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Product overview

4.4.2  System 2: Room humidity control with continuous limitation of the supply air 

humidity

Fig. 4:  Schematic diagram of System 2: Room humidity control with continuous limitation of the supply 

air humidity 

Y1

Y2

Y2

Y1

Y2

Y1

A1

B2

B1

A2

HRV

Summary of Contents for RH Series

Page 1: ...Humidification and Evaporative Cooling 2599258 B EN 2103 INSTALLATION AND OPERATION MANUAL Condair HumiLife The proven steam solution Condair RH DS ...

Page 2: ...e reproduced or passed on nor may the contents thereof be used by or passed on to any third party without the written permission of Condair Group AG Any infringements are punishable and entail a liability for damages Liability Condair Group AG is not liable for any damages incurred as a result of poorly executed installation improper operation or the use of components or equipment not approved by ...

Page 3: ...ion unit 22 5 5 2 1 Installing the steam distribution pipe in the humidification tube 22 5 5 2 2 Installation of the humidification tube in the supply air duct 23 5 6 Installation of the steam and condensate hoses 25 5 6 1 General instructions for steam and condensate hose routing 25 5 6 2 Examples of correct routing of the steam and condensate hoses 26 5 6 2 1 Hose routing when steam distribution...

Page 4: ... Troubleshooting 40 8 1 Troubleshooting guide 40 9 Decommissioning Disposal 41 9 1 Taking out of service 41 9 2 Disposal Recycling 41 10 Product specifications 42 10 1 Technical Data 42 10 2 Dimensional drawings 43 ...

Page 5: ...ation please contact your Condair representative They will be glad to assist you 1 2 Notes on the installation and operation manual Scope The subject of this installation and operation manual is the Condair RH DS steam humidification system Options and accessories for the steam humidification system are described only to the extent necessary for proper operation Further information on options and ...

Page 6: ...conjunction with the general hazard symbol indicates safety and hazard information in this manual which if neglected may lead to severe injury or even death of persons Storage Keep this installation and operation manual in a safe place where it can be accessed for further use at all times If the steam humidification system changes hands this installation and operation manual must be transferred to...

Page 7: ...ntended use The Condair RH DS steam humidification system is intended exclusively for duct air humidifica tion a controlled residential heat recovery ventilation system HRV within the specified operating conditions Any other use without the written consent of Condair is considered as not conforming with the intended purpose and may lead to the steam humidification system becoming dangerous Operati...

Page 8: ...ion and operation manual of the Condair RH steam humidifier and then wait until the components have cooled down sufficiently to avoid the risk of burns For this reason Where there is a risk that people can touch the steam and condensate hose insulate them WARNING High humidity can promote the growth of biological organisms and thereby endanger the health of people For this reason To prevent this t...

Page 9: ...hose with gaskets 3 4 3 4 L 1 5 m 7 Steam hose DS22 L 4 m 8 Condensate hose ø8 ø12mm L 4 m 9 Slotted fabric hose ø20 mm L 1 m 10 Hose clamps 3 pcs 11 EcoTherm insulation hose with O rings L 4 m 12 Humidity sensor CDC A1 13 Maximum humidistat CHD S B1 14 Air flow monitor CDA S B2 optional accessory 15 Ceiling bracket RH accessory Fig 1 Scope of delivery Condair RH DS steam humidification system L 4...

Page 10: ... shipping company immediately Check whether the components are suitable for installation on your site according to the unit data stated on the specification label 3 3 Storage and Transportation Storing Until installation store the components of the Condair RH DS steam humidification system in its original packaging in a protected area meeting the following requirements Room temperature 5 40 C Room...

Page 11: ...e ø20 mm slotted fabric hose 10 Condensate hose ø8 12 mm supplied 11 Steam hose DS22 supplied 12 Insulation hose supplied 13 Steam connection ø22 mm steam humidifier 14 Condair RH steam humidifier 15 Water drain connection ø20 mm 16 Water supply connection G 3 4 17 Water supply hose supplied 18 Filter valve accessory Z261 or shut off valve and water filter 125 µm 19 Water drain hose ø20 26 mm supp...

Page 12: ...ery short and takes the often very limited space for residential heat recovery ventilation system into account The condensate that forms in the steam distribution pipe of the steam distribution is discharged through the condensate drain line or flows through the steam hose back into the steam cylinder of the Condair RH steam humidifier 4 3 Accessories The following accessories are available for th...

Page 13: ...ns are generally present in a conventional HRV High proportion of outside air usually 100 Occasional low supply air temperatures 20 C Variable air volume flow Various control systems can be used for controlling humidity Two possible humidity control systems see Section 4 4 1 and Section 4 4 2 that can be implemented with the Condair RH steam humidifiers are considered below Detailed information on...

Page 14: ...erview 4 4 1 System 1 Room humidity control based on extract air humidity Fig 3 Schematic diagram of System 1 Room humidity control based on extract air humidity A1 B2 B1 Y Y Y min 250 mm max 1000 mm min 200 mm KWL ...

Page 15: ...m into the supply air duct The humidity sensor A1 must be installed in the extract air duct For this humidity control system the PI continuous controller integrated in the Condair RH steam humi difier or an external PI continuous controller is required Recommended settings for the maximum humidistat and the humidity sensor Maximum humidistat B1 80 rh Humidity sensor A1 recommended 45 rh min 40 rF ...

Page 16: ...ystem 2 Room humidity control with continuous limitation of the supply air humidity Fig 4 Schematic diagram of System 2 Room humidity control with continuous limitation of the supply air humidity Y1 Y2 Y2 Y1 Y2 Y1 A1 B2 B1 A2 HRV ...

Page 17: ...nd a maximum distance of 1000 mm into the supply air duct The humidity sensor for supply air limitation A2 Signal Y2 must be installed in the supply air duct with a minimum distance of 100 mm from the maximum humidistat B2 The humidity sensor for humidity regulator A1 Signal Y1 must be installed in the extract air duct of the room to be humidified This humidity control system requires either the P...

Page 18: ...d operation manual for the placement and installation of the Condair RH DS steam humidification system must be observed and adhered to All information in the Condair RH installation and operation manual for the placement and installation of the steam humidifier must be observed and adhered to All local regulations for the installation of the water steam and electrical systems must be observed and ...

Page 19: ...s are connected to the build ing s wastewater line The steam humidifier must be installed in the room in such a way that the maximum permissible length of the steam hose of 4 m between the steam distribution unit and the steam humidifier is not exceeded that the minimum hose bending radius of 250 mm is observed and that the steam line has a constant up or downslope between the connection on the st...

Page 20: ...s may occur If the HRV is equipped with automatic temperature controlled anti icing protection for a dry heat exchanger with a preheating register in the outside air line and this is activated there is no risk of condensation The Condair DS steam distribution unit is designed for operation with an air flow of 80 m3 h to 350 m3 h These values must not be undershot or exceeded by the ventilation sys...

Page 21: ...it see Fig 5 This length is composed as follows A straight duct section in the length of dimension B is required for the ø180 mm humidi fication tube including the reductions at the inlet and outlet of the humidification duct A straight duct section of at least 400 mm must be provided both in front of and behind the steam distribution unit Please contact your local Condair representative if space ...

Page 22: ...the humidification tube in the ventilation duct before or after the steam distribution unit is installed 1 Make sure that the gasket is mounted on the mounting plate of the steam distribution pipe 2 Insert the steam distribution pipe into the humidification tube 3 Fasten the steam distribution pipe to the humidification tube with the three sheet metal screws sup plied Important Tighten the screws ...

Page 23: ... DN150 or DN160 accessory Fig 7 Installing the reductions 2 Push the steam distribution unit with the reductions as far as it will go into the supply air duct seg ments with the corresponding nominal diameter Important The arrow on the humidification tube of the steam distribution unit must point in the direction of air flow Supply air duct by customer Humidification tube Supply air duct by custom...

Page 24: ...tomer Humidification tube Install humidification tube with a inclination of 2 to 4 towards the steam connector Steam connector Fig 9 Installing the steam distribution unit into a vertical supply air duct 3 If necessary attach the steam distribution unit to the wall or ceiling using pipe clamps ø180 mm Note The pipe clamps and any other required installation material are not included in the deliver...

Page 25: ...om the steam connection of the steam humidifier to the steam connection of the steam distribution unit with a constant up or downslope of at least 10 If it is not possible to route the steam hose in this way for example to avoid obstacles in the room a condensate drain with a T piece should be provided at the lowest point s The inside diameter of the T piece must not be smaller than the inside dia...

Page 26: ...r DS Ø m i n 2 0 0 m m min 300 mm Rmin 250 mm Rmin 250 mm min 300 mm Condensate hose KS10 Min constant downslope 20 Steam hose DS22 Maximum length 4 m Min constant slope 10 Condensate trap fill with water before commissioning Sealing cap Steam hose O ring Isolation hose Hose clamp Steam hose O ring Isolation hose Hose clamp Slotted fabric hose Condensate hose Slotted fabric hose insulation routedf...

Page 27: ...e insulation routedfromcondensateconnec tor to condensate trap Steam hose O ring O ring Steam hose Insulation hose Hose clamp Hose clamp Insulation hose T piece Condensate hose Slotted fabric hose Condensate trap fill with wa ter before commissioning Condensate hose KS10 Min constant downslope 20 Slotted fabric hose insulation routed from condensate con nector to condensate trap Sealing cap Steam ...

Page 28: ...e must have an inclination of 2 to 4 towards the steam connector Condensate trap fill with water before commissioning Sealing cap Condensate hose KS10 Min constant downslope 20 Steam hose Steam hose O ring O ring Condensate hose Isolation hose Isolation hose Slotted fabric hose Hose clamp Hose clamp Slotted fabric hose insulation routed from condensate connector to condensate trap Fig 12 Hose rout...

Page 29: ...connector Condensate trap fill with water before commissioning Sealing cap Condensate hose KS10 Min constant downslope 20 Steam hose Steam hose O ring O ring Isolation hose Isolation hose Hose clamp Hose clamp Slotted fabric hose insulation routed from condensate connector to condensate trap Condensate hose Slotted fabric hose Fig 13 Hose routing with constant upward or downslope of the steam hose...

Page 30: ...am hose Steam hose O ring O ring Condensate hose Isolation hose Isolation hose Slotted fabric hose Hose clamp Hose clamp Slotted fabric hose insulation routedfromcondensateconnec tor to condensate trap Steam hose O ring O ring Steam hose Insulation hose Hose clamp Hose clamp Insulation hose T piece Condensate hose Slotted fabric hose Condensate trap fill with wa ter before commissioning Condensate...

Page 31: ...control are placed in accordance with the information on the control systems in Section 4 4 1 and Section 4 4 2 5 7 2 Mounting of sensors 5 7 2 1 Permissible installation positions for the sensors The sensors available as accessories may be installed in the following positions in the air duct A 4 5 4 5 Fig 15 Permissible installation positions for the sensors ...

Page 32: ... placement see Fig 16 for hole spacing 2 Secure the sensor holder to the ventilation duct with the sheet metal screws supplied 3 Insert the humidity sensor and the maximum humidistat with the rubber ring and the washer into the sensor holder and fasten with the lock nut Lock nut Washer Rubber washer Sensor bracket Drill ø16 mm Drill ø2 mm 60 mm 60 mm Fig 16 Installation of the humidity sensor and ...

Page 33: ...uts that are screwed onto the threads of the sensor shaft not shown in Fig 17 4 Insert the air flow monitor with the rubber ring and the washer into the sensor holder so that the flow opening is exactly aligned to the air flow The flow opening is aligned to the air flow when the long side of the sensor housing is at a right angle to the direction of air flow see Fig 17 Then secure the airflow moni...

Page 34: ...sate trap or if not is a condensate drain with trap hose bend diameter min 200 mm installed at the lowest point Steam hose correctly attached with hose clamps to the steam humidifier and to the steam dis tribution pipe Thermal expansion during operation and shortening of the steam hose due to ageing taken into account Is the steam hose is insulated over the entire length with the insulation hose s...

Page 35: ... the instructions in the steam humidifier installation and operation manual Visual inspection of steam and condensate hose installation for leakage Visual inspection of the Condair DS steam distribution unit for leakage Visual inspection and if necessary replacement of filters in the supply air duct and if present in the extract duct of the HRV For hygienic operation of the Condair RH DS steam hum...

Page 36: ...encing work on the Condair RH DS steam humidification system the steam humidifier Condair RH must be taken out of service see installation and operation manual of the steam humidifier and the ventilation system switched off see operating instructions for the ven tilation system WARNING Burn hazard During operation the components of the Condair RH DS steam humidification system steam hose steam dis...

Page 37: ...steam humidifier and if necessary wait until the components have cooled down sufficiently so that there is no longer a risk of burns 2 Switch off the ventilation system and secure it against unintentional start up Hose clamp Steam hose Condensate hose Steam distribution pipe Self tapping screws Fig 18 Remove steam distribution pipe 3 Loosen the hose clamp on the steam connection of the steam distr...

Page 38: ...r rinse thoroughly with fresh tap water and dry the humidification tube Clean the entire supply air duct according to the instructions of the ventilation system manufac turer Replace the air filters filters of at least class ISO Coarse 65 G4 recommended ISO ePM1 60 F7 in the ventilation system by client Assembling 1 If the humidification tube was previously removed install the humidification tube ...

Page 39: ...cordless screwdriver 4 Slide the steam and condensate hoses onto the connections on the steam distribution pipe and secure the steam hose with the hose clamp 5 Put the Condair RH steam humidifier into operation see Condair RH steam humidifier installation and operation manual 7 3 Maintenance of the Condair RH steam humidifier For the maintenance maintenance intervals maintenance work of the Condai...

Page 40: ...system see instructions for the ventilation system Steam escapes from the end of the condensate hose Condensate trap not filled with water Fill the condensate trap of the condensate hose with water Steam escapes from the steam connection of the steam distribu tion pipe Hoseclamponsteamconnection of steam distribution pipe not tightened Tighten hose clamp on steam connection of steam distribution p...

Page 41: ...down sufficiently so that there is no longer a risk of burns 3 Have the Condair RH DS steam humidification system and all other system components if neces sary removed by a specialist 9 2 Disposal Recycling Components not used any more must not be disposed of in the domestic waste Dispose of the compo nents of the Condair RH DS steam humidification system according to the material in accordance wi...

Page 42: ... pipe Stainless steel 1 4301 Steam nozzles Stainless steel 1 4301 Connecting nozzle and end piece PPS DIC Z 230 GF 30 black Connection nozzle O ring EPDM Steam distribution pipe gasket EPDM Reduction lip seal Galvanized sheet steel rubber Dimensions weights Dimensions of humidification tube complete with reductions length x diameter diameter of reductions 655 mm 4 mm x ø180 mm ø125 mm 628 mm 4 mm ...

Page 43: ...ions dimensionsinmm Fig 21 Dimensional drawing of Condair DS steam distribution unit with reductions dimensions in mm Reductions ø180 ø125 ø180 ø150 ø180 ø160 Dimension A 655 mm 4 mm 628 mm 4 mm 615 mm 4 mm Reductions ø180 ø125 ø180 ø150 ø180 ø160 Dimension B 580 mm 2 mm 554 mm 2 mm 540 mm 2 mm Fig 22 Dimensional drawing of Condair DS steam distribution unit installed dimensions in mm ...

Page 44: ...Notes ...

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Page 48: ...CH94 0002 00 CONSULTING SALES AND SERVICE Condair Group AG 8808 Pfäffikon SZ Switzerland www condairgroup com ...

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