Operating Instructions and Installation Instructions

BMS Interface Module

4.1 Parameter list

Para-

meter

type

Value Type Unit Description

Conversion

y = first byte

x = second byte

Unit type

BFC SGS SGE

0 03 16 bits direct Address - Actual Modbus address BMS Interface - Yes Yes Yes

1 03 16 bits direct Temperature °C Temperature in the top of the water heater x/100 Yes Yes Yes

2 03 16 bits direct Temperature °C Temperature in the bottom of the water heater x/100 Yes Yes Yes

3 03 16 bits direct Temperature °C Flue gas sensor (dummy) x/100 n.a. n.a. n.a.

4 03 16 bits direct Temperature °C Set point water heater x/100 Yes Yes Yes

5 03 16 bits direct Delta T K Hysteresis up gas burner x/100 Yes Yes Yes

6 03 16 bits direct Delta T K Hysteresis down gas burner x/100 Yes Yes Yes

7 03 16 bits direct State - Unit state - Yes Yes Yes

8 03 16 bits direct Relay - Relay: Potable water pump 1=Closed, 0=Open Yes Yes Yes

9 03 16 bits direct Burning hours Hours Burning hours water heater - Yes Yes Yes

10…14 03 16 bits direct Error - Last 5 lock outs (internal codes) - Yes Yes Yes

15…19 03 16 bits direct Error - Last 5 blocking errors (internal codes) - Yes Yes Yes

20 03 16 bits direct Error - Actual error code (internal code) - Yes Yes Yes

21 03 16 bits direct Relay ON/OFF Relay: External ON / OFF 1=Closed, 0=Open Yes Yes Yes

22 03 16 bits direct Solar State - State solar control - n.a. Yes Yes

23…27 03 16 bits direct Error - Last 5 solar errors (internal codes) - n.a. Yes Yes

28 03 16 bits direct Temperature °C Temperature solar collector (S1) x/100 n.a. Yes Yes

29 03 16 bits direct Temperature °C Solar temperature in the bottom of the tank (S2) x/100 n.a. Yes Yes

30 03 16 bits direct Temperature °C Solar temperature in the top of the storage tank (S3) x/100 n.a. Yes n.a.

Table continuous on the next page.