Installing The Knx Convertor - Fujitsu AIRSTAGE UTY-VKGX Installation Manual

Screw with special
washer
Ring terminal
Cable
Terminal block
WARNING
Use ring terminals and tighten the terminal screws to the specifi ed
torques, otherwise, abnormal overheating may be occurred and possibly
cause heavy damage inside the unit.
Tightening torque
M4 screw
(Power supply / L (L1), N (L2), GND)
5.2.2. Transmission cable to VRF Network
Shielded cable
(no sheath)
WARNING
Tighten the terminal screws to the specifi ed torques, otherwise, abnor-
mal overheating may be occurred and possibly cause heavy damage
inside the unit.
Tightening torque
M3 screw
(Transmission / X1, X2)
CAUTION
To peel the sheath from the lead cable, use a dedicated tool that will not
damage the conductor cable.
When installing a screw on the terminal block, do not cut the cable by
overtightening the screw. On the other hand, an under tightened screw
can cause faulty contact, which will lead to a communication failure.
Ring terminal
Sleeve
Screw with
special
washer
Ring
terminal
Cable
1.2 to 1.8 N • m
(11 to 16 lbf • in)
(12 to 18 kgf • cm)
0.5 to 0.6 N • m
(4.4 to 5.3 lbf • in)
(5 to 6 kgf • cm)
5.2.3. KNX cable
5mm
(3/16 in)
KNX connector

6. INSTALLING THE KNX CONVERTOR

WARNING
Always use the accessories and specifi ed installation work parts. Check
the state of the installation parts. Not using the specifi ed parts will cause
units to fall off, electric shock, fi re, etc.
Install at a place that can withstand the weight of the unit and install pos-
itively so that the unit will not topple or fall and add the wooden material
for reinforce if necessary.
When installing this unit, make sure that there are no children nearby.
Otherwise, injury or electric shock could result.
Install a circuit breaker.
Otherwise, electric shock or fi re could result.
CAUTION
Do not set the DIP switch or rotary switch of this unit except as specifi ed
in this installation manual or the instruction manual supplied with the air
conditioner. Setting the switches other than specifi ed will cause an ac-
cident or trouble.
Use an insulated screwdriver to set the DIP switches.
Before opening the cover of this unit, completely discharge static
electricity charged on your body. Otherwise, failure or malfunction could
result.
Do not touch the circuit board and circuit board parts directly with your
hands.
Otherwise, injury or electric shock could result.
Tightening the mounting screws too tight will damage the body of this
unit.
Be careful so that the cover does not fall after the cover screws are
removed.
Otherwise, injury could result.
15 mm
(9/16 in)
En-4