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York YLCA, Technical Information

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Cooling operation and hydraulic diagram YLCA (only cooling)

b

a

D

P

A

P

B

1

8

8

P

C

5

c

d

4

6

2

3

7

12

11

10

F

E

14

9

13

5

Safety/Control devices

Components

A

High-pressure switch

1

Compressor

11

Expansion vessel

B

Low pressure switch

2

Air-cooled condenser

12

Drain connection

C

Condensing  pressure  trans‐

ducer  (Optional  LAK  YLCA  5

to 15)

(Standard YLCA 20, 27)

3

Filter dryer

13

Water filter (to be installed out‐

side the unit)

D

Battery temperature sensor.

(Standard YLCA 5 to 15)

4

Sight glass (YLCA 20, 27)

14

Safety valve

E

Water outlet temp. sensor (An‐

tifreeze and display)

5

Expansion element

→

Pipe connection with Schrader

valve

F

Water inlet temp. sensor (Set‐

ting and display)

6

Plate heat exchanger

- ‑ ‑

For units with hydro kit only

 

 

7

Flow switch

a

Water inlet

 

 

8

Ball valve (YLCA 27)

b

Water outlet

 

 

9

Water pump

c

Expansion valve YLCA 20 to 27

 

 

10

Automatic air bleed

d

RESTRICTOR YLCA 5 to 15

1

Technical Information

1.10 Cooling operation and hydraulic diagrams

38

Summary of Contents for YLCA

Page 1: ...Air condensed cooling units and heat pumps YLCA YLHA PLUS 5 to 27 Technical Information Ref N 27722_EN 1110 ...

Page 2: ... 7 2 Dimensions and hydraulic connections models YLCA YLHA PLUS 5 27 1 7 3 Dimensions and hydraulic connections models YLCA YLHA PLUS 7 and 9 28 1 7 4 Dimensions and hydraulic connections models YLCA YLHA PLUS 12 and 15 29 1 7 5 Dimensions and hydraulic connections models YLCA YLHA PLUS 20 and 27 30 1 8 Capacities YLHA 31 1 8 1 Cooling capacities YLHA 5 27 31 1 8 2 Cooling capacities YLHA 5 27 35 ...

Page 3: ...CA YLHA PLUS 12 MC and M 230 1 50 68 2 3 Electric circuit diagram YLCA YLHA PLUS 7 and 9 TC and T 400 3 50 70 2 4 Electric circuit diagram YLCA YLHA PLUS 12 and 15 TC and T 400 3 50 72 2 5 Electric circuit diagram YLCA YLHA PLUS 20 TC and T 400 3 50 74 2 6 Electric circuit diagram YLCA 27 TC YLHA PLUS 27 400 3 50 76 2 7 Electric circuit diagram YLCA PLUS 5 9 MCS 230 1 50 SOFT START 78 2 8 Electric...

Page 4: ...1 Technical Information ...

Page 5: ...hose installations requiring a greater volume of water The control system of these units is a specially programmed electronic controller for use with air water cooling units and heat pumps Easy to use and safe these units precision control the water return temperature of the installation carry out defrost cycles modulate fan speeds and control compressor pump and auxiliary electric heater start up...

Page 6: ...S 9 M and T Cooling capacity 5 4 7 10 8 72 Heating capacity 6 3 7 16 10 1 Heat pump model YLHA PLUS 12 M and T YLHA PLUS 15 T YLHA PLUS 20 T YLHA PLUS 27 T Cooling capacity 11 75 13 8 19 4 25 8 12 Heating capacity 12 25 16 1 20 9 27 5 12 4 Cooling capacities in kW for 12 7 C water inlet outlet temperature and 35 C ambient temperature Heating capacities in kW for 40 45 C water inlet outlet temperat...

Page 7: ...prevent an excessive difference in temperature between the interior and exterior of the air conditioned area If there is a large difference this may result in discomfort or thermal shock for the users entering and leaving the area and could even endanger their health In addition this function which increases the set point during the summer cycle and reduces it in the winter cycle sig nificantly co...

Page 8: ...n at low ambient temperatures 10 C On cool only units with an optional low ambient temperature kit can reach 18 C On heat pumps the fan will remain inoperative during defrosting Electrical and control panel Located inside the machine and with IP44 protection The operating and control components are factory mounted wired and tested This control panel is equipped with an external locking isolator th...

Page 9: ... loaded with nitrogen at 1 5 bar safety valve set to 6 bar flow switch air bleed valve and drain valve Also includes a mesh filter for the water circuit This filter is supplied loose for installation at the most convenient point Soft Start The models YLHA PLUS 5 7 9 and 12 MCS have an electronic starter specially designed to limit the starter intensity point in the single phase Scroll compressors ...

Page 10: ... of 1040 m BMS connections By means of a serial board it is possible to connect the system to a standard RS485 monitoring network Low ambient temperature kit YLCA 5 to 15 Includes a pressure transducer to control condensation pressure at low ambient temperatures 18 C This component is standard in models YLCA 20 to 27 and YLHA PLUS 5 to 27 High pressure fans Inertia tank With or without built in au...

Page 11: ...mensioned in accord ance with the load to be supported Use 8 10MA bolts to fasten the supports to the base of the chassis The antivibration support accessory includes 4 parts These spring supports should be distributed and fas tened in the drilled holes at the base of the cooling unit the location of which is detailed in the sec tionMeasurements clearances and accesses see on page 25 YLCA YLHA PLU...

Page 12: ...s manual A series of special symbols are used to clearly identify these situations Pay careful attention to these symbols and to the messages following them as your safety and the safety of others depends on it 1 3 Icons used in this document DANGER The text following this symbol contains information and instructions relating directly to your safety and physical wellbeing Not taking these instruct...

Page 13: ...nnel from the company responsible for their installation Transport of the unit should be in such a manner that no damage is caused by faulty or inadequate mooring to the bed or body of the vehicle Where necessary protect all of the edges of the unit against knocks and scratches and moor it to the bed or body of the vehicle using suitable textile belts or slings to keep it perfectly still Loading a...

Page 14: ...elective recovery 1 4 4 Handling The unit must be moved using the metal rails provided for its installation and transport 1 5 Selection guide YLCA YLHA Necessary information The following information is needed to select a YLCA YLHA water cooling unit 1 Cooling capacity needed 2 Design cold water inlet and outlet temperatures 3 Design water flow rate if one of the temperatures of Point 2 above is u...

Page 15: ...ate of 771 l h has an available pressure of 56 kPa Pressure drop in filter From table Pressure drop in filters see on page 21 we infer that with a flow rate of 771 l h there is a pressure drop of 1 3 kPa YLHA PLUS selection method 1 Establish the correct size of YLHA PLUS by selecting the model from the tablesHeating capacities YLHA 5 27 see on page 34 and Cooling capacities YLCA 5 27 see on page ...

Page 16: ...emperature 13 C to 7 C temp diff of 6 C Hot and cold water flow rate 774 l h Heating capacity 4 15 kW Total unit absorbed power in heat mode 1 88 kW Hot water outlet temperature 45 C Hot water temp dif ferential 4 15 x 860 4 60 C 774 Thus hot water return temperature is 40 4 C All values are within operating limits Available pressure in hydraulic circuit of a unit with pack From table Pressure ava...

Page 17: ...method 1 Determine the correct cooling unit model by selecting the one that is closest to the capacities required by the design conditions of the glycol outlet and air inlet temperatures 2 Apply the fouling correcting factors that correspond to the fouling altitude and glycol concentration factor to the capacity and power values in the capacity tables Make sure the corrected capacity is still suff...

Page 18: ... glycol factor Thus the flow rate can be determined with the formula appearing in Selection guide YLCA YLHA see on page 11 3 35 kW 1 4 x Flow rate l s 0 248 Flow rate 3 35 x 0 248 0 166 l s or 598 l h 5 This covers the Limits of Use The evaporator pressure drop can be determined by taking the water pressure drop value for a YLCA unit and multiplying it by the correction factor see Glycol concentra...

Page 19: ... 12 15 3 50 C if the inlet air temp is higher than 0 C Prior to final approval of the installation Check Voltage remains between 342 436 V A CAUTION The cable used for the unit power supply must be H05 RN F Power supply cable cross section is at least as indicated in the corresponding wiring diagrams The cable used for the unit power supply must be H05 RN F Operating instructions have been given t...

Page 20: ...ctor in recom mended concentrations Ethylene glycol in other concentrations A Glycol factor B Outlet liquid temperature C C Glycol factor Recommended propylene glycol concentrations A in weight a Recommended concen tration in weight B Outlet liquid temper ature C b Freeze point C Glycol factor L S C kW in recommended concentrations c Glycol factor in recom mended concentrations A a b c C B A C B a...

Page 21: ...ne glycol pressure drop correcting factor A Correcting Factor B Average liquid temperature C C Glycol concentration P P Propylene glycol pressure drop correcting factor A Correcting Factor B Average liquid temperature C C Glycol concentration P P A C B A C B A C B 1 Technical Information 1 6 Technical data 18 ...

Page 22: ... 0 995 0 974 0 992 50 0 954 0 985 0 923 0 977 If it is necessary to select different glycol percentages correct the capacity and absorbed power capaci ties of tables 2 and 4 35 ethylene glycol multiplying them by the coefficients indicated in the table Altitude factors Altitude Capacity factor compressor absorbed power factor 0 1 1 600 0 987 1 01 1200 0 973 1 02 1800 0 958 1 029 2400 0 943 1 038 T...

Page 23: ... 175 1 400 70 2 500 160 1 600 58 3 000 145 1 800 45 3 500 125 2 000 28 4 000 105 09 1 000 95 4 500 83 1 200 88 5 000 60 1 400 80 5 500 30 1 600 70 27 3 000 245 1 800 60 3 500 228 2 000 49 4 000 208 2 200 37 4 500 187 2 400 24 5 000 163 12 1 400 149 5 500 140 1 700 134 6 000 112 2 000 118 6 500 83 2 300 95 7 000 49 2 600 62 7 500 15 2 900 30 Data with water at 10 C In the case of using glycol apply...

Page 24: ...2 8 27 1 1 1 4 filter Water flow rate l h 1500 2000 2500 3000 3500 kPa 0 9 1 5 2 6 3 9 5 6 Water flow rate l h 4000 4500 5000 5500 6000 kPa 7 7 10 1 12 8 15 7 18 8 Data with water at 10 C In the case of using glycol apply the correcting factors indicated in SectionCorrecting factors for other glycol concentrations see on page 19 Technical Information 1 Technical data 1 6 21 ...

Page 25: ... flow rate without filter 2 kPa 51 80 78 80 75 115 152 134 191 Available static pres sure at nominal flow rate with filter 3 kPa 49 75 5 71 75 5 67 5 113 149 129 5 182 Coolant Coolant type R 410A Coolant charge kg 2 08 2 55 2 25 2 55 2 15 3 17 3 1 5 7 8 No of coolant circuits Water circuit Nominal water flow rate l h 925 1225 1430 1225 1475 2065 2530 3360 4405 Min water volume inst 1 l 15 20 25 20...

Page 26: ...pe PLATES Fan No of fans 1 2 1 2 Fan diameter mm 450 560 Total fan power W 140 170 2 x 185 170 2 x 185 2 x 180 2 x 200 Total fan current A 0 6 0 8 2 x 0 87 0 8 2 x 0 87 2 x 1 30 Total air flow rate m h 2900 3150 6150 6300 7200 Sound power dB A 70 70 71 73 71 73 73 74 78 Sound pressure at 5 m dB A 44 44 45 47 45 47 47 48 51 Sound pressure at 10 m dB A 40 40 41 43 41 43 43 44 48 Available static pre...

Page 27: ...minal A Nominal W Cold Heat Standard Soft Start Cold Heat YLCA 5 230 1 50 7 80 60 45 1 73 0 60 140 0 65 160 YLHA PLUS 5 7 80 8 10 1 73 1 76 YLCA 7 11 70 82 45 2 41 0 80 170 0 95 210 YLHA PLUS 7 12 40 13 20 2 56 2 76 YLCA 9 17 97 45 3 20 YLHA PLUS 9 17 14 50 3 16 3 06 YLHA PLUS 12 16 30 14 80 116 52 3 29 2 98 2 x 0 87 2 x 185 1 80 400 YLCA 7 400 3 50 3 90 35 2 41 0 80 170 0 95 210 YLHA PLUS 7 4 10 ...

Page 28: ...ply connections To operate correctly all minimum clearances shown on the general dimension diagrams should be re spected with regard to the possible obstruction of air circulation or of the work of an operator Minimum technical clearance YLCA 5 7 9 12 and 15 600 300 800 150 400 NOTE Distances in millimetres Technical Information 1 Measurements clearances and accesses 1 7 25 ...

Page 29: ...Minimum technical clearance YLCA YLHA PLUS 20 and 27 600 300 300 800 A A Water inlet and outlet NOTE Distances in millimetres 1 Technical Information 1 7 Measurements clearances and accesses 26 ...

Page 30: ...ons models YLCA YLHA PLUS 5 762 32 905 405 10 323 152 430 440 10 460 17 5 31 66 66 90 8 0 55 47 Ø 11 5 A B C A Water inlet 1 G C Drain connection Øext 15 B Water outlet 1 G Technical Information 1 Measurements clearances and accesses 1 7 27 ...

Page 31: ...models YLCA YLHA PLUS 7 and 9 90 55 47 32 905 405 323 152 430 440 10 460 10 Ø 11 5 17 5 31 66 66 933 965 80 A B C A Water inlet 1 G C Drain connection Øext 15 B Water outlet 1 G 1 Technical Information 1 7 Measurements clearances and accesses 28 ...

Page 32: ...els YLCA YLHA PLUS 12 and 15 1270 32 1238 405 905 323 152 430 440 10 460 10 Ø 11 5 17 5 31 66 66 90 675 55 26 A B C A Water inlet 1 G C Drain connection Øext 15 B Water outlet 1 G Technical Information 1 Measurements clearances and accesses 1 7 29 ...

Page 33: ...11 4 GF 75 Ø38 D C 11 4 GF 18 18 15 15 A B 4 4 3 1 2 5 a c d b a Rear view 1 Water outlet b Side view 2 Water inlet c Front view 3 Air outlet d Upper view 4 Air inlet 5 Water drainage Model A B C D YLCA YLHA PLUS 20 1430 1394 136 428 YLCA YLHA PLUS 27 1876 1840 144 432 1 Technical Information 1 7 Measurements clearances and accesses 30 ...

Page 34: ... 7 69 3 82 7 20 4 04 6 56 4 35 7 9 68 2 78 9 31 2 90 8 95 3 11 8 82 3 29 8 70 3 46 8 15 3 84 7 60 4 06 6 80 4 40 8 9 86 2 79 9 50 2 91 9 13 3 14 9 01 3 30 8 95 3 49 8 39 3 86 7 84 4 09 7 11 4 45 10 10 17 2 79 9 68 2 92 9 44 3 16 9 19 3 33 9 19 3 53 8 64 3 92 8 21 4 14 7 47 4 53 12 10 48 2 80 10 05 2 94 9 68 3 19 9 44 3 35 9 37 3 57 8 88 3 97 8 58 4 21 8 03 4 59 15 10 91 2 80 10 42 2 95 10 05 3 22 ...

Page 35: ...5 60 25 99 5 93 24 79 6 23 24 02 6 46 22 94 7 11 21 39 7 64 20 14 8 23 18 92 8 60 15 29 24 5 69 28 04 6 01 26 64 6 30 25 75 6 53 24 54 7 15 23 05 7 72 21 62 8 27 20 30 8 70 27 T 5 28 29 6 97 27 71 7 17 26 71 7 51 26 26 7 80 25 49 8 78 22 69 9 26 21 67 9 87 20 49 10 60 6 29 58 7 01 28 84 7 25 27 77 7 58 27 19 7 87 26 33 8 82 23 90 9 33 22 77 10 00 21 55 10 71 7 30 82 7 09 30 03 7 31 28 82 7 66 28 2...

Page 36: ... 97 4 8 28 2 63 7 92 2 84 7 50 3 09 7 33 3 19 7 06 3 36 6 48 3 67 6 13 3 86 5 76 4 10 2 9 05 2 75 8 71 2 97 8 23 3 24 8 04 3 34 7 75 3 52 7 11 3 84 6 72 4 04 6 29 4 27 0 9 81 2 88 9 52 3 11 9 05 3 38 8 79 3 49 8 47 3 67 7 77 4 02 7 35 4 23 6 82 4 44 2 10 87 3 01 10 37 3 25 9 85 3 53 9 60 3 65 9 25 3 84 8 49 4 20 8 03 4 41 7 58 4 61 4 11 63 3 14 11 22 3 39 10 66 3 68 10 41 3 80 10 03 4 00 9 20 4 38...

Page 37: ...7 2 75 13 11 2 76 14 74 2 78 15 80 2 80 35 2 93 2 70 4 73 2 80 6 41 2 90 8 06 3 08 10 26 3 09 12 44 3 10 12 86 3 11 14 62 3 13 15 50 3 15 40 4 71 3 00 6 24 3 10 7 90 3 42 10 18 3 44 12 35 3 45 12 57 3 46 14 49 3 48 15 20 3 50 45 5 95 3 40 7 80 3 70 10 10 3 85 12 25 3 92 12 54 3 94 14 36 3 95 14 90 3 96 50 7 70 3 90 9 93 4 00 12 15 4 12 12 51 4 13 13 33 4 15 14 70 4 17 12 T 30 3 15 2 86 3 66 2 86 5...

Page 38: ...3 49 3 47 12 97 3 84 12 50 3 92 12 40 4 17 10 72 4 66 10 16 5 03 9 41 5 32 8 14 03 3 12 13 82 3 49 13 15 3 86 12 83 3 94 12 65 4 19 11 07 4 68 10 49 5 05 9 71 5 34 10 14 41 3 16 14 19 3 53 13 60 3 90 13 55 3 96 12 90 4 21 11 79 4 70 11 16 5 07 10 35 5 36 12 15 14 3 20 14 93 3 57 14 32 3 92 14 26 3 96 13 44 4 22 12 48 4 73 11 83 5 09 10 96 5 38 15 16 25 3 26 16 05 3 63 15 39 3 95 15 34 3 98 14 45 4...

Page 39: ...8 7 92 3 02 7 74 3 12 7 45 3 28 6 83 3 59 6 47 3 77 6 08 4 00 2 9 55 2 69 9 19 2 90 8 69 3 16 8 49 3 27 8 18 3 43 7 50 3 75 7 09 3 95 6 63 4 17 0 10 35 2 81 10 05 3 03 9 55 3 30 9 28 3 41 8 94 3 59 8 20 3 92 7 75 4 13 7 19 4 34 2 11 47 2 94 10 94 3 17 10 40 3 45 10 13 3 56 9 76 3 75 8 96 4 10 8 47 4 31 8 00 4 50 4 12 28 3 06 11 84 3 31 11 25 3 60 10 99 3 71 10 59 3 91 9 71 4 28 9 19 4 49 8 68 4 75...

Page 40: ...g pressure is reached and the coolant goes to the air cooled condenser unit 4 In the air cooled condenser unit heat is exchanged between the air and the coolant 5 The air is heated and evacuated from the cooling unit heat rejection 6 The coolant is condensed and sub cooled 7 Then the coolant liquid goes on to the expansion element where it is expanded until the evaporation pressure is reached next...

Page 41: ...Water filter to be installed out side the unit D Battery temperature sensor Standard YLCA 5 to 15 4 Sight glass YLCA 20 27 14 Safety valve E Water outlet temp sensor An tifreeze and display 5 Expansion element Pipe connection with Schrader valve F Water inlet temp sensor Set ting and display 6 Plate heat exchanger For units with hydro kit only 7 Flow switch a Water inlet 8 Ball valve YLCA 27 b Wat...

Page 42: ... unit heat is exchanged between the air and the coolant The air is heated and evacuated from the cooling unit heat rejection 5 The coolant is condensed and sub cooled 6 Then the coolant liquid goes on to the expansion element where it is expanded until the evaporation pressure is reached next it goes to the plate heat exchanger to start a new cooling cycle Heating cycle The cycle is reversed to he...

Page 43: ...be installed outside the unit E Condenser unit temp sensor fan speed regulation defrost reading 4 Expansion element 13 Safety valve F Water outlet temp sensor anti freeze regulation and display 5 Water pump 14 Flow switch G Water inlet temp sensor Set ting and display 6 Plate heat exchanger Pipe connection with Schrader valve 7 Automatic air bleed For units with hydro kit only 8 Expansion vessel a...

Page 44: ...er dryer 14 Safety valve F Water outlet temp sensor anti freeze regulation and display 4 Sight glass 15 Water pump G Water inlet temp sensor Set ting and display 5 Expansion valve 16 Flow switch 6 Heat exchanger 17 Drain connection 7 Heat exchanger antifreeze heat er 18 Water filter outside the unit 8 Globe valve Pipe connection with Schrad er valve 9 Four way valve For units with hydro kit only 1...

Page 45: ... The unit should be placed on a perfectly horizontal plane making sure the base can support the weight of the unit If vibration free operation is required the unit can be placed on a cork or similar anti vibratory base or fastened to the base with anti vibratory plates or supports Location of various units Avoid recirculation of air between units OK NO 1 Technical Information 1 11 Instructions for...

Page 46: ...Areas with regular snowfall If the unit is mounted outdoors at ground level it should be lifted onto supports to prevent a build up of snow from obstructing the passage of air These sup ports must be above the level normally reached by the snow Anti snow grilles should be fitted A Without anti snow grilles low platform B With anti snow grilles low platform Orientation Turn the unit to face the pre...

Page 47: ...er in the pipes Usually a filling solution is applied to the circuit with an antifreeze mixture glycol 1 11 4 Rotational direction of Scroll compressors The Scroll compressors only operate correctly in one direction of rotation Although these units are pro tected by a phase order detector when the unit is started check that the unit rotates in the correct direction If it is not correct If the comp...

Page 48: ...switch a1 Supply 200 1 N ph 50 Hz single phase units e Remote COOL HEAT switch CLOSED COOL OPEN HEAT YLHA units only a3 Supply 400 3 N ph 50 Hz three phase units f Auxiliary heater Terminal strips YLCA YLHA PLUS Voltage free terminal strip contact YLCA YLHA PLUS Ø Outdoor unit terminals Client s electrical installation 230 Vac terminal CAUTION The cable used for the unit power supply must be H05 R...

Page 49: ... Hz 67 7 67 7 67 9 70 2 70 2 72 9 75 9 1000 Hz 65 7 65 7 66 1 67 5 67 5 69 1 70 8 2000 Hz 60 2 60 2 61 8 62 7 62 7 63 9 68 6 4000 Hz 55 1 55 1 56 3 57 7 57 7 58 2 63 3 8000 Hz 48 8 48 8 52 3 51 51 52 5 55 7 Sound power level dB A 70 70 71 73 73 74 78 The data given in this table are sound power values in accordance with ISO EN3743 1 Technical Information 1 12 Unit sound power spectrum data 46 ...

Page 50: ...o be supervised Fan speed control module Operates by phase cut off Includes fuse NTC and ratiometric pressure probes YLCA YLHA PLUS 5 to 15 standard 4 NTC probes are used to read the temperatures of the system B1 Controls the set point Reads water temperature at exchanger inlet B2 Antifreeze control Reads water temperature at exchanger outlet B3 Controls the dynamic set point Reads outdoor air tem...

Page 51: ...assword 22 Allows access to all parameters the user normally sets Direct Level Accessible without a password Allows for reading of the values detected by the probes 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 controller in Standby position 1 Technical Info...

Page 52: ...oint 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 switch H Communication ID5 Remote ON OFF I Programmable key N Neutral J Outdoor probe standard units L Phase B1 Water inlet temperature probe Control set point 1 When the low ambient kit LAK is fitted set the B4 probe as a pressure transducer and...

Page 53: ...er B4 Ratiometric pressure probe fan speed and defrost 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 switch H Communication ID5 Remote ON OFF I Programmable key N Neutral B1 Water inlet temperature probe Control set point L Phase 1 Technical Information 1 13 Operating instructions 50 ...

Page 54: ...ers 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 higher parameter within the programming area Press once or keep pressed down Increase value Press once or keep pressed down Selection of heat function from standby position and vice versa P6 1 Press for 5 seconds 5 S...

Page 55: ...ang er L Outdoor heat exchanger F NTC water inlet probe B1 M Pressure sensor BA YLCA YLHA PLUS 5 to 20 LAK YLCA YLHA PLUS 20 to 27 G Pump N Outdoor exchanger NTC probe B3 YLCA YLHA PLUS 5 to 15 Parameter tables The following tables show the parameters and their values divided into groups Parameter level codes Supervision variables D Direct R W Read write parameter U User R Read only parameter S Su...

Page 56: ...B2 D 71 R C b03 Value read by probe B3 D 72 R C b04 Value read by probe B4 D 73 R C bar a YLCA YLHA PLUS 5 to 15 03 1 YLCA YLHA PLUS 5 to 15 LAK 03 2 YLCA YLHA PLUS 20 to 27 03 2 b YLCA YLHA PLUS 5 to 15 04 2 YLCA YLHA PLUS 5 to 15 LAK 04 3 YLCA YLHA PLUS 20 to 27 04 3 Parameters relating to the compressor Parameters relating to the compressor Display Description Level VS Unit Max Min Value c01 Mi...

Page 57: ...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 B A C1 B A C2 C3 B A 1 Technical Information 1 13 Operating instructions 54 ...

Page 58: ...Compressor pump stoppage delays A Compressor B Pump Pump compressor start up delays A Pump B Compressor C8 B A C7 B A Technical Information 1 Operating instructions 1 13 55 ...

Page 59: ...toppage temp differential cool cycle F 28 R W C 50 0 10 Fan stoppage pressure differential cool cy cle 1 bar 6 5 F08 Minimum speed temp heat cycle F 30 R W C 80 40 6 F09 Maximum speed differential heat cycle F 32 R W C 50 0 3 F10 Fan stoppage temp differential heat cycle F 34 R W C F08 0 6 F11 Fan start up time F 51 R W Seconds 120 0 10 F12 Triac impulse duration F 52 R W Seconds 10 0 2 F13 Fan ma...

Page 60: ... 150 10 10 d06 Minimum defrost duration U 38 R W Seconds 150 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 defrost 0 No 1 Yes U 9 R W 0 1 1 d12 Compressor stoppage before defrost F 43 R W Minutes 3 0 1 d13 Compressor stoppage after defrost F 44 R W Minutes 3 0 1 d16 Forced ventilation time at...

Page 61: ...reeze probe 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 heater deactivation set point temper ature differential U 17 R W C 50 0 3 3 A10 Automatic start up by antifreeze alarm unit in Standby 0 Function disabled 1 Water pump heater 2 Water pump heater compressor heat...

Page 62: ...H06 COOL 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 locked 0 Disabled 1 Enabled U 16 R W 1 0 1 H10 Serial direction for monitoring 0 Future use as terminal U 58 R W 200 1 1 H11 Output configuration not selectable F 59 R W 3 0 0 H12 4 way valve logi...

Page 63: ... 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 func tion Do not modify this parameter F 70 R W 9 P15 Low pressure alarm selection 0 Inoperative with the compressor OFF 1 Operative with the compressor OFF F 76 R W 1 0 1 P16 High temperature alarm for return water U 38 R W C 80 40 30 P17 High tempera...

Page 64: ...t tem perature F 83 R W Seconds 999 c05 100 r12 Only if r06 4 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 co...

Page 65: ... Automatic ELS Low voltage power supply Automatic EHS High voltage power supply Automatic EPr Eprom Error Unit running Automatic EPb Eprom Error On start up Automatic ESP Communication failure with expansion module Automatic EL Problem at fan voltage control Automatic FL Flow switch pump protector Manual Hc Compressor maintenance alarm Automatic HP High pressure Fan heat switch Manual Ht High wate...

Page 66: ...82 63 2 75 97 1 05 38 168 9 4 32 43 30 8 31 64 2 66 98 1 02 37 160 1 3 31 04 31 6 01 65 2 58 99 0 99 36 151 8 2 29 72 32 7 72 66 2 51 100 0 97 35 144 1 28 47 33 7 45 67 2 43 101 0 94 34 136 6 0 27 28 34 7 19 68 2 36 102 0 92 33 129 7 1 26 13 35 6 94 69 2 29 103 0 9 32 123 2 2 25 03 36 6 69 70 2 22 104 0 87 31 117 1 3 23 09 37 6 46 71 2 16 105 0 85 30 111 3 4 22 09 38 6 24 72 2 1 106 0 83 29 106 7 ...

Page 67: ...at regular intervals irrespective of the compressor operation param eters c17 and c18 Calibration of probes If necessary probes can be calibrated by using parameters 13 14 15 y 16 See TableParameters relating to probes see on page 53 Remote ON OFF A remote ON OFF inlet can be connected between terminals D5 and B on the connecting strip To activate said inlet a value of 1 should be given to paramet...

Page 68: ...2 Electric circuit diagrams ...

Page 69: ... 13 14 6 J2 4 5 6 7 8 9 9 9 1 0 11 12 13 14 15 16 17 1 8 L1 N 1 2 3 0 2 1 4 3 B4 Q3 3A FSC LOAD F2 L N Y GND T 230V 0V 20 VA FS P HP 41 bar R00 RCH K1 M3 V4V 2 chiller 2 P LP 2 5 bar A 24 0 N2 HTP K2 C B B 3 4 4 5 1 G D E F 2 C LAK a b c H H I UNIT Q2 I 5 20 2 5 7 25 4 9 35 6 1 Alarm contact normally open free of voltage maximum 3A resistive 2 Outdoor temperature probe in units with LAK NTC Batter...

Page 70: ...units L1 Line phase H Install on site M2 Fan motor I B mm2 Cu MS Main switch AH Auxiliary heater N Neutral B1 Water inlet temperature probe NTC Q1 Thermal magnetic protector B2 Water outlet temperature probe NTC Q2 General compressor thermal magnetic protec tor B3 Temperature probe 2 Q3 General thermal magnetic protector 230V fan pump crankcase heater B4 3 R00 Remote ON OFF switch C1 Compressor co...

Page 71: ... H H K2 14 1 Alarm Contact normally open free of voltage maximum 3A resistive 2 Outdoor temperature probe in units with LAK NTC Battery temperature probe in standard units NTC 3 Ratiometric pressure transducer in units with LAK Outdoor temperature probe in standard units NTC 4 Only MC units 5 Only YLHA units 2 Electric circuit diagrams 2 2 Electric circuit diagram YLCA YLHA PLUS 12 MC and M 230 1 ...

Page 72: ...te MS Main switch I 10 mm2 Cu N Phase B1 Water inlet temperature probe NTC Q1 Auxiliary heater thermal magnetic protector B2 Water outlet temperature probe NTC Q2 General compressor thermal magnetic protec tor B3 Temperature probe 2 Q3 General thermal magnetic protector 230V fan pump crankcase heater B4 3 Q4 Pump thermal magnetic protector MC units C1 Compressor condenser R00 Remote ON OFF switch ...

Page 73: ...tact normally open free of voltage maximum 3A resistive 2 Outdoor temperature probe in units with LAK NTC Battery temperature probe in standard units NTC 3 Ratiometric pressure transducer in units with LAK Outdoor temperature probe in standard units NTC 4 Only TC units 5 Only YLHA units 2 Electric circuit diagrams 2 3 Electric circuit diagram YLCA YLHA PLUS 7 and 9 TC and T 400 3 50 70 ...

Page 74: ...2 L3 Line phases H Install on site M2 Fan motor I B mm2 Cu MS Main switch AH Auxiliary heater N Neutral B1 Water inlet temperature probe NTC Q1 Auxiliary heater thermal magnetic protector B2 Water outlet temperature probe NTC Q2 General compressor thermal magnetic protec tor B3 Temperature probe 2 Q3 General thermal magnetic protector 230V fan pump crankcase heater B4 3 R00 Remote ON OFF switch C2...

Page 75: ...y open free of voltage maximum 3A resistive 2 Outdoor temperature probe in units with LAK NTC Battery temperature probe in standard units NTC 3 Ratiometric pressure transducer in units with LAK Outdoor temperature probe in standard units NTC 4 Only TC units 5 Only YLHA units 2 Electric circuit diagrams 2 4 Electric circuit diagram YLCA YLHA PLUS 12 and 15 TC and T 400 3 50 72 ...

Page 76: ...otor 1 and 2 I B mm2 Cu MS Main switch AH Auxiliary heater N Neutral B1 Water inlet temperature probe NTC Q1 Auxiliary heater thermal magnetic protector B2 Water outlet temperature probe NTC Q2 General compressor thermal magnetic protec tor B3 Temperature probe 2 Q3 General thermal magnetic protector 230V fan pump crankcase heater B4 3 Q4 Pump magneto thermal protector TC units C2 C3 Fan condenser...

Page 77: ... L1 L3 L2 L3 L2 L3 5 6 A1 A2 M4 K3 18 A1 A2 3 M1 K1 16 A1 A2 5 3 12 Q4 3 4 A1 A2 3 1 2 3 0 C3 M3 C2 M2 19 20 B3 L1 L2 L3 N L1 L1 N N Q2 25A 400V 3 50Hz N L2 L3 L2 L3 F1 315 mA 0 N2 HTP Q3 4A FSC LOAD F2 L N Y GND T 230V 0V 20 VA CH 21 22 K1 FS P HP 41 bar R00 RCH K1 V4V 2 chiller 2 21 22 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 6 2 4 13 14 21 22 FC 8 L1 L3 L2 16 14 11 FC 1 13 14 Q4 3 K3 A 24 P LP 2 5 b...

Page 78: ...or 1 and 2 AH Auxiliary heater MS Main switch B1 Water inlet temperature probe NTC N Neutral B2 Water outlet temperature probe NTC Q1 Auxiliary heater thermal magnetic protector B3 Outdoor temperature probe NTC Q2 General compressor thermal magnetic protec tor B4 Fan defrost speed control ratiometric pressure probe Q3 General thermal magnetic protector 230V fan pump crankcase heater C2 C3 Fan cond...

Page 79: ...L2 L3 L2 L3 5 6 A1 A2 M4 K3 18 A1 A2 3 M1 K1 16 A1 A2 5 3 12 Q4 3 4 A1 A2 3 1 2 3 0 C3 M3 C2 M2 19 20 B3 L1 L2 L3 N L1 L1 N N Q2 25A 400V 3 50Hz N L2 L3 L2 L3 F1 315 mA 0 N2 HTP Q3 FSC LOAD F2 L N Y GND T 230V 0V 20 VA CH 21 22 K1 FS R00 RCH K1 V4V 2 chiller 2 21 22 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 6 2 4 13 14 21 22 FC 8 L1 L3 L2 16 14 11 FC 1 13 14 Q4 K3 A 24 P LP 2 5 bar K2 5 6 P HP 41 bar 3 ...

Page 80: ...ater N Neutral B1 Water inlet temperature probe NTC PTV1 PTV2 Fan heat switch B2 Water outlet temperature probe NTC Q1 Auxiliary heater thermal magnetic protector B3 Outdoor temperature probe NTC Q2 General compressor thermal magnetic protec tor B4 Fan defrost speed control ratiometric pressure probe Q3 General thermal magnetic protector 230V fan pump crankcase heater C2 C3 Fan condenser Q4 Pump m...

Page 81: ...0 2 1 4 3 B4 R RC L1 S ON N SS Q3 3A FSC LOAD F2 L N Y GND T 230V 0V 20 VA FS P HP 41 bar R00 RCH M3 V4V 2 chiller 2 P LP 2 5 bar A 24 0 N2 HTP K2 M1 S C R I 2582b YLHA PLUS 5 7 9 MCS 230 1 50 C B 4 5 4 2 LAK B 3 1 G D E F C a b c H H I UNIT Q2 I 5 20 2 5 7 25 4 9 32 6 1 Alarm contact normally open free of voltage maximum 3A resistive 2 Outdoor temperature probe in units with LAK NTC Battery tempe...

Page 82: ...bar F M3 Pump MC units L1 Line phase H Install on site M2 Fan motor I B mm2 Cu MS Main switch AH Auxiliary heater N Neutral B1 Water inlet temperature probe NTC Q1 Thermal magnetic protector B2 Water outlet temperature probe NTC Q2 General compressor thermal magnetic protec tor B3 Temperature probe 2 Q3 General thermal magnetic protector 230V fan pump crankcase heater B4 3 R00 Remote ON OFF switch...

Page 83: ...6 17 18 L1 N 1 2 3 0 2 1 4 3 B4 R RC L1 S ON N SS Q3 3A Q3 3A FSC LOAD F2 L N Y GND T 230V 0V 20 VA FS P HP 41 bar R00 RCH V4V 2 chiller 2 P LP 2 5 bar A 24 0 N2 HTP K2 K3 M1 S C R I 2583d YLHA PLUS 12 MCS 230 1 50 1 K3 16 5 C B 4 5 4 2 LAK B 3 1 G D E F C a b c H H I 1 Alarm contact normally open free of voltage maximum 3A resistive 2 Outdoor temperature probe in units with LAK NTC Battery temper...

Page 84: ... Install on site MS Main switch I 10 mm2 Cu N Neutral AH Auxiliary heater Q1 Auxiliary heater thermal magnetic protector B1 Water inlet temperature probe NTC Q2 General compressor thermal magnetic protec tor B2 Water outlet temperature probe NTC Q3 General thermal magnetic protector 230V fan pump crankcase heater B3 Temperature probe 2 R00 Remote ON OFF switch B4 3 RCH Remote COOL HEAT switch C2 C...

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