Adjus t menu – tekmar 545 Thermostat Installation User Manual

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© 2008

D 545 - 07/08

Item Field

Range

Access

Description

OFF, ON

Default = OFF

INST

ADV

HEAT 2 DELAY

SECTION

F

Select whether the system, primary, or mixing pump

on a tN4 System Control is delayed to allow a second

stage heat thermal motor zone valve to open. Select

On for thermal motor, select Off for zone pump or

motorized zone valve.
Note: This item is only available when the H2 Terminal

item is set to CTRL, HRF1, HRF2, Fan Coil, Convector,

Radiator, or Baseboard.

NONE, 1 to 16

Default = NONE

ADV

COOL MASTER

SECTION

H

Select the cool group for which this thermostat is the
master. Select None if this thermostat is not a cool
group master.
Note: This item is only available when the thermostat
is connected to a tN4 network and the Cool Stage
is set to 1.

NONE, 1 to 16

Default = NONE

ADV

COOL MEMBER

SECTION

H

Select the cool group of which this thermostat is a
member. Select None if this thermostat is not a cool
group member.
Note: This item is only available when the thermostat
is connected to a tN4 network, Cool Master is set to
NONE and the Cool Stage is set to NONE.

NONE, 1

Default = 1

INST

ADV

COOL STAGES

SECTION

G

Select the number of cooling stages. Select None if
cooling is not used.

0:30 to 6:00 min

Default = 2:00

ADV

MINIMUM COOL RUN TIME

SECTION

G

Select the minimum running time for the cooling
equipment.
Note: This item is only available when the Cool Stage
is set to 1.

0:30 to 10:00 min

Default = 5:00

ADV

MINIMUM COOL OFF TIME

SECTION

G

Select the minimum off time for the cooling
equipment.
Note: This item is only available when the Cool Stage
is set to 1.

AUTO, 2 to 12

Default = AUTO

ADV

COOL CYCLES PER HOUR

SECTION

D

Select the number of cooling cycles per hour.
Note: This item is only available when the Cool Stage
is set to 1.

10 to 180 min

Default = 30

ADV

INTERLOCK

SECTION

G

Select how long heating must be off before cooling
starts.
Note: This item is only available when the Cool Stage
is set to 1.

Adjust Menu (4 of 7)

Continued on next page.

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