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another manufacturer's condenser in
used, operation and performance
may be degraded. Depending on the
fan settings, malfunctioning may
damage the RTUB due to instability
of the high pressure.
Sound and vibration attenuating
device installation on the discharge
lines is strongly recommended in
order to avoid any acoustical
annoyance and distubing vibrations
leading to discharge line failures.
ƽƽ WWAARRNNIINNGG
If the condenser connected to a dual-
circuit RTUB is not an RTCA, it must
comprise two refrigerant circuits,
each with its own ventilation. The
ventilation cannot be common to the
two circuits.
For this type of installation, (non-
RTCA condenser), an On/Off signal is
available on the unit control module
(UCM) of the RTUB for each
refrigerant circuit, indicating whether
the fans on each condenser circuit
are on or off. The now autonomous
control of the fan on each condenser
circuit must comprise the following
staging:
For an ambient temperature between
0 and 40°C, there must be four
airflow control stages for each circuit
(i.e. 25% of the nominal airflow in
each stage).
Installation
13 2
57
1 Sensor
2 Connector
3 Brazed connector on the condenser
Figure 10 - Detail of positions of refrigerant sensors 5R56-1 and 5R6-2
RLC-SVX03A-E4