User manual
Document Nr. : 080631
Version : V1.0
MC 785 KLIMA 0-100
C
Client : General
Page : 4 of 16
In- and Outputs
Sensors
: Temperature sensor (Pt-100, 3-wire to DIN/IEC 751)
RH sensor (0/+1 Vdc = 0/+100% RH)
Digital inputs
: Day/night input (potential free input contact)
External alarm input (potential free input contact)
Spare input (potential free input contact)
Analog outputs
: 2x 0/+10Vdc, Rbmin 10Kohm, programmable.
Relay outputs
: RY1 Extra relay (C/NO/NC, 250Vac/10A not inductive)
Options extra relay (adjustable with parameter 20);
P20=0
Fail safe alarm (normal C-NO is closed and
during alarm C-NC is closed)
P20=1
Control alarm (normal C-NC is closed and
during alarm C-NO is closed)
P20=2
Function Cooling
P20=3
Function Heating
P20=4
Function Dehumidifying
P20=5
Function Humidifying
The following relays have a central common;
RY2 Dehumidifying(NO, 250Vac/10A not inductive)
RY3 Humidifying
(NO, 250Vac/10A not inductive)
RY4 Heating
(NO, 250Vac/10A not inductive)
RY5 Cooling
(NO/NC, 250Vac/10A not inductive)
