LCD large display screen

5 * relay outputs 

1 * low voltage relay output for boiler on/off control 

7 * sensor inputs 

1 * Input for Grundfos Direct Sensor TM (VFS) 

1 * Input for (FRT)rotary blade electronic flow meter 

3 * Variable frequency PWM outputs for the speed control of the high efficiency pump 

7 systems available for selection 

485 communication interface

Mobile APP control

Inputs： 

2* PT1000 temperature sensors 

5* NTC10K, B=3950 temperature sensors 

1* analog input for Grundfos Direct Sensor TM ( VFS ) 

1* input for Rotary blade electronic flow meter(FRT) 

Output： 

3* Electromagnetic relay, Max. current 1A 

3* Semiconductor relay, Max. current1A 

1* low voltage relay (on/off signal) , boiler on/off control 

3* PWM variable frequency output (switchable 0-10V) 

1* 485 communication interface

Power supply: 100…240V AC

Rated impulse voltage:2.5KV 

Data :TF（Micro SD）

Housing：Plastic ABS 

Mounting：Wall mounting 

Operation: 5 push keys at the front cover 

Protection type: IP41

Ambient temperature: 0 ... 40 °C 

Dimensions: 208*158*43mm 

Date(Time/ Date set)

THET Timed back-up heating

CIRC circuit pump controlled by temperature in three time - sections / flow switcher and by three time sections

SYS system selection

LOAD/LOAD2 Tank heating set 

COL/COL2 Collector function

PUMP Pump control mode

LLOGITank priority logic 

COOLCooling function

HEATX Energy exchange between tanks

RPH Heating return pipe preheat

SFB Solid fuel boiler function

AH Thermostat function

BEEP Beeper fault warning

MAN Manual mode

BLPR Block protection function

OTDI Thermal disinfection function

OPARR Parallel relay

OHQM Heat quantity measurement

FS Flow meter selection and flow rate monitor

UNIT Unit switch 

WLAN WiFi module configuration

RST Reset

Holiday function

Screen protection

Trouble protection

Trouble checking

system installation