Electric Wiring - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

Securing the Unit
¡ Locations to secure the bolts.
¡ Use M10-M12 for the retaining bolts.
¡ Secure it firmly so the unit will not fall during earthquakes and from sudden gusts of wind.
Drainage
¡ There are 3 holes in the bottom panel of the
outdoor unit to drain condensation.
Removing the Outer Panel
4 Top panel
1 Service panel (front)

4.5.4 Electric wiring

Power source
L N
Circuit
breaker
Earth
leakage
breaker
(1) Connection of the power lines
(a) This multi-type room air conditioner receives its power from outside.
(b) An earth leakage breaker and a circuit breaker must be installed.
Their capacities are listed below.
185
1 Service panel (front)
¡Remove when conducting the following: measuring the high/low pressure
during maintenance, depressurizing, charging the refrigerant, operating the
protective function.
3 Service
panel (side)
¡Remove the screws, and pull the panel towards the direction of the arrow.
2 Service valve cover
¡Remove the control valve cover before removing the side service panel.
2 Service
valve cover
¡Remove the screws, and pull the cover towards the direction of the panel.
3 Service panel (side)
¡Remove the control valve cover first, then the screws, and then pull the
panel towards the direction of arrow.
4 Top panel
¡Remove the screws, and pull the panel towards the direction of the arrow.
Unit A Unit B Unit C
1 2 3 1 2 3 1 2 3
1 2 3 1 2 3 1 2 3
500 185
70
Drain hole
Unit D
1 2 3 Out side
1 2 3 in side
SCM-HG (4 room)
Unit: mm
153