15 Glossary
Installer reference guide
91
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1C – 2017.04
14.6
ESP curve: Indoor unit
Note:
A flow error will occur when the minimum water flow rate is not
reached.
EHBH/X04=RHBH/X04
70
60
50
40
30
20
10
0
0
5
10
15
20
25
30
A (kPa)
B (l/min)
C
4D090624-1A
EHBH/X08=RHBH/X08
70
80
60
50
40
30
20
10
0
0
5
10
15
20
25
30
35
A (kPa)
B (l/min)
C
4D090624-1A
A
External static pressure
B
Water flow rate
C
Operation range
Operation area is extended to lower flow rates only in case the unit
operates with heat pump only. (Not in startup, no backup heater
operation, no defrost operation).
ESP=External static pressure [kPa] in the space heating/cooling
circuit.
Flow=Water flow through the unit in the space heating/cooling
circuit.
Notes:
▪ Selecting a flow outside the area of operation can cause damage
or malfunction of the unit. See also the minimum and maximum
allowed water flow range in the technical specifications.
▪ Water quality MUST be according to EN directive EC98/83EC.
15
Glossary
Dealer
Sales distributor for the product.
Authorized installer
Technical skilled person who is qualified to install the
product.
User
Person who is owner of the product and/or operates the
product.
Applicable legislation
All international, European, national and local directives,
laws, regulations and/or codes that are relevant and
applicable for a certain product or domain.
Service company
Qualified company which can perform or coordinate the
required service to the product.
Installation manual
Instruction manual specified for a certain product or
application, explaining how to install, configure and maintain
it.
Operation manual
Instruction manual specified for a certain product or
application, explaining how to operate it.
Maintenance instructions
Instruction manual specified for a certain product or
application, which explains (if relevant) how to install,
configure, operate and/or maintain the product or
application.
Accessories
Labels, manuals, information sheets and equipment that are
delivered with the product and that need to be installed
according to the instructions in the accompanying
documentation.
Optional equipment
Equipment made or approved by ROTEX that can be
combined with the product according to the instructions in
the accompanying documentation.
Field supply
Equipment not made by ROTEX that can be combined with
the product according to the instructions in the
accompanying documentation.
