Initial Start-Up - Thermal Zone MSC424HP13230A Installation And Maintenance Manual

OUTDOOR UNIT
TERMINAL #
1
L3
L4
Ground
L1
L2
GND TERM. 2-GREEN
Step 12
Condensate Hose
Unit is provided with approximately 32'' of Condensate Hose. Hose connection is sized to accept a 3/4'' OD or 5/8'' ID Clear
Plastic Hose to then extend to building drain. AII condensate hose extensions should be in accordance with local building codes.
Remember water only flows downhill to ensure positive draining from the unit, Check using water for a positive flow of
Condensate.
The basic system installation is now complete (The unit is now ready for start up - use this time to ensure that worksite is tidy).
Unit Start Up
With the refrigerant system completely evacuated the system can now be opened to allow the refrigerant charge in the Outdoor
unit to be released into the line set. The service valves require a 6mm and a 5mm allen wrench respectively to undo the valve
stems. Remove the brass caps from the Service Valves.
Open the SUCTION line Valve first to prevent any possible oil Clogged of the Capillary tube.
(This can occur if the liquid line valve is opened first with the rest of the system in a deep vacuum)
LIQUID or EXPANDED GAS line can then be opened.
Unscrew both valve stems until they come to a stop against the valve body, replace the brass Caps and then tighten the caps to
prevent leaks.
Energize the breaker to power the system.
Start Indoor unit, Cooling mode is only allowed when the Outside Ambient Temperature is above 65°F to prevent damage to the
compressor. Unit has a 3 minute time delay for the compressor start up operation.
MSC424A13230A AIR CONDITIONER Wiring
CABLE/ INDOOR UNIT
COLOR TERMINAL #
1-RED 1
1-BLACK L3
1-WHITE L4
1-GREEN Ground
2-BLACK N/A
2-RED N/A
N/A
Indoor unit
1 L3 L4
1 L3 L4
Outdoor unit
CABLE 2
3 COND
14 AWG
BLACK
RED
GREEN
208 - 230VAC LINE IN
-8-
CABLE 1
4 COND
14 AWG
RED
BLACK
WHITE
GREEN
L1 L2
GROUND SCREW