Danfoss SMV Bedienungsanleitung Seite 4

Tilslutning SMVE (fig. 7)
SN: Nulleder
SP: Fase
Y: Indgangssignal. Afhængig af
jumper D/I (Konfigurering/
kalibrering SMVE)
1: Manuel drift. Input signal for
SMV/SMVE aktuator ned.
3: Manuel drift. Input signal for
SMV/SMVE aktuator op.
X: Udgangs signal. Afhængig af
jumper 2/0. (Konfigurering/
kalibrering SMVE)
SN, SP: Spænding: 24 V a.c. +10% –15%
Drift uden aktivt fjerderretursystem
Fjederretursystemet kan sættes ud af
drift med et beslag, således at SMV/
SMVE-motoren ikke lukker MEV/MRV-
motorventilen ved spændingssvigt
Beslag til type
SMV 24 027F1970
SMV 230 027F1970
SMVE 24
Fjederreturspærringen monteres som
vist på fig. 8.
4
SMV/SMVE motors can be fitted on all
MEV/MRV motorised valves.
Type Description
SMV 24 24 V a.c. three-
point controlled
SMV 230 230 V a.c. three-
point controlled
SMVE 24 24 V a.c. modu-
lating input
Mechanical features
Spindle heater
If the temperature of the medium flowing
through MEV/MRV is less than 0°C a
spindle heater (fig. 1) must be fitted.
Apply heat-conductive compound
between the spindle heating element and
the aluminium housing, and between the
Best. nr. aluminium housing and the neck of the
motorised valve before the parts are
assembled.
The aluminium housing with spindle
027F1970
heating element must be secured with
two grub screws (hexagon key,
2.5 mm A/F).
Type
Spindle heater
Spindle heater
NOTE!
Spindle heater must not be supplied
with voltage unless it is mounted in the
aluminimum housing.
Assembled motorised valve
The motorised valve must not be
installed with the push pin vertically
downwards and the SMV/SMVE motor
actuator spindle vetically upwards
(fig. 2). Secure the SMV/SMVE motor on
the neck of the MEV/MRV motorised
valve with a union nut (32 mm A/F)
(max. 25 Nm) using the adjusting screw
(22 mm A/F) to provide counter torque
(fig. 1).
Installing the assembled motorised
valve directly in the discharge air flow
from an evaporator is not
recommended.
Technical Data
Control signal
Supply voltage
Consumption, motor
Consumption, spindle
heating element
Frequency
Control signal input
Output signal
Ambient temperature
Enclosure rating
Spindle speed at 50 Hz
Spindle speed at 60 Hz
RI.4M.A2.52 © Danfoss A/S (RC-CM / MWA), 01 - 2002
ENGLISH
Code no.
082H3030
082H3031
082H3032
Description Code no.
24 V a.c.,
18 W 027F3180
2 m cable
230 V a.c.,
18 W 027F3181
2 m cable
SMV, three-point motor
3-point
24 V a.c.;
230/240 V a.c. +10% - –15%
12 W
24 W
50/60 Hz
3-point, open - neutral - close
Contact Danfoss
–20°C - + 60°C
IP 54
3 s/mm
2.4 s/mm
When the valve is closed, there is 0.6 -
1.0 mm clearance between the SMV/
SMVE motor actuator spindle and the
MEV/MRV motorised valve push pin.
Manual operation
SMV/SMVE can be operated manually
as follows (NB! Power supply must be
isolated before opening valve manually!):
1. Isolate the SMV/SMVE power supply.
2. Loosen the four screws in the cover
(fig. 3).
3. SMV/SMVE can be operated
manually using a 5 mm hex. key and
a strip of cardboard (supplied with
SMV/SMVE on delivery) (fig. 4).
Insert the key in the plastic spindle
and turn it clockwise to open the
valve. The valve position can then be
locked by inserting the cardboard strip
as shown in fig. 4.
4. When the cardboard strip is removed
the spring return system will always
automatically close the valve,
provided the SMV/SMVE remains
isolated from the power supply.
Configuration/calibration of SMVE
Before SMVE is connected to the power
supply the motor operating signals and
electrical signals must be configured
(fig. 5).
SMVE has three jumper settings:
D/I: Direct or inverse operation
D: Direct: Rising input signal, the motor
actuator spindle extends
(valve opens)
I: Inverse: Rising input signal, the motor
actuator spindle retracts
(valve closes)
2/0: Input signal range
2: 4 - 20 mA / 2 - 10 V; dependent on U/I
0: 0 - 20 mA / 0-10 V; dependent on U/I
U/I: Input signal current/voltage
I: Current
U: Voltage
Factory setting: D, 2, I
When the jumper setting has been made
and the SMVE motor is connected to the
power supply (see Electrical installation)
the motor must be calibrated to suit the
MEV/MRV motorised valve concerned,
i.e. different MEV/MRV motorised valves
have different strokes.
SMVE, modulating motor
Analog
24 V a.c.; +10% - –15%
14 W
24 W
0 - 10 V / 2 - 10 V, R
0 - 20 mA / 4 - 20 mA, R
0 - 10 V / 2 - 10 V
= 24 W
i
= 500 W
i
DIR