21
ECOTHERM
Heat transfer solutions
®
Operating Instructions High Capacity Water Heaters Models EHRE/EHPE & EDRE - ELC 11
electrical load
X15 - +24V DC Digital input limit switch valves (CLoSED)
3-poled connector Phönix RM3,5
PIN ALLOCATION ISOLATED RELAY OUTPUTS
X12 - 230 V AC relay output boiler demand (isolated)
2-poled connector Phönix RM5,0
Pin
Signal
Function
Cable YSLY-JZ 2x1
1
+24V2
+24V DC
1
2
Di1
Di1: limit switch Valve 1 below
2
3
GnD
GnD
Pin
Signal
Function
Cable YSLY-JZ 3x1 (Option)
1
LRO11_C
RO11: Burner demand (C)
1
2
LRO11_NO
RO11: Burner demand (NO)
2
X13 - 230 V AC relay output fault (isolated)
2-poled connector Phönix RM5,0
Pin
Signal
Function
Cable YSLY-JZ 3x1
1
LRO12_C
RO12: Fault message (C)
1
2
LRO12_NO
RO12: Fault message (NO)
2
PIN ALLO24V DIGITAL INPUTS
X14 - +24V DC Digital input limit switch valves (oPEN)
3-poled connector Phönix RM3,5
Pin
Signal
Function
Cable YSLY-JZ 2x1
1
+24V2
+24V DC
1
2
Di2
Di1: limit switch Valve 2 below
2
3
GnD
GnD
X16 - +24V DC Legionella identification
3-poled connector Phönix RM3,5
Pin
Signal
Function
Cable YSLY-JZ 2x1
1
+24V2
+24V DC
1
2
Di3
Di3: legionella identification
2
3
GnD
GnD
