10
-- PRESSURE SET (1 & 2) --
CUT-IN
XXX psi
(DAGF-2 systems have two separate
PRESSURE SET menus.)
To change cut-in pressure
To accept value keyed in
using number keys
C
UT-OUT
XXX psi
To change cut-out pressure
To accept value keyed in
using number keys
RELIEF TRIP
(Set to “0” to disable)
To change high alarm setting
To accept value keyed in
using number keys
RELIEF DIFF
XXX psi
T
o change relief diff pressure
To accept value keyed in
using number keys
LIMIT TIME
H:MM
(Set to “0” to disable)
To change limit time
To accept value keyed in
using number keys
RELAY DELAY
:SS
(Set to “0” to disable)
To change relay delay
To accept value keyed in
using number keys
Return to PRESSURE SET screen
CLEAR
ENTER
PRESSURE SET (1 & 2)
T
his menu is used to used to set the on and off
pressures for the pump (or pumps in the case of a
dual system). From the Run mode, press the Setup/
Run key. Press the down arrow until the display reads
PRESSURE SET (or P1 set for a dual controller).
Press ENTER. The display will read CUT-IN XX psi.
Press CLEAR, and use the numerical keypad to key in
the psi value at which you want the pump to activate
(note: you must enter 3 digits as above).
Press ENTER to accept the new value.
Use the down arrow to scroll to CUT-OUT XX psi.
Press ENTER. Press CLEAR, and key in the psi value
at which you want the pump to shut off. Press ENTER
to accept the new value.
Note:
Cut-out pressure must be at least 5 PSI greater
than Cut-in pressure.
Press the down arrow, the display will read RELIEF
TRIP XX psi. If this is set to something other than
000, the unit will activate a second relay within the
controller when the relief trip point is exceeded (over
pressure). To set, press CLEAR, then use the number
keys to key in the desired trip point value.
Press ENTER to accept the new value.
RELIEF TRIPS:
55 psi for High Pressure
30 psi for Low Pressure
Press the down arrow, the display will read LIMIT
TIME X:XX. If this is set at anything other than 0:00,
the pump will only be allowed to run for the amount
of time set. This is to prevent possible damage to
the pump in the event of malfunction. To change the
limit time, press CLEAR, then use the number keys
to key in the desired limit time value. Press ENTER
to accept the new value. Press the down arrow, the
display will read RELAY DELAY XX. This function is
for slowing the response of system pressure reading,
delaying the relay action where your system pressure
is somewhat erratic.
ENTER
CLEAR
ENTER
DUAL PUMP OPERATION FOR ONE PLUMBING LOOP (OPTION B)
MicroTron digital glycol feeders with option B include a redundant glycol feed pump. By default,
pump #1 will be the active pump. To select pump #2 as the active pump, perform the following steps:
1. Using the front panel keypad, press the HOA
key labeled RELAY #1 or the HOA key labeled
RELAY #3. The display will read OUTPUT:
PUMP 1 (or OUTPUT: PUMP 2 if pump #2
had been previously selected).
2. Press the ENTER key to toggle the
activation mode between pump #1 and
pump #2.
3. Press the SETUP RUN key to accept the
pump selection and return to the normal
operating mode.
CLEAR
ENTER
CLEAR
ENTER
CLEAR
ENTER
CLEAR
ENTER
