Berner AE08 Installation & Maintenance Instructions Manual Download Page 14

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• Air stream too weak

• Air stream hits obstruction

• Negative pressure

• Shaft rotating inside fan

• One motor not operating

• Nozzle not angled out far enough

• Unit too powerful

• Air movement too cold

• Pushing air outside building

SEE AIR IS NOT HITTING FLOOR SYMPTOMS

• Switch turned to “ON” position

• Thermostat not set properly

• Coils burned out due to lack of air

• Automatic reset thermal cutout failed in open

position

• Manual reset thermal cutout tripped

(if supplied)

• Adjust nozzle to proper position, adjust motor

speed; see installation instructions

• Remove obstruction or reposition air curtain

(move out 3/8” for every 1” up from the door)

• Relieve negative pressure by providing makeup

air

• Tighten set screws

• Repair or replace motor

• Adjust nozzle angle to outside

• Adjust motor speed

• Add auxiliary heat to overcome wind chill factor

• Adjust discharge angle back into building, adjust

motor speed

• Replace switch or check wiring

• Change thermostat setting

• Correct airflow problem; replace coils

• Replace automatic thermal cutout

• Reset manual thermal cutout

AIR IS NOT HITTING

FLOOR

UNEVEN AIR

EXCESSIVE AIR

MOVEMENT AT

DOORWAY

ELECTRICALLY HEATED MODELS

NO HEAT

MINIMAL HEAT

EXCESSIVE HEAT

HOT WATER HEATED UNITS

EXCESSIVE HEAT

MINIMAL HEAT

NO AIR

• Power supply line open (no power)

• Fuse blown/circuit breaker tripped

• Motor overload tripped

• Failed switch

• Check power source, check service disconnect,

check method of control in ON position

• Replace fuse(s)/reset breaker

• Internally protected motor - should reset

automatically after cool-down, if not, replace motor.

• Replace switch

MOTOR RUNNING/FANS ARE NOT ROTATING

MINIMUM AIR

ELECTRICAL CONTROLS NOT FUNCTIONING WHEN DOOR IS OPEN

SYMPTOMS

REMEDY

CAUSE

• Broken or damaged flexible hub

• Shaft rotating inside fan

• Selector switch is in off position

• Door limit switch not operating

• Air directional discharge vanes mis-adjusted

• Inadequate intake clearance

• Blower motor operates below speed

• Fan rubbing against housing

• Fan wheels clogged with dirt

• Fan in backwards

• Replace fan sleeve/reengage coupling

• Tighten set screws/tighten fan on shaft

• Turn switch to “ON” position

• Repair or replace limit switch

• Adjust vanes to proper position, see instructions

• Move air curtain or remove obstruction

Provide adequate space for air curtain

• Improper voltage

• Free fan from housing

• Clean and vacuum fan wheels

• Check fans for blade curve toward discharge

• Thermostat in wrong location - thermostat

too close to discharge

• Improper voltage

• Thermostat not set properly

• Low entering air temperature
• Incorrect speed range

• Thermostat in wrong location

• Thermostat not set properly

• Insufficient air over coil

• Improper voltage

• Move thermostat away from air stream

• Supply proper voltage

• Change temperature setting

• Based on unit temperature rise, reduce speed

• Check Factory Menu speed range matches diagram

• Move the thermostat closer to air stream

• Change temperature setting

• Remove restriction on intake

• Supply proper voltage

• Reduce hot water flow

• Clean intake and coils

• Increase water flow

X. TROUBLESHOOTING

• Too high hot water pressure

• Inadequate air flow, fins plugged up, dirty coils

• Water temperature too low

• Intake air below design temperature

Summary of Contents for AE08

Page 1: ...LD CONNECTIONS 6 VII OPERATING INSTRUCTIONS 7 INTELLISWITCH QUICK START OPERATION 10 FAQ s FREQUENTLY ASKED QUESTIONS 12 VIII MAINTENANCE AND CLEANING 8 IX SERVICE 8 X TROUBLESHOOTING 14 XI APPENDIX A SERIAL NETWORK CONNECTION PREVIOUSLY MASTER SLAVE CONNECTION 15 B WALL MOUNTED TOUCHSCREEN 15 XII WARRANTY 16 Installation Maintenance Instructions II 260D May 2020 Copyright 2020 Berner Internationa...

Page 2: ... s in accordance with all applicable national and local codes having jurisdiction including fire rated construction See page 6 ELECTRICAL CONNECTIONS NEC Code ANSI NFPA No 70 E When cutting or drilling into wall or ceiling do not damage electrical wiring and other hidden utilities F To reduce the risk of fire do not store or use gasoline or other flammable vapors and liquids in the vicinity of the...

Page 3: ...nd then it will drop down If the unit must be mounted higher than 1 above the opening it must be spaced out from the wall 3 8 for every inch the unit is above the door opening 2 LOWER LIP GAP NEEDED TO MOUNT UNIT FLUSH WITH TOP OF OPENING MOUNTING SCREWS WALL HANGER MOUNTING SCREWS SPACER SEAL ALONG LENGTH SCREWS Longer units use more than two wall hangers Position outer wall hangers no more than ...

Page 4: ...greatly reduced See Figure 2 B For optimum performance the bottom of the air curtain discharge nozzle should be no more than 1 above the top of the door opening with the air curtain s mounted flush to the wall If the air curtain must be mounted higher it must be spaced out from the wall 3 8 for every inch the air curtain is above the door opening See Figure 3 For optimum protection any void betwee...

Page 5: ...nger 3 Proceed to Section V ELECTRICAL CONNECTIONS III WALL MOUNTING Figure 4 Wall Mounting Preparation Figure 5 Wall Mounting Installation IV SUSPENDED MOUNTING NOTE if the unit was ordered with a decorative rear cover the air curtain will arrive with the cover already installed and the wall mounting hangers mounting catch and hook will not be included in the shipment Contact Berner if they are r...

Page 6: ... temperature sensor located internally to measure the incoming return air stream D Remove the wiring compartment cover E Connect all supply and control circuit wires according to the wiring diagram provided NOTE For Electric and Hot Water heated air curtains provided with an optional remote thermostat mount and wire the thermostat according to thermostat instructions and wiring diagram For Serial ...

Page 7: ...mming Guide go to www Berner com Intelliswitch 2 Unheated units will have the fans activated by a door switch or sensor The unit speed can be selected from the Intelliswitch display 3 Heated units will have fans activated by a door switch or sensor but may also be activated by the thermostat in Comfort Plus Mode The unit speed can be selected from the Intelliswitch display 4 To operate using the B...

Page 8: ... attach the screen Vacuum and or wash with dish soap and water 3 Internal open the bottom access panel by removing the Phillips head screws on the top front of the unit Vacuum and scrape if necessary to remove the build up of dirt and debris The motor s are permanently lubricated and require no additional lubrication 4 Re install the cover and intake screen See Figure 10 5 Switchthepoweronaftercle...

Page 9: ...motor being serviced Remove the 2 8 hex screws from each end of each assembly that attaches the end bracket to the cabinet endplate 6 Remove the 2 12 hex head screws that secure the lower module to the transverse 7 Remove the transverse 8 If the module has electric heaters mark and disconnect the wires Remove the heaters by disconnecting their mounting brackets from the fan housings Take care to n...

Page 10: ...Temp Set Sets the temperature the air curtain will maintain heated units only Start Time Programs the time of day the air curtain becomes active Stop Time Programs the time of day the air curtain stops running Set Time Day Sets the clock time and day used by programming Locked Unit will run as programmed but settings cannot be changed QUICKSTART INSTRUCTIONS For your Berner Air Curtain with Intell...

Page 11: ...ay expires Door opens The air curtain activates immediately when mode is selected Door shuts The air curtain continues to run Door opens The air curtain is off Door shuts The air curtain is off OFF Standard Mode of Operation Options STEP THREE Once the Mode of Operation is selected press the button For heated units only STEP ONE To Start Press the down arrow button once NOTE To change from Mode to...

Page 12: ...tched on accidentally When the service disconnecting means cannot be locked securely fasten a prominent warning device such as a tag to the service panel Even though every Architectural Elite is individually tested at the factory before shipment on occasion improper functionality may be experienced Here is a list of common questions Q Why won t the Intelliswitch light up A There may not be power t...

Page 13: ...ot tied together There is no danger of getting shocked because the signal is 5 volt DC Be sure not to touch the orange wires to anything metal or grounded The heat should shut off when the wires are separated For more complex troubleshooting of either thermal cutouts or heater relays please consult a quali fied electrician or consult the factory Q Why didn t the Intelliswitch save the changes I ma...

Page 14: ...ld reset automatically after cool down if not replace motor Replace switch MOTOR RUNNING FANS ARE NOT ROTATING MINIMUM AIR ELECTRICAL CONTROLS NOT FUNCTIONING WHEN DOOR IS OPEN SYMPTOMS REMEDY CAUSE Broken or damaged flexible hub Shaft rotating inside fan Selector switch is in off position Door limit switch not operating Air directional discharge vanes mis adjusted Inadequate intake clearance Blow...

Page 15: ...e or display of a unit on the network All program settings are included in the installation instructions shipped with the air curtain 5 Models AE08 E and AE10 E air curtains include a wireless controller that works with the Berner App When connected to the local Wi Fi network they can be programmed from a smart phone using the Berner AIR App Serial Network Connection Settings When units with the I...

Page 16: ...nse or liability for repairs made outside its factory without proper written consent from its service manager nor for any transportation charges on apparatus returned to the factory without written authorization by The Company Nothing in the above warranty provisions however shall impose any liability or obligation of any type nature or description upon Berner International if Berner has not recei...

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