Tekmar 257 DHW Control Instrukcja Użytkownika Pobierz pdf (Strona 10)

Program Menu

Item Field Range Description Actual Setting

Stage Mode Delay

Target DHW

DiﬀerentialDHW

70 to 190°F

(21 to 88°C)

Default = 140°F

(60°C)

TARGET DHW

The DHW tank target temperature.

Stage Mode Delay

Target DHW

DiﬀerentialDHW

AU, 1 to 42°F

(Au, 1 to 23°C)

Default = Au

DIFFERENTIAL

The differential the control will use when

operating the boilers in PID mode.

(Stage Mode is set to PID)

Stage Mode Delay

Target DHW

DiﬀerentialDHW

1 to 42°F

(1 to 23°C)

Default = 2°F

(1°C)

DIFFERENTIAL 1

The differential the control will use for

the turn on point of the Heat 1 relay (all

below target DHW).

(Stage Mode is set to P)

Stage Mode Delay

Target DHW

DiﬀerentialDHW

1 to 42°F

(1 to 23°C)

Default = 2°F

(1°C)

DIFFERENTIAL 2

The differential the control will use for

the turn on point of the Heat 2 relay (all

below Differential 1).

(Stage Mode is set to P)

Stage Mode Delay

Target DHW

DiﬀerentialDHW

0:00 to 19:50

minutes

Default = 00:30

DELAY

The minimum time delay between the

operation of stages.

(Stage Mode is set to P)

Stage Mode Delay

Target DHW

DiﬀerentialDHW

PID, P

Default = PID

STAGE MODE

Selects the mode of operation for

staging.

Stage Mode Delay

Target DHW

DiﬀerentialDHW

°F, °C

Default = °F

UNITS

The units of measure that all of the

temperatures are to be displayed in the

control.

PROGRAM MENU

After the last item, the control returns to the first item in the menu.

The Program menu items are the programmable settings

used to operate the system.

Press and hold all three

buttons simultaneously to enter the Program menu.

ItemItem

Change Value

Next ItemEnter Program Menu

1 2 ... 5 6 7 8 9 10 11 12

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Tekmar 257 DHW Control Instrukcja Użytkownika Strona 10

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