Wellis GHD-150-0324 User manual

Wellis® Inverter Spa Heat Pump
USER MANUAL

SUMMARY
1. GENERAL INFORMATION 3
1.1. Contents: 3
1.2. Operating conditions and range: 3
1.3. Advantages of different modes: 3
1.4. Kind reminder: 4
2. OPERATIONS 6
2.1. Notice before using 6
2.2. Operation instructions 6
2.3. Daily maintenance and winterizing 8
3. TECHNICAL SPECIFICATION 9
For users (((
PLEASE READ IT CAREFULLY AND KEEP IT FOR SUBSEQUENT USE
This manual provides you necessary information for optimal use and maintenance

1
Warning：
a. Please read the following tips before installation, use and maintenance.
b. Installation, removal and maintenance must be carried out by Professional personional in
accordance with the instructions.
c. Gas leakage test must be done before and after installation.
1. Use
a. It must be installed or removed by professionals, and it is forbidden to dismantle and refit without
permission.
b. Don’t put obstacles before the air inlet and outlet of the heat pump.
2. Installation
a. This product must be kept away from any source of fire.
b. The installation can’t be in a closed environment or indoors, and must be kept well ventilated.
c. Vacuum completely before welding, field welding is not allowed, welding can only be performed by
professional personnel in professional maintenance center.

2
d. Installation must be stopped if any gas leakage, and the unit must be returned to professional
maintenance center.
3. Transportation & Storage
a. Sealing is not allowed during transportation
b. Transporting goods at a constant speed is needed to avoid sudden acceleration or sudden braking,
so as to reduce the collision of goods.
c. The unit must be far away from any source of fire.
d. Storage place must be bright, wide, open and good ventilation, ventilation equipment is required.
4. Maintenance Notice
a. If maintenance or scrap is required, contact an authorized service center nearby
b. Qualification requirement
All operators who dispose gas must be qualified by valid certification which issued by
professional agency.
c. Please strictly comply with the requirement from manufacturer when maintenance or filling gas.
please refer to the technical service manual.

3
FOR USER
1. GENERAL INFORMATION
1.1. Contents:
After unpacking, please check if you have all the following components.
1.2. Operating conditions and range:
ITEMS RANGE
Operating range Air temp
-7℃～43℃
Temp. setting heating
18℃～40℃
The heat pump will have ideal performance in the operation range Air 15℃～25℃.
1.3. Advantages of different modes:
The heat pump has two modes: Smart and Silence. They have different advantages under different conditions.
MODE RECOMMENDATION ADVANTAGES
Smart mode
As standard
Heating capacity: 20% to 100% capacity
Intelligent optimization
Fast heating
Silence mode
Use at night
Heating capacity: 20% to 80% capacity
Sound level: 3dB (A) lower than Smart mode.

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FOR USER
1.4. Kind reminder:
This heat pump has Power-off memory function. When the power is recovered, the heat pump
will restart automatically.
1.4.1. The heat pump can only be used to heat the pool water. It can NEVER be used to heat other
flammable or turbid liquid.
1.4.2. Don’t lift the water union when moving the heat pump since the titanium heat exchanger
inside the heat pump will be damaged.
1.4.3. Don’t put obstacles before the air inlet and outlet of the heat pump.
1.4.4. Don’t put anything into inlet or outlet, or the efficiency of the heat pump will be reduced or
even stopped.
1.4.5. Don’t use or store combustible gas or liquid such as thinners, paint and fuel to avoid fire.

5
FOR USER
1.4.6. If any abnormal circumstances occurred, e.g.: abnormal noises, smells, smokes and
leakage of electricity, switch off the main power immediately and contact your
local dealer. Don’t try to repair the heat pump by yourselves.
1.4.7. The main power switch should be out of the reach of Children.
1.4.8. Please cut off the power in the lightning storm weather.
1.4.9. Please note that following codes are not failure.
CODES
No water flow
Anti-Freezing Reminder
Out of the operating range
Insufficient water flow or pump blocked
Power abnormal

FOR USER
2.1. Notice before using
2.1.1.
For longer service life, please ensure water pump is on before heat pump starts to work, and
water pump is off after heat pump is off.
2.1.2. Ensure no water leakage on piping system, then unlock screen and press
heat pump.
2.2. Operation instructions
SYMBOL
DESIGNATION
ON/OFF
Unlock
Speed
Up / Down
Note:
① Screen lock:
a.
If no operation in 30 seconds, screen will be locked.
b.
When HP is off, screen will be dark and “0%” will be displayed.
2. OPERATIONS
For longer service life, please ensure water pump is on before heat pump starts to work, and
water pump is off after heat pump is off.
2.1.2. Ensure no water leakage on piping system, then unlock screen and press
2.2. Operation instructions
DESIGNATION
FUNCTION
ON/OFF
Power On/Off
Unlock
Press it for 3 seconds to unlock/lock
Speed
Select Smart/Silence mode
Up / Down
Adjust set temperature
If no operation in 30 seconds, screen will be locked.
When HP is off, screen will be dark and “0%” will be displayed.
6
For longer service life, please ensure water pump is on before heat pump starts to work, and
2.1.2. Ensure no water leakage on piping system, then unlock screen and press
to power on
screen

FOR USER
c. Press
for 3 seconds to lock screen and it will be dark
② Screen unlock:
a. Press
for 3 seconds to unlock screen and it will be lit up.
b.
Only after screen is unlocked, any other buttons can be functioned.
1.Power On: Press
for 3 seconds to light up screen, then press
2.
Adjust Set Temperature: When screen
3.Smart/Silence mode selection:
①
Smart mode as default will be activated when heat pump is on, and screen shows
② Press
to enter Silence mode, and scree
(Suggestion: select Smart mode for initial heating.)
Water inlet
temperature
Water outlet
temperature
for 3 seconds to lock screen and it will be dark
for 3 seconds to unlock screen and it will be lit up.
Only after screen is unlocked, any other buttons can be functioned.
Heating
Heating capacity percentage
Wifi connection
Water inlet
Water outlet
for 3 seconds to light up screen, then press
to power on heat pump.
Adjust Set Temperature: When screen
is unlocked, press or
to display or adjust the set temperature.
Smart mode as default will be activated when heat pump is on, and screen shows
to enter Silence mode, and scree
n shows .
(Suggestion: select Smart mode for initial heating.)
7
to power on heat pump.
to display or adjust the set temperature.
.
Smart/Silence
mode

8
FOR USER
4.Defrosting
a. Auto Defrosting: When heat pump is defrosting, will be flashing. After defrosting, will stop flashing.
b. Compulsory Defrosting: When heat pump is heating, press and together for 5 seconds to start
compulsory defrosting, and will be flashing. After defrosting, will stop flashing.
(Note: Compulsory defrosting intervals should be more than 30 minutes and the compressor should run for more
than 10 minutes.)
5.Wifi setting
Please kindly check the last page.
2.3. Daily maintenance and winterizing
2.3.1. Daily Maintenance
Please don’t forget to cut off power supply of the heat pump
! Please clean the evaporator with household detergents or clean water, NEVER use gasoline,
thinners or any similar fuel.
! Check bolts, cables and connections regularly.
2.3.2. Winterizing
In winter season when you don’t swim, please cut off power supply and drain water out of the
heat pump. When using the heat pump under 2 , make sure℃ there is always water flow.
Important:
Unscrew the water union of inlet pipe
to let the water flow out.
When the water in machine freezes in
winter season, the titanium heat
exchanger may be damaged.

9
FOR USER
3. TECHNICAL SPECIFICATION
Model
GHD-150-
0324
GHD-150-
0325
GHD-150-
0326
GHD-150-
0327
GHD-150-
0328
GHD-150-
0329
GHD-150-
0330
GHD-150-
0331
GHD-150-
0332
GHD-150-
0333
Advised pool volume
(m
3
)
15~30 20~40 25~45 30~55 35~65 40~75 50~95 65~120 65~120 90~160
Working air temp ( )
℃
-7~43
Performance Condition: Air 26°C, Water 26°C, Humidity 80%
Heating capacity (kW)
6.5 8.4 10.3 12.8 15.0 17.3 20.4 27.3 27.0 35.6
C.O.P
14.0~5.7 14.1~7.0 14.5~6.9 15.0~7.4 15.5~6.7 14.8~5.9 14.5~5.7 14.6~6.2 14.5~6.2 14.6~5.5
C.O.P at 50% speed
10.0 10.3 10.4 11.0 10.9 10.5 10.2 10.8 10.8 10.3
Performance Condition: Air 15°C, Water 26°C, Humidity 70%
Heating capacity (kW)
4.8 6.1 7.1 8.3 10.5 11.4 14.0 18.0 18.0 24.0
C.O.P
7.1~4. 3 7.0~4. 8 7.3~4. 6 7.7~4.8 7.8~4.6 7.5~ 4.3 7.4~4.2 7.8~4.6 7.6~4.5 7.7~4.5
C.O.P at 50% speed
6 6.3 6.4 6.8 6.6 6.1 6.1 6.5 6.5 6.8
Rated input
power(kW) at air 15°C
0.13~1.1 0.17~1.2 0.19~1.5 0.22~1.73 0.27~2.2 0.3~2.6 0.38~3.3 0.57~3.8 0.53~3.9 0.62~5.2
Rated input current(A)
at air 15°C
0.56~4.78 0.74~5.2 0.83~6.5 0.96~7.52 1.17~9.6 1.3~11.3 1.65~14.3 2.48~16.5 0.76~5.6 0.89~7.4
Power supply 230V/1 Ph/50Hz 400V/3 Ph/50Hz
Advised water flux
(m³/h)
2~4 2~4 3~4 4~6 5~7 6.5~8.5 8~10 10~12 10~12 12~18
Sound pressure 1m
dB(A)
37.8~47.2 38.8~48.2 38.6~49.9 42.1~50.7 41.3~54.0 43.1~53.8 40.9~54.2 43.5~54.9 43.5~54.9 42.6~54.7
Sound pressure 10m
dB(A)
17.8~27.2 18.8~28.2 18.6~29.9 22.1~30.7 21.3~34.0 23.1~33.8 20.9~34.2 23.5~34.9 23.5~34.9 22.6~34.7
Water pipe in-out
Spec (mm)
48.3
Net Dimension
LxWxH (mm)
961×340×
658
961×340×
658
961×340×
658
961×340×
658
961×340×
658
961×420×
658
961×420×
758
1092×420×
958
1092×420×
958
1161×530×
958
Net Weight (kg)
42 45 49 50 52 63 68 90 93 120
" The values indicated are valid under ideal conditions: Pool covered with an isothermal cover, filtration system
running at least 15 hours a day.
" Related parameters are subject to adjustment periodically for technical improvement without further notice. For
details please refer to nameplate.

Thank you for choosing Full-inverter Pool heat pump
Version: C40Ir32