Energy Tech Laboratories EDP70 manual Connection, Output

5.0CONNECTION

Protection devices to be installed by the customer according to the information shown on page 23

	L1
UTILITY	L2
INPUT	L3
	N

Neutral not present on

50 and 80kVA ratings

A

B C N

G

A	L1
B	L2	OUTPUT
C	L3
N	N	(Neutral separately derived
		on 50 and 80kVA ratings)

	EXTERNAL
	BATTERIES
1	Remove link to connect remote E.P.O.
2
3	Battery Charge Inhibit
4
5	Thermostick contacts
6

GROUND

Protection devices to be installed by the customer

according to the information shown on page 23

	L1	A
RESERVE L2		B
INPUT	L3	C
	N	N

UTILITY	L1	A
INPUT	L2	B
	L3	C

A

B

C Neutral not N present on

50 and 80kVA ratings

L1

L2L3 OUTPUT

N(Neutral separately derived on 50 and 80kVA ratings)

EXTERNAL

BATTERIES

G

1

2

3

4

5

6

Remove link to connect remote E.P.O. Battery Charge Inhibit

Thermostick contacts

GROUND

Figure 15 – 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

MI00/10056 rev.1--05/2001-- page 25