Danfoss EVRA 20 Manuale di installazione
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Installation Guide
Solenoid valves
EVRA 3–20 and EVRAT 10–20
HCFC, HFC, R717 (Ammonia)
EVRA 3
Nm
kpm
ft-lbs
60
6.0
45.0
Nm
kpm
ft-lbs
20
2.0
15
The manual opener of EVRA/EVRAT 10, 15 and 20 is intended to be activated only during
initial pressure testing of the refrigeration system.
After pressure testing or service-related manual forced opening of the manual opener
the spindle must be turned fully back to back-seated position to avoid any packing
gland leakage.
Furthermore it is essential that the sealing cap is properly reinstalled. This will eliminate
any risk of leakage from the manual opener.
© Danfoss | DCS (MWA) | 2016.11
EVRA 10/EVRAT 10
EVRA 10, 15, 20/EVRAT 10, 15, 20
Nm
kpm
50
5.0
Nm
30
ft-lbs
37
kpm
ft-lbs
3.0
22.5
a.c. ~
a.c. ~
a.c. ~
12 W a.c. ~
20 W d.c. — ---
DKRCI.PI.BN0.K2.00 | 520H7039 | 1