HEATER CONTROLS...continued

Start Up & Setting Operating Controls

Owner-Level Programming Instructions... continued:

8.User Lock Code Option [ULC]...continued:

A.Selecting ULC Option:

1)Press either the UP or DOWN ARROW keys; if “LOC” is momentarily displayed flowed by “0”, the ULC feature is enabled. If “0” displays proceed to “6)” of this section; otherwise, see number “2,” below.

2)Simultaneously press and hold both the [UP ARROW] and [DOWN ARROW] keys until [CF1] (Celsius / Fahrenheit) code appears.

3)Press the [POOL/SPA] key once to display [ULC].

4)With [ULC] displayed, pressing either the Up or Down Arrow key will display either “1” or “0”. Selecting “0” will allow the keypad to remain unlocked. Selecting “1” will enable the User Lock Code option. Then to enter a lock code number, press the [POOL/SPA] key once to display [ELC] (Enter Lock Code).

5)With [ELC] displayed, use the Up or Down arrow keys to select a lock code. The code can be any number from “00” to “99”. The factory set lock code is “0”. Not pressing any buttons for 15-seconds will allow the controller to save the selection and return to the normal operating mode. Pressing the {POOL/SPA] key will also save the selection, and will step the controller to the next menu parameter: [CFO] (Call Flex Options).

6)Once the ULC option has been enabled, pressing any key will momentarily display “LOC” followed by “0” (prompting the entry of the correct lock code number). To gain access to the controller:

a.Using the [UP ARROW] key, scroll to the correct lock code number, then;

b.Press the [POOL/SPA] key… Current water temperature will be displayed… Control setting can now be viewed or changed as desired.

c.After a period of approximately four (4) minutes, during which time no buttons have been pressed, the controller will automatically return to the locked mode. Provided ULC selection is set to “1,” the controller will always fail-safe in the locked mode.

d.Without knowledge of the correct lock code, and with the ULC enabled, control adjustments will not be possible. Be certain to record your lock code in a safe place. The lock code may be changed any number of times by following the instructions detailed in this section.

B.De-Activating the User Lock Code [ULC] function:

1)Following the instructions detailed previously at: “8, 6)”, press any key and enter the user lock code number; then press the [POOL/SPA] key.

2)Immediately following the entry of the user lock code, simultaneously press and hold the [UP ARROW] and [DOWN ARROW] keys until the code [CF1] appears on the display.

3)Then, use the [POOL/SPA] key to scroll to the [ULC] message; press the [DOWN ARROW] key to change the display to “0”. This will disable the User lock function.

(ULC Continued on Next Page)

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Aquacal 155, 120 owner manual User Lock Code Option ULC
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120, 155 specifications

Aquacal 155,120 is a highly regarded pool heater known for its efficiency, reliability, and advanced technology. This product stands out in the competitive market of swimming pool heating solutions, making it a popular choice among pool owners and professionals alike.

One of the main features of the Aquacal 155,120 is its high-performance heat exchanger, made from durable titanium. This material ensures resistance to corrosion and enhances the longevity of the heater. The titanium heat exchanger is designed to facilitate maximum heat transfer, providing rapid warming of pool water and ensuring a consistent swimming experience.

The units are equipped with a powerful compressor that utilizes advanced inverter technology. This technology enables the heater to adjust its output according to the pool’s needs, optimizing energy consumption and reducing operational costs. The inverter-driven compressor allows the Aquacal 155,120 to operate quietly, making it ideal for residential settings where noise could be a concern.

Aquacal has designed the unit to be user-friendly, featuring an intuitive digital control panel. This control panel allows users to easily monitor and adjust the temperature settings, ensuring that the water temperature can be maintained at a comfortable level. Additionally, this feature includes programmable settings to enable automatic heating schedules, providing convenience and energy savings for pool owners.

The Aquacal 155,120 is also known for its energy efficiency. With a high coefficient of performance (COP), this heater can deliver more heat output per unit of energy consumed compared to traditional heating systems. This efficiency contributes to a lower carbon footprint, making it an environmentally friendly choice for heating pool water.

Furthermore, the unit is designed with robust insulation, which minimizes heat loss and maximizes energy retention. This insulation helps maintain the desired water temperature for longer periods, reducing the need for frequent reheating and thereby lowering energy expenses.

In summary, the Aquacal 155,120 is an outstanding choice for pool owners looking for an efficient, reliable, and technologically advanced heating solution. With its titanium heat exchanger, inverter technology, user-friendly control panel, energy efficiency, and excellent insulation, this pool heater stands out as a top contender for modern pool heating needs. Whether for leisure activities or extended swimming seasons, the Aquacal 155,120 ensures a comfortable and enjoyable swimming experience.
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