Flushing/Purging Units with ClimaDry

Units equipped with ClimaDry must be flushed/purged with a flush cart. Detailed general flushing /purging instruction can be found in the Flow Controller III IOM.

The unit must be powered (but not operating) during flushing/purging. Unit power is required to operate the three-way modulating valve during flushing.

When flushing/purging units equipped with ClimaDry the earth loop should be fully flushed/purged before attempting to flush/purge the heat pump. Once the earth loop is flushed, position the flushing valves to flush the heat pump. Then with flushing flow re-directed through the unit, energize the modulating three-way dehumidification valve to allow flow through the dehumidification hydronic circuit.

Energize the modulating three-way dehumidification valve by removing the red wire from the ACC1 ‘N.O.’ terminal on the DXM board. Connect this wire to the ACC1 ‘NC’ terminal of the DXM controller, as shown in figure 1, to energize the modulating three-way dehumidification valve. Once energized, the valve will take 45 – 75 seconds to fully shift. Continue flushing during this time. After the valve has completed its shift, use the air bleed from the top of the reheat coil to purge air from the coil.

Note, if the ClimaDry sensor, located in the supply air stream is above 70°F it must be disabled to allow the modulating valve to shift. Disable this sensor by removing the white wire from the Low Voltage Terminal Block (LVTB) shown in figure 1.

Figure 1. Flushing/Purging Wiring

White Thermistor Wire

Red Three-Way Valve Wire

De-energize the valve by removing the red wire from the ACC1 ‘NC’ terminal on the DXM board. The valve will spring return to its normal position in just a few seconds. After the valve has fully returned, repeat the process of running the valve through its cycle and purging air from the reheat coil.

Under extreme circumstances this procedure may be required multiple times to purge all air from the circuit. After completing the flushing/purging procedure, restore the red wire to the ACC1 ‘N.O.’ terminal on the DXM for normal operation. Return the white sensor wire to the LVTB, if it was removed, as shown in figure 2.

White Thermistor Wire

Red Three-Way Valve Wire

Figure 2. Normal Unit Wiring

Extra care must be taken when using non-pressurized flow centers to ensure all air is removed from the unit and no additional air is allowed into the system. If air is allowed to collect in the ClimaDry piping, nuisance trips may occur. Additional flush/purge cycles may be used when required.

ClimaDry Whole House Dehumidification - ClimateMaster Geothermal Heat Pumps - Rev.: 18 April, 2008B

TRANQUILITY 20, TRANQUILITY 27 specifications

Toshiba has made significant strides in the realm of home appliances, particularly with its TRANQUILITY series. Two standout models, the TRANQUILITY 27 and TRANQUILITY 20, deliver innovative features designed to enhance comfort and convenience in everyday living.

The TRANQUILITY 27 is designed for users who demand efficiency without compromising on performance. With its compact size, this air conditioning unit is ideal for small to medium-sized spaces. One of its main features is the advanced inverter technology, which adjusts the compressor speed based on the room's temperature. This ensures a steady and comfortable climate while maximizing energy savings, making it perfect for environmentally conscious consumers.

Another noteworthy characteristic of the TRANQUILITY 27 is its whisper-quiet operation. Engineered to operate at minimal noise levels, it allows users to enjoy a peaceful environment, whether they are working from home or unwinding in their living areas. Coupled with an easy-to-use remote control and a user-friendly interface, the TRANQUILITY 27 offers a seamless experience. The unit also incorporates a programmable timer, allowing users to set specific operation times according to their schedules, further enhancing convenience and efficiency.

On the other hand, the TRANQUILITY 20 caters to those seeking an ultra-compact solution for smaller spaces. This model features a sleek design that seamlessly blends in with any room decor. Its key technologies include the eco-friendly refrigerant that contributes to reduced environmental impact, aligning with Toshiba's commitment to sustainability.

Moreover, the TRANQUILITY 20 boasts a fast cooling function, enabling it to rapidly lower the temperature in small areas. This is particularly beneficial during those sweltering summer months when immediate relief is essential. The energy efficiency of this model is amplified by its ability to maintain specified temperatures without excessive energy consumption.

Both models come equipped with air purification systems that enhance indoor air quality by filtering out dust and allergens, ensuring a healthier living space. Whether users opt for the TRANQUILITY 27 or the TRANQUILITY 20, they are assured of reliable performance, energy efficiency, and user-centric features.

In conclusion, Toshiba’s TRANQUILITY series exemplifies cutting-edge technology in home comfort solutions. With distinct models tailored to different user needs, Toshiba continues to push the boundaries of innovation while staying committed to sustainability and energy efficiency in the world of home appliances.

Toshiba TRANQUILITY 20, TRANQUILITY 27 manual Flushing/Purging Units with ClimaDry

Models: TRANQUILITY 20 TRANQUILITY 27