THERMO 2000 VENTUM Installation And Operation Manual Download | Manualshive

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VENTUM

HYDRONIC HYDRONIC

AIR-HANDLER

INSTALLATION AND OPERATION MANUAL

Your VenTum hydronic hydronic air-handler has been carefully assembled and factory-tested to
provide years of trouble-free service. The following information and safety measures are provided
to ensure proper installation, operation, and maintenance of this product.

It is imperative that all persons who are expected to install, operate or make adjustments to this
unit read these instructions carefully.

Any questions regarding this hydronic air-handler

’s operation, maintenance, servicing or warranty

should be directed to the supplier.

When all the installation steps have been completed, keep this installation manual in a safe place
(near the unit) for future reference.

THERMO 2000 Inc.

Revised: June 2021

Printed in Canada

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Summary of Contents for VENTUM

Page 1: ...peration and maintenance of this product It is imperative that all persons who are expected to install operate or make adjustments to this unit read these instructions carefully Any questions regarding this hydronic air handler s operation maintenance servicing or warranty should be directed to the supplier When all the installation steps have been completed keep this installation manual in a safe...

Page 2: ... 12 Hydronic air handler power supply 12 Thermostat connection 14 24VAC accessories connection 16 OPERATION 17 DIGITAL CONTROLLER 17 SETTING THE PARAMETERS 17 SEQUENCES OF OPERATION 23 Heating request 23 Air conditioning request 23 Continuous ventilation request 23 Dehumidification request 23 Zone mode 23 Stagnant water circulation 23 Air conditioning coil freeze protection 23 Building freeze prot...

Page 3: ... 22 Table 11 Hydronic air handler components 30 TABLE OF FIGURES Figure 1 VenTum 40 dimensions 5 Figure 2 VenTum 60 dimensions 5 Figure 3 integrated pump performances 6 Figure 4 Possible hydronic air handler configurations 9 Figure 5 Possible hydronic air handler orientations 9 Figure 6 Typical installation of a hydronic air handler unit with boiler and radiant heating 11 Figure 7 Typical installa...

Page 4: ...60Hz 1PH Pump Motor 3 speed 1 25 HP Fluid max temperature 200 F 93 C Max operating pressure 145 psi 1000 kPa Amperage loaded Locked 0 75A 4 44A Motor power supply 120V 60Hz 1PH Radiator Construction Copper tubes galvanized steel support aluminum fins Dimensions effectives PxLxE 15 in x 18 in x 3 5 in 15 in x 22 in x 3 5 in Fins 14 fins inch Copper tube 3 8 in x 0 014 in copper Pressure loss 5 gpm ...

Page 5: ...VENTUM HYDRONIC AIR HANDLER Installation and Operation Manual Revised June 2021 5 Figure 1 VenTum 40 dimensions Figure 2 VenTum 60 dimensions Filter 16 x 20 x 1 Filter 20 x 20 x 1 ...

Page 6: ...00 72000 79100 86200 93300 100400 Air conditioning Tons 2 2 3 3 3 2 2 3 3 3 The performances are established based on an air temperature of 70 F 21 C Table 3 VenTum 60 hydronic air handler heat exchange performance Water Flow 3 GPM 5 GPM Water supply temperature PCM PCM 1200 1400 1600 1800 2000 1200 1400 1600 1800 2000 Heating exchange capacity BTU H 100 F 18800 19700 21700 23900 26000 23000 24200...

Page 7: ...nstructions and in compliance with local codes or in the absence of local codes with the National Building Code and the National Electric Code current editions In any case in which this manual s instructions differ from local or national codes the local or national codes take precedence CORROSIVE ENVIRONMENT The hydronic air handler must not be installed near an air duct supplying a corrosive atmo...

Page 8: ... maximum cooling capacity for the VenTum 40 model is 3 tons and 5 tons for the VenTum 60 model It is the installer s responsibility to ensure that the safety devices required by local standards are in place a safety valve on the hot water supply system for example LOCATION The VenTum must be installed in a clean and dry location Long hot water lines must be insulated to ensure low energy losses Th...

Page 9: ...e drained in the event of work being done on the unit It is essential to have a way to purge the air from the system and to be able to drain water from it when necessary A check valve is included in the pump connection leading to the radiator The maximum water flow through the coil should not exceed 10 GPM In a standard installation the flow rate obtained by the pump included in the unit should be...

Page 10: ...rally recommended not to exceed an air speed of 3 m s 600 ft min in the ventilation ducts to reduce the risk of noise The total external static pressure must not exceed 0 75 in water column Air conditioning coil An air conditioning coil can be paired with the VenTum unit Compatibility is possible with a heat pump or air conditioner type outdoor unit only The air conditioning coil not supplied by T...

Page 11: ...eakdown caused by the incorrect placement of the air outlet temperature sensor will void the warranty Figure 6 Typical installation of a hydronic air handler unit with boiler and radiant heating Figure 7 Typical installation of a hydronic air handler unit with instantaneous water heater 1 2 3 4 13 15 19 18 17 8 12 10 6 7 5 11 9 20 21 14 1 4 14 16 8 22 22 ...

Page 12: ...lled at the fresh air inlet Do not install the filter at the hot air outlet If an air conditioning coil is installed in the fresh air return of the fan coil the filter must be installed before it It is recommended to clean the filter every month and replace it every 3 months of use of the unit or according to the recommendations of the filter manufacturer A filter that is too dirty can cause the a...

Page 13: ...upply of the thermostat or 24 VAC accessories O B Heat pump 3 way valve supply signal 24 VAC HUM Dehumidification request signal 24 VAC Y out Air conditioning request signal to the outdoor air conditioning unit W out Heating demand signal to the outdoor unit or boiler Aux Authorization to start the auxiliary boiler dry contact Aux Authorization to start the auxiliary boiler dry contact Not Zone 1 ...

Page 14: ...at connection Figure 9 represents basic thermostat connections according to different systems These connections may vary depending on the systems and configuration selected Single stage heating system Domestic hot water system Single stage heating system with an outdoor air conditioning unit ...

Page 15: ...ANDLER Installation and Operation Manual Revised June 2021 15 Figure 9 Connection diagrams according to the type of system 2 stage heat pump system with back up boiler System with heat pump boiler and 2 zones 2 thermostats ...

Page 16: ...r example a motorized valve a motorized damper etc All accessories should not exceed a total of 20VA Figure 10 shows an example in which a motorized valve is supplied via the hydronic air handler to allow zoning to be made For example in this scenario the motorized valve would be activated when W2 receives 24 VAC Figure 10 Example of connection with heat pump auxiliary boiler and motorized valve V...

Page 17: ... Adjusting the unit s various settings can be done directly via the controller interface There are no adjustments to be made inside the cabinet The parameter menus are shown in tables 8 and 9 The intuitive navigation is done by pressing the power up arrow down arrow and set buttons To adjust a desired parameter simply press set and use the arrows to adjust to the right value Press set again once t...

Page 18: ...VENTUM HYDRONIC AIR HANDLER Installation and Operation Manual Revised June 2021 18 ...

Page 19: ...VENTUM HYDRONIC AIR HANDLER Installation and Operation Manual Revised June 2021 19 ...

Page 20: ...VENTUM HYDRONIC AIR HANDLER Installation and Operation Manual Revised June 2021 20 ...

Page 21: ...ow in cooling mode stage 2 in cubic feet per minute CFM Air flow in ventilation mode in cubic feet per minute CFM Percentage of air flow in cooling mode during a dehumidification request Zone mode activation deactivation Selection of the O or B contact from the thermostat Off if none Activation deactivation of boost mode Error code in the event of an alarm See Troubleshooting Alarm buzzer activati...

Page 22: ...low in cooling mode stage 2 in cubic feet per minute CFM Air flow in ventilation mode in cubic feet per minute CFM Percentage of air flow in cooling mode during a dehumidification request Zone mode activation deactivation Selection of the O or B contact from the thermostat Off if none Activation deactivation of boost mode Error code in the event of an alarm See Troubleshooting Alarm buzzer activat...

Page 23: ...ilation the R G circuit is closed and the fan starts according to the continuous air flow selected in the controller When the demand stops the R G circuit is opened and the fan stops working Dehumidification request If a humidistat is connected to the HUM and R terminals of the hydronic air handler and the humidistat trips above a set humidity threshold the R Y R G R O B circuits as well as R HUM ...

Page 24: ...in order to activate the boiler connected to the unit This protection does not guarantee the protection of the building in the event of a faulty thermostat Domestic hot water priority If a demand for heating occurs at the same time as a demand for domestic hot water The demand for domestic hot water will take priority To do so the parameter should be adjusted between 105 F and 140 F Thus if the te...

Page 25: ... air Check for water leaks Check that there are no obstructions in the ventilation duct system Make sure the filter is in place Adjust the thermostat so as to generate a demand for heating or air conditioning o If a heating demand is active the circulating pump should start working the symbol is active on the display If the water temperature at the coil outlet exceeds the target heating temperatur...

Page 26: ...ating materials There s a water leak from the boiler or the distribution system Inspect clean and change the filter regularly to ensure that the fan motor is operating correctly Follow the manufacturer s recommendations to change the filter Annually It is recommended that you visually inspect the electrical compartments of the hydronic air handler unit for potential signs of leaks and overheating ...

Page 27: ... There is no water flow Check if the pump is running Make sure that the water network is properly purged of air Make sure the water system is full of water Check if a lime deposit plug has been created in the network Check if the 120VAC power supply goes to the pump when the pump signal is activated on the controller Change the pump if it is defective There is a strong demand for domestic hot wate...

Page 28: ... progress Check that the thermostat is functional Check if a heat source in the mechanical room emits an excessive amount of heat 8 Freezing protection mode in progress The ambient air is too cold and there is no demand for heating Check that the thermostat is functional Check the ambient temperature of the mechanical room poor insulation door open in winter etc NA Noisy pump There is air in the s...

Page 29: ...motorized valve that can be activated when a heating request occurs in order to avoid circulation in air conditioning mode NA The home s tap water is cold A significant demand for heating is underway at the same time as the demand for domestic hot water Modify the water temperature setpoint NA Hot air is distributed to the rooms when no heating request is in progress Hot water is circulating in th...

Page 30: ...1 Hydronic air handler components Model Description VenTum 40 VenTum 60 Part Part no 1 Digital controller ZEL100 CPRO3 2 Relay card ZEL100 MRB824V 3 120V 24V 40VA transformer ZEL400 12040VA 4 Motor fan assembly ZMC700 10X10EO ZMC700 9X6EON 5 Radiator RAD40 RAD60 6 Pump ZMC200 UPS15RU NA Temperature sensor ZEL100 SENSUNI 6 3 2 1 4 5 ...

Page 31: ...difications F Defects or malfunction resulting from storing or handling done elsewhere than Thermo 2000 s manufacturing plant G Units on which the serial number has been removed or destroyed Limitations Thermo 2000 Inc shall not be responsible for any damage loss and inconvenience of any nature whatsoever directly or indirectly relating to the breakdown or malfunction of the unit This warranty lim...

Page 32: ...COOLING COIL COMPATIBILITY LISTING ...

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