Instruction manual

INSTALLATION INSTRUCTIONS R410A Ductless Split System: DLF4(A/H), DLC4(A/H)
12 421 01 9220 00
STARTUP
Test Operation
Perform test operation after completing gas leak and electrical
safety check.
1. Push the “ON/OFF” button on Remote Control to begin
testing.
NOTE: A protection feature prevents the air conditioner from
being activated for approximately 3 minutes.
2. Push MODE button, select COOLING, HEATING, FAN
mode to check if all functions work correctly.
SYSTEM CHECKS
1. Conceal the tubing where possible.
2. Make sure that the drain tube slopes downward along its
entire length.
3. Ensure all tubing and connections are properly insulated.
4. Fasten tubes to the outside wall, when possible.
5. Seal the hole through which the cables and tubing pass.
INDOOR UNIT
1. Do all Remote Control buttons function properly?
2. Do the display panel lights work properly?
3. Does the air deflection louver function properly?
4. Does the drain work?
OUTDOOR UNIT
1. Are there unusual noises or vibrations during operation?
Explain Following Items To Customer With The Aid Of The
Owner’s Manual:
1. How to turn air conditioner on and off; selecting
COOLING, HEATING and other operating modes; setting
a desired temperature; setting the timer to automatically
start and stop air conditioner operation; and all other fea-
tures of the Remote Control and display panel.
2. How to remove and clean the air filter.
3. How to set air deflection louver.
4. Explain care and maintenance.
5. Present the Owners Manual and installation instructions
to customer.
INSTALLATION AND MAINTENANCE OF
FILTER
INSTALLATION OF FILTER
1. Grasp the front panel by it’s two ends and lift the panel
and then remove the air filter.
2. Install a clean air filter along the arrow direction and then
close the panel.
Figure 17 - Install Air Filter
OUTDOOR CONDENSATE DRAINAGE (HEAT
PUMP ONLY)
During heating operation, the condensate and defrosting water
should be drained out reliably through the drain hose. Install the
outdoor drain connector in a 9.8” diameter hole on the base plate
and attach the drain hose to the connector so that the water
formed in the outdoor unit can be drained out. Plug the hole
when finished.