4
en
1
Overview
• Adjustable temperature difference 2 … 16 K, hysteresis 1.6 K
• 1 PWM output for speed control of a high-efficiency pump
• Antifreeze function adjustable by DIP switch
• Maximum or minimum temperature limitations adjustable
by DIP switch
• Protection against dripping water
Technical data
Inputs: 2 Pt1000 temperature sensors
Outputs: 1 electromechanical relay (changeover), 1 PWM output
PWM frequency: 1000 Hz
PWM voltage: 11.0 V
Switching capacity: 4 (1) A 240 V~ (electromechanical relay)
Total switching capacity: 4 A 240 V~
Power supply: 100 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: 0.39 W
Mode of operation: Type 1.B
Rated impulse voltage: 2.5 kV
Functions: antifreeze function, maximum or minimum temperature limitation
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting
Indication / Display: 1 operating control LED
Operation: 3 potentiometres, 4 DIP switches, 1 jumper
Protection type: IP 20 / DIN EN 60529
(with seal IP 22)
Protection class: II
Ambient temperature: 0 … 40 °C
Degree of pollution: 2
Dimensions: Ø 139 mm, depth 45 mm
2
Installation
2.1
Mounting
WARNING!
Electric shock!
Upon opening the housing, live parts are exposed!
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Always disconnect the controller from power supply
before opening the housing!
Note
Strong electromagnetic fields can impair the function of the device.
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Make sure the device as well as the system are not exposed to strong
electromagnetic fields.
The unit must only be located in dry interior rooms.
The controller must additionally be supplied from a double pole switch with contact
gap of at least 3 mm.
Please pay attention to separate routing of sensor cables and mains cables.