Endress+Hauser EngyCal RH33 Technical specifications
Brief operating instructions
EngyCal® RH33
BTU meter
These instructions are Brief Operating Instructions.
For detailed information, refer to the Operating Instructions and other
documentation on the CD-ROM provided or under "www.endress.com/
deviceviewer".
These Brief Operating Instructions do not replace the Operating Instructions.
The complete device documentation consists of:
• These Brief Operating Instructions
• A CD-ROM with:
– The Operating Instructions.
– Approvals and safety certificates.
– Other device-specific information.
KA00289K/09/EN/01.11
71134230
Table of contents EngyCal® RH33
2 Endress+Hauser
Table of contents
1 Safety instructions ......................................... 3
1.1 Designated use ............................................... 3
1.2 Installation, commissioning and operation .................................. 3
1.3 Operational safety .............................................. 3
1.4 Return ................................................... 3
1.5 Notes on safety conventions and icons .................................... 3
2 Identification ............................................. 5
2.1 Device tag ................................................. 5
2.2 Scope of delivery .............................................. 6
2.3 Certificates and approvals .......................................... 6
3 Installation .............................................. 7
3.1 Incoming acceptance, transport and storage ................................. 7
3.2 Dimensions ................................................. 8
3.3 Installation conditions ........................................... 11
3.4 Installation instructions ........................................... 11
3.5 Temperature sensor installation instructions ................................. 16
3.6 Requirements for dimensioning ....................................... 17
3.7 Post-installation check ........................................... 17
4 Wiring ................................................. 18
4.1 Connection requirements ......................................... 18
4.2 Quick wiring guide ............................................. 18
4.3 Connecting the sensors ........................................... 21
4.4 Outputs .................................................. 26
4.5 Communication .............................................. 26
4.6 Post-connection check ........................................... 28
5 Operation .............................................. 29
5.1 General notes for operation ......................................... 29
5.2 Display and operating elements ....................................... 29
5.3 Operating matrix .............................................. 32
6 Commissioning ........................................... 33
6.1 Quick commissioning/make it run ..................................... 33
EngyCal® RH33 Safety instructions
Endress+Hauser 3
1 Safety instructions
Safe operation of the device is only guaranteed if the Operating Instructions have been read and
the safety instructions they contain have been observed.
1.1 Designated use
The BTU meter is a device for measuring energy flow in heating and cooling systems. The
linepowered arithmetic unit can be used universally in industry, long-distance heat and building
systems.
• The manufacturer cannot take responsibility for any damage caused by misuse of the device.
It is not permitted to make any changes or reconstruction to the device.
• The device may be operated in built-in state only.
1.2 Installation, commissioning and operation
The device is safely manufactured using state-of-the-art technology and complies with the
respective regulations and EU Directives. The device could be dangerous if it is incorrectly
installed or used.
Installation, wiring and maintenance of the device must be carried out only by trained, skilled
personnel authorized to perform such work and instructed by the facility's owner-operator. The
skilled personnel must have read and understood these Operating Instructions and it is mandatory
for them to follow the instructions they contain. The operator must ensure that the measuring
system is correctly wired in accordance with the wiring diagrams. When the housing cover is
removed, the shock protection is disabled (danger of electrocution). The housing may be opened
by trained skilled personnel only.
The device may be operated in built-in state only.
1.3 Operational safety
Technical improvement
The manufacturer reserves the right to improve and update the technical details. For details of
improvements or additions to these instructions, please contact your local sales organization.
1.4 Return
For a return, e.g. in case of repair, the device must be sent in protective packaging. The original
packaging offers the best protection. Repairs must only be carried out by your supplier's service
organization.
When sending in for repair, please enclose a note with a description of the error and the
application.
1.5 Notes on safety conventions and icons
The devices are safely manufactured and tested using state-of-the-art technology and have left
the factory in safety-related flawless condition. The devices comply with the respective
regulations and EU Directives. The devices could be dangerous if incorrectly installed or used.
Safety instructions EngyCal® RH33
4 Endress+Hauser
Therefore, consequently observe safety notes which are labeled with the following safety icons
and symbols in these operating instructions:
Symbol Meaning
DANGER
A0011189-EN
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will
result in serious or fatal injury.
WARNING
A0011190-EN
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in serious or fatal injury.
CAUTION
A0011191-EN
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in minor or medium injury.
NOTICE
A0011192-EN
NOTICE!
This symbol contains information on procedures and other facts which do not result
in personal injury.
EngyCal® RH33 Identification
Endress+Hauser 5
2 Identification
2.1 Device tag
2.1.1 Nameplate
Compare the nameplate on the device with the following figure:
A0013583
å 1 Device nameplate (example)
1Device tag
2 Order code and serial number
3 Supply voltage
4 Power consumption
5 Firmware version
6 Approvals, if available
7 Ambient temperature range
8 Device revision
9 Equipment protected throughout by double insulation or reinforced insulation
10 Place and year of manufacture
2.1.2 Front foil for devices with approval for custody transfer
For devices with the option of approval for custody transfer, the front foil is imprinted with the
following information:
Identification EngyCal® RH33
6 Endress+Hauser
A0013584
å 2 Labeling of front foil for devices with approval for custody transfer
2.2 Scope of delivery
The scope of delivery of the BTU meter comprises:
• BTU meter (field housing)
• Brief Operating Instructions in paper form, Operating Instructions and additional
documentation (on CD-ROM)
• Optional temperatur sensors TR10
• Optional interface cable and DVD set with FieldCare Device Setup parameter configuration
software
• Optional Field Data Manager software MS20
• Optional mounting hardware for top-hat rail, panel mounting, pipe mounting
• Optional overvoltage protection
Please note the device accessories in Section 8 ’Accessories’ of the Operating Instructions
on CD-ROM.
2.3 Certificates and approvals
The BTU meter and the optionally available paired temperature sensors fulfill the requirements
of Directive 2004/22/EC (Measurement Instruments Directive, MID) and OIML R75 and
EN-1434.
If the arithmetic unit with temperature sensors is to be used in commercial applications, the flow
sensor must also have a type approval (incl. conformity assessment) according to MID.
Measuring devices with MID approval have the MID mark on the front foil. ((® å 1, ä 5)).
This approval replaces the initial calibration on-site.
On request, the calibrated arithmetic unit is shipped from the factory preset, but can also be
adjusted individually on-site. Custody transfer-related parameters, such as the pulse value of the
flow transmitter, can be changed up to three times. The changes to the custody transfer-related
parameters are recorded in a custody transfer logbook. This allows individual defective sensors
to be replaced in the field without losing the custody transfer status.
EngyCal® RH33 Installation
Endress+Hauser 7
The device also has a national approval as a BTU meter for cooling or for combined heating/
cooling applications. The initial calibration of these devices is always carried out on-site by a
calibration officer.
CE mark, declaration of conformity
The device is safely built and tested according to state-of-the-art technology and has left the
factory in perfect condition as regards technical safety. The device meets the relevant standards
and directives as per EN 61010-1 "Safety requirements for electrical equipment for measurement,
control and laboratory use".
Thus, the device described in these Operating Instructions meets the legal requirements of the
EU Directives. The manufacturer confirms successful testing of the device by affixing to it the
CE mark.
3 Installation
3.1 Incoming acceptance, transport and storage
The permitted environmental, storage and transportation conditions must be complied with. For
detailed specifications, refer to the "Technical data" chapter in the Operating Instructions on CD-
ROM.
3.1.1 Incoming acceptance
On receipt of the goods, check the following points:
• Are the packaging or contents damaged?
• Are the delivered goods complete? Compare the scope of delivery with your order information.
3.1.2 Transport and storage
Observe the following points:
• Pack the device in such a way as to protect it reliably against impact for storage (and
transportation). The original packaging provides optimum protection.
• The permitted storage temperature range is –40 to +85 °C (–40 to +185 °F); storage in the
temperature limit ranges is possible for a limited time only (maximum of 48 hours).
Installation EngyCal® RH33
8 Endress+Hauser
3.2 Dimensions
A0013438
å 3 Dimensions of the device
EngyCal® RH33 Installation
Endress+Hauser 9
A0014169
å 4 Dimensions of mounting plate for wall, pipe and panel mounting
A0014171
å 5 Dimensions of the panel cutout
Installation EngyCal® RH33
10 Endress+Hauser
A0014610
å 6 Dimensions of top-hat rail adapter
A0015313
å 7 Dimensions of the thermometer TR10 (optional)
LImmersion length, as specified in the order
IL Insertion length = L + neck tube length (80 mm (3.15 in)) + 10 mm (0.4 in)
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