- User Brochure
Universal Reset Control 364
U 364
07/01
1 of 4 © 2001 U 364 - 07/01
User Interface
The Universal Reset Control 364 is designed to maximize the comfort and efficiency provided by a hydronic
heating system. The control automatically adjusts the boiler and mixed loop water temperatures that are deliv-
ered to the heating system by using outdoor reset. Outdoor reset increases the water temperature in the heat-
ing system as the outdoor temperature becomes colder. Outdoor reset also increases the energy efficiency of
the heating system by not allowing more heat into the building than the building normally loses to the outside.
The mixed water temperature can be used to supply either a space heating system or a single zone snow melt-
ing system. The 364 can intelligently integrate indirect Domestic Hot Water (DHW) and tekmar zone controls
into the heating system. Standard features include boiler protection (when a boiler sensor is installed), pump
exercising, and digital temperature readouts.
The tekmar Universal Reset Control 364 has a Liquid Crystal Display (LCD) and
four push buttons (Menu, Item, ▲, ▼) which are used to view and adjust the
settings.
Menu
All of the items displayed by the control are organized into various menus. These menus
are listed on the left hand side of the display (Menu Field). To select a menu, use the
Menu button. By pressing and releasing the Menu button, the display will advance to
the next available menu. Once a menu is selected, there will be a group of items that
can be viewed within that menu.
Item
The abbreviated name of the selected item will be displayed in the item field of the dis-
play. To view the next available item, press and release the Item button. Once you have
reached the last available item in a menu, pressing and releasing the Item button will
return the display to the first item in the selected menu.
Adjust
To make an adjustment to a setting in the control, begin by selecting the appropriate
menu using the Menu button. Then select the desired item using the Item button.
Finally, use the ▲ and / or ▼ button to make the adjustment.
Additional information can be gained by observing the Status field of the LCD. The
status field will indicate which of the control’s outputs are currently active. Most symbols
in the status field are only visible when the View menu is selected.
Access Level(s) The tekmar Universal Reset Control 364 has four access levels which are LTD (limited), USER, INST (installer), and
ADV (advanced). This brochure only covers the LTD (limited) and USER levels. Only qualified service people should make adjust-
ments in the INST (installer) and ADV (advanced) access levels.
°
F
°
C
min hr
sec
Open / Close
Displays when the actuator is
opening or closing the valve.
Mixing Device Output Scale
Shows output of injection pump
or mixing valve. Arrows show
whether the output is increas-
ing or decreasing.
Burner
Displays when the boiler relay
is turned on.
Pump
Displays when the primary
pump 1, boiler system pump 2
and / or mixing pump 3 is oper-
ating.
DHW Pump
Displays when the DHW pump
or valve is on.
Warning
Displays when an error exists.
Lock / Unlock
Displays whether the access
levels are locked or unlocked.
°F, °C, sec, min, hr
Units of measurement.
Pointer
Displays the control operation
as indicated by the text.
Mix D
m
n
B
il
r D
m
n
DHW D
m
n
Set
oint Deman
WW
Min/M
Meltin
Buttons
Selects Menus, Items and
adjusts settings
Number Field
Displays the current value
of the selected item
Item Field
Displays an abbreviated
name of the selected item
Menu Field
Displays the
current menu
Status Field
Displays the current
status of the control's
inputs, outputs and
operation
Mix Demand
Boiler Demand
DHW Demand
Setpoint Demand
WWSD
Min / Max
Melting
Universal Reset Control 364
Mixing, Boiler & DHW
158033
Menu Item
(16 pages)
(12 pages)
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