5.4.
Hydraulic connection
Note to ensure proper diameter of hydraulic connection pipes between control panel and heat pump, appropriate
to length and quantity of elbows.
Heat pump connection shall be provided with two pipes: one supplying the top source and return pipe. Note
to adhere to specification regarding pipe diameter and hose, to ensure proper water flow through the heat
exchanger located near the heat pump.
Figure 14. External unit
1 – External unit power supply; 2 – Communication wiring, 3 - Water return;
4 - Water supply; 5 – Condensate drain.
When delivering water connection to the exchanger, ensure that stub pipes are connected to water
supply and return respectively. Water connection is recommended to be provided with pipe diameter
min. 25mm. After water connection, ensure that insulation is installed of water pipes.
When connecting water supply to the external unit, note the direction of water flow through the
exchanger. Water supply shall be connected to lower stub pipe of exchanger, whereas hot water
return to top stub pipe of plate exchanger.
5.5.
Cooling mode
Heat pump enables generation of chilled water for spaces cooling.
Note to follow the following rules during device operation:
System shall be provided with materials resistant to low temperature
Operation Manual and Guarantee Card v.010
HKS LAZAR Sp.z o.o. ul. Wodzisławska 15B 44-335 Jastrzębie-Zdrój
page.
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