Eco Air EAP-10.5XS Installation And Operating Instructions Manual Download Page 24 | Manualshive

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Air Source Heat Pump EAP range user manual - www.ecoairpump.co.uk

outputs.
Note: Water Pump control in antifreeze protection will never be blocked.

16.6. Insufficient Water Flow Protection

All outputs will be closed if water flow is insufficient or the water flow switch is malfunctioning.
System uses two approaches to check whether the water flow is insufficient.
Water Flow Switch
System will check the state of Water Flow Switch one minute after the water pump is on. Insufficient water flow protection will
be activated if the switch is observed to be disconnected for a continuous 10 seconds.
Water Temp Difference between Inlet and Outlet
When inlet/outlet water temperature difference is bigger than P12, insufficient water flow protection will be activated.

16.7. High/Low Pressure Protection

1) High Pressure Protection

：

If the High Pressure Switch is observed to be disconnected, High Pressure Protection will be

activated and the corresponding compressor will be shut down.
2) Low Pressure Protection: When the Low Pressure Switch is observed to be disconnected for a continuous 10 seconds, the
corresponding compressor will be shut down.
(Low Pressure Protection will be blocked in the first three minutes in heating mode, in the first 30 seconds in cooling mode
and in defrosting state.)

Error Code

Input Port

Error Description

Code

Results

01

Inlet Water Temp Sensor
Malfunction

E1

Close All Outputs

02

Outlet

Water

Temp

Sensor Malfunction

E2

Close All Outputs

03

Ambient Air Temp Sensor
Malfunction

E3

Close All Outputs

04

Evaporator Coil Temp
Sensor 1 Malfunction

E4

Close All Outputs

05

Evaporator Coil Temp
Sensor 1 Malfunction

E5

Close All Outputs

06

FLOW

Insufficient Water Flow
( Water Flow Switch
Malfunction

or

Water

Temp Diff too Big)

E6

Close All Outputs

07

HP1

High Pressure Protection
Compressor 1

E7

Shut Down Compressor
1

08

LP1

Low Pressure Protection
Compressor 1

E8

Shut Down Compressor
1

09

HP2

High Pressure Protection
Compressor 2

E9

Shut Down Compressor
2

10

LP2

Low Pressure Protection
Compressor 2

E10

Shut Down Compressor
2

11

Hot Water Temp Sensor
Malfunction

E11

Close All Outputs

12

OV1

Compressor 1 Overload

E12

Shutdown Compressor
1

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Summary of Contents for EAP-10.5XS

Page 1: ...mp EAP range user manual www ecoairpump co uk INSTALLATION OPERATING MAINTENANCE INSTRUCTIONS Air to Water Heat Pump EAP 10 5XS EAP 13XS EAP 18DS www ecoairpump co uk Support Line 08444 930099 Email Info ecoairpump co uk ...

Page 2: ...cial applications such as domestic water heating are taken into consideration and dimensioned for low temperature operation Heat pumps are optimally suited for underfloor heating surface radiant heating applications due to the low supply temperatures 30 C to 40 C During operation it is essential that the heat exchanger is not contaminated as this would increase the temperature difference resulting...

Page 3: ...ibed in the enclosed operating manual 4 TRANSPORT During transport the heat pump must not be tilted more than 45 in either direction The unit should be transported to the final installation site on a wooden pallet The baseline unit can be transported either by means of a lift truck a sack trolley or the like 5 INSTALLATION 5 1 Positioning of the Unit The unit should always be installed on a perman...

Page 4: ... tested 6 3 Anti freeze Protection On heat pumps installed in a location prone to frost a manual drain valve should be provided Provided the controller and heating circulating pumps are ready for operation the anti freeze protection function of the controller is active If the heat pump is taken out of service or in the event of a power failure the system has to be drained In heat pump installation...

Page 5: ...tion To prevent acidic flushing agents from entering the heating installation when cleaning the condenser we recommend that the flushing device be mounted directly to the supply and return line of the heat pump To prevent consequential damage it is imperative that the water circuit be neutralized after cleaning using appropriate agents 8 3 Cleaning of Air Side Evaporator fan and condensate drain s...

Page 6: ...or 15 minutes if it can Check if the temperature difference between water inlet and outlet is bigger than 5 7C If yes the water flow is too small Change to a bigger water pump c If b is okay check if there is condensation water on the suction pipe of the compressor If no there is a gas leakage Check where the leakage is Discharge the gas and solder the hole Then vaccumize the system and fill gas d...

Page 7: ... Water pipes are poorly insulated Insulate the water pipe properly 4 Mains water supply is unreasonable Redesign the mains water supply 5 The space between inlet water pipe and outlet water pipe is too narrow resulting in water shortcircuit The space between inlet and outlet water pipes should be no less than 1m 6 The heat pump is installed in a place where the ventilation is not good Improve the ...

Page 8: ... ecoairpump co uk 7 The system is in protection Check what kind of protection it is and remedy it 8 Damaged mainboard or damaged temperature sensor Replace the mainboard or sensor 10 DIMENSIONED DRAWINGS 10 1 Dimensioned Drawing EAP 10 5XS EAP 13XS ...

Page 9: ... 1 8 6 13 6 COP 3 3 3 3 A 7 W35 EN14511 Heating Capacity KW 6 2 7 5 12 2 COP 2 7 2 9 2 8 Power Supply 230V 1HP 50HZ Compressor Qty 1 1 2 Compressor Style Copeland Scroll Fan Motor Speed Two Refrigerant Type R404A Refrigerant Charge kg 2 5 3 4 4 Condenser 316 Stainless Steel Brazed Plated Heat Exchanger Nominal Water Flow Rate A2 W35 m3 h 1 4 1 8 2 7 Flow restriction Alco Thermal Expansion Valve Pi...

Page 10: ...Air Source Heat Pump EAP range user manual www ecoairpump co uk 12 WIRING DIAGRAMS ...

Page 11: ...Air Source Heat Pump EAP range user manual www ecoairpump co uk 13 Schematics of Installation 13 1 Schematics of Space Heating ...

Page 12: ...Air Source Heat Pump EAP range user manual www ecoairpump co uk 13 2 Schematics of Space Heating Hot Water Heating ...

Page 13: ...l www ecoairpump co uk 14 Controller Controller type 15 This controller is applicable to both single compressor and dual compressors units This controller includes three parts mainboard control panel and connecting wires 14 1 Mainboard Layout ...

Page 14: ...erature 1 Sensor CN7 Evaporator Coil Temperature 2 Sensor CN8 Hot Water Temperature Sensor CN9 Gas Discharge Temperature 1 Sensor CN10 Gas Discharge Temperature 2 Sensor CN11 Control Panel CN12 Assist Unit COM Common Port EN Interlock Signal HP1 High Pressure Protection 1 LP1 Low Pressure Protection 1 HP2 High Pressure Protection 2 LP2 Low Pressure Protection 2 OV1 Compressor 1 Overload OV2 Compre...

Page 15: ... 1 No 4 Assist 0 1 0 0 No 5 Assist 0 1 0 1 No 6 Assist 0 1 1 0 No 7 Assist 0 1 1 1 No 8 Assist 1 0 0 0 No 9 Assist 1 0 0 1 No 10 Assist X X X X Invalid 14 3 Control Panel ON OFF Press ON OFF to switch on off the unit MODE Press MODE to select the running mode Mode selection is valid only when the compressor is off Cooling Mode the unit will cool the water till the water temperature reaches the set...

Page 16: ...temperature TIMER 24hours 7days Press TIMER and then to set unit automatic on off time First Press set HOUR digit for unit automatic on Second Press set MINUTE digit for unit automatic on Third Press set HOUR digit for unit automatic off Fourth Press set MINUTE digit for unit automatic off Fifth Press exit Timer state Note when the set times are the same the timer setting will become invalid Hold ...

Page 17: ...ator Coil Temp 2 3 Discharge Gas Temp Compressor 1 4 Discharge Gas Temp Compressor 2 5 Error Code Hold SET for 10 seconds to enter parameter setting Press SET again to select the parameter item in sequence The first two digits stand for the parameter item number and the last two digits stand for the parameter value 14 5 Screen Symbols HEAT heating mode COOL cooling mode HOT WATER hot water heating...

Page 18: ... Water Temp 70 40 65 12 E6 Cut in Inlet Outlet Water Temp Diff 50 5 10 13 E14 Cut in Inlet Water Temp 5 0 3 14 Water Temperature Diff 10 1 5 15 Up Limit 10 1 5 Only valid when unit is in Auto Mode 16 Down Limit 10 1 5 17 Unit Type Selection 2 0 1 2 heating only 1 heating cooling 0 cooling only 18 Quantity of Heat Pump Units 10 1 1 19 Weather Compensation Valid 1 0 0 1 yes 0 no 20 Compensation Temp...

Page 19: ...ng Mode 25 8 12 Switch on the control panel and then press Up or Down button to change the set water temperature in cooling heating and auto mode The range of water temperatures is different in different modes Water Temperature In Heating Mode 60 25 40 Water Temperature in Auto Mode 50 10 30 ...

Page 20: ... water heating is needed this function is needed When the unit is installed only for domestic hot water heating without house heating and house cooling do not activate hot water heating mode Use heating mode to control hot water heating Hot Water Heating Function Cut in Condition Water temperature ready by CN8 P1 P14 When above condition is satisfied the three way valve will energize to direct the...

Page 21: ...mpressor is on When the ambient air temperature is above 15 the crankcase heater will turn off Control of 4 way Reversing Valve The 4 way reversing valve will be activated when the unit is in cooling or defrost mode In heating mode the 4 way reversing valve will not be activated 15 9 Remote Control Set P24 as 1 to activate Remote Control Function If this function is activated put a signal switch b...

Page 22: ...tion Temperature P20 Set Water Temperature 10 20 P20 P21 0 1 P20 Ta 15 10 20 25 14 10 20 26 13 10 20 27 12 10 20 28 11 10 20 29 10 10 20 30 9 10 20 31 8 10 20 32 7 10 20 33 6 10 20 34 5 10 20 35 4 10 20 36 3 10 20 37 2 10 20 38 1 10 20 39 0 10 20 40 1 10 20 41 2 10 20 42 3 10 20 43 4 10 20 44 5 10 20 45 6 10 20 46 7 10 20 47 8 10 20 48 9 10 20 49 10 10 20 50 11 10 20 51 12 10 20 52 13 10 20 53 14 ...

Page 23: ... Protection Time Delay from Compressor On to Compressor Off 60 seconds Time Delay from Compressor Off to Compressor On 180 seconds 16 3 Brazed Plated Heat Exchanger Anti Freeze Protection In cooling mode if the outlet temperature remains below P10 for 60 seconds continuously the protection will be activated The compressor will be shut down but the water pump will continue to work After the outlet ...

Page 24: ... Pressure Protection When the Low Pressure Switch is observed to be disconnected for a continuous 10 seconds the corresponding compressor will be shut down Low Pressure Protection will be blocked in the first three minutes in heating mode in the first 30 seconds in cooling mode and in defrosting state Error Code Input Port Error Description Code Results 01 Inlet Water Temp Sensor Malfunction E1 Cl...

Page 25: ...sor and Backup Electricity Heater 16 SET Outlet Water Temp Too Low in Cooling E16 Turn off compressor turn on pump and backup electricity heater 17 Discharge Gas Temp Sensor 1 Malfunction E17 Close All Outputs 18 Discharge Gas Temp Sensor 2 Malfunction E18 Close All Outputs 19 Communication Error E19 Close All Outputs 20 Discharge Gas Temp 1 too High E20 Shutdown Compressor 1 21 Discharge Gas Temp...

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