EAS ELECTRIC ECH R32 Serie Manual De Instalación Y Usuario página 76

8.6.2 Connection mode of pipe
The water inlet and outlet pipes are installed and connected as shown in the following figures. ECH030NHR model uses
screwed connection, while the ECH060NHR model uses hoop connection. For the specifications of the water pipes and
screw thread, see the Table 8-7 below.
Table 8-7
Pipe connection methods
Model
Screwed connection
ECH030NHR
Hoop connection
ECH060NHR
8.6.3 Design of the store tank in the system
kW is the unit for cooling capacity and L is the unit for G, water flow in the formula counting the minimum water flow.
Comfortable air conditioner
G= cooling capacity×3.5L
Process cooling
G= cooling capacity×7.4L
In certain occasion (especially in manufacture cooling process), for conforming the system water content requirement,
it's necessary to mount a tank equipping with a cut-off baffle at the system to avoid water short-circuit, Please see
the following schemes:
Specifications of water pipe
Fig.8-20 connection mode of ECH030NHR pipe
Fig.8-21 connection mode of ECH060NHR pipe
25
Specifications of screw thread
DN40
DN50
Rc 1 1/4
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V.1