SystemAir DVG EC F400 User Manual

7
6 Electrical connection
6.1 To do before the electrical
connection
• Make sure that the electrical connection agrees with the
productspecicationonthemotornameplate.
• Make sure that the environment for electrical connection
is clean and dry�
• Make sure that the wiring diagram that is included with
the supply of the product agrees with the terminals in the
connection box�
Warning
The installation of cables must ensure
uninteruptedpowersupplyincaseofre
or extreme heat� Use cable protection
made of temperature resistant material if
neccessary� Do not run any cables on
the fan casing as the fan casing will have
high temperature during smoke or heat
extraction�
6.2 To connect the product to the
power supply
• Complete the electrical connection for the motor� Refer
to the motor wiring diagram that is included with the
product�
• Make sure that the cross section of the protective
earthing is equal to or larger than the cross section of
the phase conductor�
• Install a circuit breaker in the permanent electrical
installation, with a contact opening of a minimum 3 mm
at each pole�
• If a residual current device (RCD) is installed, make sure
that it is an all-current sensitive RCD� Consider if the
product has a frequency converter, uninterruptible power
supply (UPS), or an EC motor� EC motors have a
leakage current to earth that is <=3�5 mA�
• If there is a risk that the service switch is accidentally set
to OFF, lock the service switch� To lock the service
switch, drill a hole into the handle in the ON position and
put a padlock in the hole� The lock makes sure that the
fanoperatesifthereisare.
6.3 Speed controller for EC
motors
• EC motors are controlled through a stepless 0–10 V
signal�
• Do not use power supply for the speed controller�
• Refer to the supplied wiring diagrams and the instruction
manual for the external speed controller�
6.4 Motor protection for EC
motors
EC motors have an integrated motor protection�
5 Fire mode
• Theproducthasabuiltincontrollerwithremode
function.Theproducthaspossibilitytoactivateremode
MAX as default�
• All alarms in the controller are ignored during an active
remodeMAX.Thefanwilloperateonmaximumspeed
until motor failure or until the electric supply to the EC
controller is broken�
• Theremodefunctionisactivatedviadigitalinputonthe
ECcontroller(opencontact►remodeON).
• Resetofremorefunctionwithdigitalinput(close
contact►firemodeOFF)andcuto󰀨supplyfor~2min.
• For more information about the EC controller or
MODBUS control, refer to wiring diagram and separate
instruction for the EC controller� The manual for the EC
controller can be found systemair�com�
Warning
Theremodefunctionmustbetested,
and a written test report must be
included in the commissioning report�
Note:
Theproductcanbeorderedsetwithcustomerspecic
settings from factory, for example 0-10V speed control in
remode.SpeaktoyourlocalSystemairo󰀩ce
for more information about control settings�
5.1 Di󰀨erential pressure
monitoring
The product can be delivered with tubes for monitoring of the
di󰀨erentialpressurebetweenthefannozzleandtheventilat-
edarea.TheKfactorfordi󰀨erentialpressure
montoring is presented in the table below�
Formoreinformation,speaktoyourlocalSystemairo󰀩ce.
Product name
Size - EC -
Impeller F400
K -factor
DVG
355EC-XL-F400 135
450EC-XL-F400 220
560EC-XL-F400 330
630 EC - XM - F400 485
800EC-XL-F400 830
Calculatetheairowasfollows:
dp = p2-p1
Air volume = k*SQRT(dp) in m3/h
Note:
Themeasuredpressuredi󰀨erencemaybeinuencedby
used accessories and duct� The K -factor is usable over
50%max.airoweachfansize.

SystemAir DVG EC F400 Specifications

General

Brand	SystemAir
Model	DVG EC F400
Category	Fan
Language	English