Tyler Refrigeration TLF, TLD, TLM Tlm, Tlf, Tld, Setting the Electronic Thermostat, Page, April

TLM, TLF, TLD

THERMOSTAT BULB PLACEMENT

Typical Service Case with Blower Coil

In addition to the thermostat and suction solenoid, a suction stop EPR valve is required in the suction line. The EPR valve acts as a low pressure limit to aid in the overall temperature control. See “Connecting the Refrigeration Piping and Components” on page 27 of this manual.

Setting the Electronic Thermostat

1.Remove the four screws and cover from the electronic thermostat.

2.Connect sensor wires to the common (COM) and sensor (SEN) terminals of the terminal strip located at the top left of the printed circuit board. The sensor leads are interchangeble.

3.Set the Heating/Cooling jumper blocks to the “COOL” position.

4.Set the Cut-in at Setpoint/Cut-out at Setpoint jumper blocks to the “Cut-out at Setpoint” position.

5.Set the Keypad Locked/Unlocked jumper blocks to the “Unlocked” position.

6.Replace the electronic thermostat cover and secure with four screws.

7.To adjust the setpoint:

a.Push the Menu Button. “SP” will flash on the LCD display.

b.Push the Menu Button one more time and a setpoint temperature will be displayed.

Page 12 April, 2007