Daikin ER3DAT1 [3/10] Function of the main components
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Daikin ER3DAT1 [3/10] Function of the main components

Daikin ER3DAT1 [3/10] Function of the main components
ER3~10DA
Air-cooled condensing units
4PW00411-1C
Operation manual
2
D
ESCRIPTION
The ER-DA air-cooled condensing units are available in 4 standard
sizes with nominal cooling capacities ranging from 8.3 to 26.6 kW.
Each size is available in two power supply versions: three phase
220V 50 Hz or three phase 380/415V+N 50 Hz.
The ER3DA condensing unit can also be provided for a one phase
220/240V 50 Hz supply.
The units can be provided, as an option, with a head pressure control
kit.
Figure – Main components
Function of the main components
Figure – Functional diagram
212 8
2812
1
7
6
4
11
6
4
11
5
3
5 1
9
10
7 3
9
10
ER3-5DA
ER8-10DA
1
Compressor (M1C)
7
Drier/filter
2
Condenser coil
8
Switch box
3
Condenser fan with motor (M2F)
9
Low pressure switch (S2PL)
4
Gas line stop valve
10
High-pressure switch (S1PH)
5
Liquid line stop valve
11
Overcurrent relay (F1S)
6
Suction accumulator
12
Reverse phase protector (R1P) (except for ER3DAV1)
A
Air conditioner
5
Suction accumulator
B
Condensing unit
6
Low pressure switch S2PL
1
Evaporator
7
Compressor
2
Expansion valve
8
High pressure switch S1PH
3
Gas line stop valve
9
Drier/filter
4
Liquid line stop valve
10
Condenser

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