Kamstrup MULTICAL 402 Montage- und Bedienungsanleitung

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

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).

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

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.

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.

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.

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.

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

Tightening approx. 4 Nm

Gasket

Tightening approx. 4 Nm

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