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HB950/A
TECHNICAL INFORMATION
Tanning appliance HB950 is equipped with a universal
power PCB.
This means that the specifi c characteristics of the appliance
have to be programmed in a microcontroller to determine
the way in which various components are activated.
When the mains plug is inserted into the wall socket, the
display of the remote control will show all functions available
to the user.
These functions are:
time setting
full body tanning
The UV lamps may produce a humming sound just after
start-up. This humming sound will stop as soon as the lamps
burn properly, which is after about 20 seconds. At this point
the light intensity clearly increases.
During the last minute of the session the beeper produces
an intermittent signal to alert the user to the fact that a new
session can be set.
After 750 operating hours, an L will automatically appear
on the display to indicate that the HPA lamps need to be
replaced or the tanning time must be slightly increased.
The clock speed of the µ-controller is derived from the 50 Hz
mains frequency.
This frequency is also used to control the 8 triacs that
determine the switch-in point (soft start) of the cos ϕ
capacitors and the HPA lamps.
The fans are switched via the safety relay.
This relay is part of the (one fault condition) timer circuit.
If the control of the triacs is disturbed due to a fault in the
µ-controller, the UV lamps may not be switched off.
As the µ-controller also generates a pulsating direct voltage
to power the relay, the relay will be de-energised in case of a
fault, thereby interrupting the lamp circuit.
Conversely, the appliance will not start if the switch contacts
of the relay are closed at that moment (sticking contacts).
The remote control is galvanically isolated from the mains,
with power supply and control taking place via a 4-core
cable.
The remote control only functions as input/output terminal.
2-7
M4
L
M3
M2
C11
T1
R9
N
M1
R6
R5
Tr8
R10
La
1
B1
NC
L
L
N
IR
C2
C4
C3
C1
Tr7
Tr6
Tr5
Tr4
Tr3
Tr2
Tr1
M1
L1
B9
B7
L6C7
L2
B8
B6
L7C8
L3
B3
B5
L8C9
L4
B2
B4
L9C10
La
2
La
3
La
4
TCO3
N
Re1
N
SK2TCO2
SK3
C1
C2
C3
CH only
M2
M3
safety
C12
R7
R8
TCO1
SK1
µC
IR
2


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