tekmar 704 Mixing Station - Manual (Page 11)

11 of 16 © 2005 D 704 - 04/05
POWER UP
On power up, the control displays all segments for 2 seconds followed by the control version
number.
The control then automatically goes to the operating mode and displays either the outdoor
temperature or the mix supply temperature.
Display Operation
Mixing Target Temperature
The Mixing Target Temperature sets the desired supply temperature when operating in the
setpoint mode. This item is only available if the Outdoor Design setting is set to OFF.
VIEW MENU
To advance to the next available View Item, press and release the ITEM button on the face of the control.
Outdoor Temperature
The outdoor temperature is displayed when the OUT element is turned on. This is the
current temperature at the outdoor sensor. The outdoor temperature is only displayed if an
outdoor sensor is installed and the Outdoor Design temperature is not turned off.
Mixing Supply Temperature
The mixing supply temperature is displayed when the MIX SUP elements are turned on.
This is the current temperature at the mixing supply sensor.
Mixing Return Temperature
The mixing return temperature is displayed when the MIX RET elements are turned on.
This is the current temperature at the mixing return sensor. The mixing return temperature
is only displayed if the Outdoor Design temperature is turned OFF and a mixing return
sensor is installed.
Mixing Target Temperature
The mixing target temperature is displayed when the MIX TARG elements are turned on.
This is the temperature the RMC is currently trying to maintain at the supply sensor.
If “- - -” is displayed, the RMC is either in WWSD or a demand for heat is not present.
Boiler Temperature
The boiler temperature is displayed when the BOIL element is turned on. This is the cur-
rent temperature at the boiler sensor. The boiler temperature is only displayed if a boiler
sensor is installed.
ADJUST MENU
To switch between the View menu and the Adjust menu, press and release the MENU button on the face of the control. To advance to
the next available Adjust Item, press and release the ITEM button on the face of the control.
BOIL
OUT
ROOM
DIFF
TERM
STG
XCHG
Opn
Cls
MIX SUP
SETP TARG MODE
INDRRET
MASS T
DSGN
MINMAX
WWSD
DEM
VIEW ADJUST
TIME SCHD
F C
%
1 !
MOTR F DLY BST PURG UNOCC
MoTuWeThFrSaSu AMPM
%
2
123
DHW 12
12 DHW
min
h r %
OUT
DEM
VIEW
F
%
1
MIX SUP
DEM
VIEW
F
%
1
MIX
RET
DEM
VIEW
F
%
1
MIX
TARG
DEM
VIEW
F
%
1
BOIL
DEM
VIEW
F
%
1
MIX
TARG
ADJUST
F