Daikin RXYQ26PY1 Installation Manual download pdf (Page 8)

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2-2 Standard operation limit

The figures below assume following operating conditions for indoor

and outside units:

Equivalent pipe length .....................................................7.5m

Level difference ..................................................................0m

Cooling Heating

A Inlet water temperature (°C)

B Indoor temperature (°CWB)

C Indoor temperature (°CDB)

Range for continuous operation

Range for operation

Range for pull down operation

Range for warming up operation

• Operation range of water volume is 50-150L/min

• The unit is designed for the following operation range:

Water temperature: 20-35°C

Water volume: 60 L/minute or more

• During cooling operation when the outside temperature is very

low, it is possible that the thermostat switches off automatically in

order to protect the unit from freezing.

• Hold ambient temperature at 0-40°C

Heat-release from the unit: 0.71 kW/10Hp/hour.

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

• Declaration of conformity

•Clamp (A)

•Clamp (B)

2. • Accessory pipe (1)

• Accessory pipe (2)

• Accessory pipe (3)

Note

The accessory pipe (1), (3) is not used for the heat pump system.

2-4 Option accessory

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 system〉

〈Heat recovery system ..... For 3-tube piping〉

〈Heat recovery system ..... For 2-tube piping〉

• 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”

2-5 Technical and electrical specifications

Refer to the Engineering Data Book for the complete list of specifica-

tions.

3. SELECTION OF LOCATION

This unit does not have specifications for outdoor installation.

The unit must be installed indoors (example: machine room, …)

Always install it in a room.

(machine room, etc.)

Paying attention to the conditions mentioned below, select the place

for installation with a prior approval of customer.

The foundation is strong enough to support the weight of the unit

and the floor is flat to prevent vibration and noise generation.

Consider the space required for refrigerant piping work when

installing. Refer to [Necessary Space].

There is no danger of fire due to leakage of inflammable gas.

The piping length between the outside unit and the indoor unit

may not exceed the allowable piping length. “9. REFRIGERANT

PIPING”.

Locations where the noise of the unit operating will not disturb

nearby houses, etc.

Locations with airflow and ventilation holes capable of dissipating

heat from the machine and where the ambient temperature

around the outside unit is between 0 and 40°C and the humidity

does not exceed 80%.

[Necessary Space]

When installing, secure the space mentioned below without fail.

(Refer to figure 2)

1. In case of a single installation [mm]

2. In case of series installations [mm]

3. Top view

4. Side view

5. Outside unit

6. Service Space (front side)

7. Service Space (back side)

8. Space for installing water piping

∗Secure a enough space for removing the front panel.

9. Ventilation Space

∗above the area ( ) of the outside unit.

10. Secure spaces in the front, back and top sides as same

as the case of single installation.

Caution

An inverter air conditioner may cause electronic noise gener-

ated from AM broadcasting. Examine where to install the main

air conditioner and electric wires, keeping proper distances

away from stereo equipment, personal computers, etc.

(Refer to figure 3)

1. Indoor unit

2. Branch switch, overcurrent breaker

Name

Accessory pipes

(1) (2) (3)

Quantity 1 pc. 1 pc. 1 pc.

Shape

Name Clamp (A) Clamp (B)

[Others]

• Installation

manual

• Operation

manual

• Declaration of

conformity

Quantity 7 pcs. 2 pcs.

Shape

1510 20 25 30

10 15 20 25 30

(Note)

THIN

THICK

White

Black

REFNET header KHRP26M22H KHRP26M33H KHRP26M72H KHRP26M73H

REFNET joint KHRP26A22T KHRP26A33T KHRP26A72T KHRP26A73T

REFNET header KHRP25M33H KHRP25M72H KHRP25M73H

REFNET joint KHRP25A22T KHRP25A33T KHRP25A72T KHRP25A73T

REFNET header KHRP26M22H KHRP26M33H KHRP26M72H KHRP26M73H

REFNET joint KHRP26A22T KHRP26A33T KHRP26A72T KHRP26A73T

Number of outside units

connected

2 units 3 units

Heat pump system BHFP22MA56 BHFP22MA84

Heat recovery system BHFP26MA56 BHFP26MA84

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Daikin RXYQ26PY1 Installation Manual Page 8

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