Toshiba MCY-MUG0401HSW-E Service Manual page 79

Checklist 1
Using Checklist 1, check that there are no problems with the installation work.
Is the capacity of the circuit breaker
(Earth leakage breaker) appropriate?
Is the gauge of the
power cable correct?
Is the control communication line correct?
Is the power of indoor units supplied collectively?
Is it grounded to earth?
Is the resistance sufficient? (10 MΩ or higher)
Is the main power voltage sufficient? (within 220-240 V ±10%)
Is the diameter of connecting pipe correct?
Is the branch kit correct?
Is the water drain of the indoor unit arranged so that it flows without accumulation?
Is the heat insulation of pipes sufficient? (connecting pipes, branch kit)
Is there no short circuit of discharge air in the indoor / outdoor units?
After an airtightness test of the pipes, are vacuuming and adding of refrigerant executed?
Are the valves of all the outdoor units fully opened?
Outdoor unit A
Outdoor unit mm
Indoor-outdoor connection terminals (Uv)
Central control system connection terminals (Uh)
MΩ or higher
V
Outdoor unit
78
Indoor unit
2
Indoor unit
Gas side Liquid side
A
2
mm