Samsung IDH4400A User manual

AIR CONDITIONER CONTENTS
1. Product Specifications
2. Installation
3. Operating Instructions
4. Troubleshooting
5. Disassembly and Reassembly
6. Exploded Views and Parts List
7. Schematic Diagrams
SERVICE Manual
DUCT TYPE AIR CONDITIONER
(Cool)
IDH4400A
DH44ZA1(A2)
INDOOR UNIT
ADH4400G
DH44ZA1(A2)
TYPE OUTDOOR UNIT
UDH4400G
DH44ZAX
1-00216A(1)-CO 5/19/01 10:04 AM Page 2

1. Product Specifications
1-1 Table of Specifications
Samsung Electronics 1-1
IDH4400G / DH44ZA1(A2)
UDH4400G / DH44ZAX
45,000
13,200
54,900
16,100
3ø 380-415V~ 50Hz
4.8
5.3
8.5
9.2
940
880
850
790
36
34
32
30
49
48
47
Wave fin coil
3 x 14 x 1.7(900mm)
Siroco
211
390
1,110
650
70/78
900
500
90
65
propeller
114
scroll
ZR61KC-TFD
MODEL
Capacity
Power supply
Power input
Running current
Indoor
unit
Outdoor
unit
INDOOR UNIT
OUTDOOR UNIT
Cooling
Heating
Cooling
Heating
Cooling
Heating
Fan speed
(at 0mmAq)
Air
circulation
Noise Level
(Sound
pressure)
Heat
exchanger
Fan
Dimensions
Weight
Fan speed
Air circulation (Hi)
Sound pressure level
Fan
Compressor
H.H
Hi
Med
Low
H.H
Hi
Med
Low
Hi
Med
Low
type
row x stages x fin pitch
type
motor output
H
W
D
kg
Hi
Low
type
motor output
type
model
Btu/h
W
Btu/h
W
kW
kW
A
A
r.p.m
r.p.m
r.p.m
r.p.m
m3/min
m3/min
m3/min
m3/min
dB(A)
dB(A)
dB(A)
W
mm
mm
mm
Net/Gross
r.p.m.
r.p.m.
m3/min
dB(A)
W
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1-2 Samsung Electronics
Product Specifications
IDH4400G / DH44ZA1(A2)
UDH4400G / DH44ZAX
3.79
Internal
wave fin coil
2 x 48 x 1.7(935/915)
1.122
Capillary
4,000
1,240 x 930 x 385
123/133
27/19
20/15
35/24
7/6
9.52(3/8”)
19.05(3/4”)
Flare
Max. 25
Max. 50
MODEL
Outdoor
unit
Condition
Piping
INDOOR UNIT
OUTDOOR UNIT
Compressor
Heat
exchanger
Refrigerant
Dimensions
Weight
Indoor unit
Outdoor unit
Pipe O.D.
size
Connection method
Between
motor output
protection
type
row x stages x fin pitch
face area
control
(R22)Charge
(H x W x D)
kg
Cool(DB/WB)
Heat(DB/WB)
Cool(DB/WB)
Heat(DB/WB)
Liquid
Gas
Height
Pipe length
kW
m2
g
mm
Net/Gross
˚C
˚C
˚C
˚C
mm(inch)
mm(inch)
m
m
Notice : This model is tested under the external static pressure of 14mmAq
2-00216A(1)-PR 5/19/01 10:04 AM Page 1-2

1-2 Dimensions
• Indoor unit
Samsung Electronics 1-3
1023
Inspection area
1200mm
Inspection area
1200mm
1042(Space of suspension bolts)
698(Space of suspension bolts)
650(Outer dimensions)
Electrical
component box
131
157
936 x 321(Dimension of outlet duct flange)
936 x 321(Dimension of inlet duct flange)
1110(Outer Dimensions)
Pipe connection port
(Liquid pipe:ø9.52mm, Gas pipe:ø19.05mm)
Drain pipe connection port
(Out diameter:ø27.2mm)
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1-4 Samsung Electronics
• Outdoor Unit
Product Specifications
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1420 415
930
840
385
2-00216A(1)-PR 5/19/01 10:04 AM Page 1-4

2. Installation
2-1 Wiring diagram
Samsung Electronics 2-1
SW2
SW1
CN7
CN9
Receiver &
Display Unit
(Optional)
CN20 Connector
Rotary
Digital
Switch
Jumper
Wire
Transmitter
(Optional)
Float Switch
Drain Pump
(Optional)
Wired
Remote
Controller
(Optional)
DIP Switch
MAIN PCB SUB PCB
220-240V~,
50Hz
Float Switch Power
Communication
Earth
Ventilator
Motor
The following electrical characteristics must be respected.
MODEL
Power
Sub switch
Fuse
Min. size of electric Wires
from/to the indoor/outdoor unit
Size of electric
input wires 20m or less
50m or less
ADH4400G / DH44ZA1(A2)
3Ø, 380-415V~, 50Hz
30A
30A
◆ The power cables are not
supplied with the air conditioner.
The user should purchase them separately.
◆ When connecting the cables to the
main power, you should connect each
cable(L1, L2 & L3) properly.
H07RN-F, 4G, 1.25mm2
H07RN-F, 3G, 2.5mm2
H07RN-F, 3G, 4.0mm2
Note
MAIN POWER
3ø, 380-415V~,
50Hz
MAIN POWER
Drain Pump
Indoor Unit
Outdoor Unit
Centralized
Controller
(Optional)
Cable Specifications
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Samsung Electronics
2-2
Accessories
1. Disassemble the wired remote controller by
using two grooves on the top of it.
2. Secure the rear cover of the wired remote
controller on the wall with two screws.
3. Connect the R1, R2 and R3 terminals in the
wired remote controller to the R1, R2 and R3
terminals on the electrical component box each.
Note : Cable Specifications
4. Reassemble the wired remote controller.
Size of cables
Max. length of electric wires from
the indoor unit to the wired remote
controller
0.3mm2~0.75mm2
100m
Cable type Double-insulation, 3G
Wired
Remote
Controller
Wired Remote
Controller(1)
Cable-Tie(2) Cable Clamp(5) M4 X 16 Tapped
Screw(7)
Caution :
• Do Not keep the wired remote controller cables with a
220V cable because the remote controller cables have
low voltage.
• Do Not input 220V power to the R1, R2 and R3 in the
wired remote controller.
Caution :
• The optional kits must be installed by an installation
specialist.
• Before installing the optional kits, ensure that you have
turned off the main power.
• All optional kits cables should be installed according to
the national wiring rules and you must install them in the
wall not to be touched by users.
2-2 Wired Remote Controller Installation
2-00216A(1)-PR 5/19/01 10:04 AM Page 2-2

Samsung Electronics 2-3
2-3 Wireless Remote Controller Installation
Accessories
1. Remove the receiver & display unit cover by
using the tab on the bottom of it.
2. Open the receiver & display unit.
3. Connect the end of the connector wire to the
receiver & display unit and connect the other
end of the wire to the electrical component box
as shown in figure.
4. Close the receiver & display unit.
5. Secure the receiver & display unit on the wall
with two screws.
6. Reassemble the receiver & display unit cover.
Caution :
•Do NOT keep the receiver & display unit cables with a
220V cable because the remote controller cables have
low voltage.
Caution :
•The optional kits must be installed by an installation specialist.
•Before installing the optional kits, ensure that you have turned
off the main power.
•All optional kits cables should be installed according to the
national wiring rules and you must install them in the wall not
to be touched by users.
Wireless Remote
Controller(1)
Wire Kit
Length : 10m
Battery(2) M4 X 16 Tapped
Screw(2) Remote Controller Holder(1)
Receiver &
Display Unit(1)
Cable-Tie(2) Cable Clamp(5) M4 X 16 Tapped
Screw(7)
2-00216A(1)-PR 5/19/01 10:05 AM Page 2-3

2-4 Samsung Electronics
Accessories
1. Open the centralized controller
cover by using two grooves on
the top of it.
2. Secure the rear cover of the centralized
controller on the wall with two screws.
3. Secure the transmitter
with four spacer supports
into the electrical
component box.
4. Connect the cable from the PCB and to the
transmitter.
And connect another cable from the O1, O2
terminals and to the transmitter as shown in
figure.
5. Connect the O1 and O2 terminals of the
centralized controller to the O1 and O2
terminals on the electrical component box as
shown in figure.
Note : Cable Specifications
6. Connect the power cables.
Note : Cable Specifications
7. Reassemble the centralized controller.
2-4 Centralized Controller Installation
Size of cables 0.75mm2~1.25mm2
Cable type Double-insulation, 2G
Centralized
Controller(1) Cable-Tie(2) Cable Clamp(5) M4 X 16 Tapped Screw(7)
Transmitter(1) Spacer Support(4) Cable-Tie(2) M4 X 16 Tapped
Screw(7)
Electrical component box
Transmitter
Size of cables
Max. length of electric wires from the
indoor unit to the centralized controller
0.75mm2~1.25mm2
1km
Cable type Double-insulation,
2G(Shield Cable)
Centralized
Controller
Caution :
•The optional kits must be installed by an installation
specialist.
•Before installing the optional kits, ensure that you have
turned off the main power.
•All optional kits cables should be installed according to
the national wiring rules and you must install them in the
wall not to be touched by users.
2-00216A(1)-PR 5/19/01 10:05 AM Page 2-4

2-5 Air Filter Installation
1. Remove the air inlet duct flange.
2. Attach the air filter kit to the air inlet side of
indoor unit.
3. To clean the air filter, remove the fixing bracket
on the base of air filter kit, then pull out the
filter.
Note: Setting Up Filter Cleaning Cycle
• Adjust the DIP switch(SW2) in the main PCB to
the desired position referring the table below.
Samsung Electronics 2-5
Switch No.
4
Switch Position
ON
OFF
Filter Cleaning Cycle
1,000 hours
2,000 hours
Caution :
•The optional kits must be installed by an installation
specialist.
•Before installing the optional kits, ensure that you have
turned off the main power.
•The optional air filter has to be cleaned only by an
authorized person or service agent.
2-00216A(1)-PR 5/19/01 10:05 AM Page 2-5