Raychem RRM G010 User manual

Quick
Installation
Manual
(EN)
Rotary Gas Meter
RRM G010/G016/G025/G040/G65
DN050 Class 150 FF
PRECAUTIONS
medium: Natural gas (CH4) - gas family Group 1
operating conditions: p = 0 - 20 barg / t = -25 - 70 °C
mechanical class: M2 - electromagnetic class: E1
Meter can be installed in open air.
Avoid direct sunshine on the meter.
IP-classification of index: IP67
Never use the meter as a spool piece during elding.
The meter must be depressurised before filling or adding oil.
Before removing the meter, the oil should be drained.
The meter should be transported and stored ith the rotor axis horizontal.
Use only devices ith electrical characteristics as recommended (see connection diagram)
The maximum tightening torque on the Pressure and Temperature tapping connections is: 18 Nm
To tighten the s ivel nuts; use 2 renches to avoid over tighten and damage the meter body.
Avoid mechanical shock during handling and transportation of the meter.
Avoid strong magnet fields close to the meter (particular the index), since they can affect the metrological
performance and/or interrupt the pulse generators.
Seal all plugs and sight glasses to overcome fraud and/or theft of gas.
INSTALLATION INSTRUCTIONS
1
Check the meter for damage due to transportation and handling. Insure the impellers turn freely and no objects
or contaminations are in the measuring chamber.
2
The piping on the inlet side of the meter must be clean (free of dirt, elding beads and pipe scale). It is recommended to
install a 100 micron filter upstream of the meter. For ne installations it is recommended to install a mesh ire screen (250 micron)
for the first eeks of operation.
3
Connect the meter inlet to the gas supply side of the line, insuring the gas flo ill be in the same direction as the arro on
the meter body type plate. For P and T positions see figures belo . The pressure reference connection (Pm) is al ays located
on the INLET of the meter.
Left to Right Right to Left Top to Bottom
Pressure tapping High frequency pulser
Temperature tapping Lubrication Point
4
Install the meter ithout piping strain to prevent a binding of the impellers.
Level the meter to ithin 5mm/m side-to-side and front-to-back.

Quick
Installation
Manual
(EN)
connector 2
5
Tighten flange bolts evenly in a crosswise pattern with a
nominal torque of 40 Nm
maximal torque of 50 Nm
Thread Size (T) 5/8"UNC
Thread Length (L) 16 - 24 mm
The specified tightening moments must be observed as much as possible. The values may be exceeded by a maximum of 20%.
These values are determined by means of leakage investigations ith gaskets and guarantee the proper functioning of the gas
meter. In determining the values, the construction of the gas meter and safe use have been taken into account.
6
The meter is shipped without oil in the reservoir. To fill the meter remove the filling plug
and slo ly add oil to the reservoir untill it reaches the centre of the oil gauge (sight glass). In case of
Bottom- Top, please use the oil amount as indicated in the table “indicative oil volume”
Oil sight Glass
3mm
3mm
7
Requirements Index
Max
Min
When lubricating the meter make sure the
follo ing type of oil is used:
Shell Morlina S2 BL10
Please observe the max. admissible electrical ratings for the applicable temperature classes.
If the meter is installed in a zone classified as hazardous area, ensure all connections are connected to intrinsically
safe interfaces according to IEC 60947-5-6 ( AMUR)!
connections connector 1
connector 1
connector vie
female
male
Each circuit 1&4, 2&5, 3&6 may be connected to linked (multi-channel single IS source) or separate intrinsically safe sources hich
are certified [Ex ia IIC] such that the series or parallel combinations of all 3 channels do not exceed 51V, 35mA and 700mW(T4),
400 mW(T5) and 80mW(T6).
8
Slo ly pressurize the meter to avoid overloading.
Do not exceed 350 mBar/second maximum when pressurizing. Rapid pressurization can cause an over-speed
condition which may damage the meter. Resulting damage is OT covered by warranty!
9
An indication of the meter condition can be obtained by analysing the pressure drop over the meter.
It is recommended that the pressure drop over the ne meter is measured and recorded in the meter records.
Future measurements can be compared to this value.
Intrinsically
safe
input
parameters
Sensor(s)
Type
3711 MSR
EC
type
examination
certificate:
BASEEFA 11ATEX0280X
Temp. Class Ui (V) Ii (mA) Pi (mW) Ci (nF) Li (uH)
T4 51 35 700 0 0
T5 51 35 400 0 0
T6 51 35 80 0 0
Indicative
Oil
volume
horizontal position:
31cc
vertical
position:
70cc
sensor output pin
3711 LF1 1 / 4
3711 LF2 2 / 5
3711 Tamper 3 / 6