Powerware 9170 - Page 31

UPS with Bypass Electrical Installation
23
Powerware
®
9170
+
UPS User’s Guide S Rev B www.powerware.com
NOTE In the UPS or LINE position, AC input power is still connected to
the input terminals inside the UPS.
Table 3. Bypass Switch Positions
Switch Position Description
LINE Connects the load directly to AC input power and disconnects UPS output. AC input
power is still connected to the UPS input.
OFF Disconnects the load from the UPS output power and AC input power, as well as AC
input power to the UPS input.
UPS Connects the UPS output to the load.
SERVICE Like the LINE position, SERVICE connects the load directly to AC input power and
disconnects UPS output.
However, because SERVICE also disconnects AC input
fromtheUPS,thisistheappropriate position for UPS maintenance or
repair.
To disconnect AC input p ower during maintenance or service, turn the
bypass switch to the SERVICE position. For MBB switches, you must press
the red button beside the switch before you can change the switch
position.
Table 4 shows the bypass switch models available for the Powerware
9170
+
UPS.
Table 4. Bypass Switch Specifications
Bypass Switch Models
R
t
i
SeeFigure14
BBM MBB
Rating,
Continuous
Height Width Depth Mounting Centers
Weight
C
o
n
t
i
n
u
o
u
s
(A) (B) (C) (D) (E)
BPE12BBM1A BPE12MBB1A 40A/300 Vac
(CSA)
50A/300 Vac
(UL,TÜV)
21.0I
(53.4 cm)
14.0I
(35.6 cm)
6.8I
(17.2 cm)
11.0I
(28.0 cm)
20.0I
(50.8 cm)
27 lb
(12.3 kg)
BPE14BBM1A BPE14MBB1A 80A/300 Vac 21.0I
(53.4 cm)
14.0I
(35.6 cm)
6.8I
(17.2 cm)
11.0I
(28.0 cm)
20.0I
(50.8 cm)
31 lb
(14.1 kg)
BPE20BBM1A BPE20MBB1A 125A/300 Vac 21.0I
(53.4 cm)
14.0I
(35.6 cm)
6.8I
(17.2 cm)
11.0I
(28.0 cm)
20.0I
(50.8 cm)
35 lb
(15.9 kg)