Danfoss ECL Comfort 210

2.5.4Electricalconnections,24Va.c.(ECL310only),powersupply,pumps,motorizedvalvesetc.
ApplicationA275.1/A275.2
Double-insulated(two-chamber)transformer
Terminal
Description
Max.load
16
15
Alarm(A1)
4(2)A/24Va.c.*
14
Phaseforcontrolofpumpsandburner
13
K3
ControlofDHWheatingpumpON/OFF,circuit2(A275.2only)
4(2)A/24Va.c.*
12
B1
BurnerON/OFF4(2)A/24Va.c.*
11
K1
ControlofcirculationpumpON/OFF,circuit1
4(2)A/24Va.c.*
10
Supplyvoltage24Va.c.-(SN)
9
Supplyvoltage24Va.c.-(SP)
8
M1
Phaseformotorizedchangeovervalveoutput,circuit2(A275.2only)
7
M1
Motorizedchangeovervalve,DHWcircuitdirection(A275.2only)
1A/24Va.c.
6
M1
Motorizedchangeovervalve,heatingcircuitdirection,(A275.2only)
1A/24Va.c.
*Relaycontacts:4Aforohmicload,2Aforinductiveload
Factoryestablishedjumpers:
5to8,9to14,Lto5andLto9,Nto10
VI.GU.L2.02
©Danfoss|2017.09|61
OperatingGuideECLComfort210/296/310,applicationA275/A375