Code Alarm CA180 Servisní příručka

GfG GESELLSCHAFT FÜR GERÄTEBAU MBH▐ KLÖNNESTRASSE 99▐ D-44143 DORTMUND▐ TELEPHONE +49 / (0) 2 31 / 5 64 00 –0 ▐ FAX +49 / (0) 2 31 / 51 63 13 INF

-12- Value in “measuring unit” means that the displayed figure stands for either % LEL or Vol.%. Reading in Vol.% applies only to the gas ammonia. A

-13- A fault of the transmitters is indicated by the constantly lit yellow fault LED, the current interface provides 1.2 mA an error message is shown

-14- 3. After correct entering the display shows alternating the current measurement value and the reading ZERo. When the measurement value remains c

-15- 1. Press key SPAN INFO for at least 3 seconds to activate the AutoCal program. During the whole procedure the current interface provides 2.0 m

-16- The standard service menu is activated with code 1100 . It allows to adjust the calibration gas concentration and, with model CC28 DA, all valu

-17- This function allows to select explicitly all parameters for different types of gas, which are stored in the sensor. You can see only those gases

-18- In the standard service menu the display shortly reads fAiL and then the current value (step 2). 4. For leaving menu point SCAL press key QUI

-19- The final reset is only enabled after a zeropoint adjustment has been done with the sensor plugged in. Menu point CLMAS – Adjustment of cali

-20- Menu point F1, F2 – Adjustment of alarm functions (only visible at model CC28 DA) 1. Activate menu point F1 resp. F2. 2. The display reads t

-21- Sensor Replacement The sensors MK 208-1, MK 217-1 and MK 218-1 are supplied with an EEPROM which stores the sensor data (serial number etc.), the

-4- Content Page For your Safety 5 Operational Hints 5 General Description 6 Detection Principle 6 Design 7 Mounting Position of Transmitter

-22- If the transmitter is set to 100%, but the fit sensor had already been used in another unit which was set to 50 % or 75 %, the display will also

-23- Special Status and relevant Error Messages The table below describes those special status which cause the yellow fault LED to be lit permanently

-24- Messages in detection mode No Display green LED yellow LED Output Cause Action 30 " ---- " permanent On flashing quickly 22 mA Ga

-25- In detection mode the messages listed in the second column are indicated alternating with the measurement value. The readings described in No.33

-26- After installation and during the initial putting into operation gas warning equipment have to be checked for function by an expert (see DIN EN 5

-27- Function Restrictions depending on Oxygen Concentration Take note, that the measurement of gas and/or vapour concentrations in the range up to 10

-28- Spare Part List Part-No. Cap and minor parts for 5 units 2800301 Casing top screws for 5 units 2800302 Casing bottom for CC28 2800303 Cas

-29- Connection Diagram CC 28 - with 4 .. 20 mA Output 24 V GND 4 – 20mA GMA101 5 1 2 GMA100 5 1 2 with mother

-30- Terminal Diagram MWG CC28 3 – wire connection Max. load 150 Ohm I = 4 - 20 mA CC28 15.0 V - 30.0 V R1 U= 1 2 4 * 3 4 – wire connection

-31- Sensor specification MK208-1 Catalytic combustion sensor for combustible gases and vapors (according to EN 61779-4) Response time t50: ≤

-5- For your Safety According to § 3 of the law about technical working media, this manual points out the proper use of the product and serves to prev

-32- Technical Data 3 Transmitter CC28 Transmitter type: CC28 ; CC28 D and CC28 DA Sensor type: MK 208-1 ; MK 217-1 and MK 218-1 Expected senso

-33- Annex Internal Memory CC28 Every transmitter is pre-programmed with the data of the most important gases and their additional parameters. In mos

-34- EC-Type Examination Certificate

-35-

-36-

-6- General Description A fixed gas monitoring system consists of a transmitter and a controller (GMA), which are connected by means of cable. The tr

-7- Design The type label shows the transmitter type. The sensor enclosure includes the sensor and the sensor card,

-8- ! Always connect the remote control RC2 only for servicing a transmitter without display. The remote control RC2 may be used in explosion endanger

-9- The transmitter is to a great extent protected against the ingress of water and dust (IP 64). Special accessories are available to provide additio

-10- In case the transmitter is not operated on a GMA controller, the operational voltage of the mains unit must not exceed 30 V DC. Fix the casing

-11- Detection Mode In detection mode the display shows the current gas concentration. The display reading is always identical with the display of th