• VRV
®
Systems • Installation procedure
3
• Installation procedure
1
Installation of outdoor
1 - 1 Introduction
This installation manual concerns VRV inverters of the Daikin RWEYQ-M series. These units are designed for indoor installation and used for cooling
and heatpump applications.
The RWEYQ-M units can be combined with Daikin VRV series indoor units for air conditioning purposes.
The present installation manual describes the procedures for unpacking, installing and connecting the RWEYQ-M units. Installation of the indoor units
is not described in this manual. Always refer to the installation manual supplied with these units for their installation.
1 - 1 - 1
Combination
The indoor units can be installed in the following range.
•
Always use appropriate indoor units compatible with R410A.
To lean which models of indoor units are compatible with R410A, refer to the product catalogs.
•
Total capacity/quantity of indoor units
<Outside unit > <Total capacity index of indoor units> <Total quantity of indoor units >
RWEYQ10MY1...................125 ~ 325
16 units
RWEYQ20MY1...................250 ~ 650
20 units
RWEYQ30MY1...................375 ~ 975
32 units
1 - 1 - 2
Standard operation limit
The figures below assume following operating conditions for indoor and outside units:
Equivalent pipe length ........................................ 7.5m
Level difference .................................................. 0m
•
Operation range of water volume is 50-150L/min
•
Design in the following condition range
water temp. : 20-35°C
water volume : 60L/min more
•
When cooling condition load is small, thermostat-off may be carried out for freeze-up protection
•
Hold ambient temperature at 0-40°C
Heat rejection from the casing: 0.71kw/10HP
Cooling
Heating
Range for continuous operation
Range for operation
Range for pull down operation
Range for warming up operation
Indoor temperature (°CWB)
10 15 20 25 30
45
40
35
30
25
20
15
10
Inlet water temperature (°C)
Indoor temperature (°CWB)
10 15 20 25 30
45
40
35
30
25
20
15
10
Inlet water temperature (°C)
