Symptom: The Compressor In The Outdoor Unit Does Not Stop After A Short Heating Operation; Symptom: The Inside Of An Outdoor Unit Is Warm Even When The Unit Has Stopped; Symptom: Hot Air Can Be Felt When The Indoor Unit Is Stopped; Relocation - Daikin VRV IV-S RXYSQ4T8VB Series Installation And Operation Manual

8.2.16 Symptom: The compressor in the outdoor
unit does not stop after a short heating
operation
This is to prevent refrigerant from remaining in the compressor. The
unit will stop after 5 to 10 minutes.
8.2.17 Symptom: The inside of an outdoor unit is
warm even when the unit has stopped
This is because the crankcase heater is warming the compressor so
that the compressor can start smoothly.
8.2.18 Symptom: Hot air can be felt when the
indoor unit is stopped
Several different indoor units are being run on the same system.
When another unit is running, some refrigerant will still flow through
the unit.

For the installer

11

About the box

11.1

About

is part of Daikin's wider commitment to reduce our
environmental footprint. With
economy for refrigerants. One of the actions to achieve this, is the
reuse of reclaimed refrigerant in VRV units produced and sold in
Europe. For more information about the countries that are in scope,
visit: http://www.daikin.eu/loop-by-daikin.
11.2

Outdoor unit

11.2.1 To remove the accessories from the
outdoor unit
1 Remove the service cover. See
unit" [ 4 16].
2 Remove the accessories.
3 Remove the service cover. See
unit" [ 4 16].
4 Remove the accessories.
a
+
a General safety precautions
b Outdoor unit installation and operation manual
c Fluorinated greenhouse gases label
d Multilingual fluorinated greenhouse gases label
e Gas piping accessory 1 + copper gasket (only for
RXYSQ6)
f Gas piping accessory 2 (only for RXYSQ6)
g Gas piping accessory 3 (only for RXYSQ6)
RXYSQ4~6T8V/YB(*)
VRV IV-S system air conditioner
4P482275-1B – 2020.10
we want to create a circular
"To open the outdoor
"To open the outdoor
b c d
1× 1× 1×
e f g
1× 1×
9

Relocation

Contact your dealer for removing and reinstalling the total unit.
Moving units requires technical expertise.
10

Disposal

This unit uses hydrofluorocarbon. Contact your dealer when
discarding this unit.
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
12

About the units and options

12.1

About the outdoor unit

This installation manual concerns the VRV, full inverter driven, heat
pump system.
These units are intended for outdoor installation and aimed for air to
air heat pump applications.
Specification
Capacity
Ambient design
temperature
12.2

System layout

NOTICE
Design of the system must not be done at temperatures
below –15°C.
a
1×
b c c
d
1×
a VRV IV-S Heat pump outdoor unit
b Refrigerant piping
c VRV direct expansion (DX) indoor unit
d User interface (dedicated depending on indoor unit type)
e BP box (required to connect Residential Air (RA) or Sky Air
(SA) direct expansion (DX) indoor units)
f Residential Air (RA) direct expansion (DX) indoor units
g User interface (wireless, dedicated depending on indoor
unit type)
9 Relocation
RXYSQ4~6
Heating 14.2~18.0 kW
Cooling 12.1~15.5 kW
Heating –20~15.5°C WB
Cooling –5~46°C DB
e e
f f
d
g g
Installation and operation manual
15