Tekmar 265 Boiler Control Bedienungsanleitung PDF herunterladen (Seite 25)

Prim

Power

115 V (ac)

C.A./

Alert

24 to 230 V (ac)

Low Voltage Alert

Test the Outputs

Primary Pump (Prim P1)

If a primary pump is connected to the Prim P1 term inal (12), make sure that p ower to the

terminal block is off and install a jumper between the Power L and Prim P1 terminals (13

and 12). When power is applied to the Power L and Power N terminals (13 and 14), the

primary pump should start. If the pump does not turn on, check the wiring between the

terminal block and pump and refer to any installation or troubleshooting information

supplied with the pump. If the pump operates properly, disconnect the power and

remove the jumper.

Combustion Air or Alert (C.A. / Alert)

If a combustion air damper or an alert is connected to the C.A. / Alert terminals (15 and 16),

make sure power to the damper or alert circuit is off and install a jumper between

terminals (15 and 16). When the circuit is powered up, the combustion air damper

should open or the alert should activate. If the damper or the alert fails to operate,

check the wiring between the terminals and the damper or the alert and refer to any

installation or troubleshooting information supplied with these devices. If the damper

or the alert operates properly, disconnect the power and remove the jumper.

Boiler 1 and Boiler 2 Contacts

If a boiler is connected to the Boiler 1 and / or Boiler 2 contacts (17 and 18, 19 and

20), make sure power to the boiler circuit(s) is off, and install a jumper between the

terminals. When the boiler circuit is powered up, the boiler should fire. If the boiler does

not turn on, refer to any installation or troubleshooting information supplied with the

boiler. (The boiler may have a flow switch that prevents firing until the primary pump

(Prim P1) or boiler pumps (Boiler Pump 1, 2) are running). If the boiler(s) operates

properly, disconnect the power and remove the jumper.

Boiler 3 / DHW Contact

Boiler Operation

If a boiler is connected to the Boiler 3 / DHW contact (21 and 22), make sure power

to the boiler circuit is off, and install a jumper between the terminals. When the boiler

circuit is powered up, the boiler should fire. If the boiler does not turn on, refer to any

installation or troubleshooting information supplied with the boiler. (The boiler may

have a flow switch that prevents firing until the primary pump (Prim P1) or boiler pump

(Boiler Pump 3) is running). If the boiler operates properly, disconnect the power and

remove the jumper.

DHW Operation

If a DHW pump or DHW valve is connected to the Boiler 3 / DHW contact (21 and 22),

make sure the power to the pump or valve circuit is off and install a jumper between

those terminals. When the DHW circuit is powered up, the DHW pump should turn

on or the DHW valve should open completely. If the DHW pump or valve fails to

operate, check the wiring between the terminals and the pump or valve and refer to

any installation or troubleshooting information supplied with these devices. If the DHW

pump or valve operates correctly, disconnect the power and remove the jumper.

Boiler Pump 1 to Boiler Pump 3 Contacts

If a boiler pump is connected to Boiler Pump 1 contact (23 and 24), make sure that

power to the terminal block is off and install a jumper between the terminals. When

power is applied to circuit, the boiler pump should start. If the pump does not turn on,

check the wiring between the terminal block and pump and refer to any installation

or troubleshooting information supplied with the pump. If the pump operates properly,

disconnect the power and remove the jumper.

Repeat the same procedure for Boiler Pump 2 contacts (25 and 26) and for Boiler Pump 3

contacts (27 and 28) as necessary.

Boiler 3/

DHW

24 to 230 V (ac)

Boiler

Boiler 3/

DHW

Boiler 3

Boiler

Pump 1

24 to 230 V (ac)

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 35 36

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