4 About the units and options
Installer and user reference guide
9
RWEYQ8~1 RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1 – 2017.04
2
2
3
5
1
(12.3 N·m)
4
About the units and options
4.1
Overview: About the units and
options
This chapter contains information about:
▪ Identification of the outdoor unit
▪ Where the outdoor unit fits in the system layout
▪ With which indoor units and options you can combine the outdoor
units
▪ Which outdoor units have to be used as standalone units, and
which outdoor units can be combined
4.2
Identification label: Outdoor unit
Location
Model identification
Example:
RW E Y Q 8 T9 Y1 B [*]
Code
Explanation
RW
Water-cooled
E
Heat pump system
Y
Heat recovery system
Q
Refrigerant R410A
8
Capacity class
T9
Model series
Y1
Power supply
B
European market
[*]
Minor model change indication
4.3
About the outdoor unit
This installation manual concerns the VRV IV water-cooled system
air conditioner. The unit is full inverter driven, and can be used for
cooling, heat pump and heat recovery applications.
Model line up:
Model
Description
RWEYQ8~14
Heat recovery model for single or multi-use
Depending on the chosen type of unit, some functionality will or will
not exist. It will be indicated throughout this installation manual and
brought to your attention. Certain features have exclusive model
rights.
These units are intended for indoor installation and aimed for heat
pump applications including water to air and water to water
applications.
These units have (in single use) heating capacities ranging from 25
to 45 kW and cooling capacities ranging from 22.4 to 40 kW. When
multi combination is used, the capacity can go up to 135 kW for
heating and 120 kW for cooling.
The unit is designed to work in heating mode at indoor temperatures
from 15°C WB to 27°C WB and in cooling mode at indoor
temperatures from 21°C DB to 32°C DB or 14°C WB to 25°C WB.
The ambient temperature around the unit should be above 0°C DB
and below 40°C DB. Relative humidity around the unit should be
below 80%.
The water temperature at the water inlet of the unit must be between
10°C and 45°C. The lower limit is extendable down to –10°C
(heating operation mode) in case the brine type setting [2‑50] is set
for use with brine as heat source medium.
4.4
System layout
INFORMATION
Not all combinations of indoor units are allowed, for
guidance, see
