304.8) 2.27 (57.6) (57.6) 1.22 (31) 2.24 (57) SECONDARY 8.76 (222.5) WATER FILL (RS-RO OPTION) NPT 1/2") WATER FILL NPT 1/2"...
  • Page 60 CONDENSATE OUT 6.59 (167.5) ø 0.31 (8) 2.58 (65.5) 2xMARKED “A” 7.05 (179) 22.17 (563) 20.87 (530) 22.17 (563) 3.48 16.00 (406.5) 1.38 15.98 (406) 0.28 (7) 1.77 (45) (88.5) (35) 15.98 (406) 2.44 2.44 (62) (62) 1.22 (31) 2.89 (73.5) SECONDARY 13.09 (332.5) WATER FILL...
  • Page 61 22.17 (563) 20.87 (530) 22.17 (563) 3.48 16.00 (406.5) 1.38 15.98 (406) 0.28 (7) 22.13 (562) (88.5) (35) 15.98 (406) 2.44 2.44 (62) (62) 1.22 (31) 2.89 (73.5) SECONDARY 13.09 (332.5) WATER FILL (RS-RO OPTION) NPT 1/2") WATER FILL NPT 1/2" 2.01 (51) WATER DRAIN Ø...
  • Page 62 20.65 (524.5) 16.64 (422.7) CONDENSATE OUT 6.59 (167.5) ø 0.31 (8) 2.59 (65.7) 4X MARKED “A” 7.04 (178.8) 21.09 (535.8) STEAM OUT ø 1.77 (45) 40.67 (1033) 40.67 (1033) 39.37 (1000) 1.77 (45) 1.77 (45) 15.98 (406) 0.28 4.61 16.00 (406.5) 16.00 (406.5) 2.83 (117)
  • Page 63 The warranties set forth herein are in lieu of all other warranties expressed or implied by law. No liability whatsoever shall be attached to CONDAIR until said products have been paid for in full and then said liability shall be limited to the original purchase price for the product.
  • Page 64 Buy authentic Condair parts factory direct. Would you recommend Condair? Take our two question survey. U.S.A. 1021 6th Street Racine, WI 53403 CANADA 2740 Fenton Road Ottawa, Ontario K1T 3T7 TEL: 1.866.667.8321 EMAIL: na.info@condair.com WEBSITE: www.condair.com...

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