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U-SERIES LOW LEVEL PROGRAMMING

LINE 2

NEUTRAL

LINE 1

GROUND

WARNING - Secure wires as defined by the NEC and in compliance with any local codes in effect 
at the time of installation. The system data label contains specific electrical information required for 
installation. A wiring diagram is provide with every system and is located inside the control systems 
hinged cover. The wiring diagram may contain “manufacturers notes” vital to your particular 
installation. Typical 120-Volt and 240-Volt installations are depicted below.

Use the illustrations and instruction below to connect your input power wiring. Always refer to the 
wiring diagram provided with your control (located inside the hinged cover) prior to connecting any 
wires. 

U-SERIES VOLTAGE CONNECTION

120-Volt

NEUTRAL

LINE 1

GROUND

Blue & White Neutral Wires Crimped Together

GROUND LUG PROVIDED

!

Connect input Neutral to White Wire (crimped together with Blue wire).

!

Connect Line 1 to Black Wire.

!

Connect Line 2 to Blue Wire.

!

Connect input Neutral to White Wire (crimped together with Blue wire).

!

Connect Line 1 to Black Wire.

240-Volt

BLUE

WHITE

BLACK

GROUND LUG PROVIDED

BLUE

WHITE

BLACK

The Low Level settings such as Current Settings (limiting heater activation for low amperage  
systems), Single or Dual Speed Pump, Accessory (pump or blower) Configuration, Circulation 
Pump, Temperature Display (Fahrenheit or Celsius) and Light Configuration may be accessed 
directly from the spaside control. 

Press and hold the Light Key for approximately 20 seconds, the first 
parameter will appear. Use the Up/Down Arrow Key to adjust the setting. 
Press the Light Key to change to the next parameter .

4

LIGHT  KEY

Current Limiting:

HC = High Current (No Current Limiting) 

*

LC = Low Current (heater will turn off with high speed pump or accessory 
operation)

Pump 1 Configuration:

SP 1 = Single Speed 
SP 2 = Dual Speed 

*

Accessory Configuration:

BL 0 = Not Installed
BL 1 = Single Speed Pump 2 or Blower Installed 

*

Circulation Pump:

CP 0 = No Circulation Pump*
CP 1 = Circulation Pump 

Temperature Display:

Tu F = Fahrenheit 

*

Tu C = Celsius

Light Configuration:

LI 1 = Single Intensity (On/Off)*
LI 2 = Two Intensities 

* notes default setting

Note:  If the error code “FLC” appears after programming simply cycle the power to 

the control unit and the error should clear.  

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