CHECK PLACES FOR FLARE NUT CONNECTIONS (INDOOR UNIT)
CHECK PLACES |
FOR OUTDOOR UNIT |
FIGURE 40: Leak Test Line Set Connection
SECTION XVIII: TEST OPERATION
1.Check that all tubing and wiring have been properly connected.
2.Check that the gas and liquid side service valves are fully open.
GAS LEAK TEST
Check the flare nut connections for gas leaks with a gas leak detector and/or soapy water.
RUNNING TEST
1.Turn power on by pressing "ON/OFF" button on the wireless remote control to start system operation.
2.Press MODE button to select COOL, HEAT or FAN to check the system operation.
INDOOR UNIT RUNNING TEST
1.Check if operation of each button on the remote control is working normally and check the corresponding operating indication LED on the indoor unit to make sure they match.
2.Check the operation of indoor unit louver and make you check its swinging function.
3.Check the condensate drain and make sure there are no leaks.
OUTDOOR UNIT RUNNING TEST
1.Make sure there are no abnormal noises or vibration during opera- tion.
2.Make sure you check for gas leaks.
SECTION XIX: EMERGENCY OPERATION
If the wireless remote is lost or damaged, the system can be operated using the manual switch or code switch. The system will run in Auto Run mode, and will not change the temperature setting nor the fan speed.
The manual switch can be operated as follows:
•To operate the unit, press the AUTO/STOP button once and the unit will enter into AUTO RUN mode. The microcomputer will select the (COOL, HEAT, FAN) mode automatically to maintain optimum room comfort.
•To stop the unit from operating, press the AUTO/STOP button once and the unit will shut down.
The code switch can be operated as follows:
•To operate the unit, adjust the code switch to the AUTO position and the unit will enter into AUTO RUN mode. The microcomputer will select the (COOL, HEAT, FAN) mode automatically to main- tain optimum room comfort.
•To stop the unit from operating, adjust the code switch to the STOP position and the unit will shut down.
NOTICE
The TEST button is for the technicians' testing, which should not be used by our user.
AUTO/STOP
MANUAL SWITCH
AUTO
TEST
RUN
STOP
CODE SWITCH
FIGURE 41: Emergency Operation
SECTION XX: MAINTENANCE
OUTDOOR UNIT
1.Ensure power is off before cleaning.
2.It may be necessary to wash the outdoor coil more frequently if it is exposed to substances which are corrosive or which block airflow across the coil (e.g., pet urine, cottonwood seeds, fertilizers, fluids that may contain high levels of corrosive chemicals such as salts).
3.Outdoor Coil (Sea Coast) - Moist air in ocean locations can carry salt, which is corrosive to most metal. Units that are located near the ocean require frequent inspections and maintenance. These inspections will determine the need to wash the unit including the outdoor coil. Consult your installing contractor for proper intervals/ procedures for your geographic area or service contract.
4.Outdoor unit fan motor is
5.Visually inspect all connecting lines, joints and coils for evidence of oil leaks.
6.Check all wiring for loose connections.
7.Check for correct voltage at unit (unit operating).
INDOOR UNIT
1.Clean or change filters.
2.Check all wiring for loose connections.
3.Check for correct voltage at unit (blower operating).
4.Clean coil, if necessary.
5.Check connecting lines and coils for signs of oil leaks.
6.Check condensate line and clean, if necessary.
NOTICE
The filter must be in place and the front panel must be closed any time the unit is in operation.
SECTION XXI: INSTALLATION AND MAINTENANCE OF HEALTHY FILTER (ACCESSORY)
INSTALLATION OF HEALTHY FILTER (ACCESSORY)
1.Lift up the front panel from its two ends and remove the factory sup- plied air filter as shown in Fig. A.
2.Attach the healthy filter to the air filter as shown below in Fig. B.
3.Install the air filter properly as shown below in Fig. C and then close the panel.
18 | Johnson Controls Unitary Products |
