Daikin DCOM-LT/IO Installation manuals
RS485
3+4-5
C
POWER
15-24VDC
1
0/+20/+
10 11
P1P2
RS485
ACNET
REL AY 1
230VAC, 3A
6 7
C NO
REL AY 2
230VAC, 3A
8 9
C NO
STA TU S
SW1
12 13
C S1
14 15
S2 S3
16 17
C S4
18 19
S5 S6
REL AY 1
REL AY 2
DCOM-LT/IO
A B C D
H
E F G
J
P
Q
R
S
T
Reference
manual
DCOM-LT/IO
Reference manual
DCOM-LT/IO
English
60mm
75mm
20
110mm
21
24
89mm
88mm 32mm
22
25
English
23
2 DCOM-LT/IO Reference Manual
26
27
C S1S2 S3
C S1S2 S3
+
V
+
V
+
V
C S1S2 S3
C S4S5 S6
C S4S5 S6
+
V
+
V
+
V
C S4S5 S6
28
29
30
31
32
33
1 second
P1P2
34
1ON2 3 4 5 6 7 801ON2 3 4 5 6 7 811ON2 3 4 5 6 7 821ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 841ON2 3 4 5 6 7 851ON2 3 4 5 6 7 861ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 881ON2 3 4 5 6 7 891ON2 3 4 5 6 7 8101ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8121ON2 3 4 5 6 7 8131ON2 3 4 5 6 7 8141ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8161ON2 3 4 5 6 7 8171ON2 3 4 5 6 7 8181ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8201ON2 3 4 5 6 7 8211ON2 3 4 5 6 7 8221ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8241ON2 3 4 5 6 7 8251ON2 3 4 5 6 7 8261ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8281ON2 3 4 5 6 7 8291ON2 3 4 5 6 7 8301ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8321ON2 3 4 5 6 7 8331ON2 3 4 5 6 7 8341ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8361ON2 3 4 5 6 7 8371ON2 3 4 5 6 7 8381ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8401ON2 3 4 5 6 7 8411ON2 3 4 5 6 7 8421ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8441ON2 3 4 5 6 7 8451ON2 3 4 5 6 7 8461ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8481ON2 3 4 5 6 7 8491ON2 3 4 5 6 7 8501ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8521ON2 3 4 5 6 7 8531ON2 3 4 5 6 7 8541ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8561ON2 3 4 5 6 7 8571ON2 3 4 5 6 7 8581ON2 3 4 5 6 7 8
1ON2 3 4 5 6 7 8601ON2 3 4 5 6 7 8611ON2 3 4 5 6 7 8621ON2 3 4 5 6 7 8
3
7
11
15
19
23
27
31
35
39
43
47
51
55
59
63
English
3DCOM-LT/IO Reference Manual
GENERAL SAFETY PRECAUTIONS
The English text is the original instruction. Other languages are
translations of the original instructions.
Refer to http://www.daikineurope.com/support-and-manuals/
product-information/ for more detailed user reference guides
Refer to Daikin documentation on the Daikin Altherma
products and controllers compatibility.
Supported DCOM functions might be dierent depending on the unit. Refer to the unit manual for
more details.
WARNING
Carefully read these instructions before installation.
They will tell you how to install, how to congure and
how to use the unit properly. Keep this manual in a
handy place for future reference.
This is an option to be used in combination with Daikin
units. Refer to the installation and operation manual
of the units for installation and operation instructions.
Improper installation or attachment of equipment or
accessories could result in electric shock, short-circuit, leaks,
re or other damage to the equipment or personal injury.
English
If unsure of installation procedures or use, always contact your
dealer for advice and information.
Do NOT install the DCOM:
Near machinery emitting electromagnetic radiation. Electromagnetic radiation may disturb
the operation of the control system and result in a
malfunction of the unit.
In moist areas or places where it may be exposed
to water. If water enters the device, electric shocks
may be caused and the inner electronics may fail.
In order to comply with SELV system requirements do
not connect the P1P2 network to any other connection
apart from the P1P2 connection on the DCOM and
compatible P1P2 connections on Daikin equipment
WARNING the operation of the product in smart-grid
applications must be according to EN60730-1:2011
and must not override the operation of any type 2 action controls nor interfere with any protective function
of the control
WARNING The product must be securely fastened to
a 35mm IEC/EN 60715 DIN rail. If the relay terminals R1 or R2 are connected to voltages greater than
50VAC or 75VDC, or if the DCOM power supply is not
SELV/ PELV, then the product must be mounted in an
enclosure that is only accessible to qualied persons
by use of a tool. The enclosure may be metal or plas-
tic, certied in accordance with EN62208:2011, if the
enclosure is plastic it must have a ammability rating
of at least IEC 60695-11-10 V-1.
WARNING Relays must only be used for indication
function and must not be used for control function.
Do not exceed the specied ratings of the relays. If
the relay terminals R1 or R2 are connected to voltages greater than 50VAC or 75VDC, the connected
cables must be insulated with a voltage rating of 600V
and ame retardant insulation, conductors should be
stranded copper to EN60228:2011 with cross-sectional area of 0.5 to 2.5mm square.
All cables must be tted with adequate strain relief
and be protected from abrasion.
EN 60730-1 DECLARATION
Category Declaration
Model Name DCOM-LT/IO
Model Number 535-001
Mounting Surface Mounting
Purpose of control Operating Control
Protection against electric
shock
Software Class Class A
Control Action Type 1
Pollution degree 2
Rated Impulse Voltage Category II 500V
Surge Immunity Category Installation Class 2
Independently mounted
Class I Equipment
4 DCOM-LT/IO Reference Manual
WEEE
The adjacent symbol indicates that a product
is not to be disposed of with household
waste, according to the Directive and each
country’s national law. The product should
be handed in at a designated collection
point or to an authorised collection site for
recycling waste electrical and electronic
equipment (EEE).
SPECIFICATIONS
Physical Dimensions 110 x 88 x 32 mm
Electrical Power
Networks P1P2 <1m
Inputs Resistive 12VDC, max 20mA
Outputs Outputs 230VAC, 3A resistive
Environment Storage: -10..60ºC
Voytech Systems Limited, Unit 203, China House, 401 Edgware Road,
London, NW2 6GY, UK. Tel: +44 203 287 2728 WWW: www.voytechsystems.co.uk
Weight 80g
Enclosure PC ABS UL94-V0
Connectors PA 6.6 UL94-V0
Mounting 35mm IEC/EN 60715
DIN Rail
Protection IP20
Regulated 15-24VDC
Supply
120mA
Terminals CSA 0.5 to 2.5mm2
Torque 0.5Nm
RS485 RS485(TIA-485-A)
3-wire <500m, 9600
Baud, No Parity, 1
Stop Bit
Modbus Modbus RTU
Voltage 0-10V, Impedance
345kΩ
30VDC, 3A resistive
Operating: 0..55ºC
Humidity 0-90% Non-condensing
EMC EN60730-1:2011
Safety EN60730-1:2011
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