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6 Configuration

Installation and operation manual

21

4BY1
Air-cooled refrigeration condensing unit
4P495373-1 – 2017.07

H1P H2P H3P H4P H5P H6P H7P

-

+

+

+

+

+

[

H1P

32 16

8

4

2

1]

Description

(H1P ON)

Mode 2

+

+

+

+

+

0

0

0

0

0

1

(H2P~H7P = binary 1)

Setting 1

(in mode 2)

+

+

+

+

+

0

0

8

0

0

0

(H2P~H7P = binary 8)

Value 8

(in mode 2)

6.1.4

To access mode 1 or 2

After  the  units  are  turned  ON,  the  display  goes  to  its  default
situation. From there, you can access mode 1 and mode 2.

Initialisation: default situation

Turn on the power supply of the outdoor unit. After initialisation, the
display  indication  state  will  be  as  below  (default  situation  when
shipped from factory).

10~12 min

b
c

a

a

Power ON

b

Default situation

c

LED indication when there is a malfunction

If  the  default  situation  is  not  displayed  after  10~12  minutes,  check
the malfunction code. Solve the malfunction code accordingly.

Switching between modes

Use  BS1  to  switch  between  the  default  situation,  mode  1  and
mode 2.

BS1 [5 s]

BS1

BS1

BS1

a

c

b

a

Default situation (H1P OFF)

b

Mode 1 (H1P flashing)

c

Mode 2 (H1P ON)

BS1

Press BS1.

BS1 [5 s]

Press BS1 for at least 5 s.

INFORMATION

If you get confused in the middle of the process, press BS1
to return to the default situation.

6.1.5

To use mode 1

In  mode  1  (and  in  default  situation)  you  can  read  out  some
information.

See 

"6.1.7  Mode  1  (and  default  situation):  Monitoring  settings"  on

page 21

.

Example: 7‑LEDs display – Mode 1

See 

"8.1.1 To display the error codes of the latest malfunctions" on

page 24

.

6.1.6

To use mode 2

In mode 2 you can make field settings to configure the system.

Example: 7‑LEDs display – Mode 2

You can fine‑tune the value of setting [2‑1] (= T

e

 target evaporating

temperature) to 8 (= +3°C) as follows:

#

Action

Button/display

1

Start from the default
situation.

2

Select mode 2.

BS1 [5 s]

3

Select setting 1.

("X×" depends on the setting
that you want to select.)

(= binary 1)

4

Select value 8 (= +3°C).

a

: Display the current value.

b

: Change until the LED

indication corresponds with
the LEDs in 

"6.1.8 Mode 2:

Field settings" on page 22

.

("X×" depends on the current
value, and the value that you
want to select.)

c

: Enter the value in the

system.

d

: Confirm. The system starts

operating according to the
setting.

BS2 [X×]

b

a

BS3 [1×]

c

BS3 [1×]

d

BS3 [1×]

5

Quit mode 2.

BS1 [1×]

6.1.7

Mode 1 (and default situation): Monitoring
settings

In  mode  1  (and  in  default  situation)  you  can  read  out  some
information.

7‑LEDs display – Default situation (H1P OFF)

You can read out the error code status:

Situation

LED indication

Default

Error

7‑LEDs display – Mode 1 (H1P flashing)

You can read out the following information:

Setting

(

)

Value / Description

[1‑14] 

Shows the latest malfunction
code.

For more information, see

"8.1 Solving problems based on
error codes" on page 24

.

[1‑15] 

Shows the 2nd last malfunction
code.

[1‑16] 

Shows the 3rd last malfunction
code.

Summary of Contents for LRMEQ3BY1

Page 1: ...Installation and operation manual Air cooled refrigeration condensing unit English Installation and operation manual Air cooled refrigeration condensing unit LRMEQ3BY1 LRMEQ4BY1...

Page 2: ...1700 1000 500 HU a b 100 100 c d e eB eD A B C D E HB HD A B C 200 300 1000 A B C E 200 300 1000 1000 500 D 1000 D E 1000 1000 500 B D HD HU 300 1000 HD HU 250 1500 HU HD HU 300 1500 B D E HB HD HB H...

Page 3: ...ktiver med senere ndringer Direktiv med f retagna ndringar Direktiver med foretatte endringer Direktiivej sellaisina kuin ne ovat muutettuina v platn m zn n Smjernice kako je izmijenjeno ir nyelv ek s...

Page 4: ...vastaava kyll stysl mp tila M C Kylm aine N Varmuuspainelaitteen asetus P bar Valmistusnumero ja valmistusvuosi katso mallin nimikilpi Maxim ln p pustn tlak PS K bar Minim ln maxim ln p pustn teplota...

Page 5: ...label 16 5 6 Connecting the electrical wiring 17 5 6 1 Field wiring Overview 17 5 6 2 Guidelines when knocking out knockout holes 18 5 6 3 Guidelines when connecting the electrical wiring 18 5 6 4 To...

Page 6: ...accessories from the outdoor unit 1 Remove the service cover See 5 1 1 To open the outdoor unit on page 9 2 Remove the accessories a 1 b 1 c 1 d 1 a 1 b 1 c 1 d 1 e 1 f 1 g 1 a General safety precaut...

Page 7: ...to top When the copper piping or fan is corroded When the heat exchanger is contaminated Foreign materials including oils for fabrication must be 30 mg 10 m Reuse allowed In other cases than above yo...

Page 8: ...e diameter of the outdoor unit stop valve 15 9 mm to that of the field piping 19 1 mm B C b c Piping between piping branching Use diameters depending on the total capacity of the indoor units connecte...

Page 9: ...The operation switch is located in the switchbox see illustration below R E M O T E OFF O N The operation switch can be set to the following three positions Operation switch setting Function OFF Unit...

Page 10: ...ng the paint field supply 4 Attach the cable s ends Tighten those ends 5 3 Connecting the refrigerant piping DANGER RISK OF BURNING 5 3 1 Using the stop valve and service port To handle the stop valve...

Page 11: ...w Check for refrigerant leaks after tightening the service port cover NOTICE Thread locking fluid Before reattaching the service port cover apply thread locking fluid to the screw thread NOT to the co...

Page 12: ...the unit without a dryer installed Possible consequence Equipment malfunction Install a dryer on the liquid piping Dryer type 80 g 100 molecular sieve equivalent DML083 DML083S Danfoss made Where how...

Page 13: ...example a to prevent snow and small animals from entering the system a WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals Small animals that make con...

Page 14: ...ion of the system higher than the design pressure of the indoor unit 2 Test for leaks by applying a bubble test solution to all piping connections 3 Discharge all nitrogen gas NOTICE Make sure to use...

Page 15: ...e stop valve g Gas line stop valve A Valve A B Valve B C Valve C 2 Open valves B and C 3 Pre charge refrigerant until the determined additional refrigerant amount is reached or pre charging is not pos...

Page 16: ...to charge the unit even if the opening of the liquid line stop valve is adjusted If this is the case replace the cylinder with one that has more refrigerant remaining If the piping length is long repl...

Page 17: ...1M S1T Y1S Ry 0 S2T NC TeS1 No T1 T1 E1H t Ry0 t Ry 1 K1M S1T H1P P1 P2 W1 C C1 R X3M X1M L2 N L1 L3 B X2M A D C F1 F2 Ry 0 Ry 0 K1M Ry 0 Ry 0 Ry 0 K1M Ry 1 Y1S 3D111889 A e c a b i j k h f b d B B b...

Page 18: ...es when knocking out knockout holes NOTICE Precautions when making knockout holes Avoid damaging the casing After making the knockout holes we recommend you remove the burrs and paint the edges and ar...

Page 19: ...power supply is pulled loose from the stress relief NOTICE Never connect the power supply to terminal blocks X2M or X3M Otherwise the entire system may break down NOTICE Output signals The outdoor un...

Page 20: ...de 1 and 2 Mode Description Mode 1 monitoring settings Mode 1 can be used to monitor the current situation of the outdoor unit Some field setting contents can be monitored as well Mode 2 field setting...

Page 21: ...information See 6 1 7 Mode 1 and default situation Monitoring settings on page 21 Example 7 LEDs display Mode 1 See 8 1 1 To display the error codes of the latest malfunctions on page 24 6 1 6 To use...

Page 22: ...ating temperature during low noise operation With this setting the target evaporating temperature set with settings 2 0 and 2 1 can be corrected for low noise operation see setting 2 18 default 1 C 2...

Page 23: ...nsulation test of the main power circuit Using a megatester for 500 V check that the insulation resistance of 2 M or more is attained by applying a voltage of 500 V DC between power terminals and eart...

Page 24: ...ly completed normal operation is possible 7 3 3 Correcting after abnormal completion of the test run The test operation is only completed if no malfunction occurs In case of a malfunction perform corr...

Page 25: ...t the switch properly Replace defective component Outdoor fan motor signal failure Abnormal position of signal of 1 fan motor 4 Caution Abnormal fan motor signal circuit error Broken short or disconne...

Page 26: ...acle E in the direction of obstacle D HU Height of the unit HB HD Height of obstacles B and D 1 Seal the bottom of the installation frame to prevent discharged air from flowing back to the suction sid...

Page 27: ...microcurrent 1 mA 12 V DC For instructions on how to use the remote switch refer to the technical engineering data 7 The initial state of SW1 is open normal mode To activate low noise mode close the...

Page 28: ...result in injury Water pressure Check whether the water pressure is above 1 bar If it is lower add water 12 1 About the refrigerant This product contains fluorinated greenhouse gases Do NOT vent gase...

Page 29: ...make sure the air can flow freely Malfunction Measure The system operates but cooling is insufficient Check if air inlet or outlet of outdoor or indoor unit is not blocked by obstacles Remove any obs...

Page 30: ...it fan does not spin During operation The speed of the fan is controlled in order to optimise product operation 14 Relocation Contact your dealer for removing and reinstalling the total unit Moving un...

Page 31: ......

Page 32: ...4P495373 1 2017 07 Copyright 2016 Daikin 4P495373 1 0000000T...

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