Table of Contents
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Commercial Series
Air Source Heat Pump Water Heater
Instruction Manual
◆ The instructions in this manual are for the use of qualified individuals specially
trained and experienced in the installation and maintenance of this type of equipment.
◆ Persons not qualified shall not attempt to install, service, or maintain this equipment.
◆ Please read the manual carefully before installation.
◆ Please keep this manual well for future reference.
Model: GT-SKR030P
GT-SKR050P
GT-SKR070P
GT-SKR100P
GT-SKR150P
GT-SKR030B (commercial unit )
GT-SKR050B
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Table of Contents
Related Manuals for Kwikot Commercial Series
Summary of Contents for Kwikot Commercial Series
- Page 1 Commercial Series Air Source Heat Pump Water Heater Instruction Manual Model: GT-SKR030P GT-SKR050P GT-SKR070P GT-SKR100P GT-SKR150P GT-SKR030B (commercial unit ) GT-SKR050B ◆ The instructions in this manual are for the use of qualified individuals specially trained and experienced in the installation and maintenance of this type of equipment.
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Page 2: Table Of Contents
TABLE OF CONTENTS Part I: General Information···············································································································3 Part II: Application & Installation······································································································6 Installation Location requirement·····························································································6 Installation illustration···············································································································7 How to open the front panel·····································································································8 Install the unit···························································································································8 Electrical connection················································································································9 How to relocate the control panel····························································································10 Trial operation··························································································································11 Part III: Control System······················································································································13 Lock/Unlock the buttons···········································································································13 On/Off the unit··························································································································13 Set the clock·····························································································································14... -
Page 3: Part I: General Information
Part I: General Information 1.1 Function description Air source heat pump water heaters are used to make hot water for space heating, domestic hot water systems or commercial hot water systems. 1.2 Important Information For your own security, and to ensure proper operation of the unit, this heat pump unit must be installed and repaired by qualified technician, not consumer himself. - Page 4 and the power supply voltage must correspond with the value indicated on the respective units. All units must be earthed in conformity with legislation in force in the country concerned. 1.3 About heat pump Heat pumps are effective solutions to heating and cooling applications for all types of buildings, domestic, commercial and retail premises including hotels and residential complexes.
- Page 5 1.5 Features of heat pump water heater 1） Wide application It can be widely used in villas, factories, schools, hospitals, hotels, restaurant, swimming pools and spas, bath centers, laundries, etc. 2） More Safety Water and electricity are completely isolated, No electric shock problem, more secure than traditional electrical water heaters.
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Page 6: Part Ii: Application & Installation
Part II Installation &Application 2.1 Transportation When transporting the heat pump, ensure that it is not tilted more than 45°in any direction. The unit in its case can be transported with a lift truck or hand truck. 2.2 Accessories Remove the packaging, be careful not to damage any components. Item Quantity Instruction Manual... -
Page 7: Installation Illustration
2.4 Installation 2.4.1 Installation Illustration for Heat Pump Water Heater (take vertical ventilation series for example) High water level point Low water level point This part of water supply is for reference only Unpressurized Water Tank Water Outlet User's hot Water Inlet water system Temp. -
Page 8: How To Open The Front Panel
2.4.2 How to open the front panel front sheet screw 2.4.3 Install the unit (take vertical ventilation series for example) a. Choose a smooth, horizontal position according to the Location Requirement. b. The vertical distance between the unit and water tank must be less than 6m, and their horizontal distance should not be more than 20m. -
Page 9: Electrical Connection
h. Fix the tank temperature sensor well to prevent it from dropping down. Otherwise, it may cause an action of overheat protection or crash. (See figure right and its Note) water return temp. sensor i. Installation of condensate connector: Connect the connector at the bottom of the main unit. -
Page 10: How To Relocate The Control Panel
leakage Power protection switch switch Electricity grid Power Connection (Take Vertical Ventilation Series for Example) 2.4.5 How to relocate the control panel open the control panel push When you need to relocate the control panel, please refer to the following: Note: cable exit When install the control panel out of the unit,... -
Page 11: Trial Operation
2.5 Trial Operation To ensure that start-up is performed correctly, it should only be operated by qualified technician. 2.5.1 Preparation The following items need to be checked prior to start-up: a).The heat pump must be fully connected. b).All valves that could impair the proper water flow in piping system must be open. c).The air intake and air outlet paths must be clear. - Page 12 2.5.3 Caution If something happen as follows, please stop it immediately and cut the power off. You should contact with our authorized agent or maintenance personnel. Do not repair it by yourselves. Without professional technology, it may cause fire and you may get hurt. Fuse blown or protection device breaks frequently ●...
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Page 13: Part Iii Control System
Part III Control System 3.1 Overview The controller consists of PCB and operation panel and it makes the unit more automatically for it can not only meet the internal control requirements, but also helps to control the external apparatus. Meanwhile, it can be easily set after it leaves the factory. And it becomes one kind of popular and advanced integrated controllers for its great integrated functions and its large screen operation panel. -
Page 14: Set The Clock
1. Connect power to the unit, press button to turn on the unit (see picture ON ), When compressor starts working, icon flashes on screen (see picture Compressor starts running) 2. When the unit is on, press button, you can turn it off (see picture OFF). C. -
Page 15: Manually Control Water Supply
button to set the hour， press button， then press button to set the minute, press button, flashing on the screen, then press button to set the hour, press button，then press button to set the minute, press button to finish setting. The setting will be saved automatically when no further operation on it for 10 seconds. - Page 16 actual measured data as below，press button to exit. Table 3.2 Name Item Remark Code of recoverable fault It shows “28” when it works normally, others please refer to Table “Mode Selection" Code “00” timed water supply mode, “01” Direct water supply Name “02”...
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Page 17: Part Iv Maintenance
fault code is shown on screen. ◆ Auto-antifreeze: To prevent the pipes and pumps from being frozen, the unit will defrost automatically ℃ when it meets the condition as follows: the ambient temperature is lower than 2 the water outlet temperature is lower than 10℃... -
Page 18: Part V Trouble Shooting
Part V Trouble shooting Table 3 Fault Fault Possible Causes Treatment Code ◇ Open-phase ◇ Check the three-phase power supply Open-phase protection ◇ Anti-phase ◇ Exchange wirings of two phases Anti-phase protection ◇ Hydraulic switch destroyed ◇ Replace the hydraulic switch Hydraulic pressure ◇... - Page 19 ◇ The sensor open circuit ◇ Reconnect the wirings of the sensor Water outlet sensor ◇ The probe of the sensor falls down ◇ Retighten the probe fault (open circuit or short ◇ the sensor short circuit ◇ Renovate wirings circuit) ◇...
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Page 20: Part Vi Wiring Diagram
Part VI Wiring Diagram GT-SKR030B Wiring Diagram with commercial control system water return water ambient coil tank water outlet temp. temp. temp. temp. temp. sensor sensor sensor sensor sensor control panel transformer electronic expansion valve current detection current transformer water flow switch high pressure... - Page 21 current transformer water refill magnetic valve water supply pump return water magnetic valve electrical heating signal water pressure switch water flow switch high water level magnetic switch low water level magnetic switch Earth - 21 -...
- Page 22 current transformer circulation pump water refill magnetic valve water supply pump return water magnetic valve electrical heating signal water pressure switch water flow switch high water level magnetic switch low water level magnetic switch Earth - 22 -...
- Page 23 current transformer 1 current transformer 2 FUSE electrical circulation pump heater water refill compressor 2 magnetic valve compressor 1 water supply pump four-way valve return water water return magnetic valve valve water refill electrical heating valve signal water supply pump water pressure switch electronic water flow switch...
- Page 24 current transformer 1 current transformer 2 FUSE circulation pump (380V) electrical heater water refill compressor 2 magnetic valve compressor 1 water supply pump four-way valve return water water return magnetic valve valve water refill electrical heating valve signal water supply pump water pressure switch electronic...
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