Kronoterm WPL-18-K1 HK 3F E, WPL-16-K1 HK 3F E, WPL-18-K1 HT 3F E, WPL-18-K1 HT, WPL-23-K1 HT Service Instructions Manual

Service instructions

For the Air-Water Heat Pump

WPL-16-K1 NT (WPL-16-K1 NT/HK 3F E)
WPL-18-K1 HT (WPL-18-K1 HT/HK 3F E)
WPL-23-K1 HT (WPL-23-K1 HT/HK 3F E)

WPL-31-K1 HT (WPL-31-K1 HT/HK 3F)

ID.: 17-17-16-4517-01 / 4.2017

ENG

SERVICE

REVISION

SER. NO. OF

INTRODUCED CHANGE

DATE OF INTRODUCED

CHANGE

EXCEPTIONS

01 216330314 28.9.2016

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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4.2017

Service manual - Version 01 / 4.2017

Printed in Slovenia, copyright: Termo-tehnika, d. o. o.

This document is copyrighted. Any use outside the provisions of the copyright law without the
permission of Termo-tehnika d.o.o. is illegal and punishable by law. All previous versions of
this document are void. We reserve the right to make changes and mistakes in print.

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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Index

Index 2

1. Serial number structure ........................................................................................ 3

2. The position of connections and dimensions ..................................................... 4

3. Technical data ....................................................................................................... 4

4. Removal of front cover ......................................................................................... 4

5. Cooling piping diagram ........................................................................................ 5

5.1 WPL-16-K1 ............................................................................................................. 5

5.2 WPL-18-K1, WPL-23-K1, WPL-31-K1 ..................................................................... 7

6. Electrical wiring diagram ...................................................................................... 9

6.1 WPL-16-K1 in WPL-18-K1 ....................................................................................... 9

6.2 WPL-23-K1 in WPL-31-K1 ......................................................................................11

7. Components .........................................................................................................13

7.1 Bill of materials WPL-16-K1 NT (WPL-16-K1 NT/HK 3F E) ....................................13

7.2 Bill of materials WPL-18-K1 (WPL-18-K1 HT/HK 3F E) ..........................................14

7.3 Kosovnica WPL-23-K1 (WPL-23-K1 HT/HK 3F E) ..................................................16

7.4 Kosovnica WPL-31-K1 (WPL-31-K1 HT/HK 3F) .....................................................17

7.5 Position on the device ............................................................................................19

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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1. Serial number structure

The serial number is structured to include the following information:

T - type of device/sales group
YY - year of manufacture
WW - calendar week of device manufacture
XXXX - serial number of the product in the production year.

T YY WW XXXX (written without spaces)

Example: 215460001

2 15 46 0001

HEATING HP Year of manufacture (2015) Calendar year of man.

Serial no. in the year (0001,

0002, 0003...)

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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2. The position of connections and dimensions

3. Technical data

See Installation manual for the air-water heat pump ID: 17-15-45-2567-xx.

4. Removal of front cover

To access the electrical and cooling part of the device, first remove the sides as shown in the
Installation manual for the air-water heat pump ID: 17-15-45-2567-xx.

1

Removable lid for connecting water in the installation mode V1 (on the bottom

of the device)
3 Supply pipe for heating
4 Return pipe for heating

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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4.2017

5. Cooling piping diagram

5.1 WPL-16-K1

Temperature sensor
HP (high pressure) switch
LP (low pressure) switch
Flow switch

Permanent direction

Heating

Defrosting / Cooling

Refrigerant
Control and data Return pipe for heating
Supply pipe for heating Unit limit

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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4.2017

1 Compressor 14 HP switch
2 Condenser 15 LP switch
3 Evaporator 16 Flow switch

4

TXV (thermostatic expansion valve),
heating

17 Economiser

5 Filter, dehydrator 18 TXV, Eco
6 Moisture indicator 19 Electromagnetic valve
7 4-Way valve 20 Moisture indicator Eco
8 TXV, cooling 21 Check valve
9 Tank 22 Check valve
10 Check valve 23 Capillary pipe
11 Check valve 24 LP switch
12 Fan 25 Closing ball valve
13 Electrical heater 26 Closing ball valve

Tabel of pipe diamteters

WPL 16

WPL 18

WPL 23 WPL 31

P1

Φ16 x 1 Φ16 x 1 Φ22 x 1 Φ22 x 1

P2

Φ28 x 1 Φ28 x 1 Φ35 x 1 Φ35 x 1

P3

Φ12 x 1 Φ12 x 1 Φ16 x 1 Φ16 x 1

P4

Φ12 x 1 Φ12 x 1 Φ16 x 1 Φ16 x 1

P5

Φ12 x 1 Φ16 x 1 Φ16 x 1 Φ16 x 1

P6

Φ12 x 1 Φ16 x 1 Φ16 x 1 Φ16 x 1

P7

Φ28 x 1 Φ28 x 1 Φ35 x 1 Φ35 x 1

P8

Φ28 x 1 Φ28 x 1 Φ35 x 1 Φ35 x 1

P9

/ Φ10 x 1 Φ10 x 1 Φ10 x 1

P10

/ Φ12 x 1 Φ16 x 1 Φ16 x 1

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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4.2017

5.2 WPL-18-K1, WPL-23-K1, WPL-31-K1

Temperature sensor
HP (high pressure) switch
LP (low pressure) switch
Flow switch

Permanent direction

Heating
Defrosting / Cooling

Refrigerant
Control and data Return pipe for heating
Supply pipe for heating Unit limit

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

8

4.2017

1 Compressor 14 HP switch
2 Condenser 15 LP switch
3 Evaporator 16 Flow switch

4

TXV (thermostatic expansion valve),
heating

17 Economiser

5 Filter, dehydrator 18 TXV, Eco
6 Moisture indicator 19 Electromagnetic valve
7 4-Way valve 20 Moisture indicator Eco
8 TXV, cooling 21 Check valve
9 Tank 22 Check valve
10 Check valve 23 Capillary pipe
11 Check valve 24 LP switch
12 Fan 25 Closing ball valve
13 Electrical heater 26 Closing ball valve

Tabel of pipe diamteters

WPL 16

WPL 18

WPL 23 WPL 31

P1

Φ16 x 1 Φ16 x 1 Φ22 x 1 Φ22 x 1

P2

Φ28 x 1 Φ28 x 1 Φ35 x 1 Φ35 x 1

P3

Φ12 x 1 Φ12 x 1 Φ16 x 1 Φ16 x 1

P4

Φ12 x 1 Φ12 x 1 Φ16 x 1 Φ16 x 1

P5

Φ12 x 1 Φ16 x 1 Φ16 x 1 Φ16 x 1

P6

Φ12 x 1 Φ16 x 1 Φ16 x 1 Φ16 x 1

P7

Φ28 x 1 Φ28 x 1 Φ35 x 1 Φ35 x 1

P8

Φ28 x 1 Φ28 x 1 Φ35 x 1 Φ35 x 1

P9

/ Φ10 x 1 Φ10 x 1 Φ10 x 1

P10

/ Φ12 x 1 Φ16 x 1 Φ16 x 1

©Termo-tehnika, d.o.o.

ID.: 17-17-16-4517-01

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4.2017

6. Electrical wiring diagram

6.1 WPL-16-K1 in WPL-18-K1

MARK OF THE ELEMENT

CONNECTING CLIPS

DESCRIPTION

X1

Connecting clip

, PE

Grounding wire

N

Neutral wire

L1, L2, L3

Connecting phases of the supply cable

4,5

Safety thermostat

RV 6

Reversible valve

7

Connecting clip ~ 230 V

N

Neutral wire

GND

Functional grounding

F2, F3, F4, F5

Circuit Breakers

MD3

Input/output module MD3

JMP

Position of jumper (on second position)

M1 Q1

Heat source

Q2

Connecting compressor 1.

Q5

Additional source – electrical flow heater

RV Q6

Reversible valve

Q11

Valve for cooling

A1

Return temperature sensor

A3

Compressor temperature sensor

A4

Evaporator temperature sensor

A5

Temperature sensor for outdoor temperature

A6

Temperature sensor of the supply pipe

D1

Overvoltage protection

D2

High-pressure switch

NT1 D3

Low-pressure switch 1 in heating mode

NT2 D3

Low-pressure switch 2 in cooling mode

PS D4

Flow switch

GND

Functional grounding

TE1

Comuniction with the PLC

EG

Electrical flow heater

C1, C3

Contactors

R1, R2

Relays

EMV

Electromagnetic valve

KF

Phase control, voltage relay

M 1~

One-phase motor

M 3~

Three-phase motor

M1

Fan

M2

Compressor 2

TV

Thermal switch

GK1, GK2, GK3

Heating cables

WPL18

-HT

Only in high-temperature model