Daikin VAM150FA, VAM250FA, VAM350FA, VAM500FA, VAM650FA Installation manuals

INSTALLATION MANUAL

Total Heat Exchanger

HRV (Heat Reclaim Ventilation)

VAM150FA
VAM250FA
VAM350FA
VAM500FA
VAM650FA
VAM800FA
VAM1000FA
VAM1500FA
VAM2000FA

1

A

3419 2 5

B

3419 2 5

600

A

B

90

C

150-250

≥

10

11

12

2
4

13

153

ED

263

G

H

J

2020

416

7

F

8

6

15
16

14

263

153

H

KL

B

325

A

95

C

200-300

650

≥

10

11

12

2

16

4

621

1140

403.5

14.5

568

350

252

315

330

912

130 254 988

380380

254 130

403.5

7

421

898

222 199

8

20 20

6

13

14.5621

15
14

A B C D E F G H J K L

VAM150F
VAM250F
VAM350F
VAM500F 84 197
VAM650F
VAM800F

269 149 104 509 288 560 718

285 164 112 800 416 850 758 812

348

204

140

852 421 902

912

VAM1000F 203 1140 568 1190

145

760

97

132 146

137

89 246 263

988

196 250

200

VAM1500F 710 421 898 ––––––––
VAM2000F 710 568 1168 ––––––––

1

2

2318

415

280

1

280

415

18

5

1

850

VAM500F

758

150-250

13

600-

19

10

11

17

9

10

14

112

11

9

15

16

2

4

ø200

2

■

■

■

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

VAM150F VAM500F VAM1000F

ONTENTS

C

VAM250F VAM650F VAM1500F
VAM350F VAM800F VAM2000F

HRV (Heat Reclaim Ventilation)

age

P

Safety considerations ........................................................................ 1

Dimensions........................................................................................ 1

Installation .........................................................................................1

System...............................................................................................4

Electric wiring ....................................................................................6

Test run............................................................................................17

Wiring diagram ................................................................................18

HRV – Heat Reclaim Ventilation

Please read this installation manual carefully and install
the unit properly to keep it at full capacity for a long time.

Please provide some necessary parts, for example round
hoods, air suction/discharge grilles etc., before the
installation of the unit.

The English text is the original instruction. Other languages are
translations of the original instructions.

Total Heat Exchanger

IMENSIONS

D

Installation manual

(See figure 1 (A = Models 150F~1000F, B = Models 1500F~2000F))

Maintenance space for the heat exchange elements, air filters and
fans

Maintenance cover
Inspection hole ■ 450 mm
Switch box
4x 14x40 mm Ceiling hook (Oval hole)
Exhaust air fan
OA (Outdoor air) Fresh air from outdoors
EA (Exhaust air) Exhaust air to outdoors
Supply air fan
SA (Supply air) Supply air to room
RA (Retun air) Return air from room
Damper plate
Heat exchange elements
Air filters
Applicable duct
Nominal diameter

S

AFETY

CONSIDERATIONS

Please read these "Safety considerations" carefully before installing
air conditioning equipment and be sure to install it correctly. After
completing the installation, make sure that the unit operates properly
during the start-up operation. Please instruct the customer on how to
operate the unit and keep it maintained.

Also, inform customers that they should store this installation manual
along with the operation manual for future reference.

This air conditioner comes under the term “appliances not accessible
to the general public”.

Meaning of warning and caution symbols

WARNING

Do not install HRV or an air suction/discharge grille in the
following places.

WARNING

Place such as machinery plant and chemical plant
where gas, which contains noxious gas or corrosive
conponents of materials such as acid, alkali organic
solvent and paint, is generated.
Place where combustible gas leakag is likely.
Such gas can cause fire.

Place subjected to high temperature or direct flame.
Avoid a place where the temperaure near the HRV unit
and the air suction/discharge air grille exceeds 40°C.
If the unit is used at high temperature, defomed air
filter and heat exchange element or burned motor
result.

■

Place such as bathroom subjected to moisture.
Electric leak or electric shock and other failure can be
caused.

■

Place subjected to much carbon black.
Carbon black attaches to air filter and heat exchange
element, making them unable to use.

■

The equipment is not intended for use in a potentially
explosive atmosphere.

I

NSTALLATION

Installation position

CAUTION

1. Install the unit in a place strong enough to
support its weight.

Poor installation is hazardous. It also causes vibrations
and usual operating noise.

2. Provide the service space and the inspection holes.

(Be sure to provide the inspection holes to inspect the
air filters, the heat exchange elements and fans.)

3. Do not install the unit directly against a ceiling or wall.

(If the unit is in contact with the ceiling or wall, it can
cause vibration.)

Example of Installation, VAM500F (See figure 2), VAM800F
(VAM1000F) (See figure 3), VAM2000F (See figure 4)

Air suction/discharge grille (option)
Inspection hole ■ 450 mm (field supply)
Maintenance space for the heat exchange elements, air filters and

fans
Duct (field supply)
Duct (Ø200) (field supply) or (*) Flexible duct (option)
Branch duct (field supply) (only for VAM800~2000F)
(*) Flexible duct (option)
(*) Silencer (option)
EA (Exhaust air to outdoors)
Heat Insulator (field supply)
OA (Outdoor air) Fresh air from outdoors
Metal suspension bracket for absorbing vibration (field supply)
Suspension bolt (field supply)
Gradient of down to outdoor ≥ 1/50
SA (Supply air to room)
RA (Return air from room)
Round hood (field supply)
Suspension bolt postion
Additional external damper (field supply)

VAM150~2000F
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4PW13545-1C

Installation manual

1

■

■

■

■

■

■

■

■

■

■

■

1

2

1

2

3

4

CAUTIONS
on installing the ducts

The parts marked with (*) are effective in reducing
blowing noise.

When using the unit at a quiet place, use the optional
silencer box and flexible duct at the part of the air
discharge outlet on the indoor side “SA” (supply air to
room) of the unit, to counter the noise.

When selecting installation materials, consider the
required volume of air flow and noise level in that
particular installation.

When the outdoor air infiltrates into the ceiling and the
temperature and humidity in the ceiling become high,
insulate the metal portions of the unit.

The method of installation

VAM150F, VAM250F, VAM350F, VAM500F

12

VAM150F, VAM250F, VAM350F, VAM500F, VAM650F,
VAM800F, VAM1000F

1

2

3

4

VAM1500F, VAM2000F

1

2

3

4

VAM650F, VAM800F, VAM1000F, VAM1500F, VAM2000F

1

22

Screw (accessories)
Duct connecting flange (accessories)

Installation of duct connecting flanges
Attach the provided duct connecting flanges using screws
(accessories).

screws provided screws provided

VAM150 16 VAM650 24
VAM250 16 VAM800 24
VAM350 16 VAM1000 24
VAM500 16 VAM1500 24

VAM2000 24

Ceiling hook
Nut
Washer
Double nuts

Installation of HRV

Install the anchor bolt (M10 to 12) in advance.
Pass the metal suspension bracket through the anchor bolt and
secure the anchor bolt with washer and nut.
(Before installation, check for foreign objects such as vinyl and
paper remaining inside the fan housing.)

The metal suspension bracket is fitted on top of the standard
unit.
If the anchor bolt is long, install it on the bottom of the unit.
(Be sure to screw in the removed mounting screw on top to
prevent air leakage.)
Install the duct caution name plate property on the indoor side
(SA·RA) and outdoor side (EA·OA).

NOTE

Remove the two fixing metals for transportation if it
prevents installation work. (Be sure to screw in the
removed mounting screw on the body side to prevent
air leakage.)

Installation manual

2

VAM150~2000F

Total Heat Exchanger

HRV (Heat Reclaim Ventilation)

4PW13545-1C

1

2

3

4

5

6

7

■

■

■

1.

2.

■

1.

2.

1

2

3

4

5

6

7

8

9

Duct connection

Do not connect the ducts as follows

Extreme bend

Do not bend the duct over 90°

Reduce the diameter of the duct to be connected.

Do not reduce the duct diameter halfway.

The minimal radius of bends for flexible ducts are as follows:
300 mm duct: 200 mm diameter

375 mm duct: 250 mm diameter
To prevent air leakage, wind aluminum tape round the section

after the duct connecting flange and the duct are connected.
Install the opening of the indoor air intake as far as from the

opening of the exhaust suction.
Use the duct applicable to the model of unit used (Refer to the

outline drawing.)
Install the two outdoor ducts with down slope (slope of 1/50 or

more) to prevent entry of rain water. Also, provide insulation for
both ducts to prevent dew formation. (Material: Glass wool of
25 mm thick)

If the level of temperature and humidity inside the ceiling is
always high, install a ventilation equipment inside the ceiling.

Insulate the duct and the wall electrically when a metal duct is to
be penetrated through the metal lattice and wire lattice or metal
lining of a wooden structure wall.

VAM150F, VAM250F, VAM350F, VAM500F, VAM650F,
VAM800F, VAM1000F

Multi bend

3

6

7

8

9

6

7

8

3

Aluminium tape (field supply)
Insulation material (field supply)
Duct connecting flange (option)
Slope over 1/50
Duct connecting flange (option)
SA (Supply air)
RA (Return air)
Connecting chamber
Silencer (option)

HRV

1

VAM1500F, VAM2000F

4

2

1

HRV

Using Ø250 mm round ducts for the SA (supply air) and RA
(return air) sides

Loosen the 12 screws off the SA (supply air) side and remove
the connection chamber. Be sure to tighten up these screws
back in position in order not to allow any air leak from the unit.

Fix the duct connecting flanges (Option) with their
accompanying 12 screws.

4

2
3

1

Introducing the silencers and other options.

This model handles a high air flow rate.
To reduce the blow-out noise, some optional attachments are

available: silencer, flexible duct, thin air intake/exhaust grille, etc.

Remove the connection chamber off the SA (supply air) side
and attach the upper and lower silencers.

Now fix the duct connecting flanges (option) and connect the
Ø250 mm flexible ducts.

5

VAM150~2000F
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4PW13545-1C

Installation manual

3

S

YSTEM

Independent system

Air conditioner linked operation system

Independent system

1-group linked

operation system

Combined
operation system
with VRV systems

and Sky-air series

1

Remote controller

1

for HRV

1 2

Remote controller

1

for air conditioner
(Remote controller
for HRV)

5 5

System

HRV

VRV

VRV

1 2

VRV

HRV

2-wire cord

2

(produced locally)

HRV

Remote controller

2

for air conditioner

VRV

VRV

Standard method

Related items in

Electric wiring

• Up to 16 units can be controlled with the
remote controller for HRV. (A system with
two remote controls can be created in the
master/slave switching.)

• All HRV operations can be used and
indicated.

2

• Operation monitor output and humidifier
operation are possible using Adapter

"When connecting to

Remote controller for

HRV" on page 13

PCB.

• Remote control cord should be procured
locally.
(Maximum cord length: 500 m)

•A combined total of up to 16 air
conditioners and the HRV can be
controlled.

• The HRV ventilation mode can be
operated independently when air
conditioners are not being used.

• Using the local seting of the remote

"Standard 1-group

linked-control

system" on page 13

controller for air conditioners, various
settings such as precool/pre-heat
reservation on/off, ventilation flow rate,
ventilation mode, etc.

• Since all VRV units are connected to a
single line in view of installation, all VRV
units are subjects for operation.

• If there are problems operating all VRV
units, do not use this system.

Multi-group

(2 or more) linked

operation system

NOTE

■ Adapter PCB: KPR50-2 ; Distant control adapter: KRP2A61: Installation box for adapter PCB: KRP50-2A90

■ Operation of two or more group is not possible with direct duct connection.

■ With VAM types, the direct duct connection shown can also be selected for 1-group operation systems.

Direct duct connection system

3 4

5 5

6

Group 1

1

Group 2

2

Group 3

3

System Standard method

VRV

1 2 3

Remote controller

1

for air conditioner
(Remote controller
for HRV)

HRV HRV

Group 4

4

Remote controller

5

for HRV
Distant control

6

adapter

HRV

Remote controller

2

for air conditioner
Duct

3

• The HRV will operate only when the air
conditioner fan is on.

• When the air conditioner is not being
used, the HRV can be operated in
circulation or ventilation modes.

• Other specifications are the same as
those of the standard system.

"Linked control with

more than two

groups" on page 14

Related items in

Electric wiring

"Direct duct

connection system

for 1-group operation

system" on page 14

Installation manual

4

VAM150~2000F

Total Heat Exchanger

HRV (Heat Reclaim Ventilation)

4PW13545-1C

Centralized control system (VRV system).

Centralized

control system

“All”/individual

control system

Zone control

system

System Standard method

VRV VRV

1 1

VRV VRV

1 1

Remote controller

1

for for air conditioner

1

VRV VRV

3 3

2

Adapter PCB for

2

remote controller ,
Schedule timer,
On/Off controller

Related items in

Electric wiring

2

• Use of the on/off controller,
Adapter PCB for remote control
or schedule timer enables

HRV

centralized control of the entire
system.
(maximum of 64 groups)

• The on/off controller can turn
on or off the individual units.

• The schedule timer and on/off

HRV

controller can be used
together. However, the Adapter
PCB for remote control cannot

"“All”/“individual”

control" on page 15

be used with another
centralized control device.

4

• Use of the centralized
controller enables zone control
via the centralized control line.
(maximum of 64 zones)

HRV

• The central controller displays
the “Filter” indication and
abnormality warnings, and
enables resetting.

• The centralized controller
allows ventilation operation for
each zone independently.

"Zone control

system" on page 16

NOTE

HRV HRV HRV

1

2

Zone 1

Zone 2

Remote controller

3

for air conditioner
Central controller

4

Wiring adapter for remote contact: KRP50-2, Adapter PCB for remote control: KRP2A61, schedule timer. DST30B61, on/off
controller. DCS301B61, controller: DCS302B61, BRC1C517

VAM150~2000F
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4PW13545-1C

Installation manual

5

ELECTRIC WIRING

Component electrical specifications

Before obtaining access to terminal devices, all power
supply circuits must be interrupted.

Connection of wiring

■ Connect the wires in accordance with the diagram of each
system.

■ All wiring must be performaed by an authorized electrician.

■ All field supplied parts and materials and electric works must

conform to local codes.

■ Use copper wire only

Connection of wiring

■ A circuit breker capable of shutting down power supply to the
entire system must be installed.

■ A single switch can be used to supply power to units on the
same system. However, branch switches and branch circuit
breakers must be selected carefully.

■ Fit the power supply wiring of each unit with a switch and fuse as
shown in the drawing.

■ Be sure to give the electric grounding (earth) connection.

Complete system example

1

3

4

VRV

VAM

Units
Type
50 Hz
60 Hz
Power

supply
MCA (A)
MFA (A)

Fan motor
KW (kW)
FLA (A)

(*) MCA: Min. Circuit Amps

NOTE

150F 250F 350F 500F 650F 800F 1000F 1500F 2000F

JVE, 5VE JVE, 5VE, 7VE

Power supply Max. 264 V/Min. 198 V
Power supply Max. 242 V/Min. 198 V

(*)

0.9 0.9 1.35 1.35 2.3 3.4 3.4 6.75 6.75
16 16 16 16 16 16 16 16 16

(*)

0.03x2 0.03x2 0.09x2 0.09x2 0.14x2 0.23x2 0.23x2 0.23x4 0.23x4

0.4x2 0.4x2 0.6x2 0.6x2 1.0x2 1.5x2 1.5x2 1.5x2 1.5x2

MFA: Max. Fuse Amps
KW: Moter Rated Output
FLA: Full Load Amps

For details, refer to ELECTRICAL DATA.

Specifications for field supplied fuses and wire

VAM

Type
Power supply

wiring

Field supplied
fuses

Wire
Size
Tr ansmission

wiring
Wire
Size

150F 250F 350F 500F 650F 800F 1000F 1500F 2000F

JVE, 5VE JVE, 5VE, 7VE

16 A

H05VV-U3G

Wire size must comply with local codes

Shield wire (2 wire)

0.75-1.25 mm

2

VRV

2

VRV

2

Power supply wiring
Tr ansmission wiring
Switch

Fuse

1 Outdoor unit
2 Indoor unit
3 Power supply
4 Main switch
5 Remote controller

Precautions

1 Do not connect wires of different gauge to the same power

supply terminal. Looseness in the connection may cause
overheating.

When connecting more than one wire to the power supply
wiring, use a 2 mm2 (Ø1.6) gauge wire.

HRV

5

Same gauge wires Different gauge wires

2 Keep total current of crossover wiring between indoor units less

HRV

5

than 12 A.
When using two power wiring of a gauge greater than 2 mm

(Ø1.6), branch the line outside the terminal board of the unit in
accordance with electrical equipment standards.
The branch must be sheathed so as to provide an equal or
greater degree of insulation as the power supply wiring itself.

3 Do not connect wires of different gauge to the same grounding

terminal. Looseness in the connection may deteriorate
protection.

4 Keep the power supply wiring distant from other wires to prevent

noise.

5 For remote controller wiring, refer to the “Installation manual of

the remote controller.”.

2

Installation manual

6

VAM150~2000F

Total Heat Exchanger

HRV (Heat Reclaim Ventilation)

4PW13545-1C