
7.2
Manual relay mode
In manual relay mode, you can manually turn “on” and “off” the control
devices connected to Relay A, Relay B or Wash relay.
1. While in Measurement mode
press the MODE key
.
2. The display prompts you to enter the security code.
Press the
▲
or
▼
key
to set security code to “22”.
3.
Press the ENT key
. The Manual relay mode is activated and the relay
mode LED “MANU” lights.
Note:
Pressing ENTER key at a value other than “22” will cause the
controller to revert to Measurement mode, and the relays will remain in
automatic mode.
4.
Press the REL key
to select either Relay A, Relay B or Wash relay. The
corresponding LED (A, B, or W) turns to red.
The manual control options now available depend on the control type (limit,
pulse frequency, or pulse length) you selected and set in section 6.5.
P
H
SETUP
HOLD
off
P
H
SETUP
HOLD
off
If you selected Limit control: The display shows the current
measured value and “OFF” or “ON” depending on the relay
status of the currently selected relay.
P
H
SETUP
HOLD
o
If you selected Pulse length control: The display shows the
current measured value (upper value) and the on time as a
percentage of the current duration set in the CNTR sub-
function in setup mode (lower value).
P
H
SETUP
HOLD
o
If you selected Pulse frequency control: The display shows the
current measured value (upper value) and the pulse frequency
(lower value).
5.
Press the
▲
or
▼
key
to change the Relay on/off status, pulse length,
pulse frequency or wash function. The relay status LED at the right of the
controller will also change from Red to Green.
Note:
If you wish to manually change the status of relays, press the
REL key
at this point and repeat step 5 for the other two relays. The
relay(s) will remain under manual control while you are setting a relay.
6.
Press the MODE key
to return to Measurement mode. The relays are now
back to automatic control.
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