Intronics PI-03 Installation Manual page 7

Note : Default setting is 30ºC.
Program 3 : Type of valve/damper
There are several types of valve/damper subject to the types actuating, feed back and direction. Program the
thermostat to match with the type of valve/damper used.
Press △key until the first digit is

Press ▽ key until the second digit is as required. See table below.

Second digit displays
Type of actuating
Type of feed back
Feed back direction
Note : DA = Direct actuating, RA = Reverse actuating
Factory setting is 3.8 (0-10 V actuating, No feed back).
Program 4 : Setting of Calculating position cycle
This program is used to select interval time of position calculation for valve control. It can be set in a range
of 30-120 seconds. The control will delay the next operation of the valve/damper until the current operation
is completed.
Press △key until the first digit is

Press ▽ key until the second digit is as required. See table below.

Second digit displays
Opening time (sec.)
Note : Default setting is 40 seconds..
Program 5 : K setting
p
K is the proportional factor that control the opening of the valve/damper. The higher K
p
temp. is brought to the set temp. However the fluctuation of the room temp. is also higher. Then K
set properly.
Press △key until the first digit is

Press ▽ key until the second digit is as required. See table below.

Second digit displays
K
p
3
.
0 1 2
0-10V 2-10V 0-10V 2-10V 0-10V 2-10V 0-10V 2-10V 0-10V 2-10V
0-10V 0-10V 2-10V 2-10V 0-10V 0-10V 2-10V 2-10V None None
DA DA DA
4
.
0 1 2
30 40 50
5
.
0 1 2
1 2 4
PI – 03/04 Modulating Digital Thermostat
3 4 5
DA RA RA
3 4 5
60 70 80
3 4 5
6 8 10
-7-
6 7 8
RA RA None None
6 7 8 9
90 100 110 120
, the faster the room
p
6 7 8 9
12 14 16 18
9
shall be
p