7
1. Connecting to supply network must be provided with the switch with the clearance between
the contact not less than 3 mm mounted into the fixed wiring.
BU connecting depends on its model. Explore connecting scheme
(pic. 5a for model BU-1-60 and pic. 5b for models BU-1-60 TF, BU-1-60 THF, BU-1-60 THPF).
Install only when the power is off (pic. 4).
Installation should be done carefully to keep BU's electronics safe.
2. Connect BU supply wire to outer automatic switch.
Connecting to
supply network
S1
Scheme markings
5
b
CAUTION
!!
Scheme markings:
B - fan (pic. 6);
S1 - automatic switch (pic. 4);
S2 - outer switch (pic. 7);
X - input terminal block (pic. 6).
Scheme marking
В
fan's input
terminal block
Recommended wire marking:
L - brown
N - blue
5
a
6
4
220-240
V
220-240
V
L
N
L
N
S1
S1
B
B
X
X
S2
LT
L
M
M
N
LT
L
M
M
N
BU
Summary of Contents for BU-1-60 TF
Page 1: ...User s Manual BU...