Danfoss 087H3803 User Manual

ApplicationA275.3
Double-insulated(two-chamber)transformer
Terminal
Description
Max.load
16
PhaseforcontrolofcirculationpumpP4,circuit2
15
K4
ControlofcirculationpumpON/OFF,circuit2
4(2)A/24Va.c.*
14
Phaseforcontrolofpumpsandburner
13
K3
ControlofDHWheatingpumpON/OFF,circuit3
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
PhaseformotorizedchangeovervalveoutputM1,circuit3
7
M1
Motorizedchangeovervalve,DHWcircuitdirection
1A/24Va.c.
6
M1
Motorizedchangeovervalve,heatingcircuitdirection
1A/24Va.c.
5
PhaseformotorizedcontrolvalveM2,circuit2
1A/24Va.c.
4
M2
Motorizedcontrolvalve-opening,circuit2
1A/24Va.c.
3
M2
Motorizedcontrolvalve-closing,circuit2
1A/24Va.c.
*Relaycontacts:4Aforohmicload,2Aforinductiveload
Factoryestablishedjumpers:
5to8,9to14,Lto5andLto9,Nto10
VI.GU.L2.02
©Danfoss|2017.09|63
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English