85
GB
minutes and check that the compound vacuum gauge reads -0.1 MPa(-
76cmHg).
4. After applying vacuum, fully open the stop valve with a hex wrench.
5. Check that both indoor and outdoor connections are free of air leakage.
OUTDOOR CONDENSATION DRAINAGE (HEAT PUMP TYPE ONLY)
When the unit is heating, the condensing water
and defrosting water can be out reliably through
the drain house.
Installation:
Install the outdoor drain elbow in
Φ
25 hole on the
base plate, and joint the drain hose to the elbow,
so that the waste water formed in the outdoor unit
can be drained out to a proper plate.
CHECK AFTER INSTALLATION AND TEST OPERATION
CHECK AFTER INSTALLATION
• Electrical Safety Check
1. If the supply voltage is as required.
2.
If there is any faulty or miss connection in each of the power, signal
and grounding wires.
3. If the grounding wire of the air conditioner is securely grounded.
• Installation Safety Check
1. If the installation is secure.
2. If the water drain is smooth.
3. If the wiring and piping are correctly installed.
4. Check that no foreign matter or tools are left inside the unit.
5. Check the refrigerant pipeline is protected wel.
• Leak test of the refrigerant
Depending on the installation method, the following methods may be used to
check for suspect leak, on areas such as the four connections of the outdoor
unit and the cores of the cut-off valves and t-valves:
1.
Bubble method: Apply of spray a uniform layer of soap water over the
suspected leak spot and observe carefully for bubble.
2.
lnstrument method: Checking for leak by pointing the probe of the leak
detector according to the instruction to the suspect points of leak.
Note: Make sure that the ventilation is good before checking.
Chassis
Outdoor drain
elbow