tekmar 545 Thermostat Installation - Manual (Page 8)

© 2008 D 545 - 07/08 8 of 40
Item Field Range Access Description
SYNC, AUTO
2 to 12
Default = AUTO
ADV
HEAT CYCLES PER HOUR SECTION D
Select the number of heating cycles per hour. SYNC
results in 5 CPH. All tN4 thermostats that are connected
and have the SYNC setting selected synchronize their
cycle to the same starting time.
Note: This item is only available when the tN4 System
Control DIP switch is set to None.
CTRL, HRF1, HRF2,
COIL, CONV, RAD,
BASE, OTHR ,FURN
Default =CTRL
INST
ADV
HEAT 1 TERMINAL SECTION E
Select the type of heating terminal for first stage
heat.
Note: If CTRL is selected, the terminal unit selected
on the tN4 System Control is used.
OFF, ON
Default = ON
INST
ADV
HEAT 1 PUMP SECTION F
Select whether the system, primary, or mixing pump
on a tN4 System Control must operate while the first
stage heat is operating.
Note: This item is only available when the H1 Terminal
item is set to CTRL, HRF1, HRF2, Fan Coil, Convector,
Radiator, or Baseboard.
OFF, ON
Default = OFF
INST
ADV
HEAT 1 DELAY SECTION F
Select whether the system, primary, or mixing pump
on a tN4 System Control is delayed to allow a first
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 H1 Terminal
item is set to CTRL, HRF1, HRF2, Fan Coil, Convector,
Radiator, or Baseboard.
NONE, CTRL, HRF1,
HRF2, COIL, CONV,
RAD, BASE, OTHR,
FURN
Default =CTRL
INST
ADV
HEAT 2 TERMINAL SECTION E
Select the type of heating terminal for second stage
heat. If NONE is selected, the second stage heat is
disabled.
Note: If CTRL is selected, the terminal unit selected
on the tN4 System Control is used.
BOIL, MIX1,
MIX2, MIX3
Default = BOIL
ADV
HEAT 2 SOURCE SECTION F
Select the tN4 bus on which the second stage
heat zone operates. This setting determines water
temperature and system pump operation.
Note: This item is only available when the H2 Terminal
item is set to CTRL, HRF1, HRF2, Fan Coil, Convector,
Radiator, or Baseboard.
OFF, ON
Default = ON
INST
ADV
HEAT 2 PUMP SECTION F
Select whether the system, primary, or mixing pump
on a tN4 System Control must operate while the
second stage heat is operating.
Note: This item is only available when the H2 Terminal
item is set to CTRL, HRF1, HRF2, Fan Coil, Convector,
Radiator, or Baseboard.
Adjust Menu (3 of 7)
Continued on next page.
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