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en
1
Overview
• Direct connection of an electric immersion heater up to 3 kW (230 V~)
• DHW heating with rapid heat-up and thermal disinfection
• Time and temperature control of the electric backup heating
• Solar backup heating suppression
• Heat quantity measurement via VFD Grundfos Direct Sensor
TM
• PWM output for the speed control of a high-efficiency pump
• Quick access to the holiday and the manual modes
• Status display for a bidirectional HE pump
• Drainback option and tube collector function
• Commissioning menu
Technical data
Inputs:
for 4 Pt1000 temperature sensors, thereof 1 x RCTT, 1 x Grundfos Direct
Sensor
TM
VFD, 1 x PWM feedback
Outputs:
1 semiconductor relay, 2 high-current relays for electric immersion
heater, 1 PWM output
PWM frequency:
512 Hz
PWM voltage:
10 V
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
14 (3) A 240 V~ / 24 V
⎓
(potential-free high-current relay)
Power supply:
100 … 240 V~ (50 … 60 Hz)
Supply connection:
type Y attachment
Standby:
0.67 W
Temperature controls class:
I
Energy efficiency contribution:
1 %
Mode of operation:
type 1.B.Y action
Rated impulse voltage:
2.5 kV
Data interface:
VBus
®
VBus
®
current supply:
35 mA
Functions:
function control, operating hours counter, tube collector function, heat
quantity measurement, time-controlled thermostat function, DHW heating with
rapid heat-up, thermal disinfection, holiday mode and backup heating suppression
Housing:
plastic, PC-ABS and PMMA
Mounting:
wall mounting, mounting into patch panels is possible
Indication / Display:
System-Monitoring-Display for visualisation, 16-segment
display, 7-segment display, 8 symbols for system states, background illumination and
operating control LED
Operation:
3 push buttons and 1 slide switch
Ingress protection:
IP 20 / EN 60529
Protection class:
I
Ambient temperature:
0 … 40 °C [32 … 104 °F]
Pollution degree:
2
Dimensions:
144 x 208 x 43 mm
12.5
180
180
100
144
208
16.75
43.3
Upper fastening
Lower fastening
