Danfoss AK-PC 551 User Manual

AK-PC 551 User Guide RS8GY302 © Danfoss 2015-06 25
Ordering
Type Function Operation Supply voltage Code no.
AK-PC 551 Capacity controller
With buttons and display
230 V 080G0281
24 V 080G0283
With external display and
1.5 m wire for display unit
230 V 080G0282
24 V 080G0288
MMIGRS2 Display unit With buttons and display - 080G0294
Wire for display unit, L = 1.5 m, 1 pcs. 080G0075
Wire for display unit, L = 3 m, 1 pcs. 080G0076
Supply voltage
24 V a.c. +/-15% 50/60 Hz, 17 VA
24 V d.c. (20-60 V), 17 VA
230 a.c. (85-265 V) 50/60 Hz, 20 VA
8 analog Input
Pressure meauring:
Ratiometric pressure transmitter type AKS 32R
1-5 volt pressure transmitter type AKS 32
0-20 (4-20) mA pressure transmitter type AKS 33
Temperature measurement
Pt 1000 ohm/0°C
NTC - 86K from digital scroll / stream
8 digital input
From contact function
E.g. to:
Start/stop of regulation
Monitoring of safety circuits
General alarm function
Relay output to capa-
city 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 -
unload
Imax. = 0.5A
Imin. = 50 mA.
Leak<1.5 mA
2 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
Environments
-20 - 60°C, During operations
-40 - 70°C, During transport
20 - 80% Rh, not condensed
No shock inuence / 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 External display
Pressure transmitter / temperature sensor
Kindly refer to catalogue RK0YG...
An external display is only for front assembly (IP 20)
Connection only via cable with plug. See ordering.
Important!!
Termination
Connect H-R
Termination
Connect H-R
Capacitive load
The relays are not suitable for the direct coupling of the capacitive loads such as LED
and on / o control of EC motors.
All loads with a switch mode power supply has to be connected with a suitable
contactor or the like.

Danfoss AK-PC 551 Specifications

General

Brand	Danfoss
Model	AK-PC 551
Category	Controller
Language	English