- ページ 5

温度計 Ashcroft S5500のPDF 設置およびメンテナンスの取扱説明書をオンラインで閲覧またはダウンロードできます。Ashcroft S5500 8 ページ。 All stainless steel gas actuated thermometer
Ashcroft S5500 にも：設置およびメンテナンスの取扱説明書 (8 ページ)

ページを印刷する

Installation and Maintenance Instruction Manual for All

Stainless Steel Gas Actuated Thermometer Model S5500

(non-electrical device) in a configuration for explosion risk areas pursuant to

Directive 2014/34/EU (ATEX)Zone I and II, Category 2, Group II for gas and dust

• Hold the thermometer housing firmly with one hand, and

with the other hand turn the joint piece until the inner

part of the joint is showing in the desired direction of

bend.

• Firmly tighten the aforementioned Screws "A" again.

• Loose the screws marked "B" and move the joint into the

desired direction of bend.

• Firmly tighten the aforementioned Screws "B" again.

8.3.2 Process connection

• Connection only to be undertaken by authorized and

qualified specialist staff.

• Use only with the mechanical process connection

provided – regarding the configuration, see order code

on the device type label.

• When connecting the device without using a

thermowell, the pipes must be depressurized.

• Do not allow any mechanical force to be applied to the

stem; in particular, pay attention to matching the "S"

lengths of the thermometer and the thermowell, to avoid

contact against the base of the thermowell.

• A thermal transfer medium (heat conducting paste) in

the thermowell improves the reaction time and reduces

the measurement error caused by the thermal transfer.

• The minimum capillary line radius is 40 mm (1½˝). Place

it so that it will be protected from damage. Should the

capillary line be too long, coil the surplus neatly at a

convenient point but "DO NOT CUT IT."

• The thermometer system (Bourdon tube, capillary line

and temperature sensing bulb) must not, under any

circumstances be taken apart, or the capillary line cut.

Safety notice:

Only mount using the correct open-jawed

wrench, and do not twist the device itself.

Do not insert moist or oily stems into hot

thermowells

8.4 Starting up

• The precondition for start-up is correct installation. All

connecting lines must be laid such that no mechanical

forces can act on the device.

• Before start-up, the seal on the thermowell in the pipe

must be checked

All sales subject to standard terms and conditions of sale. S5500_Gas_Act_Therm_RevA_(008-10293)_05-26-21

8.4.1 Zero point adjustment

• On thermometers with

an external adjustment

option, remove the plug

at the top of the case and

rotate using a screwdriver

until the pointer is

showing the desired

temperature on the scale

9 SERVICING

9.1 Safety

When undertaking servicing work on the device fitted

without a thermowell, the lines must be depressurized

and the plant secured against being switched on again.

9.2 Check on function and calibration

The check on function and recalibration is carried out

at regular intervals, depending on the application. The

precise testing cycles should be adjusted in line with the

operating conditions and ambient conditions

• Check on display.

• Check the thermowell for damage and seal.

9.3 Cleaning and maintenance

10 FAULT

10.1 Safety

Defective or faulty gauges put the operational safety and

process safety of the plant at risk, and can lead to a risk

or injury to persons, the environment or the plant.

10.2 Conduct in the event of faults

All defective or faulty devices are to be taken out of service.

If a repair is required, the device is to be sent directly to our

Repairs Department. We request that all returns of devices

are agreed with our Service Department.

10.3 Fault table

• Jerky or random movement of the pointer

• No correspondence between the measured value being

displayed and actual temperature

• Damage to housing

• Bended stem or bulb

• Bent or loose pointer

• Cracked window

of 8