Controlli W551C Manual

Multi-function DDC Controller
Model
Application-specific controller without dis-
W551C
play, without RS-485 serial unit
Application-specific controller with display,
W551C-D
Application-specific controller with display,
W551C-DS
Application-specific controller without dis-
W551C-S
GENERAL DESCRIPTION
DDC controller for outside air conditioning with temperature
and humidity control.
Fancoil water handling, generic Loop, modulating and fan
humidifier are available as options. For optional features it is
necessary to use W560-EXP expansion module. The STA6XL
digital remote sensor can be used in the environment.
The controller can be connected by RS485 serial port and Mod-
Bus protocol (S version only).
TECHNICAL CHARACTERISTICS
Dimensions
Mounting
Max consumption
Power supply
RS485 serial
Housing
Room temperature
- operating
- storage
Room humidity
- operating/storage
Use
Action type
Pollution degree
Insulation material PTI
Overvoltage category
Rated impulse voltage
Fire resistance Degree
Software class
ACCESSORIES
W560-EXP
W560-RT
1st Issue
ISO 9000
Description
without RS-485 serial unit
with RS-485 serial unit
play, with RS-485 serial unit
4DIN
DIN rail
6VA / 4W
12-24 Vac/24Vdc ± 10 % 50/60 Hz
S model only
polymeric body
PC+ABS UL94 V-0, polycarbonate
glass, thermoplastic resin keys
-10T 55°C.
-20T 85°C
0...90% R.H.
operating device (non-safety) to in-
tegrate
1.B - 1.Y
2
PTI 250V (device built with IIIa ma-
terial class)
class II
2500V
D
A
I/O Expansion module
Remote Display
03/11
CONTROLLI
16010 SANT'OLCESE Genova - Italy
Tel.: +39 01073061
E-mail: info@controlli.eu
INPUTS/OUTPUTS
The following is a description of the inputs and outputs on the
W551C controller base, on the W560-EXP expansion module
and on STA61L room sensor.
Inputs marked with * are related to configurable options and
they should be connected only if these features are enabled
and configured (see manual).
The inputs marked with ° are completely optional.
W551C
W560-EXP
STA61L
1
Fax: +39 0107306870/871
Web: www.controlli.eu
W551C
DBL363E