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Chapter 3: Installation
3.1 Before You Begin
3.1.1 Site Requirements
You can guarantee the safe operation of the Tuba by ensuring that it is installed in an
appropriate environment.
Feature Value
Ambient operating temperature 0 °C – 40 °C (32 °F – 104 °F)
Maximum relative humidity 90% non-condensing
Operating area atmosphere No flammable gases or vapors permitted in area
Models for extended environmental conditions are available.
The Tuba dissipates its heat by forced ventilation (fan). The maximum
operating ambient temperature of 0 °C – 40 °C (32 °F – 104 °F) must not be
exceeded.
3.1.2 Hardware Requirements
3.1.2.1 AC Input Requirements
Circuit Breakers & Contacts Three-phase Supply Voltage Single-phase Supply Voltage
Circuit breaker current rating 150% - 200% of drive current 200% ~ 300% of drive current
Circuit breaker voltage rating 250VAC / 480 VAC depending upon operating AC voltage
Contactor Up to 150% of drive current Up to 200% of drive current
3.1.2.2 Recommended Wire Cross-sections (All Models)
Feature Connection Details
AC input AC1, AC2, AC3 4 ~ 5 mm
2
, 10 ~ 12 AWG
Motor M1, M2, M3 4 ~ 5 mm
2
, 10 ~ 12 AWG
Protective earth PE, PE 4 ~ 5 mm
2
, 10 ~ 12 AWG
Auxiliary power 24v +, – 0.5 ~ 1 mm
2
, 18 ~ 20 AWG
Tuba Installation Guide
MAN-TUBIG (Ver. 1.3)
3-1