Sakura Axsp-260ha User manual

SWIMMING POOL HEAT PUMP UNIT

Installation for Manual

Model: AXSP-260HA

SAKURA CORPORATION

CONTENTS

1. Preface 1

2. Specifications 2

2.1 Dimensions for Swimming Pool Heat Pump Unit 2

3. Installation and Connection 3

3.1 Installation of System 3

3.2 Swimming Pool Heat Pumps Location 3

3.3 How Close To Your Pool? 4

3.4 Swimming Pool Heat Pumps Plumbing 4

3.5 Swimming Pool Heat Pumps Electrical Wiring 5

3.6 Initial Start-up of the Unit 5

4.INSTRUCTION FOR WIRE CONTROLLER

Temperature Display section:

When checking the temperature, code name displays on the left side and

at the same time the corresponding temperature value displays on right side;

Code name of the temperature

T1 inlet water temperature T2 outlet water temperature

T3 pipe coil temperature T4 ambient temperature

T5,T6- reserved

The setting temperature

The actual temperature

Time Display section:

Timer On icon displays this icon when you have set Timer On function

and flashes when you are setting

Timer Off icon displays this icon when you have set Timer Off function

and flashes when you are setting

Display the time in normal state.

When in timer on/off setting and time adjusting states, the corresponding icon will flash

4.2 Display screen description

This function is activated by 43# data in EEPROM after the unit powers on.

4.3 Auto-restart function

without auto-restart function, the unit will be in stand-by when the power

supplies again. The screen only displays the time. The timer on/off function

is invalid.

the unit with auto-restart function, once the unit off the power abnormally,

and then the power supplies again, the unit will run as the previous condition.

When any malfunction occurs, the screen will display relating error code.

4.4 Alarms instruction sheet(error code display priority is from E0 to ED)

When any malfunction occurs, the screen will flash the error code.

Error

code Cause

Malfunction and

Protection

Error

code

Communication error

between wire controller

and the unit

( mainboard error )

Wire controller receives

abnormal signal from

mainboard

Cause

Malfunction and

Protection

Fan motor error or

lack water protection Fan motor or water

flow valve error

Wire controller sensor

error

Communication error

between mainboard and

wire controller

(wire controller error)

Mainboard receives

abnormal signal from

wire controller

Wire controller EEPROM

error

Coil sensor error Coil sensor T3 is open

circuit or short circuit

Inlet water temperature

sensor error

Inlet water temperature

sensor T1 is open circuit

or short circuit

High pressure protection Compressor high

pressure switch acts

Outlet water temperature

sensor error

Outlet water temperature

sensor T2 is open circuit

or short circuit

Low pressure protection Compressor low

pressure switch acts

E5 Outside ambient

temperature sensor error

Outside ambient

temperature sensor

T4 is open circuit or

short circuit

E6 prevent frostbite protection

in cooling state

E7 EEPROM error EEPROM is wrong in

read-write

E8 Wrong phase/ absent

phase protection

Power supply phases

don't connect in correct

order or absent some

4. Instruction for wire controller 6

4.1 Keys functions of the Wire Controller 6

4.2 Display screen description 7

4.3 Auto-restart function 7

4.4 Alarms instruction sheet 7

5. Maintenance 8

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4.INSTRUCTION FOR WIRE CONTROLLER

4.1 keys functions of the Wire Controller

TIMER Key: set the desired timer on/off time and adjust the time

Running state(Press TIMER key once) Timer on / hour setting(Press it once again)

Timer on / minute setting (once again) Timer off / hour setting (once again)

Timer off /minute setting (once again) Running state

When in running state, press TIMER key for a long time, enter into time adjusting,

you can adjust the time as follow sequence:

Hour Minute Hour

After time adjusting, press TIMER key for a long time to quit.

SEARCH Key: Search temperature data and error codes;

When in normal running state, press this key, you can check the different

temperature data T1 T2 T3 T4 T1

When any malfunction occurs, press this key to check the error code.

(For example, when there are total three errors(E3,E4,E5)occur,

the controller will display as follow :E3 E4 E5 E3)

MODE Key: Mode transfer

AUTO COOLING HEATING AUTO

MODE

TIME HEAT

ON/OFF

RESET

Auto model

Cooling model

Heating model

Circulating

Water Pump

Defrosting operation

Auxiliary Heater

(reserved)

* Temperature

Display section

LCD screen

* Time Display

section

* Timer key

* Search key

Auxiliary Heater

key (reserved)

Turn on or turn off

the unit

Press this key, the

wired controller

restart

Press these two keys

to set temperature and

adjust time

* Mode key

1.PREFACE

In order to provide our customers with quality, reliability and versatility, this

product has been made to strict production standards. This manual includes

all the necessary information about installation, debugging, discharging and

maintenance. Please read this manual carefully before you open or maintain

the unit. The manufacture of this product will not be held responsible if someone

is injured or the unit is damaged, as a result of improper installation, debugging,

or unnecessary maintenance. It is vital that the instructions within this manual

are adhered to at all times.

The unit must be installed by qualified personnel.

1 Durable

The heat exchanger is made of PVC & titanium tube which can withstand

prolonged exposure to corrosives such as chlorine.

The unit can only be repaired by qualified installer centre personnel or an

authorised dealer.

Maintenance and operation must be carried out according to the recommended

time and frequency, asstated in this manual.

Use genuine standard spare parts only.

Failure to comply with these recommendations will invalidate the warranty.

Swimming Pool Heat Pump Unit heats the swimming pool water and keeps the

temperature constant. The indoor unit can be discretely hidden or semi-hidden

to suit a luxury house.

This type of pump has the following characteristics:

2 Installation flexibility

The unit can be installed outdoors or indoors.

3 Quiet operation

The unit comprises an efficient rotary/scroll compressor and a low noise

fan motor, which guarantees its quiet operation.

4 Advanced controlling

The unit includes micro-computer controlling, allowing all operation

parameters to be set. Operation status can be displayed on the wire

controller. You can also choose remote controlling.

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2.SPECIFICATION

2.1 The dimensions for Swimming Pool Heat Pump Unit

108

1046

286

450

810

841

860

Water outlet

( 50)

Water intlet

( 50)

3.INSTALLATION AND CONNECTION

3.5 Swimming Pool Heat Pumps Electrical Wiring

NOTE: although the unit heat exchanger is electrically isolated from the rest of the unit,

it simply prevents the flow of electricity to or from the pool water. Grounding the unit is

still required to protect you against short circuits inside the unit. Bonding is also required.

3.6 Initial startup of the Unit

Note: in order for the unit to heat the pool or spa, the filter pump must be running to

circulate water through the heat exchanger.

Start up procedure - after installation is completed, you should follow these steps:

1. Turn on your filter pump. Check for water leaks and verify flow to and from the pool.

2. Turn on the electrical power supply to the unit, then press the key ON/OFF of wire controller,

it should start in several seconds.

3. After running a few minutes make sure the air leaving the top(side) of the unit is cooler

(between 5-10 ).

4. With the unit operation turn the filter pump off. The unit should also turn off automatically.

5. Allow the unit and pool pump to run 24 hours per day until desired pool water temperature is

reached. When the water-in temperature reach setting, the unit just shuts off. The unit will now

automatically restart (as long as your pool pumps is running) when the pool temperature drops

more than 2 below set temperature.

The unit has a separate molded-in junction box with a standard electrical conduit nipple already

in place. Just remove the screws and the front panel, feed your supply lines in through the conduit

nipple and wire-nut the electric supply wires to the three connections already in the junction box

(four connections if three phase). To complete electrical hookup, connect heat pump by electrical

conduit, UF cable or other suitable means as specified (as permitted by local electrical authorities)

to a dedicated AC power supply branch circuit equipped with the proper circuit breaker, disconnect

or time delay fuse protection.

Disconnect - A disconnect means (circuit breaker, fused or un-fused switch) should be located

within sight of and readily accessible from the uni, this is common practice on commercial and

residential air conditioners and heat pumps. It prevents remotely-energizing unattended equipment

and permits turning off power at the unit while the unit is being serviced.

Water Flow Switch - the unit is equipped with a flow switch that turns it on when the pool pump is

running and shuts it off when the pump shuts off. This switch is the same type used in all gas pool

heaters and is factory adjusted for normal pool installations. If the pool water level is more than a

few feet above or below the thermostat knob of the unit, your dealer may need to adjust it at initial

startup.

Time Delay - the unit is equipped with a 3 minute built-in solid state restart delay included

to protect control circuit components and to eliminate restart cycling and contactor chatter.

This time delay will automatically restart the unit approximately 3 minutes after each control

circuit interruption. Even a brief power interruption will activate the solid state 3 minute restart

delay and prevent the unit from starting until the 5 minute countdown is completed. Power

interruptions during the delay period will have no effect on the 3 minute countdown.

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3.INSTALLATION AND CONNECTION 3.INSTALLATION AND CONNECTION

3.1 Installation illustration

Water inlet

Water outlet

Sand filter

(or other type filter)

Pool

Water supply

Valve

Installation items:

The factory only provides the main unit and the water unit ; the oter items in the illustration

are necessary spare parts for the water system , that provided by users or the installer.

Attention:

Please follow these steps when using for the first time

1.open valve and charge water.

2.make sure that the pump and the water-in pipe have been filled with water.

3.close the valve and start the unit.

3.2 Swimming Pool Heat Pumps Location

The unit will perform well in any outdoor location provided that the following three factors

are present.

1.fresh air - 2.electricity - 3.pool filter piping

The unit may be installed virtually anywhere outdoors.

For indoor pools consult the supplier. Unlike a gas heater,

it has no draft or pilot light problem in a windy area.

Do not place the unit in an enclosed area with a

limited air volume, where the units discharge air

will be re-circulated.

Do not place the unit to shrubs which can block air

inlet. These locations deny the unit of a continuous

source of fresh air which reduces it efficiencyand

may prevent adequate heat delivery.

1000mm

800mm

2000mm

Air outlet

Air inlet

3.3 How Close To You Pool ?

Normally, the pool heat pump is installed within 7.5 metres of the pool. The longer

the distance from the pool, the greater the heat loss from the piping. For the most part,

the piping is buried. Therefore, the heat loss is minimal for runs of up to 15 metres

(15 metres to and from the pump = 30 metres total), unless the ground is wet or the

water table is high. A very rough estimate of heat loss per 30 metres is 0.6 Kw-hour,

(2000BTU) for every 5 difference in temperature between the pool water and the ground

surrounding the pipe, which translates to about 3% to 5% increase in run time.

3.4 Swimming Pool Heat Pumps Plumbing

The Swimming Pool Heat Pumps exclusive rated flow titanium heat exchanger

requires no special plumbing arrangements except bypass (please set the flow rate according

to the nameplate. The water pressure drop is less than 10kpa at max. Flow rate, since there is

no residual heat or flame temperatures, the unit does not need copper heat sink piping. PVC

pipe can be run straight into the unit.

Location: connect the unit in the pool pump discharge (return) line

downstream of all filter and pool pumps, and upstream of any chlorinators,

ozonators or chemical pumps.

Standard model have slip glue fittings which accept 40mm NB

PVC pipe for connection to the pool or spa filtration piping. By using a

50NB to 40NB you can plumb 50NB PVC piping straight into the unit.

Give serious consideration to adding a quick coupler

fitting at the unit inlet and outlet to allow easy draining

of unit for winterizing and to provide easier access

should servicing be required.

PVC COUPLER

RECOMMENDED (provided)

From pool

To pool

CONDENSATION DRAIN BARB FTG

Condensation: since the heat pump cools down the air about 4-5 , water may condense on the

fins of the horseshoe shaped evaporator. If the relative humidity is very high, this could be as much

as several litres an hour. The water will run down the fins into the basepan and drain out through

the barbed plastic condensation drain fitting on the side of the basepan. This fitting is designed to

accept 3/4 clear vinyl tubing which can be pushed on by hand and run to a suitable drain.

It is easy to mistake the condensation for a water leak inside the unit.

NB: A quick way to verify that the water is condensation is to shut off the unit and keep

the pool pump running. If the water stops running out of the basepan, it is condensation.

AN EVEN QUICKER WAY IS to TEST THE DRAIN WATER FOR CHLORINE - if the is no

chlorine present, then it is condensation.

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