26 User Guide RS8KH202 © Danfoss 2019-03 AK-PC 572
Supply voltage
24 V a.c. +/-15% 50/60 Hz, 17 VA
24 V d.c. (20-60 V), 17 VA
8 analog Input
Pressure meauring:
10-90%, ratiometric
1-5 volt
4-20 mA
Temperature measurement
Pt 1000 ohm/0°C
8 digital input
From contact function
E.g. to:
Start/stop of regulation
Monitoring of safety circuits
General alarm function
Relay output
to capacity control
4 pcs. SPDT (8A)
AC-1: 6 A (ohmic)
AC-15: 4 A (inductive)
2 pcs. SPST (16A)
AC-1: 10 A (ohmic)
AC-15: 3,5 (inductive)
2 pcs. Solid State.
PWM for scroll -
unloadl
Imax. = 0.5A
Imin. = 50 mA.
Leakage<1.5 mA
Not short-circuit protected
3 Voltage output
0-10 V d.c. Ri = 1kohm
Separate 24 V supply required
Display output For type MMIGRS2
Data communication
Modbus
for AK-SM 800
Canbus
for valve control modules and external display
Environments
-20 - 60°C, During operations
-40 - 70°C, During transport
20 - 80% Rh, not condensed
No shock influence / vibrations
Enclosure IP 20
Weight 0.4 kg
Mounting DIN-rail
Connection terminals max. 2.5 mm
2
multi core
Approvals
EU Low Voltage Directive and EMC demands re
CE-marking complied with
LVD tested acc. EN 60730-1 and EN 60730-2-9
EMC-tested acc. EN61000-6-2 and 3
UL approval
Data
Pressure transmitter / temperature sensor
Kindly refer to catalogue RK0YG...
Mounting/dimensions
For DIN rail mounting only (IP 20)
Installation considerations
Accidental damage, poor installation, or site conditions, can give
rise to malfunctions of the control system, and ultimately lead to a
plant breakdown.
Every possible safeguard is incorporated into our products to
prevent this. However, a wrong installation, for example, could still
present problems. Electronic controls are no substitute for normal,
good engineering practice.
Danfoss will not be responsible for any goods, or plant compo-
nents, damaged as a result of the above defects. It is the installer's
responsibility to check the installation thoroughly, and to fit the
necessary safety devices.
Special reference is made to the necessity of signals to the control-
ler when the compressor is stopped and to the need of liquid
receivers before the compressors.
Your local Danfoss agent will be pleased to assist with further
advice, etc.
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