Operating manual
Document nr. : 022091
Version : V2.3
MC 785-SC
Client : General
Page : 3 of 32
1.
Technical specifications
General
Type
: MC 785-SC (Step-Control)
Wall-mounting:
Housing
: Grey plastic
Material
: Polystyrol 454h KG 2 natur BASF
Dimensions
: 213 x 180 x 85mm (whd)
Front
: Polycarbonate (IP-44)
Panel-mounting:
Housing
: Steel plate panel
Material
: Steel in silver grey
Dimensions
: 217 x 155 x 85mm (whd)
Panel cutout
: min. 208 x 146mm (wh)
Front
: Polycarbonate (IP-44)
Supply
: 230 Vac; 50/60 Hz (-10/+5%).
Used power
: 9 VA
Pressure range
: 0/+50 Bar per 0.1 Bar
(Suction: -40/+50°C per 0.1°C)
(Discharge: -30/+100°C per 0.1°C)
Accuracy
: ± 0.5 % of the range
Operation temperature
: -20/+50°C
Operation rel. humidity
: 10/+90 % RH not condensing
Front
Displays
: 4-digit display for suction pressure (SUCTION) with 7 day LEDs
4-digit display for discharge pressure (DISCHARGE) with 7 day LEDs
LED bars
: 8 LEDs on/off and 8 LEDs delay, for maximal 8 compressors
8 LEDs on/off and 8 LEDs delay, for maximal 8 condenser fans
Keys
: ON/OFF
= On/off key controller with LED indication
= Clock key with LED indication
PRG
= Program key with LED indication
RESET/ALARM
= Reset alarm key with LED indication
(2x)
= Up keys
(2x)
= Down keys
SET (2x)
= Setpoint keys with LED indication
SELECT (2x)
= Display select keys at displays
MODE/SELECT (2x)
= Mode select keys
LEDs at displays
: Bar (2x)
= LED indications for readout in Bar
O
C (2x)
= LED indications for readout in degrees Celsius
Hrs (2x)
= LED Indications for readout in operation hours
% (2x)
= LED indications for readout in percentage
(2x)
= LED indications control is increasing
(2x)
= LED indications control is decreasing
Service (2x)
= LED indications service
Fail (2x)
= LED indications fail
(2x)
= LED indications alarm