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MICROWELL HP 1700 SPLIT, Installation And User Manual

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HEAT P

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HP

 

 

Thank  you 

for  purchasing  Microwell  swimming  pool  heat  pump. 

Before you use this device, it is necessary to carefully read the entire 
Installation and user manual. It is not allowed to commence the heat 
pump  installation  or  operation  unless  full  content  of  this  Installation 
and user manual is understood and acknowledged. Please keep the 
Installation  and  user  manual  available  in  the  case  of  any  future 
reference  is  required.  Please  provide  this  information  also  to  each 
user  of  the  device.  Please  mind  local  regulations  in  your  country 
regarding installation and usage of this heat pump which are valid in 

addition to this User manual. 

Contents 

1. INTRODUCTION

 

 ............................................................................................................................... 4

1.1 Product 

description

 

 ................................................................................................................. 4

1.2 Package 

checking

 

 .....................................................................................................................  5

1.3 

Waste disposal information

 

 .................................................................................................... 5

2. SAFETY 

MEASURES

 

 .......................................................................................................................... 6

2.1 Electrical 

safety

 

........................................................................................................................ 6

2.2 Usage 

precautions

 

 ................................................................................................................... 6

2.3 Handling 

precautions

 

 .............................................................................................................. 7

3. TECHNICAL 

SPECIFICATION

 

 ............................................................................................................. 8

3.1 Technical 

data

 

.......................................................................................................................... 8

3.2 

Swimming pool water parameters

 

 .......................................................................................... 9

3.3 

Heat pump dimensions

 

 ........................................................................................................... 9

3.4 

Description of the basic parts

 

 ..................................................................................................  9

3.5 

Security and control systems

 

 ................................................................................................ 10

3.6 

Block wiring diagram of the PCB board – Display on condensing unit

 

 ..................................  12

3.7 

Block wiring diagram of the PCB board – Display on water unit

 

 ...........................................  13

4.  HEAT PUMP INSTALLATION AND CONNECTION

 

 ............................................................................  14

4.1 Positioning

 

 .............................................................................................................................  14

4.2 

Connection to water filtration circuit

 

 ....................................................................................  15

4.3 

Needed components for connection to water circuit

 

 ...........................................................  16

4.4

 Electrical 

connection

 

 ............................................................................................................. 18

4.5 Refrigerant 

circuit 

connection

 

 ...............................................................................................  18

4.6 Flaring 

work

 

 ........................................................................................................................... 20

4.7 Seaside 

installation

 

 ................................................................................................................  22

4.8 

Multiple heat pump connection

 

 ............................................................................................  23

Summary of Contents for HP 1700 SPLIT

Page 1: ...Version 01 2017 HEAT PUMP for swimming pool water heating cooling HP 1700 SPLIT Installation and user manual ...

Page 2: ...on and usage of this heat pump which are valid in addition to this User manual Contents 1 INTRODUCTION 4 1 1 Product description 4 1 2 Package checking 5 1 3 Waste disposal information 5 2 SAFETY MEASURES 6 2 1 Electrical safety 6 2 2 Usage precautions 6 2 3 Handling precautions 7 3 TECHNICAL SPECIFICATION 8 3 1 Technical data 8 3 2 Swimming pool water parameters 9 3 3 Heat pump dimensions 9 3 4 D...

Page 3: ...10 Circulation pump connection 24 5 REGULATION 25 6 ACCESSORIES 30 6 1 Winter module 30 6 2 Heat exchanger frost protection 30 6 3 Condensate tray defrost 30 6 4 Protection cover 30 7 HINTS AND TIPS 31 7 1 Water condensation 31 7 2 Winterizing 31 7 3 Heat pump season start 32 7 4 Failure reports 33 7 5 Troubleshooting save time and money 34 8 MAINTANANCE WARRANTY 35 8 1 Maintanance 35 8 2 Warranty...

Page 4: ... m3 HP 1700 of pool water volume For proper operations there must be water flow through the exchanger of the heat pump within water filtration circuit in the range of 686 m3 h The heat pump enables heat gain from the external air surrounding the swimming pool through the compression expansion cycles of the heat carrying liquid The air is driven by a fan through the evaporator where it will deliver...

Page 5: ...g 1 The heat pump condensing unit the heat exchanger indoor unit Please see section 3 4 Description of the basic parts to see how the heat pump looks like 2 This Installation and user manual 3 Four rubber silent blocks 1 3 Waste disposal information When using this heat pump in the European countries the following information must be followed DISPOSAL Do not dispose this product as unsorted munici...

Page 6: ...y cause electrical or frequency disturbance such as welding machines motors or rotors WIFI WLAN routers or repeaters v It is forbidden to alter electrical installation of the device It is also forbidden to alter any other part or functionality of the device 2 2 Usage precautions Do not cover or block the intake or exhaust opening ventilator and evaporator covers It is forbidden to block or cover t...

Page 7: ...hanger v Do not apply or use water of higher temperature than 40 C in water heat exchanger Water temperature above 45 C irreversibly damages the water heat exchanger v Manufacturer does not bear any responsibility concerning damages caused by inappropriate heat pump performance and or model selection installation or application Heat pump is considered undersized in the case it works usually and in...

Page 8: ...m 20 Max length of refrigerant connection vertically m 15 Max recommended water pipe length m 30 Max operational water pressure 0 15MPa 1 5bar Net unit dimensions w h d condensing unit 1125 707 453 Gross unit dimensions w h d condensing unit 1150 843 480 Net Gross weight kg condensing unit 100 90 Net unit dimensions w h d water unit without box 650 370 400 Gross unit dimensions w h d water unit wi...

Page 9: ...lowing pH value ranging from 6 8 to 7 9 total chlorine amount not exceeding 3 mg l salt content 6 wt wt Should you have different values of pH chlorine or salt please try to apply appropriate agents or contact your swimming pool builder to resolve the situation Above mentioned values are recommended for pools in general It is also advised to keep the water hardness on the lower limit of the optima...

Page 10: ...igerant connection OUT condensing unit IN liquid heating mode 5 Refrigerant connection IN condensing unit OUT gas heating mode 6 Flow switch 7 Temperature sensor water in T2 8 Temperature sensor water out T5 9 Electro box 10 Heat exchanger box in cooling mode applies in reversed order Please note that above pictures may differ from your actual heat pump make 3 5 Security and control systems In ord...

Page 11: ...tection will get activated so the unit cannot start the operation earlier than the pressures in the refrigerant circuit of the heat pump get balanced Interruption of the power supply during the pause time does not influence the time interval Antifreeze protection If an ambient air temperature is low e g below 7 C it is normal to have ice creations on the evaporator of your heat pump This is freezi...

Page 12: ... 500W Sensors T4 Picture Power supply connection of the condensing unit auxliary circulation pump and 1 4 sensors of the water unit T3 T1 1 2 3 4 1 2 3 4 T2 T5 Picture Four pin terminal connection of water unit 1 4 sensor connection with condensing unit Legend FM Fan motor CM Compressor OUT 1 Compressor L OUT 2 Compressor N OUT 3 output of 4 way valve L OUT 4 output of 4 way valve OUT 5 fan L OUT ...

Page 13: ...y circulation pump 1 4 sensors of the water unit and A B C connector of the control display T3 T1 1 2 3 4 1 2 3 4 T2 T5 Picture Four pin terminal connection of water unit 1 4 sensor connection with condensing unit and three pin terminal connection of the control display Legend FM Fan motor CM Compressor OUT 1 Compressor L OUT 2 Compressor N OUT 3 output of 4 way valve L OUT 4 output of 4 way valve...

Page 14: ...tc Also do not place the air outlet against the dominant winds e The distance between the water unit and the condensing unit can be max 20m HP900 and max 30m HP1200 horizontally and max 15m vertically condensing unit above water unit Split heat pump was designed to provide with water temperature control of a pool and in the meantime provide no visual and or acoustic disturbance to a pool user It i...

Page 15: ...s equipped with 2 threads enabling the connection of input and output fitting d50 For connection with the filtration circuit use the d50 PVC pipe or 50 38mm adapters 6 4 Please refer to section 3 4 Description of the basic parts in order to make sure which thread is water input and which water output It is advised to apply lubricating oil on threads before tightening the connection Please consider...

Page 16: ...hese components are not part of heat pump package or delivery Important For proper operations there must be a water flow through the heat pump exchanger in range of 4 6 m3 hour In the case of water flow exceeding 10m3 h the heat pump will turn itself off and an error notice PL will pop up Repeated error notice or repeated exposure of the heat pump to the water flow higher than 8m3 h will cause irr...

Page 17: ...rcuit of the swimming pool Note The manufacturer supplies the heat pump only The other parts and components shown in the picture are not included in heat pump package Swimming pool Skimmer Chlorine dozing machine Reversible nozzle Bottom outlet Filtration pump By pass valves Technical chamber min 3500mm Heat pump AIR unit min 500mm Wall Condensate outlet Heat pump WATER unit 4 way valve Filtration...

Page 18: ...e in compliance with local valid electro technical requirements d The electro connection of the heat pump must be simple clear and comprehensible It is highly advised to have the connection performed in a way that would allow a third party electrician to understand the connection at no time Unnecessary cross connections are not appropriate e It is important to carefully check and measure the elect...

Page 19: ... 40g of R410A per 1 meter for exceeding connecting distances between condensing and water unit Piping length and elevation Heat pump model Pipe size Factory pre charged connection distance Max vertical distance B Max distance A Additional refrigerant Gas diameter Liquid diameter inch mm inch mm HP1700 5 8 15 9 3 8 9 5 10m 15m 20m 40g m Refrigerant piping condensing unit 1 Align the center of the p...

Page 20: ...cable from down upwards Fix the tapped piping with cable binder or equivalent onto the exterior wall It is important to make a trap to prevent water from entering into the electro installation of the condensing unit On refrigerant side it is important to form a syphon 4 6 Flaring work It is important to perform the flaring work correctly This will have positive effect towards long term reliability...

Page 21: ...st can be performed with usual methods using manifold valve and or soap water Air purging can be performed by most commonly applied methods with vacuum pump This Installation and user manual elaborates vacuum pump method When the condensing unit is pre charged with refrigerant we do not recommend a pressure test using nitrogen Air purging with vacuum pump 1 Preparation a Check that each tube both ...

Page 22: ... 2 Turn the valve stem of gas side valve counter clockwise to fully open the valve 3 Remove the charging hoses 4 Put service valve caps back at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump and refrigerant works Please note that above flaring and refrigerant work must be performed correctly with utmost care Any non compliance with above...

Page 23: ...der achieve requested water temperature Such installation is particularly advised on public venues where continuity of operation service is paramount Installation of the multiple heat pumps follows the same procedure as single heat pump described above It is only necessary to install the heat pumps in parallel connection Serial connection would significantly decrease the heating cooling capacity a...

Page 24: ... In order to save energy it is possible to install the heat pump on a separate water circuit with small circulation pump This is appropriate in the case the power consumption of circulation pump for filtration is considered high or simply if the whole filtration circuit running is not desired when heating cooling is required Normally swimming pool circulation pumps with water flow performance betw...

Page 25: ...H P 9 0 0 1 2 0 0 S P L I T P R E M I U M I n s t a l l a t i o n a n d u s e r m a n u a l P a g e 2 5 3 6 V e r s i o n 0 1 2 0 1 7 H E A T P U M P M I C R O W E L L H P 5 REGULATION ...

Page 26: ...I n s t a l l a t i o n a n d u s e r m a n u a l H P 9 0 0 1 2 0 0 S P L I T P R E M I U M V e r s i o n 0 1 2 0 1 7 P a g e 2 6 3 6 H E A T P U M P M I C R O W E L L H P ...

Page 27: ...H P 9 0 0 1 2 0 0 S P L I T P R E M I U M I n s t a l l a t i o n a n d u s e r m a n u a l P a g e 2 7 3 6 V e r s i o n 0 1 2 0 1 7 H E A T P U M P M I C R O W E L L H P ...

Page 28: ...I n s t a l l a t i o n a n d u s e r m a n u a l H P 9 0 0 1 2 0 0 S P L I T P R E M I U M V e r s i o n 0 1 2 0 1 7 P a g e 2 8 3 6 H E A T P U M P M I C R O W E L L H P ...

Page 29: ... d u s e r m a n u a l P a g e 2 9 3 6 V e r s i o n 0 1 2 0 1 7 H E A T P U M P M I C R O W E L L H P Note The manufacturing settings may differ from the data in the chart Notice Manufacturer reserves the right to change parametres or controller functions without notice ...

Page 30: ...matically regulated It turns itself on if the ambient air temperature decreases below 2 C Power consumption is 64W In the case the heat pump will not be used in winter time along with winterizing it is suggested to turn the heat pump s circuit breaker off in order to avoid unecessary energy consumption Heat exchanger frost protection is on demand and is not supplied with each heat pump by standard...

Page 31: ... found in the outflowing water if chlorine or salt are used If there is no chlorine or salt then it is a condensate 7 2 Winterizing Split heat pump has been designed to have the water unit water heat exchanger installed in non freezing location Should your application have risk of freezing up please read through this section of this Installation and user manual carefully Your heat pump continuousl...

Page 32: ...you need to prepare your heat pump for new season In general please refer to this Installation and user Manual Heat pump must be connected to the mains water circuit it must comply with positioning requirements During the initial start of the heat pump it is possible to have PL error This signals low high or none water flow and results in heat pump turning off If your water piping is intact circul...

Page 33: ...P M I C R O W E L L H P 7 4 Failure reports Please find below table containing list of failure reports with their explanation and suggested solution In order to physically locate the sensor please refer to section 3 6 Block wiring diagram of the PCB board Display on condensing unit or 3 7 Block wiring diagram of the PCB board Display on water unit ...

Page 34: ...e for figure 17 Section 5 6 Parameters check The figure must be sub zero If it s below zero your heat pump should initiate defrosting shortly If it s above zero then it is likely displaced Sensor must be placed correctly P1 failure report is signalled by digital control panel Your heat pump will automatically defreeze itself in 45min cycles You can force your heat pump to immediate defrosting Sect...

Page 35: ...current and voltage DANGER Danger of electric shock WARNING The device is pressurized with refrigerant R410A The pressures can reach as high as 30bar a Clean the swimming pool and the filtration on regular basis to prevent the device from damage caused by dirty or clocked filter b Check the power supply on regular basis c Should the device appear to operate in unusual way turn it off immediately a...

Page 36: ...in order to avoid its spread k Do not clean inner parts of water heat exchanger with hot water The heat exchanger will get damaged if water temperature inside it rises above 60 C l All the above measures must be performed by a trained technician m The maintenance of the refrigeration or electrical system must be performed by authorized technicians only 8 2 Warranty Your heat pump is covered by war...

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