Exhausto VEX300 Series Operating, And Servicing Instructions
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- Mechanical manuallines (44 pages) ,
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- Assembly and installation manual (44 pages)
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Summary of Contents for Exhausto VEX300 Series
- Page 1 VEX308 EXact2 3004252-2021-05-18 VEX308 EXact2 Operating and servicing instructions Original instructions EXHAUSTO A/S Tel.: +45 65 66 12 34 Odensevej 76 Fax: +45 65 66 11 10 DK-5550 Langeskov exhausto@exhausto.dk www.exhausto.dk...
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Page 2: Table Of Contents
3004252-2021-05-18 1. Operation 1.1. Operation........................ 3 1.2. Operation with associated PIRB, CO2B or RHB sensors........3 1.2.1. Indoor climate levels ..................3 1.3. Operation with CO2B and PIRB................4 1.4. Operation with RHB and PIRB................5 1.5. Operation via timer operation, manual or external timer........6 1.5.1. -
Page 3: Operation
Operation 3004252-2021-05-18 1. Operation 1.1 Operation Operating methods There are several ways of operating VEX308: ● Operation with CO (CO2B) and motion sensors (PIRB) ● Operation with humidity (RHB) and motion sensors (PIRB) ● Operation without associated PIRB, CO or RH sensors ●... -
Page 4: Operation With Co2B And Pirb
Operation 3004252-2021-05-18 1.3 Operation with CO2B and PIRB If the CO level VEX is operated according Remarks: to indoor climate level in the room is ... Comfort Economy PIRB is activated (persons in PIRB timer function under 800 ppm room) controls the operation over 800ppm PIRB is activated, the CO... -
Page 5: Operation With Rhb And Pirb
Operation 3004252-2021-05-18 1.4 Operation with RHB and PIRB If the humidity VEX is operated according Remarks: level in the to indoor climate level room is ... Comfort Economy PIRB is activated (persons in PIRB timer function under 60% room) controls the operation over 60% PIRB is activated, the RH sen- The RH sensor con-... -
Page 6: Operation Via Timer Operation, Manual Or External Timer
Operation 3004252-2021-05-18 1.5 Operation via timer operation, manual or external timer Factory setting The following operating settings are installed at the factory when the VEX is sup- plied without PIRB, CO2 and humidity sensors ● Manual operation (a switch to week plan is possible, see EXact basic instruc- tions) ●... -
Page 7: Alarms And Troubleshooting
Operation 3004252-2021-05-18 1.6 Alarms and troubleshooting Troubleshooting chart Error states Check Remedy The unit is not in operation - power supply and Lack of power supply or fuse. fuses. ● Lack of power supply. ● Blown fuse. ● HPFI relay tripped. The unit is not in operation - PIR sensor. -
Page 8: Maintenance And Servicing
Maintenance and servicing 3004252-2021-05-18 2. Maintenance and servicing 2.1 Maintenance The VEX door must be opened to allow servicing and cleaning. Disconnect the power by removing the plug from the socket before opening the door. The fan motors will run on for up to 5 minutes. NB Do not use aggressive cleaners or abrasive/sharp objects for cleaning. -
Page 9: Maintenance Intervals
Maintenance and servicing 3004252-2021-05-18 2.1.2 Maintenance intervals The following chart details the recommended maintenance intervals, The intervals are a guide and based on normal operation. EXHAUSTO recommends maintenance is adjusted to suit the actual operating requirements. Component Procedure twice a... -
Page 10: Replacement Of Filters
Maintenance and servicing 3004252-2021-05-18 2.2 Replacement of filters Menu 3.1.4 + Menu 8.1 - Filter (monitoring with hour counter) General Filter changes are monitored by an operating hours counter and indicated in whole days. 3.1.4 Filter Operating days: Warning > Alarm >... - Page 11 Maintenance and servicing 3004252-2021-05-18 Handling tip EXHAUSTO recommends: Handling of the heat exchangers is much eas- ier with the vacuum lifter shown here. Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo To open the door: ●...
- Page 12 Maintenance and servicing 3004252-2021-05-18 Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo If the VEX is fitted with a con- densation pump: ● Dismount the level monitor- ing socket. The socket is lo- cated to the left of the VEX next to the condensation tray.
- Page 13 Maintenance and servicing 3004252-2021-05-18 Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo To dismount the condensation tray: ● NB: Check whether there is any condensate in the tray before dismounting it – if so, have a bucket ready below the tray.
- Page 14 Maintenance and servicing 3004252-2021-05-18 Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo To dismount the heat exchang- ● Undo the two finger screws which hold the plate in front of the bypass valve. ● Undo the finger screws on the bracket holding the counterflow heat exchanger.
- Page 15 Maintenance and servicing 3004252-2021-05-18 Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo Cleaning the counterflow heat exchanger: ● Clean the exchanger by flushing with warm water (a high-pressure cleaner can be used). Max. water tem- perature: 90°C.
- Page 16 Maintenance and servicing 3004252-2021-05-18 Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo Assembly - insertion of heat exchanger: ● First sit the heat exchanger on the rail opposite the slid- er bracket and push into place.
- Page 17 Maintenance and servicing 3004252-2021-05-18 Dismounting, cleaning and mounting of counterflow heat exchangers and heating coil Step Action Photo Mounting the condensation tray: ● Lift up the condensation tray and mount with 4 screws. ● Plug in the level monitoring socket. ●...
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Page 18: Opening Of Partly Integrated Inspection Hatch
Maintenance and servicing 3004252-2021-05-18 2.4 Opening of partly integrated inspection hatch Action Photo To open the door: ● Always open the door by undoing the lock fittings (1) closest to the wall (next to the rear lock fittings are hinge fittings, which hold the door in place). - Page 19 Maintenance and servicing 3004252-2021-05-18 Action Photo ● First, open up the inspection hatch. ● Then tilt the two inspection hatch holders out and down into the lock- ing grille, one on each side. Cleaning and assembly: ● Carry out the necessary inspection. ●...
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