Alpha Technologies CFR 1500, CFR 2000, CFR 2500, CFR 3000 - Manual (Page 55)

3.1 Pre-Installation
Do not connect the UPS to a line conditioner, isolation transformer or any
similar type of device. Damage to the UPS and the line conditioning
equipment can occur.
Site Preparation
The UPS should be installed upright in a well-ventilated, dust free environment.
The weight of the UPS, especially if it has an optional battery pack, is quite heavy (see
specifications). Do not place the unit on any surface unable to fully support its weight.
The CFR 3000 has two leveling feet at the back panel which should be used to
stabilize the unit.
3. INSTALLATION
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circuit breaker. Breaker size can be determined by adding 15% to the maximum input
current of the unit (see specifications). For example, the CFR2000 draws 14.6 Amps
of current when configured at 120VAC. By adding 15%, the number becomes 16.8
Amps. In this case, a standard 20 Amp circuit breaker is suitable for use.
Grounding
Since the CFR UPS bonds output neutral to ground (qualifying it as a "separately-
derived power source"), proper grounding is critical. Many older facilities may have an
electrical system that is incapable of supporting this type of grounding requirement. To
ensure optimum performance from your UPS, always install a hardwired ground. A
qualified electrician should also inspect the existing wiring in the building prior to
installation to verify proper grounding.
Standby Generators
The CFR is equipped with a frequency sense circuit, along with a constant slew
frequency synchronization circuit, to optimize operation with most standby generators.
Prior to installation, compare the output voltage of the generator to the voltage
requirements of the UPS (see CFR nameplate label). If the UPS requires 240 VAC
input and the generator produces only 208 VAC, it will cause the UPS to run
continuously off of battery power. This would discharge the UPS batteries and cause
the output load to fail.
Alpha Technologies recommends using a generator equipped with an electronic
speed and voltage control. If a generator equipped with a mechanical governor "speed
control" is used, this could also cause the UPS to run continuously in LINE FAILURE
mode due to the unstable frequency of the generator.
The generator should also produce less than 10% voltage THD. Generators with
a higher THD rating may cause the CFR UPS to switch to LINE FAILURE mode, and
switch to battery operation, as the generator output would be sensed as a noisy utility.
Utility Circuit Breaker
The UPS should be installed on a dedicated circuit with a properly sized
5. RS-232 TERMINAL COMMUNICATION
5.12 Event Descriptions (Alarms)
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There are 6 alarm groups which upon activation will be displayed at the end of the
opening menu. These are:
INPUT:
BATTERY:
OUTPUT:
ENVIRONMENTAL:
SERVICE1:
SERVICE2:
The following lists the mnemonics and description for each alarm group:
INPUT:
FREQ_LO
- input line frequency low
FREQ_HI - input line frequency high
GLITCH - input line glitch has been detected
SPIKE - input line spike has been detected
SAG - input line sag has been detected
SURGE - input line surge has been detected
BROWNOUT - input line brownout has been detected
SLOW_SURGE - input line slow surge has been detected
BLACKOUT - input line blackout has been detected
BATTERY:
LO_BAT_SHTDWN - battery voltage shutdown level detected
LO_BAT_WARN
- battery voltage low warning level detected
BAT_VOLT_HI - battery over voltage level detected *
FAIL_SELF_TEST - failed self test *
BATT_FLT
- battery fault has been detected *
OUTPUT:
VOLT_LO
- output voltage low has been detected
VOLT_HI - output voltage high has been detected
PWR_OVLD - output power overload has been detected
VA_OVLD - output VA overload has been detected
OVER_V_FLT - output over voltage fault has been detected *
SHORT_CCT - output short circuit has been detected *
ENVIRONMENTAL:
AMB_TEMP_HI
- high internal ambient temperature detected *
SERVICE 1:
SERV CODE 1
- phase lock loop failure has been detected *
SERVICE 2:
SERV CODE 2
- micro software reset has been activated
SERV CODE 3 - micro hardware reset has been activated
SERV CODE 4 - power board EEPROM fault has been detected *
SERV CODE 5 - power board hardware fault has been detected *
SERV CODE 6 - neg DC supply rail has been detected *
EMGNCY POFF - emergency power off has been activated
OUTV SHTDWN - remote shutdown feature is currently active
*(service light alarm)