Thermann Installer's Manual
Thermann X Split Heat Pump
34
COMMISSIONING CHECKLIST
TASK LIST
Tick
Box
Installation
condition
and
installation
work
Are waterproofing and drainage works carried out on the installation floor?
Is the tank installed firmly and horizontally?
Is the tank firmly installed and free of rattles?
Is the construction work sucient to withstand the weight of the tank when full of water?
Do you have enough space to install the tank and heat pump unit?
Are there any flammable hazardous materials in the vicinity? Are there any corrosive gases in the vicinity?
Is the heat pump unit securely installed?
Do you have the service space needed for inspection and repair?
Are there any scratches, deformation, or stains on the exterior?
Does the heat pump unit come with a tank thermistor shield wire, installation instructions, and a drain elbow?
Is the tank thermistor installed in the tank with the tip of the thermistor touching the tip of the tube?
After installing the tank thermistor, did you tighten the holder to make sure it would not come loose?
Pipework
Do you use tap water for water supply? (Do not use groundwater, well water, or hot spring water.)
Have you inspected the piping for leaks and confirmed that there are no leaks?
Are there any water leaks from the water supply piping, hot water supply piping, or other piping connections?
Is the main water valve installed in the proper position?
Are the drainage pipes heat resistant to temperatures exceeding 65°C?
Is the heat insulation work of the piping properly done?
Is the freezing prevention work being done properly (for areas where there is a risk of freezing)?
Does the drain hose lead to the drainage path?
Slowly open and close the lever of the PTRV to see if the water release and shuto are normal.
When the PTRV lever is raised and the drain plug is opened, does the drain pipe overflow?
Have you attached the drain elbow to the bottom plate of the heat pump unit? Also, is a drain hose attached to the end of the elbow to lead to
the drainage path?
Are you sure about the drainage work?
Electrical
Work
Have you checked the operation of the earth leakage circuit breaker?
Are you sure you're grounded?
Are the power supply wires securely connected and fixed so that no external force is transmitted to the terminal block connection?
Is the tank thermistor shield wire securely connected to the heat pump?
Trial Run
Is the main water valve open?
Did you loosen the pump drain plug and bleed the air before turning on the power (after the tank is full of water)?
After turning on the power, did you set the current time on the operation board?
Did you complete the air bleeding test run without any problems or abnormalities?
If there are times when you don't want to run the unit according to the power contract, have you set them on the operation board?
Others
Is the flow rate from the shower sucient?
Is the piping cover securely closed?
If there is a winter period between the completion of the trial run and the handover to the customer, do you keep the power on?
Have you explained to the customer how to use the product according to the installation manual?
Have you handed the owner's manual to the customer?
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