Daikin RWEYQ144PTJU [11/95] Introduction
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Daikin RWEYQ144PTJU [11/95] Introduction

Daikin RWEYQ144PTJU [11/95] Introduction
Installation Manual EDUS301214-N
10 Installation of Outside Units
3P153897-12X
2. INTRODUCTION
This installation manual concerns VRV inverters of the Daikin
RWEYQ-P series. These units are designed for indoor installation and
used for cooling and heat pump applications.
The RWEYQ-P units can be combined with Daikin VRV series indoor
units for air conditioning purposes.
The present installation manual describes the procedures for unpack-
ing, installing and connecting the RWEYQ-P units. Installation of the
indoor units is not described in this manual. Always refer to the installa-
tion manual supplied with these units for their installation.
2-1 Combination
The indoor units can be installed in the following range.
• Always use appropriate indoor units compatible with R410A.
To learn which models of indoor units are compatible with
R410A, refer to the product catalogs.
• Total capacity/quantity of indoor units
¢
Outside unit
²¢
Total capacity index of indoor units
²¢
Total quantity of indoor units
²
RWEYQ72PYDN/TJU
....... 36 ~ 93.5 12 units
RWEYQ84PYDN/TJU
....... 42 ~ 109 14 units
RWEYQ144PYDN/TJU
..... 72 ~ 187 20 units
RWEYQ168PYDN/TJU
..... 84 ~ 218 20 units
RWEYQ216PYDN/TJU
... 108 ~ 280 22 units
RWEYQ252PYDN/TJU
... 126 ~ 327.5 32 units
2-2 Standard operation limit
The figures below assume following operating conditions for indoor and
outside units:
Equivalent pipe length ..................................................... 25 ft
Level difference.................................................................. 0 ft
Cooling Heating
¢In case of antifreeze usage²
Cooling Heating
A Entering water temperature (°F)
B Indoor temperature (°FWB)
C Indoor temperature (°FDB)
Range for continuous operation
Range for operation
Range for pull down operation
Range for warming up operation
• Operation range of water flow rate is 13.2~39.6 gpm. (21.2~39.5 gpm
in case of antifreeze usage.)
• The unit is designed for the following operation range:
Entering water temperature: 67~95°F
Water flow rate: 16 gpm or more
s#ANBEEXPANDEDDOWNTO&INHEATINGAND&INCOOLING!PPLICATION
RULESAPPLYCONTACTYOURLOCAL$AIKIN3ALESOFFFORDESIGNASSISTANCE
0RIOR$AIKINDEALERCONSULATIONISNECESSARYFORHEATSOURCEEQUIPMENT
• Hold ambient temperature at 35~°F
Heat-release from the unit: 2 Btu.
It is therefore recommended to always ventilate the room.
2-3 Standard supplied accessories
• Make sure that the following accessories are included.
(Check by removing the front panel.)
(Refer to figure 1)
1. • Operation manual
• Installation manual
•Clamp (A)
•Clamp (B)
• Conduit mounting plate
2. Accessory pipes
• For discharge gas
• For suction gas (1)
• For suction gas (2)
NOTE
The accessory pipe for discharge gas is used for the heat recovery sys-
tem. (Not used for the heat pump system.)
2-4 Option accessories
To install the above outside units, the following optional parts are also
required.
• Refrigerant branching kit
(For R410A only: Always use an appropriate kit dedicated for your
system.)
¢Heat pump system²
¢Heat recovery system ..... For 3-tube piping²
¢Heat recovery system ..... For 2-tube piping²
• Outside unit multi connection piping kit
(For R410A only: Always use an appropriate kit dedicated for
your system.)
To select an optimum kit, refer to “9. REFRIGERANT PIPING”
50
60
70
80
90
100
110
120
50
60
70
80
90
100
110
120
6050 70 80 90 6050 70 80 90
AA
CB
20
60
70
80
90
100
110
120
10
60
70
80
90
100
110
6050 70 80 90 6050 70 80 90
50
50
40
40
30
30
20
AA
CB
Name
Accessory pipes
For discharge
gas
For suction
gas (1)
For suction
gas (2)
Clamp (A) Clamp (B)
Quantity 1 pc. 1 pc. 1 pc. 7 pcs. 2 pcs.
Shape
Name Conduit mounting plate
[Others]
•
Installation manual
•
Operation manual
Quantity 2 pcs. 2 pcs.
Shape
REFNET header
KHRP26M22H9 KHRP26M33H9 KHRP26M72H9
KHRP26M73HU9
REFNET joint
KHRP26A22T9 KHRP26A33T9
KHRP26M72TU9 KHRP26M73TU9
REFNET header
KHRP25M33H9 KHRP25M72H9
KHRP25M73HU9
REFNET joint
KHRP25A22T9 KHRP25A33T9
KHRP25M72TU9 KHRP25M73TU9
REFNET header
KHRP26M22H9 KHRP26M33H9
KHRP26M72H9 KHRP26M73HU9
REFNET joint
KHRP26A22T9 KHRP26A33T9
KHRP26M72TU9 KHRP26M73TU9
Number of outside units
connected
2 units 3 units
Heat pump system BHFP22MA56U BHFP22MA84U
Heat recovery system BHFP26MA56U BHFP26MA84U
(Note)
White
Black

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