Tekmar 422 Universal Reset Module Bedienungsanleitung PDF herunterladen (Seite 10)

Item Field

Range

Access Description

40 to 100°F

(4.5 to 38.0°C)

Default = 70°F

(21.0°C)

BOILER INDOOR

SECTION B

The design indoor air temperature used in the heat

loss calculation for the boiler zones. Typically set to

70°F (21.0°C).

Note: This item is only available when the Boiler

Sensor Sup / Ret DIP switch is set to Sup and the

tN4 DIP switch is set to Boiler.

70 to 220°F

(21.0 to 104.5°C)

Default = 180°F

(82.0°C)

InS

BOILER DESIGN SECTION B

The supply water temperature required for boiler

zones on the typical coldest day of the year.

Note: This item is only available when the Boiler

Sensor Sup / Ret DIP switch is set to Sup and the

tN4 DIP switch is set to Boiler.

OFF, 80 to 180°F

(OFF, 26.5 to 82.0°C)

Default = 140°F

(60.0°C)

InS

BOILER MINIMUM SECTION C

The minimum allowed boiler target temperature and

boiler return protection temperature. Check the boiler

manufacturer’s manual for recommend supply water

temperatures.

120 to 225°F, OFF

(49.0 to 107.0°C, OFF)

Default = 200°F

(93.5°C)

BOILER MAXIMUM SECTION C

The maximum allowed boiler target temperature.

Note: This item is only available when the Boiler

Sensor Sup / Ret DIP switch is set to Sup and the

tekmar stager DIP switch is set to OFF.

0:00 to 3:00 min

Default = 0:10 min

FIRE DELAY SECTION C

The time delay the control can expect between the

time that the relay contact closes to fire the boiler

and when the burner actually fires.

Note: This item is only available when the Boiler

Sensor Sup / Ret DIP switch is set to Sup and the

tekmar stager DIP switch is set to OFF.

Au, 2 to 42°F

(Au, 1 to 23.5°C)

Default = Au

BOILER DIFFERENTIAL SECTION C

The temperature differential that the control is to use

when it is operating the boiler.

Note: This item is only available when the Boiler

Sensor Sup / Ret DIP switch is set to Sup and the

tekmar stager DIP switch is set to OFF.

10 to 230 seconds

Default = 30 seconds

BOILER MOTOR SECTION C

The amount of time required for the modulating

actuating motor to fully open the gas valve or operate

the fan speed from a stopped position to full speed

on a modulating boiler.

Note: This item is only available when the Boiler

Sensor Sup / Ret DIP switch is set to Sup, the Boiler

On-Off / Mod DIP switch is set to Mod and the tekmar

stager DIP switch is set to OFF.

Adjust Menu (3 of 5)

Continued on next page.

ADJUST MENU

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