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1.2.12 Controller configuration parameters

Controller configuration parameters

Display

Description

Level

VS

Unit

Max.

Min.

Value

r01

Cool cycle set point temperature

U

41 (R/W)

°C

r14

r13

12

r02

Cool set point temperature differential

U

42 (R/W)

°C

50

0,3

1

r03

Heat cycle set point temperature

U

43 (R/W)

°C

r16

r15

40

r04

Heat cycle set point temperature differential

U

44 (R/W)

°C

50

0,3

2

r06

Type  of  adjustment  0=  Proportional.  Input  tempera‐

ture.

1= Proponeutral zone. Input temp.
2= Proportional. Output temperature
3= Proponeutral zone. Output temp.
4= By time+dead zone. Output temperature (chillers

only)

F

79 (R/W)

 

4

0

0

r07

Neutral zone differential

F

45 (R/W)

°C

50

0

1

r08

(If r06=4 only) Maximum activation time. Output tem‐

perature.

F

80 (R/W)

Seconds

999

r09

120

r09

(If r06=4 only) Minimum activation time. Output tem‐

perature.

F

81 (R/W)

Seconds

999

c04

100

r10

(If  r06=4  only)  Maximum  deactivation  time.  Output

temperature.

F

82 (R/W)

Seconds

999

r11

120

r11

(If r06=4 only) Minimum deactivation time. Output tem‐

perature.

F

83 (R/W)

Seconds

999

c05

100

r12

(If r06=4 only) Compressor deactivation differential.

F

46 (R/W)

°C

50

0

1

r13

Cool cycle minimum set point temperature

U

47 (R/W)

°C

r14

-40

6

r14

Cool cycle maximum set point temperature

U

48 (R/W)

°C

80

r13

20

r15

Heat cycle minimum set point temperature

U

49 (R/W)

°C

r16

-40

25

r16

Heat cycle maximum set point temperature

U

50 (R/W)

°C

80

r15

45

r17

Summer offset constant

U

51 (R/W)

-

5

-5

-0,4

r18

Maximum set point distance

U

52 (R/W)

°K

20

0,3

3,2

r19

Summer offset start temperature

U

53 (R/W)

°C

176

-40

32

r20

Winter offset start temperature

U

54 (R/W)

°C

176

-40

5

r27

Inertia tank suppression.

0= No suppression.
1=Suppression in cold cycle
2=Suppression in heat cycle.
3= Always suppressed.

F

88 (R/W)

 

3

0

3

r28

Minimum low pressure determining time

F

89 (R/W)

Seconds

999

0

210

r29

Cool cycle low pressure differential

F

58 (R/W)

°C

50

0,3

3

r30

Heat cycle low pressure differential

F

58 (R/W)

°C

50

0,3

4

r31

Winter offset constant

U

60 (R/W)

-

5

-5

-0,4

A Temperature

D

HEAT  set  point  (r03)  +  Dif‐

ferential (r04)

B Compressor

E

COOL set point (r01)

C HEAT set point (r03)

F

COOL set point (r01) + Dif‐

ferential (r02)

1

User manual

1.2

Operating instructions µC2 (YLCA/YLHA 40)

20

Summary of Contents for YLCA 40

Page 1: ...Air condensed water chillers and heat pumps YLCA YLHA 40 User manual Ref N 40288_EN 0910...

Page 2: ...2 5 Parameters relating to the compressor 12 1 2 6 Operating graphics 13 1 2 7 Parameters relating to fans 15 1 2 8 Parameters relating to defrost 16 1 2 9 Antifreeze control configuration parameters...

Page 3: ...1 User manual...

Page 4: ...compressor pump and electric heater start up By reading the control sensors and safety elements the controller protects the entire equipment against malfunctions The system allows con necting the uni...

Page 5: ...ved copper tubing mechanically expanded within the fin assembly Fans Of the axial and low sound level type Equipped with single phase motors with IP54 protection These motors allow speed control by me...

Page 6: ...rogen at 1 5 bar safety valve set to 6 bar water circuit pressure gauge two air bleed valves filling valve and drain valve Also includes a mesh filter for the water circuit This filter is supplied loo...

Page 7: ...f a water filter has not been installed Remote control Wall mounted remote control unit with keyboard for cool heat and ON OFF functions Includes power supply alarm and cool heat LEDs Maximum cable le...

Page 8: ...to sit This base must be solid and dimensioned in accord ance with the load to be supported The antivibratory support accessory for models YL CA YLHA 40 50 and 60 includes 4 units whereas for models...

Page 9: ...ters can also be modi fied and the system can also be supervised Fan speed control module Operates by phase cut off Includes fuse NTC and ratiometric pressure sensors 3 NTC sensors are used to read sy...

Page 10: ...he sensors as well as other system values Can be used by the user without affecting unit operation General Modification of the parameters that affect basic unit configuration should be made with the c...

Page 11: ...c pressure sensor Fan speed and de frost control D Compressor 1 ID1 Water flow switch E Alarm ID2 Remote COOL HEAT F 230 24 transformer ID3 High pressure switch G Fan speed control ID4 Low pressure sw...

Page 12: ...to Direct parameters Press for 5 seconds Selects a Direct parameter and shows its value Confirms parameter changes Press once 3 6 Parameter programming with password Press for 5 seconds 4 Selection of...

Page 13: ...ve E Indoor heat exchanger L Outdoor heat exchang er F NTC water inlet sensor B1 M Pressure sensor B4 G Pump Parameter tables The following tables show the parameters and their values divided into gro...

Page 14: ...1F U 5 R W 1 0 0 b00 Sensor viewed on display U 24 R W 7 0 0 b01 Value read by sensor B1 D 70 R C b02 Value read by sensor B2 D 71 R C b03 Value read by sensor B3 D 72 R C b04 Value read by sensor B4...

Page 15: ...operating time of a compressor A Signal B Compressor Min stoppage time of a compressor A Signal B Compressor Min time between compressor start ups A Signal B Compressor User manual 1 Operating instruc...

Page 16: ...Compressor pump stoppage delays A Compressor B Pump Pump compressor start up delays A Pump B Compressor 1 User manual 1 2 Operating instructions C2 YLCA YLHA 40 14...

Page 17: ...50 0 3 7 F07 Cool cycle fan stoppage pressure differen tial F 28 R W bar 50 0 6 5 F08 Heat cycle minimum speed pressure F 30 R W bar 80 40 8 7 F09 Heat cycle maximum speed pressure dif ferential F 32...

Page 18: ...Minimum defrost duration U 38 R W Seconds 50 0 0 d07 Maximum defrost duration U 39 R W Minutes 15 1 6 d08 Time between two defrost cycles U 40 R W Minutes 150 10 30 d11 Activation of heaters during de...

Page 19: ...1 Antifreeze sensor F 6 R W 1 0 0 A07 Minimum level antifreeze control set point temperature U 15 R W C 79 40 3 A08 Heating heater activation set point tempera ture U 16 R W C r15 A01 3 A09 Heating he...

Page 20: ...HEAT digital input 0 Absent 1 Present U 14 R W 1 0 0 H07 ON OFF digital input 0 Absent 1 Present U 15 R W 1 0 0 H08 Network configuration do not modify this parameter F 57 R W 3 0 0 H09 Keyboard locke...

Page 21: ...e heat cycle F 19 R W 1 0 1 P08 Digital input 1 for flow switch Do not modify this parameter F 69 R W 1 P09 Digital input 2 for the remote Cool Heat function Do not modify this parameter F 70 R W 9 P1...

Page 22: ...time Output tem perature F 83 R W Seconds 999 c05 100 r12 If r06 4 only Compressor deactivation differential F 46 R W C 50 0 1 r13 Cool cycle minimum set point temperature U 47 R W C r14 40 6 r14 Cool...

Page 23: ...sensor Automatic ELS Low supply voltage Automatic EHS High supply voltage Automatic EPr Eprom error Unit operating Automatic EPb Eprom error At start up Automatic ESP Communication failure with expan...

Page 24: ...and off at regular intervals independent of compressor operation parameters c17 and c18 Calibration of sensors If necessary sensors can be calibrated by using parameters 13 14 15 y 16 See Table Parame...

Page 25: ...tasks have been grouped by time intervals in a series of tables Maintenance responsibilities of the user see on page 23 1 3 2 Maintenance responsibilities of the user Like any other machine the HVAC...

Page 26: ...ts They should also be aware of general procedures and those applying specifically to this unit Contact a Johnson Controls Inc Authorised Technical Assistance Service for scheduled maintenance on this...

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