tekmar 264 Boiler Control - Manual (Page 23)

23 of 32 © 2008 D 264 - 12/08
External Input / Stand Alone
The External Input / Stand Alone DIP switch selects whether a tekmar
Outdoor Sensor 070 or an external 0 - 10 V (dc) input signal is to be
connected to the Com – and the Out + terminals (1 and 4).
Advanced / Installer
The Adv / Installer DIP switch selects the access level of the control.
In the Installer access level, a limited number of items may be viewed
and / or adjusted. In the Advanced access level, all items may be
viewed and / or adjusted.
Alarm / Combustion Air
The Alarm / Combustion Air DIP switch selects whether a combustion
air damper or alarm device is to be connected to the C.A. / Alarm
terminals (12 and 13).
Rotate / Off
The Rotate / Off DIP switch selects whether or not the control is to
provide Equal Run Time Rotation of the boiler stages. If the switch is
set to Rotate, the stages will be rotated accordingly. If the switch is set
to Off, the firing sequence is fixed starting with the lowest stage to the
highest stage.
The control’s exterior can be cleaned using a damp cloth. Moisten the cloth with water and wring out prior to wiping the control. Do
not use solvents or cleaning solutions.
Cleaning The Control
Boiler Control 264
Four Stage Boiler & Setpoint Signal wiring must be rated at least 300 V.
H202
7A
C US
Rotate Alarm
Off
Fixed Last
Off
Exercise
Adv
Installer C.A.
First On / Last Off Fixed Lead
First On / First Off
Menu Item
Boiler Demand
Setpoint Demand
WWSD
Modes
1 Up to 4 On/Off Boilers
2 Up to 2 On/Off Boilers & 2 Pumps
3 Up to 2 Lo/Hi Boilers
4 1 Three Stage Boiler & 1 Pump
Test
off not testing red testing red testing paused
For maximum
heat, press &
hold Test for 3
seconds.
tektra 943-02 Made in Canada by tekmar Control Systems Ltd.
Power 115 V ±10% 50/60 Hz 600 VA Relays 230 V (ac) 5 A 1/3 hp, pilot duty 240 VA Demands 20 to 260 V (ac) 2 VA trol 264
er & Setpoint Signal wiring must be rated at least 300 V.
27 A
C US
nu Item
tektra 943-02 Made in Canada by tekmar Control Systems Ltd. y
Power 115 V ±10% 50/60 Hz 600 VA
Relays 230 V (ac) 5 A 1/3 hp, pilot duty 240 VA Demands 20 to 260 V (ac) 2 VA Boiler C
Four Stage
M
Boiler Demand
Setpoint Demand
WWSD
4 1 Three Stage Boiler & 1 Pump
off not testing red testing red testing paused
For maximum
heat, press &
hold Test for 3
t
DIP Switches
Dip Switch Settings
GENERAL
The DIP switch settings on the control are very important and should
be set to the appropriate settings prior to making any adjustments
to the control through the User Interface. The DIP switch settings
change the items that are available to be viewed and / or adjusted in
the User Interface.
If a DIP switch is changed while the control is powered up, the
control responds to the change in setting by returning the display to
the VIEW menu.
Rotate Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone
Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off
Rotate Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off
Rotate Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off
Rotate Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off