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  4. GT 28
  5. Operation Manual

Oilon GT 28 Operation Manual

Summary of GT 28

  • Page 1

    Gt02 1408 en operation manual gt 5 - gt 28 read these instructions carefully before installation, use, or maintenance.

  • Page 3: Contents

    Gt02 1408 en 1 (24) contents 1. Introduction 1.1. Warnings....................................................................................................... 3 1.2. Transportation and storage.......................................................................... 3 1.3. Delivery content, optio...

  • Page 4

    2 (24) gt02 1408 en.

  • Page 5: 1. Introduction

    Gt02 1408 en 3 (24) 1. Introduction 1.1. Warnings keep the operation manual near the device! Read these instructions carefully before using, adjusting or maintenance of the device. Follow the given instructions. Remember to ask the hvac technician to fill in the installation record, which is returne...

  • Page 6

    4 (24) gt02 1408 en the heat pump can be tilted to a maximum angle of 45 degrees for short periods of time (1–2 minutes). 1.3. Delivery content, optional equipment and accessories standard delivery content heat pump standard delivery includes the following: ● heat pump ● condenser pump ● ground circ...

  • Page 7

    Gt02 1408 en 5 (24) 1.4. Ground source heat pump operating principle a ground source heat pump is a device that uses heat energy from the sun that is absorbed into earth’s surface. A b c re15 ver. 2 1. Evaporator 2. Compressor 3. Condenser 4. Expansion valve a. Brine circuit b. Refrigerant circuit c...

  • Page 8

    6 (24) gt02 1408 en next, the high-pressure gaseous refrigerant is led into the condenser, where it releases its heat energy into the water that circulates between the heat pump and the buffer tank. As the refrigerant releases its heat energy and its temperature drops, it becomes liquid again. The l...

  • Page 9: 2. Operation

    Gt02 1408 en 7 (24) 2. Operation 2.1. Control system the heat pump is equipped with an automatic control system which manages heating and domestic hot water production. The control system includes the built-in automation system, the sensors attached to it, and a control panel. Browsing and changing ...

  • Page 10

    8 (24) gt02 1408 en control panel buttons 1 domestic hot water 6 ok 2 heating mode 7 cooling 3 information 8 reset 4 back/esc 9 occupancy button 5 settings knob domestic hot water button when this function is on, the heat pump generates domestic hot water automatically according to set settings. Whe...

  • Page 11

    Gt02 1408 en 9 (24) cooling mode button if you have a separate air conditioning unit, you can connect the heat pump to it and use the cooling mode button to change the heat pump’s operation from heating to cooling. By default, this button is not in use. Reset button use the reset button to acknowled...

  • Page 12

    10 (24) gt02 1408 en if the feature is sued, note following issues for locating remote control unit. ● locate the remote control unit to the main living area. ● choose the location so that sensor can measure room temperature as accurately as possible. Place the remote control unit ideally on a light...

  • Page 13

    Gt02 1408 en 11 (24) 5. Press the ok button to select the operating line and edit its setting. 6. Adjust the setting. Use the settings knob to change the operating line setting. 7. Confirm the change. Press the ok button to confirm your changes. If you mistakenly entered a different menu than you in...

  • Page 14

    12 (24) gt02 1408 en a list of available operating lines appears on screen. 3. Select hours / minutes and press the ok button. The setting for hours starts blinking on screen. 4. Set current time in hours and press the ok button. The setting for minutes starts blinking on screen. 5. Set current time...

  • Page 15

    Gt02 1408 en 13 (24) heating curve can be adjusted using heating curve displacement. Then curve slope is according to curve control, but set value raises or decreases. + raises setting and – decreases setting. Adjust curve on operating lines 721: heating curve displacement (heating circuit 1) and 10...

  • Page 16

    14 (24) gt02 1408 en 2.11. Resetting alarms and failures it is possible to reset all errors and alarms at once as soon as the alarm symbol is displayed on screen by pressing the reset button instead of the information button. However, if you do so, you will not see any description of the error on sc...

  • Page 17

    Gt02 1408 en 15 (24) a. Press the ok button to access the menu system. B. Press the information (i) button for 5 seconds, select commissioning user level and press ok button. 3. Take the heating circuit into use. A. Select configuration menu and press ok button. B. Select free heating circuit ( 5710...

  • Page 18

    16 (24) gt02 1408 en time and date operating line number function 1 hours/minutes set clock time. 2 day/month set date. 3 year set year. User functions operating line number function 20 language select the control system language. Wireless remote control (optional extra) operating line number functi...

  • Page 19

    Gt02 1408 en 17 (24) 721 / 1021 heating curve displacement if curve slope is suitable for heating circuit, but room temperature is constantly too low or high in comparison to set value, temperature can be changed from operating lines. ‘+’ adjustment increases circulation setting and room temperature...

  • Page 20

    18 (24) gt02 1408 en heat pump operating line number function 2880 use electric flow setting for switching on electric heater. Options: ● substitute: electric heater is used only in failure mode. ● complem operation hc: if heat pump cannot produce required capacity for heating circuit, electric heat...

  • Page 21

    Gt02 1408 en 19 (24) fault operating line number function 6710 reset alarm relay relay can be reset through relay output qx, if heat pump has failure data for external system. Failure data at pump remains active. 6711 reset hp reset heat pump, if failure is not active. Service/special operation oper...

  • Page 22

    20 (24) gt02 1408 en 8410 return temp hp displays temperature of the return water to the heat pump. 8412 flow temp hp displays condenser outlet temperature. 8415 hot-gas temp hp 8427 source inlet temp displays collector circuit inlet temperature. 8429 source outlet temperature displays collector cir...

  • Page 23: 3. Maintenance

    Gt02 1408 en 21 (24) 3. Maintenance 3.1. Cleaning the brine circuit filter switch off electricity before performing any maintenance work. Open the filter carefully, as there is fluid in the pipe. 1. Switch off the heat pump using the main power switch q1 . 2. Shut the filter isolation valves. 3. Ope...

  • Page 24

    22 (24) gt02 1408 en no. Definition sensor cause action 41 condenser difference min.Limit too low temperature over condenser slow down pump rotation speed. 42 evaporator difference max. Limit too large temperature difference over evaporator check ground circuit venting. Increase pump rotation speed....

  • Page 25: 4. Technical Data

    Gt02 1408 en 23 (24) 4. Technical data 4.1. Technical data dimensions and weight gt 5 gt 7 gt 9 gt 11 gt 13 gt 16 gt 20 gt 28 height (mm) 1135 1135 1135 1135 1135 1450 1503 1503 width (mm) 600 600 600 600 600 600 600 600 depth (mm) 600 700 700 700 700 700 700 700 weight (kg) 145 150 155 160 170 190 ...

  • Page 26

    24 (24) gt02 1408 en fuse size (a) 3 x 20 3 x 20 3 x 20 3 x 25 3 x 25 3 x 32 3 x 40 3 x 50 fuse size, if electrical heater is disabled or set as auxiliary (a) 3 x 10 3 x 10 3 x 16 3 x 16 3 x 16 3 x 16 3 x 20 3 x 25 electical heater max. Capacity (kw/a) 6 / 8,7 6 / 8,7 6 / 8,7 6 / 8,7 6 / 8,7 9 / 13,...

  • Page 28

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