Owner`s manual

3.5 to 21 kVA N+1 Inverter
Introductionpage 1 — 2
locations where commercial AC power is not available. With a built-in static transfer switch, the inverter also forms
a reliable and economical part of uninterruptible power supply systems in either on-line or off-line mode. See
chapter 8, Theory of Operation, for detailed information on inverter characteristics. This series employed modular
design to provide N+1 redundancy, and twin controller cards to double reliability. There are three distinctive parts
in these tower inverter systems. The top part is a built-in module that houses the twin controller, alarm cards, LCD
unit, and LED indicators. The center part is a built-in module that houses a static transfer switch, and where input
and output connectors are located. It is easily recognized by twin fan front panel. Above and below this static switch
module are individual inverter modules rated 3.5 kVA/3kW each (those with single fan front panel).
Topaz S4 systems are available in six receiver cabinet configurations housing 1 to 6 inverters, a static transfer
switch console and redundant microcontroller modules.
Figure 1-1: System Configurations
3.5 kVA 7 kVA/3.5 kVA 10.5 kVA/7 kVA 14 kVA/10.5 kVA 17.5 kVA/14 kVA 21 kVA/17.5 kVA
N+1 N+1 N+1 N+1 N+1
1.2 Standard Products
Consult table 1 below for the system(s) you are working on.
Table 1-1: Inverter System Characteristics
Part Power Nominal Input Maximum Nominal Output Selectable
Number rating Input Voltage Input Current Amperes at selectable Output
(kVA) Voltage Range @ -40VDC output voltage of: Frequency
(VDC) (VDC) (Amperes) 120 220 230 240 Hz
64034 3.5 (-48) (-40 to -60) 88 29 16 15 14.5 50 or 60
64074 7 (-48) (-40 to -60) 176 58 32 30 29 51 or 60
64104 10.5 (-48) (-40 to -60) 265 87 48 45 43.5 52 or 60
64144 14 (-48) (-40 to -60) 353 116 64 60 58 53 or 60
64174 17.5 (-48) (-40 to -60) 441 145 80 75 72.5 54 or 60
64214 21 (-48) (-40 to -60) 529 174 96 90 87 55 or 60