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HEX390man & HEX390digi - Operating Instructions, Installation Instructions, Wiring diagrams Sept 2015

Press together 5 secs to get

Setup Menu

display will then change to:

1. Heater Kit

Y/N

(default N).

If N - heater options are removed from all menus.

If Y - heater options are available in User menu - Heater On/Off for

continuous or night heat (to times as set below) .

To set night heat option:

• press up arrow to select

, then:

• press mode to display ‘

Heater Times

’

>display then changes

automatically to show the current settings (default: )

>display changes again to ‘

Change Times

’

Y/N (default N).

• At this point, use then to select

& change the times.

• Select desired

Heater ON

time in Hours:Mins using or

• Select desired

Heater OFF

time in Hours:Mins using or

•

Heater Test

Y/N (default N)

• change to Y, heater test will be performed. If there are any faults

(including no heater connected), ‘

Heater Fault

’

will display. (See

menu item

4.Fan Speed Heat

for possible Heater Fault causes.)

To reset Heater Fault display, turn unit off.

2. Max Fan Speed

(default 100%) – Range is 10% to 100% adjustable in

10% increments using up & down arrows.

For a large house set to a max of 100%.

3. Min Fan Speed

(default 10%) – Range is 10% to 100% adjustable in

10% increments using up & down arrows.

For a large house set to a min of 50%

4. Fan Speed Heat

(default 50%) – Range is 10% to 100% adjustable in

10% increments using up & down arrows.

Fan Speed Heat

sets a minimum speed for the fan to ensure

enough airflow for the heater to operate. There are many duct fan

combinations, some more restrictive to airflow than others. Therefore,

when setting up, the installer must check that the heater operates

without ‘

Heater Fault

’ flashing on the display. ‘Heater Fault’ is triggered

when the heater is operating but draws no current, this is most often

due to insufficient airflow causing the airflow proving switch to cut off.

If there is insufficient airflow, increase the ‘Fan Speed Heat’ setting.

Heater fault may also be caused by manual reset thermal cutouts which

may need to be reset.

Heater ON 19:00

Heater OFF07:00

Heater option not available for HEXdigi-NH

Use up arrow to change, then

mode to advance through menu
Use Mode button to scroll

through options

Press up and down arrows

together for 5 secs to get to

Setup Menu

Digital Controller setup instructions continued on next page

Содержание HEX390 digi

Страница 1: ...Air to outside HEX Heat is transferred to or from the incoming fresh air HEX390 Heat Exchanger with Digital or Manual Controller Cleaner Warmer Drier Healthier Homes Operating Instructions p2 4 Installation Instructions p5 8 Setup Instructions digi p9 12 Wiring Diagrams p13 14 Congratulations on purchasing a HEX Energy Recovery Ventilation Unit Manual controller Digital controller ...

Страница 2: ...IONS 0 5mm UNLESS STATED This is Smooth Air Products copyright and contains proprietary owned intellectual property rights and confidential data All rights are strictly reserved The information must not be used except for the agreed purpose Unauthorised use reproduction or issue to any third party is not permitted without the prior written authority of Smooth Air Products This document is to be re...

Страница 3: ...meowner can use to regulate the fresh air amount to suit the load Typically High where a number of people are living in the house and or outside temperatures are moderate Medium less people in the house and or colder outside temperatures Low mainly to keep air fresh in the home during extremely cold conditions Internal On off thermostat optional For the manual controller the optional thermostat ca...

Страница 4: ...ions on purchasing a HEX Heat Recovery Ventilator with Digital Controller This controller allows the user to adjust fan speed from high to low fan limits are set in the commissioning menu to suit the size of house and system layout The controller will automatically shut down in summer if outside air temperature OS exceeds 27 C and home is warm There are a number of other features available at time...

Страница 5: ...4 p15 digital controller Supplied HEX unit HEX attic box Triple rocker switch inside attic box Drain adaptor inside HEX filter access door Required Primary extended surface filters External inlet and outlet grilles Internal supply and return grilles Duct Tape 3 and 4 core wire Drain condensate hose 2 Mount Unit securely in ceiling space eg use bungees to hang or anti vibration pad where it can be ...

Страница 6: ...eturn air Mount return air grilles as suits the homeowner eg one in the bathroom and one at the other end of the hall from supply grille 6 Filters inside unit are secondary filters Mount hinged filter grilles eg PYHF400 or extended surface filters eg FBP200 in ducting prior to unit for return air from house as well as fresh intake air 3 Drain installation Drain adaptor supplied inside HEX filter c...

Страница 7: ...e drilled hole and fixed with the cable tie It is then plugged into the attic box as pictured above Cat5 cable to digital wall controller For digital controller mount with pack glands downwards Terminate separately the grey brown wires from the HEX unit 8 Mount Attic box Attic box can be mounted on the unit or anywhere in the attic The hall controller digital or manual 3 speed will be shipped insi...

Страница 8: ...tal Controller If there is an internal On Off thermostat this should be disabled for digital controller as the digital controller should control all airflows 10b Internal On Off thermostat optional Manual Controller The optional thermostat can be set so the unit turns off if incoming air exceeds the set point eg if thermostat is set to 30 the unit will turn off if the incoming fresh air is above 3...

Страница 9: ...the menu Options are on following pages Digital Controller Setup Instructions The Heat Recovery Digital Controller has a number of features available to customize the system to suit house size layout and user preferences The Setup menu is accessed by pressing the buttons together for about 5 seconds until the display reads Setup Menu The controller comes preset with default factory settings these ...

Страница 10: ...using up down arrows For a large house set to a max of 100 3 Min Fan Speed default 10 Range is 10 to 100 adjustable in 10 increments using up down arrows For a large house set to a min of 50 4 Fan Speed Heat default 50 Range is 10 to 100 adjustable in 10 increments using up down arrows Fan Speed Heat sets a minimum speed for the fan to ensure enough airflow for the heater to operate There are many...

Страница 11: ...O Side Degree Offset default 0 C this allows unit to be calibrated in the unlikely event that outside air temperature reads too high or low adjustment range 10 C to 10 C 10 I Side Degree Offset default 0 C As above 11 Heat P band default 5 C Range 1 7 C Heat Proportional Band When heater is fitted and conditions call for its operation heater will start heating at 20 when OS outside drops to refere...

Страница 12: ...ter Mode Y N If Y shut down temp C 6 Filter Timer Y N If filter timer Y days 7 I Side Ref Temp C 8 O Side Ref Temp C 9 O Side Degree Offset C 10 I Side Degree Offset C 11 Heat P band C 12 Summer Temp S down C 13 User Sys On Off 14 Factory Reset Y N Optional attic damper kit installed Y N Installer Details Heater option not available for HEXdigi NH Heater option not available for HEXdigi NH Heater ...

Страница 13: ...man HEX390digi Operating Instructions Installation Instructions Wiring diagrams Sept 2015 13 Wiring for manual 3speed switch The attic box also comes with a two core wire for use with the optional thermostat ...

Страница 14: ...or HT15 only Heater for HT07 HT15 Optional Attic damper kit 1 2 3 P N P1 N P3 N NC C 240VAC MOTOR HEAT Vent Circuit Board Patch lead socket Isolator Switch NO Heat Sensor Plug Grey HT15D Only Green Blue Brown Grey Mode Fan Diverting Branch Motor Heater 1 2 3 N P P N If damper operates in reverse change CW CCW switch on motor body to correct Diverting branch motor Hall controller For heated units o...

Страница 15: ..._______________________ Date of installation ________________________________________________________ Installed by _____________________________________________________________ HEXdigi Attic box wiring diagram Heater option not available for HEXdigi NH HEX Warranty 24 months manufacturing warranty from date of first retail purchase This HEX product when delivered to you in new condition from a HEX...

Страница 16: ...e Exhaust Air to outside HEX Heat is transferred to or from the incoming fresh air Display Key OS Outside Air Temperature IS Inside Air Temperature Winter Winter mode is on H Heater is fitted Fan Speed Status Outside Air Temp OS Operating Mode Inside Air Temp IS Fan Speed Increase Y Ntoggle Time Fan Speed Decrease Mode to scroll Heater option not available for HEXdigi NH ...

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