Overview: Flowchart - Daikin VRV 5 RXYA8A7Y1B Installation And Operation Manual

Special requirements for R32 units
13.4.5

Overview: flowchart

§13.4.1
No safety measure
Make field settings in the indoor unit
accordingly.
Remote controller with R32 safety system
compatibility shall be installed for each indoor unit.
See the requirements in above text.
Is indoor unit installed in occupancy:
1. with sleeping facilities?
2. where an uncontrolled number of people are
present?
3. accessible for persons not familiar with the
necessary safety precautions?
4. Where people are restricted in their
movement.
YES
Alarm system must additionally
warn at a supervised location
with 24-hour monitoring.
Note: The flowchart is an overview. Always refer to the full text mentioned in this manual for clear understanding and detailed explanation.
Installation and operation manual
26
§13.4.2
Alarm
Determine total room area (= total area of the
space with natural ventilation and the space in
which the indoor unit is installed).
See Step 1 in above chapter
Derive total refrigerant charge limit.
See Step 2 in above chapter
Total charge amount
Total charge limit
YES
Is one (or more) of the
four conditions met?
The partition between two rooms on the same
NO
floor MUST meet one of the two requirements
for natural ventilation.
See Step 4 in above chapter
Start installation
§13.4.3
Natural ventilation
Select the SV unit.
Check if smallest room size meets
requirements.
A + A [m²]
1 min
Determine smallest room area served
by same branch pipe port. See step 1 in
above text.
Total charge limit [kg]
Derive maximum indoor capacity to
connect to branch pipe port.
NO
<
Not allowed!
Determine other safety
measure.
Total indoor capacity index
§13.4.4
Shut-off valves
See Step 1 in above chapter
A [m²]
min
See Step 2 in above chapter
Change installation for this port:
1. Increase area of smallest room
OR
2. Reduce connected indoor capacity
below limit
OR
3. Split indoor capacity over 2 separate
SV unit ports
OR
4. Fine tune system with VRV Xpress.
NO
<
Capacity index limit
YES
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P739915-1 – 2023.12