FlexPro EEH/18 Bedienungsanleitung

Water to water heating system

User's manual

EEH/18

Single compressor system:

PCB revision: 248053

LCD revision: 248055

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Part 1: Operating panel introduction

1. Display interface

This is for only hot water working mode.

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This is for hot water + heating working mode (optional).

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↓↓↓↓↓

Clock M + - power

2.1 “Power”button

●Under unlock state, press this button for 1second, can turn on and turn

off heat pump.

●Under other state, press this button, can return main interface.

●Under locking state, press this button for 5 seconds, can unlock buttons.

2.2 “M”button

●Under main interface, press this button, can query the working status

parameters

●Under hot water + heating mode, press this button, can switch between

the two presetting temp.

2.3 “+”and “-“button

●Open previous, next page of parameters to query and change the value

●Combine with “M”button, can query each parameter and set

●Under power on state, press “+”and “-“button, can set current

working mode water temperature

2.4 “clock”button

●Press this button for 10seconds, enter clock setting interface

●Press this button, can enter timer of ON/OFF setting, combine

“+”and “-“button, can set the timer of group 1 and group 2 timers

2. Buttons function

setting.

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3. Operating

3.1 Parameters query and setting

①Working status parameters query

How to enter? Under main interface, press “M”button, can enter

working status parameters query interface.

Working status parameters (table 1)

Code Meaning

No code Water tank temp

A1 Evaporating temperature

A2 Inlet gas temperature of

compressor

A3 Outlet gas temperature of

compressor

A4 Ambient air temperature

A5 Outlet water temperature

of using side

A6 Floor heating water temp

A7 Outlet water temperature

of source side

A8 Compressor current

A9 Reserved

A10 Reserved

C1 Reserved

E1～E6 History error code

Remarks: A6 sensor is installed on the using side heat exchanger inlet water pipe

inside heat pump by factory.

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Error code (table2)

Error code Meaning

Er01 Wrong phase error

Er02 Lack phase error

Er03 Water flow switch error of using side

Er05 Outlet gas pressure of compressor is too high error

Er06 Inlet gas pressure of compressor is too low error

Er09 Communication error

Er11 Time limit for locking heat pump reached

Er12 Outlet gas temp of compressor too high error

Er15 Water tank temp sensor error

Er16 Evaporating temp sensor error

Er18 Outlet gas temp sensor of compressor error

Er21 Ambient air temp sensor error

Er22 Floor heating water temp sensor error

Er27 Outlet water temp sensor error of using side

Er29 Inlet gas temp sensor of compressor error

Er35 Compressor current too high error

Er38 Outlet water temp too low error of source side

Er39 Water flow error of source side

Er41 Outlet water temp sensor error of source side

Er42 Outlet water temp too high error of source side

Er45 Outlet water temp too high error of using side

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②User parameters query and setting (both ON and OFF state can set)

How to enter?

◆Under main interface, press “M”for 3seconds, enter user parameter

query interface, then press “+”and “-“button , can query L2 to L9

value

◆Under user parameter query interface, press “M”button, enter setting

interface, press “+”and “-“button, to set the value of current

parameter, press “M”button again, return query interface.

◆Under user parameters query interface and setting interface, if there

is not operation for 30seconds constantly, system will quit user

parameter query or setting interface automatically, and return

to main interface, press “power”button can return main interface too.

User parameters query and setting (table 3)

Code Meaning Setting

range Factory

setting

L1 Hot water temp drop

for compressor

restart setting

2℃

～15℃ 5℃

L2 Hot water tank

temp setting 30℃

～F1 55℃

L3 Floor heating water

temp drop for

compressor restart

2℃

～15℃ 5℃

L4 Floor heating 20-55°C 45℃

L5 Ambient air

temperature below

which electric heater

-25℃

～25℃5℃

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is allowed to start

L6 Reserved

L7 Reserved

L8 Compressor current 0～40A

0（0:

will not

detect

current）

L9 Reserved

3.2 Other operation

①Clock setting

◆At main interface, press “clock”button for 5 seconds, enter clock

setting interface

◆At clock interface, press “clock” button, then “hour”flash, press

“+”or “-”button，can set hour.

◆After finish setting hour, press “clock” button, then “minute”flash,

now press “+”or“-”button，can set minute.

◆After finish setting minute, press “clock” button, to confirm clock

setting, and back to main interface.

◆At clock setting interface, if there is not operation within 30seconds,

system will confirm clock setting and back to main interface

automatically.

◆At clock setting interface, press “power”button, can confirm current

clock setting and back to main interface.

②Timer setting and cancelling (ON/OFF timer)

◆At main interface, press “clock”button, enter timer group setting.

Now press “+” or“-”button, can switch timer groups, there are 3groups

ON/OFF timer.

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◆When group 1 ON timer flashing, press “clock”button, enter group 1

ON timer “hour”setting interface, “hour”flash, then press

“+”or“-”button，then can set “hour”for group 1 ON timer.

◆After finish setting “hour”, press “clock”button, then “minute”flash,

then press “+”or“-”button，can set “minute”for group 1 timer.

◆After finish setting group 1 ON timer “minute”, press “clock”button,

enter group 1 OFF timer setting, same way like ON timer setting..

◆After finish setting group 1 ON/OFF timer, press “clock”button,

confirm group 1 setting, and enter group 2 ON/OFF timer setting, same

way like group 1 setting.

◆At timer interface, if there is not operation within 30seconds, then

confirm current timer setting, and back to main interface (this setting

can be remembered if electricity is cut off)

◆At timer interface, press “clock”button, confirm current timer

setting, and back to main interface.

◆Other groups ON/OFF timer setting are same way like group1.

◆How to cancel timer?

At timer interface, press “clock” button for 5seconds, when the ON and

OFF signal disappear, then press “power” button to confirm, can cancel

current group ON/OFF timer.

③Lock keys and unlock keys

◆At locking state, press “power”button for 3seconds, buzzer will give

a voice of “Di”, keys will be locked.

◆If there is not operation within 60seconds constantly, will lock keys

automatically.

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④Remove history error code

At the interface of query history error code, press “power”and “M”

button together for 5seconds, can remove all the history error code.

⑤One-click restore function

Under power off status, press “power”and “-“button together for

5seconds, can restore factory setting.

⑥Change working mode

Press “+”button for 5sec, can change working mode. Working mode

includes hot water mode, hot water + heating mode.

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