Installation

4

Plug pump into a 115-volt outlet that carries power that will not be interrupted. Do not connect pump to a fan or limit control circuit or the like.

 

Some Models include an

 

auxiliary safety switch.

 

Connect switch as

 

explained in "Safety Switch".

 

5493 0906

4

Hazardous voltage. Plug pump into a

115-volt outlet. Pump is double insulated; grounding is not required.

With the unit plugged in and the discharge line installed, fill the pump reservoir until the pump starts. Allow it to pump down and shut itself off automatically to verify proper operation through one complete cycle.

Safety Switch:

Most models include an automatic safety switch which should be wired to activate an alarm or to cut off power in the event of high water in the condensate reservoir.

If you must run additional wire from the low voltage safety switch to the alarm or to the control wiring of your furnace/AC unit, use at least 18 gauge (AWG) copper wire rated at 105° C. Make connections with wire nuts as shown.

If your installation allows interruption of heating or cool- ing, follow procedure 1, below.

If your installation does not allow interruption of heating or cooling, follow procedure 2, “Safety Switch Sounds Alarm”.

Risk of electrical shock. Disconnect power to furnace/AC unit and be sure condensate pump is unplugged before starting procedure.

1.Safety Switch Shuts Down Furnace/AC

A.Make sure the pump is unplugged.

B.Find the red wire in the bundle from the thermostat and disconnect it from the furnace/AC unit.

C.Connect the red wire to one of the white wires from the safety switch as shown in Figure 1.

D.Connect the other white wire from the switch to the furnace/AC terminal strip where the red wire from the thermostat was connected.

E.Plug in the pump.

F.The furnace/AC will now operate as long as the condensate pump empties the reservoir. If the reser- voir overfills, the switch will open and cut off the power to the furnace/AC.

Wire Nut

From Thermostat

Condensate Pump

 

 

 

 

 

White

Red

White

Green

Yellow

White

 

 

 

 

Furnace/A.C.

Figure 1: Low Voltage Auxiliary Safety Switch connection for Furnace/AC shutdown installation.

Risk of freezing/overheating. This installa- tion will shut down the furnace/AC unit if the water level in the pump reservoir rises to within about 1/2" from the top of the reservoir (thereby stopping the production of condensate and preventing flooding), but it will not allow the furnace/AC unit to restart until the condensate pump reservoir is emptied. It should be monitored so that in case of high water in the reservoir, corrective action can be taken before freezing/overheating occurs.

NOTICE: When installing the pump in a new home or after a renovation project, be sure that debris in the duct work does not get into the reservoir; it will clog the system.

2.Safety Switch Sounds Alarm

A.Make sure the pump is unplugged.

B.Remove the two screws holding the motor cover to the pump deck. Remove the cover.

C.Do not disturb the two yellow wires going through the deck and into the motor (they are potted into the top of the motor so there are no wire ends visi- ble) .

D.Remove the white wire from the bottom terminal (NC or Normally Closed) on the end of the safety switch and reattach it to the upper terminal (NO or Normally Open) on the end of the switch.

E.Run the white switch wires out through the notch in the motor cover and replace the motor cover. Make sure all wires (power cord and safety switch) run through the notch. Hook the cover under the catch on the deck and secure it with two screws.

F.Connect the white wires from the safety switch to the alarm of your choice (purchase separately). Consult the alarm manufacturer’s instructions for correct connections to the alarm.

G.Plug in the pump.

For parts or assistance, call Simer Customer Service at 1-800-468-7867 /1-800-546-7867

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Simer Pumps 2520ULST owner manual Safety Switch, Some Models include an

2520ULST specifications

The Simer Pumps 2520ULST is a robust submersible pump designed primarily for residential and light commercial applications. Known for its reliability and efficiency, the 2520ULST is engineered to handle a variety of water removal tasks, including sump pumping, drainage, and light sewage applications.

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The pump is powered by a powerful 1/2 horsepower motor, capable of moving up to 36 gallons per minute. This impressive flow rate allows the 2520ULST to efficiently handle larger volumes of water, whether it is being used for draining flooded basements or removing water from construction sites. Additionally, the pump has a maximum head of 27 feet, which provides versatility in various applications.

The Simer Pumps 2520ULST incorporates advanced technology with its automatic float switch, which ensures reliable operation without the need for constant monitoring. This feature allows the pump to turn on and off automatically based on water levels, providing peace of mind to users who may not always be present to oversee the operation. The float switch is designed to minimize the risk of clogging or jamming, ensuring smooth and continuous operation.

Another notable characteristic of the Simer Pumps 2520ULST is its ability to handle solids up to 1/2 inch in diameter. This capacity makes it suitable for handling some light sewage or debris, increasing its versatility for various pumping needs. Moreover, the pump features a thermal overload protection system, which shuts down the motor when it overheats, therefore extending its lifespan and preventing potential damage.

For those seeking reliable, efficient, and durable pumping solutions, the Simer Pumps 2520ULST stands out in the market. With its combination of solid construction, high performance, and user-friendly features, this pump is an excellent investment for homeowners and professionals dealing with water removal needs. Whether for routine drainage or emergency situations, the 2520ULST delivers exceptional performance that users can depend on.