Service Manual

ManualsBrandsTekmar ManualsHeating SuppliesSnow Melting Control - BAS, Boiler and Mixing

Override Menu

Description Range Access

MANUAL OVERRIDE

Manually override the normal automatic operation of the control to test the equipment or operate

the system at the maximum temperature limits.

Auto = Normal operation.

Hand = Manual override of each relay output.

Max Heat = Operate hydronic system at maximum heat.

Test = Operate electric system for 10 minutes.

Purge = Hydronic system purge operates pumps to help bleed air from the system.

Conditions: Always available.

Auto, Hand, Max

Heat, Test, Purge,

Off

User

Installer

SYSTEM PUMP

Manually turn on the system pump during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to PWM Zone, Boiler, Mixing or Boiler+Mix,

and 2) Manual Override is set to Hand.

Off or On

Default = Off

Installer

PRIMARY PUMP

Manually turn on the primary pump during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to PWM Zone, Boiler, Mixing or Boiler+Mix,

and 2) Manual Override is set to Hand.

Off or On

Default = Off

Installer

BOILER PUMP

Manually turn on the boiler pump during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to PWM Mode, Boiler or Boiler+Mix, and

2) Manual Override is set to Hand.

Off or On

Default = Off

Installer

BOILER MODULATION

Manually set the modulating boiler firing rate during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to Boiler or Boiler+Mix, 2) Manual Override

is set to Hand, and 3) Boiler Type is set to Mod.

0 to 100%

Default = 0%

Installer

BOILER STAGE 1

Manually turn on the boiler stage 1 during the HAND Manual Override.

Conditions: Available when Manual Override is set to Hand.

Off or On

Default = Off

Installer

BOILER STAGE 2

Manually turn on the boiler stage 2 during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to Boiler or Boiler+Mix, 2) Manual Override

is set to Hand, and 3) Boiler Type is set to Stage 2.

Off or On

Default = Off

Installer

BOILER EMS

Manually set the modulating boiler firing rate during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to Boiler or Boiler+Mix, 2) Manual Override

is set to Hand, and 3) Boiler Type is set to EMS.

Off, 50 to 210°F

(10 to 99.0°C)

Default = Off

Installer

MIX SYSTEM OUTPUT

Manually set the mixing valve or injection mixing pump output during the HAND Manual Override.

Conditions: Available when 1) Application Mode is set to Mixing or Boiler+Mix, and 2) Manual

Override is set to Hand.

0 to 100%

Default = 0%

Installer

HAND DURATION

Select the amount of time that the HAND Override is in effect before returning to Automatic operation.

Conditions: Available when 1) Application Mode is set to PWM Zone, Boiler, Mixing or Boiler+Mix,

and 2) Manual Override is set to Hand.

0:10 to 72:00

hours

Default = 0:10 hour

Installer

MAX HEAT DURATION

Select the amount of time that Max Heat is in effect before returning to Automatic operation.

Conditions: Available when 1) Application Mode is set to PWM Zone, Boiler, Mixing or Boiler+Mix,

and 2) Manual Override is set to Max Heat.

0:10 to 72:00

hours

Default = 24:00 hour

Installer

PURGE DURATION

Select the amount of time that the Purge is in effect before returning to Automatic operation.

Conditions: Available when 1) Application Mode is set to PWM Zone, Boiler, Mixing or Boiler+Mix,

and 2) Manual Override is set to Purge.

0:10 to 72:00

hours

Default = 24:00 hour

Installer