Operating manual
Document nr. : 022091
Version : V2.3
MC 785-SC
Client : General
Page : 11 of 32
P-Nr
Description
Range
Unit
De-
fault
P 95
P 96
P 97
Outdoor temp. control active (0=no, 1=yes)
Delta T condenser with outdoor temperature
Maximum pressure set point condenser
0..1
1,0..50,0
0,0..50,0
-
Kelvin
Bar
0 (no)
10,0
50,0
P100
P101
P102
P105
P106
P107
Minimum pressure alarm suction side
Minimum pressure alarm suction side delay
Minimum pressure failure suction side
(This is not delayed and the compressors
are blocked)
Maximum pressure alarm discharge side
Maximum pressure alarm discharge side delay
Maximum pressure failure discharge side
(This is not delayed and the compressors
and condensers are blocked)
-1,0..50,0
0..999
-1,0..50,0
-1,0..50,0
0..999
-1,0..50,0
Bar
Sec.
Bar
Bar
Sec.
Bar
0,5
10
0
18,0
10
20,0
Parameters for Compressors 1 to 8
P110
P111
P112
P113
P114
P115
P116
P117
P118
P119
P120
P121
P122
P123
Compressor-1
type:
0 = not present
1 = on/off
2 = 2-Cylinder (0-50-100%)
3 = 3-Cylinder (0-33-66-100%)
4 = 4-Cylinder (0-25-50-75-100%)
5 = 5-Cylinder (0-20-40-60-80-100%)
6 = Screw compressor (0-50-75-100%)
7 = FRQ 1-Stage frequency controlled
Power Compressor-1 in KW
On/off relay Compressor-1
Valve lifting relay Compressor-1
For no-load running, relay is active when
starting
First valve lifting relay ..%
Percentage depends on number of
cylinders, subsequent cylinders are
assigned automatically hereafter. (For
operation see page 5)
Analog output Compressor-1 (0-10V)
Failure input Compressor-1
High pressure input Compressor-1
Failure oil pressure contact-input
Compressor-1
Operation-switch input
Pause input
Economizer relay
Minimum percentage output frequency control
Maximum percentage output frequency control
0..7
0.1..300.0
-- .. 4 7
-- .. 4 7
-- .. 4 7
-- .. 4 4
-- .. 4nc6
-- .. 4nc6
-- .. 4nc6
–- .. 4nc6
–- .. 4nc6
–- .. 4 7
1 .. 200
1 .. 200
-
KW
-
*
-
*
-
*
-
$
-
#
-
#
S
#
-
#
-
#
-
*
%
%
1
0.1
--
--
--
--
--
--
–-
–-
–-
--
70
140