Specifications

RK0YG302 © Danfoss 04/2007 19
AK-PC 840
Type Function Application Language Code no.
Controller
AK-PC 840
Controller for capacity
control of compres-
sors and condensers
compressor/
condenser/
both
English, Ger-
man, French,
Italian,
Dutch
080Z0111
English (UK),
Spanish,
Portuguese,
English (US)
080Z0112
English (UK),
Danish,
Swedish,
Finnish
080Z0113
Miscellaneous
Extension modules if several connections are needed
See
section
Accesso-
ries
-
AK
modules
Software for operation of AK controllers AK-ST 500
Cable between PC and AK controller
Cable between zero modem cable and AK controller
External display that can be connected to the con-
troller module. For showing, say, the suction pressure
EKA 163B,
EKA 164B
Real time clock for use in controllers that require
a clock function, but are not wired with data com-
munication.
AK-OB 101A
Ordering
Supply voltage 24 V a.c. +/- 20%
Power consumption AK-PC 840 12 VA
Analoge indgange Pt 1000 ohm /0°C Dissolution: 0.1°C
Accuracy: +/- 0.5°
Pressure transmitter
type AKS 32R /
AKS 32 (1-5 V)
Dissolution 1 mV
Accuracy +/- 10 mV
Max. connection of 5 pressure
transmitters on one module
Voltage signal
0-10 V
Contact function
(On/O)
On at R < 20 ohm
O at R > 2K ohm
(Gold -plated contacts not neces-
sary)
On/o supply voltage
inputs
Low voltage
0/80 V a.c./d.c.
O: U < 2 V
On: U > 10 V
High voltage
0/260 V a.c.
O: U < 24 V
On: U > 80 V
Relay outputs
SPDT
AC-1 (ohmic) 4 A
AC-15 (inductive)
3 A
U Min. 24 V
Max. 230 V
Low and high voltage must not
be connected to the same output
group
Fuse 5 A (T)
Solid state outputs Can be used for
loads that are cut in
and out frequently,
e.g. :
Loads, rail heat, fans
and AKV valve
Max. 240 V a.c. , Min. 48 V a.c.
Max. 0.5 A,
Leak < 1 mA
Max. 1 AKV
Ambient temperature During transport -40 to 70°C
During operation -20 to 55°C ,
0 to 95% RH (non condensing)
No shock inuences/vibrations
Enclosure Material PC/ABS
Enclosure IP10 , VBG 4
Mounting For mounting on wall or DIN rail
Weight with screw
terminals
Modules in100-
/200-/controller-
series
Ca. 200 g/500 g/600 g
Approvals EU low voltage
directive and EMC
requirements are
complied with
LVD tested according to EN 60730
EMC tested
Immunity according to EN 61000-6-2
Emission according to EN 50081-1
UL 873,
UL le number: E166834
Data
Additional information!
Manual: RS8EG--
The installation of data communications must comply with the require-
ments described in literature sheet no. RC8AC