ETL EDP70 - Manual (Page 30)

page 30 -- MI00/10056 rev. 8 —05/2006
5.0 CONNECTION
Figure 17 – Connection diagrams
THE AC AND DC SUPPLIES TO THE EDP70 PLUS UPS, AND THE AC OUTPUT FROM THE UPS, SHOULD BE FED THROUGH
SUITABLY RATED CIRCUIT BREAKER OR FUSE(S) AND ISOLATING SWITCH SUITABLE FOR BRANCH CIRCUIT
PROTECTION.
NOTE:
INTERRUPTING THE NEUTRAL FEED MAY CAUSE THE CHANGE IN GROUND-NEUTRAL VOLTAGE TO AFFECT
THE LOAD.
NOTE: ALL CIRCUIT BREAKERS OR FUSES AND ISOLATING SWITCHES SHOULD BE FITTED AS CLOSE TO THE EDP70
PLUS UPS AS POSSIBLE AND MARKED WITH THE LABELS PROVIDED WITH THE UNIT.
IT IS ALSO RECOMMENDED A LABEL AS FOLLOWS
UNINTERRUPTIBLE POWER SYSTEM
NO UNAUTHORIZED OPERATION
Protection devices to be installed by the customer
Protection devices to be installed by the customer
according to the information shown on page 23
according to the information shown on page 23
Neutral not
present on
50 and 80kVA
ratings
RESERVE
INPUT
L3 W
GROUND
G
L3
UTILITY
INPUT
L1
L2
N
L1
L2
W1
N
U
V
U1
V1
Neutral not
present on
50 and 80kVA
ratings
GROUND
G
UTILITY
INPUT
L1
L2
L3
N
N
U
V
W
(Neutral separately derived
on 50 and 80kVA ratings)
BATTERIES
Remove link to connect remote E.P.O.
Battery Charge Inhibit
6
1
2
3
4
5
W2
N
U2
V2
OUTPUT
L3
EXTERNAL
N
L1
L2
(Neutral separately derived
on 50 and 80kVA ratings)
Remove link to connect remote E.P.O.
Battery Charge Inhibit
1
2
3
4
5
6
W2
N
U2
V2
L3
EXTERNAL
BATTERIES
N
OUTPUT
L1
L2