Air-to-water Heat Pump Split Versati
33
Joints Dimension
Description Joint pipe thread
Hot water outlet of water tank
Circulating water inlet/outlet of water tank
Cooling water inlet of water tank
Pipe joint
18.3 Connection of waterway system
(1)
circulating water pipe. It is unnecessary if the hole is not needed.
(2) Preparation of pipelines: Circulating water outlet/inlet pipe must be hot water pipe, PPR pipe with nominal
out diameter of dn25 and S2.5 series (wall thickness of 4.2mm) being recommended. Cooling water inlet
pipe and hot water outlet pipe of water tank should also be hot water pipe, PPR pipe with nominal out
diameter of dn20 and S2.5 series (wall thickness of 3.4mm) being recommended. If other insulated pipes
are adopted, refer to the above dimensions for out diameter and wall thickness.
(3) Installation of circulating water inlet/outlet pipes: connect the water inlet of the unit with circulating outlet of
water tank and water outlet of unit with circulating inlet of water tank.
(4)
installed for the water inlet pipe according to the installation sketch of the unit. At least a cut-off valve is
needed for the water outlet pipe.
(5) Installation of blow-off pipes at the bottom of water tank: connect a piece of PPR pipe with drainage outlet
easy to be operated by the users.
(6) After connection of all waterway pipelines, perform the leakage test firstly. After that, bind up the water
pipes, water temp sensor and wires with wrapping tapes attached with the unit.
(7) Refer to Installation Sketch of the Unit for details.
Temp sensor 2
Blow-off Outlet
Tap water
Filter
Safety check
valv
e
Hot water output
Water Tank
Temp Sensor 1
Indoor Unit
Cool Water
Inlet
Power cord of booster heater
Other
Thermal
System
Other Thermal sensor (less than 5 meters)
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