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i) Operating Parameters Display
Press <SET> key 3 times (press 2 times and hold 1 sec for third time) will enter Operating Parameters
Display. “Error codes display area” will show “d1”; “Address display area” will show sub-menu number (13
sub-menu) and “Temperature display area” will show the particular sub-menu. Press the following to change
the settings.
a.
Press <MENU +/-> for sub-menu selection.
b.
Press
-
and
+
to change the parameter settings.
c.
Press <ENTER> key to save the settings and exit.
d.
Press <CANCEL> to reject selection and exit without saving.
The parameters will be represented as in the following table:
Sub-menu
Description
Default
Range
1
Operation mode
AU: Auto mode
HA: Remote Cool/Heat
HE: Heat mode
CO: Cool mode
AU
AU
HA
HE
CO
2
Auto mode - heating set point
(threshold below ambient temperature)
16°C
0°C - 26°C
3
Auto mode - cooling set point
(threshold above ambient temperature)
20°C
16°C - 35°C
4
Cooling set point - leaving water
7°C
5°C - 12°C
5
Cooling set point - entering water
12°C
7°C - 17°C
6
Cooling differential - leaving water
2°C
1°C - 5°C
7
Cooling differential - entering water
2°C
1°C - 5°C
8
Cooling sensor select
(In = Entering water, Ou = Leaving water)
In
In
Ou
9
Heating set point - entering water
40°C
35°C - 45°C
10
Heating set point - leaving water
45°C
40°C - 50°C
11
Heating differential - leaving water
2°C
1°C - 5°C
12
Heating differential - entering water
2°C
1°C - 5°C
13
Heating sensor select
(In = Entering water, Ou = Leaving water)
In
In
Ou
j) Last State Memory
To set and activate last state memory, press <MENU +> key then press <SET> key simultaneously for 5
seconds. “Error code display area” will show “Fu” with a long beep sound to indicate last state memory menu.
“Address display area” will show sub manual number. Press the following key to change the settings:
a.
Press <MENU +/-> for sub-menu selection
b.
Press
-
and
+
to change the parameter settings.
c.
Press “ENTER” key to save the settings and exit.
d.
Press “CANCEL” to reject selection and exit without saving.
The parameters will be represented as in the following table:
Sub-Menu
Description
Default
Range
1
Activation
dn= Default mode, En= Last state memory
dn
En
dn
2
Set default mode
En: Activate (set the current status as default)
dn: Deactivate or Done*
dn
En
dn
Note: * Display will show "dn" when default setting had been set.
k) Remote ON/OFF
When Remote ON/OFF contact is opened for 16 seconds (except Remote Cool/Heat), the system will turn
to standby. System will ON automatically when contact close again.
l) External Alarm
When External interlock contact is opened (except Remote Cool/Heat), the system will stop and wired
controller will show Error code 7. Manual reset is required to start the system again.
m) Remote Cool/Heat
For Remote Cool/Heat (Mode: HA), the external interlock is used for remote cool/heat: CLOSE = Heat
mode; OPEN = Cool mode (mode change only can be done when system is in standby). Remote ON/OFF is
used to control the system ON/OFF: OPEN = system OFF; CLOSE = system ON.
