Start UP/SYSTEM Checkout, Float Switch | Aprilaire 1730A instruction

Float Switch

If the dehumidifier is installed in an attic or an area requiring leak protection, the unit must be placed in a drain pan with a normally closed condensate overflow safety switch (float switch). The float switch should be wired to the FLOAT SWITCH terminals on the circuit board on the outlet panel (See Figure 12). The compressor is disabled when the float switch is open.

Wiring Instructions

1.Remove wiring access panel on the outlet panel.

2.Unplug the FLOAT SWITCH terminals and remove the jumper.

3.Run a 2-wire cable from the dehumidifier to the float switch.

4.Wire float switch to FLOAT SWITCH terminals and plug the terminals back into circuit board (Figure 12).

5.Replace the wiring access panel.

Figure 12 – Wiring to Float Switch

FLOAT

SWITCH

LOW VOLTAGE

NORMALLY CLOSED

FLOAT SWITCH

90-1429

START UP/SYSTEM CHECKOUT

1.Check the wiring and restore power to the HVAC equipment (if applicable).

2.Plug in the dehumidifier and turn on/off switch ON.

3.Check LED indicators located below the wiring access panel. Verify the green LED is on. The green LED is on when power is applied to the system.

4.Rotate the dehumidistat knob fully clockwise to ON position.

5.If setup is correct, the dehumidifier blower, and HVAC fan (if applicable) will turn on. The compressor will turn on after the dehumidifier blower has run for 3 minutes. Refer to the TROUBLESHOOTING GUIDE if the dehumidifier blower and/or compressor do not activate.

6.Check LED indicators. Green should remain on. If Red LED is on, refer to the TROUBLESHOOTING GUIDE. The red LED turns on when a fault condition is active. Possible fault conditions include open float switch or open high temperature switch.

7.After verifying operation, rotate the dehumidistat knob counter- clockwise to set the dehumidifier to the desired dryness level. Start at 3 for most installations. Moving the knob towards “MORE DRY” will increase the amount of time the dehumidifier runs, making conditions dryer. Moving the knob towards “LESS DRY” reduces the amount of time the dehumidifier runs, allowing for higher humidity levels. See Figure 13 for knob setpoints and corresponding %RH levels (+/- 6% RH).

Figure 13 – Dehumidistat Setpoints

80%

30%

67%

42%

55%

90-1430

1730A specifications

The Aprilaire 1730A is a high-efficiency dehumidifier designed to create a comfortable living environment by effectively removing excess moisture from the air. This unit is particularly well-suited for basements and other areas prone to dampness, providing homeowners with a reliable solution to combat humidity-related issues.

One of the standout features of the Aprilaire 1730A is its impressive dehumidification capacity, which can remove up to 70 pints of moisture from the air per day. This high capacity ensures that even in the most humid conditions, the appliance can maintain optimal humidity levels, typically around 30-50%. This is essential not only for comfort but also for preventing mold growth, structural damage, and maintaining overall indoor air quality.

The 1730A is equipped with advanced technology that enhances its efficiency and performance. It utilizes a highly efficient compressor, resulting in lower energy consumption compared to traditional dehumidifiers. This energy efficiency is not only environmentally friendly but also translates into cost savings on utility bills over time.

Another notable characteristic of the Aprilaire 1730A is its user-friendly controls. The unit features a simple, intuitive interface that allows users to easily monitor and adjust humidity levels to suit their preferences. Additionally, this model includes continuous drainage capability, allowing for hassle-free operation without the need to empty the water tank frequently.

The design of the 1730A also incorporates a durable and robust construction, ensuring that it can withstand the demands of continuous operation. This dehumidifier is designed for either freestanding or ducted applications, providing flexible installation options to meet the specific needs of any home.

Furthermore, the Aprilaire brand is known for its commitment to quality, and the 1730A is no exception. It comes with a manufacturer’s warranty, giving homeowners peace of mind regarding their investment.

In conclusion, the Aprilaire 1730A dehumidifier stands out for its substantial moisture removal capacity, energy efficiency, user-friendly controls, and durable design. These features make it an ideal choice for homeowners seeking effective humidity control in their living spaces, particularly in basements and other moisture-prone areas.