Kamstrup MULTICAL 402 Istruzioni per l'installazione e il funzionamento
Installation & Maintenance Instructions
MULTICAL® 402
Reading Office
Cutbush Park, Danehill, Lower Earley,
Reading, Berkshire. RG6 4UT. UK.
Tel: +44 (0)118 9311188
Email: [email protected]
Aberdeen Office
Unit 6 Airside Business Park, Kirkhill Industrial Estate,
Dyce, Aberdeen. AB21 0GT. UK.
Tel: +44 (0)1224 725999
Email: [email protected]
Internet: www.able.co.uk
e-procurement: www.247able.com
Registered in England No: 01851002
VAT No: GB 417 2481 61
MULTICAL® 402
Energy Measurement
MULTICAL® 402 functions in the following way:
The flow meter registers the amount of district heating water in
m³ (cubic metres) circulating through the heating system.
The temperature sensors placed in inlet and outlet pipes
register the cooling, i.e. the difference between input and
output temperatures.
MULTICAL® 402 calculates consumed energy based on volume
of district heating water and cooling.
Readings
When the top front key is activated, a new reading
appears.
The lower front key displays historical readings and
average values.
Four min. after the latest activation of the front key the meter
automatically switches to consumed energy.
www.kamstrup.com
MULTICAL® 402
English
USERS GUIDE
Kamstrup A/S
Industrivej 28, Stilling, DK-8660 Skanderborg
Tel: +45 89 93 10 00 · Fax: +45 89 93 10 01
info@kamstrup.com · www.kamstrup.com
MID designations
Permissible operating conditions / measuring ranges
Calculator : 2 °C…160 °C : 3K…150K
Temperature sensor set : 10 °C…150 °C : 3K…140K
Flow sensor (heat meter) : 15 °C…130 °C
Also available as cooling meter with temperature range 2...50°C or as
combined heat/cooling meter with temperature range 2...130°C, with-
out MID approval however.
Mechanical environment
M1 (fixed installation with minimum vibration).
Electromagnetic environment
E1 (housing/light industry). The meter’s control cables must be drawn
at min. 25 cm distance to other installations.
Climatic environment
Must be installed in environments with non-condensing humidity as
well as in closed locations (indoors). The ambient temperature must be
within 5…55 °C.
Maintenance and repair
The district heating supplier can replace communication module, bat-
tery and temperature sensor set. The flow sensor must not be separated
from the calculator
Other repairs require subsequent reverification in an accredited labora-
tory.
MULTICAL® 402, type 402-W and 402-T must be connected to a tem-
perature sensor set type Pt500.
MULTICAL® 402, type 402-V must be connected to a temperature sensor
set type Pt100.
Battery for replacement
Kamstrup type 402-000-2000-000 (D-cell) or 402-000-1000-000
(2 x AA-cells).
2
Contents
1 General information 4
2 Mounting of temperature sensors 4
2.1 Pocket sensor set 5
2.2 Short direct sensor set 6
3 Information codes ”INFO” 6
4 Mounting of flow sensor 7
4.1 Mounting of glands and short direct sensor mounted in
MULTICAL®402 flow part 7
4.2 Mounting of MULTICAL® 402 10
4.3 Installation examples 11
5 Mounting the calculator 12
5.1 Compact mounting 12
5.2 Wall mounting 12
6 Power supply 13
6.1 Battery supply 13
6.2 Mains modules 13
7 Testing the function 14
8 Electrical connection 14
9 Plug-in modules 15
9.1 Pulse inputs 15
9.2 Pulse outputs 15
9.3 Data + pulse inputs, type 402-0-10 16
9.4 Data + pulse outputs, type 402-0-11 16
9.5 M-Bus + pulse inputs, type 402-0-20 17
9.6 M-Bus + pulse outputs, type 402-0-21 17
9.7 M-Bus module with MULTICAL® III data package + pulse inputs,
type 402-0-29 17
9.8 Wireless M-Bus, type 402-0-30, 402-0-35 and 402-0-37 18
9.9 Radio, type 402-0-40 and 402-0-41 18
9.10 Radio+ pulse inputs, type 402-0-42 and 402-0-44 18
9.11 Radio+ pulse outputs, type 402-0-43 and 402-0-45 19
9.12 Module overview 20
10 Setup via front keys 21
3
1. General information
Read this guide before installing the meter.
In case of incorrect mounting Kamstrup’s guarantee obligations no
longer apply.
Please note that the following installation conditions must be obeyed:
- Pressure stage PN16/PN25, see marking. The flow
sensor marking does not apply to
enclosed accessories
- Pressure stage, Kamstrup
sensor set type DS: PN16
- Pressure stage, Kamstrup
stainless steel pockets: PN25
At medium temperatures above 90°C in flow sensor, use of flange me-
ters is recommended, and the calculator should be wall-mounted.
2. Mounting of temperature sensors
The temperature sensors used to measure inlet and outlet temperatures
are a matched sensor set that must never be separated.
MULTICAL® 402 is by default supplied with mounted temperature sen-
sors. According to EN 1434 the cable length must not be changed. If
necessary, sensors must always be replaced in pairs.
One sensor is marked with a red sign and must be installed in the inlet
pipe. The other sensor is marked with a blue sign and must be installed
in the outlet pipe (see paragraph 8, page 14).
Note: The sensor cables must not be pulled. Be aware of this in case of
binding the cables.
4
2.1 Pocket sensor set
Preferably, sensor pockets must be mounted in tee-pieces or in 45° lat-
eral Y-pieces. The tip of the sensor pocket must point against the flow
direction and be placed in the middle of the water flow.
Temperature sensors should be inserted to the bottom of the pockets.
If a short response time is required, “non-hardening” heat conducting
paste can be used.
Push the plastic sleeve on the sensor cable into the sensor pocket and
secure the cable with the enclosed M4 sealing screw. Fasten the screw
with your fingers only. Seal the pockets using seal and locking wire.
5
2.2 Short direct sensor set
Short direct sensors can be mounted in special ball valves or in special
tee-pipes, both with threads up to R1 and built-in M10 union for the
short direct sensor.
For mounting in existing heating installations with standard angle tees
Kamstrup A/S can supply R½ and R¾ brass nipples fitting the short
direct sensors.
Short direct sensors can also be fitted directly into all Kamstrup’s
ULTRAFLOW® variants with G¾ and G1 threads on the meter case.
Fasten the brass unions of the sensors lightly (approx. 4 Nm) using a 12
mm face wrench and seal the sensors with seal and locking wire.
3. Information codes ”INFO”
MULTICAL® 402 constantly monitors a number of important functions. If
there is a serious error in the measuring system or installation, a flash-
ing “INFO” is displayed, and an info code can be read by activating the
top front key until the measuring unit displays “INFO”. The info code is
visible as long as the error exists, unless the meter has been specially
configured for ”manual reset of info codes”. When an info code has
existed for an hour, it is saved in the info log.
6
Info
Code
Description Response time
0 No irregularities -
1 Supply voltage has been interrupted -
8 Temperature sensor T1 outside measur-
ing range
30 sec.
4 Temperature sensor T2 outside measur-
ing range
30 sec.
4096 Flow sensor V1, signal too weak (air) 30 sec.
16384 Flow sensor with wrong flow direction 30 sec.
If several info codes appear at a time, the sum of the info codes is dis-
played. If e.g. both temperature sensors are outside measuring range,
info code 12 is displayed.
4. Mounting of flow sensor
Prior to installation of the flow sensor, the system should be flushed
and protection plugs/plastic diaphragms removed from the flow sensor.
Correct flow sensor position (inlet or outlet pipe) appears from the front
label of the MULTICAL® 402. The flow direction is indicated by an arrow
on the side of the flow sensor.
4.1 Mounting of glands and short direct sensor mounted in
MULTICAL®402 flow part
The short direct sensor from Kamstrup can only be mounted in PN16
installations. The blind plug mounted in the MULITCAL® 402 flow part
can be used in connection with both PN16 and PN25.
7
The flow meter can be used in both PN16 and PN25 and can be sup-
plied marked either PN16 or PN25 as desired.
Possibly supplied glands can only be used for PN16. For PN25 installa-
tions shall be used suitable PN25 glands.
In connection with G¾x110 mm and G1x110 mm it shall be checked
that 10 mm thread run-out is sufficient. See the figure below.
Straight inlet: MULTICAL® 402 requires neither straight inlet nor straight
outlet to meet the Measuring Instruments Directive (MID) 2004/22/
EC and EN 1434:2007. A straight inlet section will only be necessary in
case of heavy flow disturbances before the meter. We recommend to
follow the guidelines of CEN CR 13582.
Gasket
Gasket
Tightening approx. 4 Nm
Gasket
Gasket
Tightening approx. 4 Nm
10
8
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2
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