Danfoss ECL 2000 Installation Guide

Application 11
EI.65.D4.02
88
Wiring Type 2
Input Type 2
Name Pin Common Description
S1 3 12
Flow temperature, heat circuit 1. Must be connected
S2 4 12
Return temperature, heat circuit 1
S3 5 12
Outdoor temperature. Must be connected
S4 6 12
Flow temperature, heat circuit 2. Charging temperature,
hot-water circuit. Must be connected
S5 7 12
Return temperature, heat circuit 2 and hot-water circuit
S6 8 12
Hot-water temperature. Must be connected
S7 9 12
Optional: Can be installed to measure lower tank tempera-
ture
S8 10 12
Default: Room temperature, heat circuit 1. Can be rede-
fined
S9 11 12
Default: Room temperature, heat circuit 2. Can be rede-
fined
S10 23 12 Available
S11 24 12 Available
Output Type 2
Name Pin Neutral
Description
P1 16 13
Circulation pump, heat circuit 1
P2 17 13
Appl. 11A: Circulation pump, heat circuit 2
Appl. 11B: Circulation pump, heat circuit 2 and charging
pump, hot-water circuit
P3 18 13
Appl. 11A: Charging pump, hot-water circuit
Appl. 11B: Changeover valve directing flow to the heat or
hot-water circuit
M1 19 12
Motor valve on primary side of heat circuit 1
M2 20 12
Motor valve on primary side of heat exchanger supplying
heat circuit 2 and hot-water circuit

Danfoss ECL 2000 Specifications

General

Brand	Danfoss
Model	ECL 2000
Category	Temperature Controller
Language	English