27
TOP unit heaters
1.53
Unit heaters (2-stage three-phase motor/1-stage AC single-phase motor/continuously variable EC single-phase motor)
Installation and operating instructions
9.3.3.2 KaControl recirculation air module type ...33C1/34C1
The KaControl recirculation air module offers the option of
controlling the fan motor and value actuator either via a 0-10
VDC signal or via the KaControl system. The type of control
is set by 6 DIP switches on the KathermBoard as per the
applicable wiring diagram and selected system configuration.
Please refer to the KaControl installation instructions for unit
heater I438 for information on the KaControl system.
The fan and the KaControl recirculation air module can be
disconnected from the mains power supply via the integral
master switch.
All additional electrical components are
not
disconnected from
the mains power supply by the master switch!
0-10 VDC control signal
The 0-10 VDC control signal at input terminals AI2 and GND
(Ri = 20 kOhm) on the KathermBoard is interpreted as per Table
9 with regard to speed and valve control.
A maximum limit can be set via the potentiometer on the
KathermBoard.
Maximum permissible cable length for the 0-10 VDC control
signal is 20 m. Use a shielded cable e.g. J-Y(St)Y, 0.8 mm.
Output terminals V1 and GND are available on the
KathermBoard to control a 24 V DC Open/Close actuator.
Maximum permissible load 0.5 A
A wet fault message 24 VDC / max. 0.5 A is available at
terminals V2 and GND after appropriate parameterisation
with an additional KaController unit. This is signalled to the
KaControl system in the event of a fan fault
type 45xx33C1,
46xx33C1 and 47xx33C1
and the red LED in the housing lights
up.
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Lufterhitzer Top
EC 23 0
Volt
Typ
453033 EC1
To
EC 1
Revision
Ko n stru k
BI.
COPYRI GH T RESERVED: Die Zeichnung enthält von uns entwickel te s, geschütztes Know-H ow, das nic ht o h ne unsere schrif t liche Zus tim m ung Dritten , insbes o nde r e Mitb ewerbe rn
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TOP with KaControl
recirculation air module
DIP switches and
potentiometer
KathermBoard
Control
signal
Function
0 – 3 V
Unit OFF
3 – 9 V
Valve open
4 – 9 V
Min. fan speed
100%
Table 9
Fan fault indicator
Summary of Contents for Lufterhitzer TOP Series
Page 39: ......
