Tekmar 162 Setpoint Control Installation User Manual download pdf (Page 5)

Load

The Setpoint Control 162 is designed to support six different

applications. The items shown in the VIEW and ADJUST

Menu change depending on the Application Mode.

Set the application mode as follows:

1) On / Off Setpoint

2) Hot Tub

3) Indirect DHW Tank

4) PWM Setpoint

5) Floor

6) Pool

Application Overview

The VIEW and ADJUST menus list which of the six application

items are visible based upon the mode column.

The TIME, SCHD (Schedule) and MISC (Miscellaneous)

menus are the same for the six application modes.

Applications: On / Off Differential

Mode 1 Setpoint (On / Off)

Mode 2 Hot Tub

Mode 3 DHW Tank

Relay 1 On / Off Differential Operation

The On / Off Differential operates by centering a differential

range around the target setpoint temperature. On / Off

differentials are best suited to heating or cooling loads

that quickly change temperature.

Heating Operation

When heating, the setpoint control turns on Relay 1 when

the temperature falls to 1/2 of the differential below the

setpoint and turns off Relay 1 once the temperature reaches

1/2 of the differential above the setpoint.

Target + ½ Differential

Target – ½ Differential

Target

Differential

Heating On / Off Differential

Relay 1

Target + ½ Differential

Target – ½ Differential

Target

Differential

Cooling On / Off Differential

Relay 1

Cooling Operation

When cooling, the setpoint control turns on Relay 1 when

the temperature rises to 1/2 of the differential above the

setpoint and turns off Relay 1 once the temperature falls

1/2 of the differential below the setpoint.

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Tekmar 162 Setpoint Control Installation User Manual Page 5

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