en – Original instructions
e-IXPSA – Additional Installation, Operation and Maintenance Manual
23
1.
Suction port
2.
Discharge port
3.
G 1/4" recirculation outlet (optional)
4.
G 1/4” suction pressure port
5.
G 1/4" discharge pressure port
6.
G 1/2” drain
4.4
Mechanical seals and auxiliary systems
1.
Find the type of seal by reading the third and second last letters of the identification code.
2.
Follow the instructions and the API PLAN standards in the table based on the type.
Designation Type of seal
API PLAN std Instructions
S0
Single mechanical seal – unbalanced – without shaft
sleeve
1, 11
Maintenance free mechanical seal
4.5
Electrical connection
4.5.1
Precautions
Electrical measures
DANGER: Potentially explosive atmosphere hazard
For the electrical connections, make sure to comply with the requirements of the IEC 60079-14
standard.
DANGER: Potentially explosive atmosphere hazard
Only use motors that are EX certified for applications in zone 1 and zone 2.
DANGER: Electrical hazard
Before starting work, check that the electric power supply is disconnected and locked out, to
avoid unintentional restart of the unit, the control panel and the auxiliary control circuit.
NOTE:
Only use dynamically balanced motors with half-sized key at the shaft end (EN 60034-14), and
with normal vibration rate (N).
XI
PS_M0
00
6_A_sc
1
6
2
4
3
5
