FlaktWoods TWIN WHEEL SYSTEM Assembly And Installation Manual Download

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Assembly and installation

Fläkt Woods

8877 GB 2017.10.25

Specifications are subject to change without further notice

TWIN WHEEL SYSTEM

White

Orange

Purple

Grey

Blue R

Brow

Green

Blue

Red

Blue

Pump cooling

t. heat

GT4 Extract air

GT1 Supply air GH1 Supply air

Cooling

GT3 Outdoor air

Set point

Alar

Alarm

VVX1

VVX2

VVX1

Alar

VVX2

Alar

Cooling

Alar

GP1

Alar

Ethernet

Operators panel

ansformer

Red
Red

Yello

External fuse 16 A

Cabinet

heater

Main isolator

Temperature sensor

after coil

Temp. sensor

outdoor air

extract air

TER

SV2 -

cooling coil

GTH1 -

Temp/

Humidity sensor supply air

VVX2 -

heat ex

changer

Non

hyg

VVX1 -

hea

t ex

changer

opic

Yello

rlac

TWIN WHEEL CONTROL BOX – WIRING DIAGRAM

Summary of Contents for TWIN WHEEL SYSTEM

Page 1: ...n Wheel System 2 Twin Wheel Controls Cabling Guide 3 Using the controller 4 Configuration quick guide 5 8 Overview of the menu structure 9 General Notes Controls 10 Connection Twin Wheel and eQ control boxes 11 Twin Wheel Control box Wiring diagram 12 Cabling locations 13 14 Installation and mounting GTH1 TW 15 ...

Page 2: ...he quick guide on page 4 Signal cables required from the AHU BMS controller are as follows Supply air set point signal cable 0 10 V Start signal cable Power supply cable for connecting to the TW controller Optional AHU BMS cable signals External heater cable Always connect to TW if external heater is present Cooling alarm cable Pump cooling cable AHU Heater feedback signal cable Alarm cable Alarm ...

Page 3: ...14 as shown on the picture on page 10 Be sure to check that the interlacing between G0 and MS in the humidity sensor is in place Should it be missing it has to be interlaced 11 Locate the valve actuator for the cooling coil SV2 TW 12 Connect the cabling for SV2 TW to the fast connector 15 17 18 See picture on page 10 13 Locate the cabling needed from the AHU controller described on page 1 See draw...

Page 4: ...se anticlockwise to advance or move back in the menus Press the button to enter a menu or to be able to change a value after reaching it Turn knob to change the value Hold the knob pressed in for direct access to the Password Enter Menu in case the value you want to change requi res password entry 4 Alarm button Function see alarm acknowledge Red flashing alarm Red steadyglow alarm acknowledged bu...

Page 5: ...ion 2 4 The input and output signals can purely physically be connected in Configuration IO s Restart the AHU through Reset required 5 Now all you have left is to set the time schedules required set point and enable possible extra functions Reset save commissioning and factory preset settings It is possible to reset the controller back to its original factory settings Par factory load and the comm...

Page 6: ...5 and press it down 4 Place the marker on the date and time on the upper row 5 Press the knob down to start editing the value To edit the year in the date field press the knob 5 twice 6 The value can now be changed through rotating the knob 5 7 Confirm the change through pressing the knob 5 once 8 Press ESC button 3 to leave the edit mode Parameter Remark dd mm yyyy Date hh mm ss Time Parameter Re...

Page 7: ...alarm output NO adjustable Sensible rotor The sensible rotor regulates so that the supply air temperature set point is withheld Under conditions when the sensible rotor fails to reach the set point the hygroscopic rotor is used if allowed to start Rotor settings are found under Temperature control The temperature sequence is independent of the humidity sequence The temperature sequence uses both r...

Page 8: ...stop Run Normal operation TempDev Temperature deviation occurs HumDev Humidity deviation occurs HumOverStpt Current humidity over set point HumUnderStpt Current humidity under set point relative humidity set point This is settable in the configuration through the parameter Humidity control Dehumidification Cooling When dehumidification is needed the dehumidification controller controls the cooling...

Page 9: ...overy 2 Status and settings for the sensible rotor u Extra htg demand Status and settings for external heating u Cooling Status and settings for cooling u Humidity control Control of the dehumidification sequence u Setpoints Set points for the dehumidification controller u Dehumidification Status and settings for dehumidification u Auxiliary Status and settings for operating indication u Loop cont...

Page 10: ...e rises past the TW unit fan duct etc If the AHU controller is equipped with a sensor giving feedback to the system this will solve itself automatically since the AHU controller will feed the TW controller with the correct value at all times Note Adjustable seals are fitted between the casing and the rotors on both sides in order to minimize the leakage between extract and supply air It is strongl...

Page 11: ...STEM 24V AC Pump cooling Ext heater GT4 Extract air GT1 Supply air GH1 Supply air GT11 Cooling GT3 Outdoor air Set point Alarm Alarm B VVX1 VVX2 VVX1 Alarm VVX2 Alarm Cooling Alarm GP1 Alarm Ethernet Operators panel CONNECTION TWIN WHEEL AND EQ CONTROL BOXES Processbus PB CE is connected to KNX CE is connected to KNXConnection ...

Page 12: ...ir Set point Alarm Alarm B VVX1 VVX2 VVX1 Alarm VVX2 Alarm Cooling Alarm GP1 Alarm Ethernet Operators panel Transformer Red Red Yellow Yellow External fuse 16 A Cabinet heater Main isolator Temperature sensor after coil Temp sensor Temp sensor outdoor air extract air TERMINAL A 4 SV2 TW Actuator cooling coil GTH1 TW Temp Humidity sensor supply air VVX2 TW Rotary heat exchanger Non hygroscopic VVX1...

Page 13: ... RHE2 TW cabling Sensible rotor 4 GT3 TW cabling Outdoor air sensor 5 GT11 TW cabling Temp after coil sensor 6 GTH1 TW cabling Temp humidity sensor supplied as loose accessory Supply air ground floor inspection side left 1 RHE1 TW cabling Hygroscopic rotor 2 GT4 TW cabling Extract air sensor 3 RHE2 TW cabling Sensible rotor 4 GT3 TW cabling Outdoor air sensor 5 GT11 TW cabling Temp after coil sens...

Page 14: ...essory Supply air top floor inspection side left 1 RHE1 TW cabling Hygroscopic rotor 2 GT4 TW cabling Extract air sensor 3 RHE2 TW cabling Sensible rotor 4 GT3 TW cabling Outdoor air sensor 5 GT11 TW cabling Temp after coil sensor 6 GTH1 TW cabling Temp humidity sensor supplied as loose accessory 4 1 5 3 2 3 5 1 4 2 VVX1 TW VVX2 TW VVX2 TW VVX1 TW SV2 Extract Air Supply Air External 6 VVX1 TW VVX2...

Page 15: ...ensor should be mounted as in figure 1 If the heater is placed before the fan the sensor should be mounted as in figure 2 When choosing the location make sure to place the sensor on a safe distance from any heated surfaces ergo not too close to the fan or the heater The sensor element should be placed as close to the centre of the air stream as possible The drill hole should be carefully sealed to...

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