LTG HDF-600, Инструкция по эксплуатации, установке и обслуживанию

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E
LTG Incorporated · PO Box 2889 · Spartanburg, S.C. 29304, USA Chilled beams HDF-us-OM (01/17)
Phone 864 599-6340, Fax -6344 · info@LTG-INC.net · www.LTG-INC.net
Former editions are invalid · Subject to technical modifications
page 5 of 30
Installation, operating and maintenance instructions
Active chilled beams HDF-600, ceiling installation
3.1 Control system with CO
2
-Sensor
Heat
in
g
s
ignal
0
...1
0
V
24
AC
Room temperature
sensor
S
ig
n
a
l
fo
r
flo
w
ra
te
c
o
n
tro
lle
r
0
...1
0
V
C
o
o
l.
s
ig
n
a
l0
...1
0
V
Power supply
optional
Presence sensor
VRE
active
Warm water valve Cold water valve
Signal for CO
2
0...10 V
Room
Unit
Window contact
The set value for the flow
rate controller depends on
actual CO
2
value
CO
2, IST
- CO
2, SOLL
V
min
(2 V)
0
V
max
(10 V)
T
IST
- T
SOLL
0
V
min
V max,
2. Temperature control circuit
Set value for flow rate controller
The highest value of the 2 control
circuits is decisive.
 Low cooling load
(0...48 % of cooling capacity)
cooling valves open,
V
prim
remains at V
min

increased cooling load
(52...100 % of cooling capacity)
cooling valves are completely
opened,
V
prim
opens to V
max
V CO
2
1. CO
2
control circuit
SOLL = nominal value, IST = actual value
Cooling
valve Heating
valve