System CONFIGURATION, Reset & Checkout | Dometic 590 SERIES manual

INSTALLATION INSTRUCTIONS

B. CONNECTION OF 120 VOLT POWER SUPPLY

Disconnect 120 volt AC. Failure to follow these instruc- tions could create a shock hazard causing death or severe personal injury.

This product is equipped with a 3-wire (grounded) system for protection against shock hazard. Make sure that the appliance is wired into a properly grounded 120 volt AC circuit and the polarity is correct. Failure to do so could result in death, personal injury or damage to the equipment.

1.Route the 120 VAC supply line through the strain relief in Electronic box. Tighten strain relief, mak- ing sure enough wire is inside electronic box to connect with unit 120 VAC wire. Tighten screws on strain relief connector being careful not to pinch and cut into the insulation on power supply leads.

2.Connect the white to white; black to black; and green to green or bare copper wire using appropri- mately sized twist wire connectors. Tape the twist wire connectors to the supply wiring to assure they do not vibrate off. See FIG. 14.

3.Push the wires into the box and tighten the strain relief.

4.Install the cover (part of the mounting hardware) with the one blunt point screw provided.

8.SYSTEM CONFIGURATION, RESET & CHECKOUT

Now that the system is installed, it is necessary to configure the elec- tronics and check all operations.

Refer to the Operating manual for a description of the air conditioner operation.

A. ELECTRONIC CONTROL KIT CONFIGURATION

Depending on the equipment options installed by the recreational vehicle manufacturer, the appropriate dip

switches will need to be switched to the “ON” position. See FIG. 14. Placing the switch in the “ON” position

selects that option.

FIG. 14

Note: Dip switches are in the “OFF” position when shipped from the factory.

1.Zone selection - when two or more units are installed and controlled by one Comfort Control Center, the

second unit becomes Zone 2, the third unit Zone 3 and the fourth unit Zone 4. The appropriate zone dip switch must be set in each electronic control kit for Zone 2, 3 and 4.

2.Furnace selection - when a furnace has been con- nected to a zone, place the furnace dip switch “ON”

for that zone.

3.Differential - differential is the temperature difference between the “ON/OFF” cycle of the thermostat. The

normal differential is preset in the circuit board with the dip switch set to the “OFF” position. In some situations, it may be necessary to decrease the Differential. The location of the thermostat may create a condition where the normal Differential will

not maintain your comfort zone. If this occurs, the Differential can be shortened by placing the Differen- tial dip switch to the “ON” position.

Note: Setting the Differential dip switch should only be required when installation conditions are less than desirable and is not covered under the limited warranty.

4.Stage selection - stage is not used on these units. Leave in the “OFF” position.

5.Gen start selection - leave in the “OFF” position.

B.SYSTEM RESET

After setting the dip switches in the electronic control kit, do a system reset.

1.Turn the ON/OFF switch to the “OFF” position.

2.Simultaneously depress and hold the MODE and ZONE push-buttons while turning the ON/OFF switch

to “ON”. FF should appear in LCD display until the mode and zone push-buttons are released.

3.When a dip switch is turned on after initial configura- tion, a system reset will need to be done before the

Comfort Control Center will recognize the updated selection.

C. SYSTEM CHECKOUT

Verify that all features of the installed system work. Check fan speeds, cooling mode, furnace (if connected) and heat strip. If the features do not work, check all wiring and confirm that the correct options have been selected on the Electronic Control Box. See Comfort Control Center™ Operating Instructions.