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2
INSTALLATION AND WIRING
Caution
The following information is merely a guide for proper installation.
Mitsubishi Electric Corporation. cannot assume responsibility for the compliance or the
noncompliance to any code, national, local, or otherwise for the proper installation of this equipment.
A hazard of personal injury and/or equipment damage exists if codes are ignored during installation.
Ensure the safety relay unit/ Safety programmable controller/ Safety controller and the FR-A800-LC
inverter are mounted closely in an enclosure meeting IP54 and all interconnection wiring is short
and protected against open and short circuit faults. Refer ISO/IEC13849-2.
Installation
The safety stop function of the Mitsubishi Electric FR-A800-LC inverter should be used under the following
conditions and environment.
Table 3 Conditions and environment for using the safety stop function
Item
ND/ LD
Surrounding
airtemperature
SLD
Storage temperature
Ambient humidity
Coolant
temperature
FR-A840-03250(110K)-LC
FR-A840-03610(132K)-LC
Coolant
Coolant
FR-A840-04320(160K) to
flow rate
FR-A840-06830(280K)-LC
FR-A870-03950(280K)-LC
FR-A870-04560(355K)-LC
Maximum permissible pressure
FR-A840-03250(110K)-LC
FR-A840-03610(132K)-LC
FR-A840-04320(160K) to
Vibration
FR-A840-06830(280K)-LC
FR-A870-03950(280K)-LC
FR-A870-04560(355K)-LC
Altitude
Atmosphere
Overvoltage category
Pollution degree
Mounting
∗1 The LD ratings can be selected only for the FR-A840-LC inverter.
∗2 The SLD ratings can be selected only for the FR-A870-LC inverter.
∗3 Condensation may occur depending on the humidity and the coolant temperature. Adjust the humidity and the coolant
temperature to prevent condensation.
∗4 Temperature applicable for a short time, e.g. in transit.
To store the inverter after the coolant has passed through the pipes, fill the pipes with coolant sufficiently enough, that it
contains antifreezing agent to prevent corrosion. Or fill the pipes with nitrogen gas after the inside of the pipes is fully dried. If
any moisture remains inside the pipes, it may react with oxygen in the air to form corrosion.
∗5 Under normal condition, keep the flow rate between 3.2 and 3.5 L/m.
∗6 Under normal condition, keep the flow rate between 6.5 and 7.0 L/m.
∗7 For the installation at an altitude above 1,000 m, derate the rated current 3% per 500 m.
4
INSTALLATION AND WIRING
∗1
∗2
-10ºC to +50ºC (non-freezing)
-10ºC to +40ºC (non-freezing)
-20ºC to +65ºC
∗4
With circuit board coating (conforming to IEC60721-3-3 3C2/3S2):
95% RH or less (non-condensing),
Without circuit board coating: 90% RH or less (non-condensing)
1 to +40ºC (non-freezing)
3.0 to 3.7 L/min
∗5
6.0 to 7.5 L/min
∗6
300 kPa
2
5.9 m/s
or less at 10 to 55 Hz (directions of X, Y, Z axes)
2
2.9 m/s
or less at 10 to 55 Hz (directions of X, Y, Z axes)
Maximum 2000 m
∗7
Indoors (free from corrosive gas, flammable gas, oil mist, dust and
dirt)
III or lower
II or lower
Wall mounting / vertical orientation
Condition
∗3
∗3
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