TCY3-T0121R Engineering Manual
 
Doc: 70-000002 V1.0, 20101115  © Vector Controls GmbH, Switzerland  Page 18 
Subject to alteration 
Control parameters Temperature Input (Loop 1) 
Parameter Description  Range  Default 
1L 00  Standby set point shift  0…100°  5.0°C  (10°F) 
1L 01  Minimum set point limit for heating  -40…215°C  10°C (50°F) 
1L 02  Maximum set point limit for heating  -40…215°C  28°C (82°F) 
1L 03  Minimum set point limit for cooling  -40…215°C  18°C (64°F) 
1L 04  Maximum set point limit for cooling  -40…215°C  34°C (92°F) 
1L 05  Dead zone between heating & cooling set point X
DZ
 0…100° 1.0° (2°F) 
1L 06  Cascade Control:  
Set point of this loop provided by a PID sequence of loop 2.  
0 = No cascade control 
1 = Setpoint provided by reverse sequence of LP2  
2 = Setpoint provided by direct sequence of LP2 
3 = Setpoint provided by reverse and direct sequence of LP2 
0…3 0 
1L 07  Summer – Winter compensation 
0 = Disabled 
1 = Winter Compensation only  
2 = Summer compensation only  
3 = Winter and summer compensation 
0…3 0 
1L 08  Automatic change of Heat / Cool setting by demand 
OFF = Manual (2-pipe) 
ON = Automatic (4-pipe) 
ON, OFF  OFF 
PID Control Sequence 
Parameter Description  Range  Default 
1L 09  P – band heating X
PH
 0…100° 2.0°C (4.0°F) 
1L 10  P – band cooling X
PC
 0…100° 2.0° (4.0°F) 
1L 11  K
IH
, Integral gain heating, in 0.1 steps,  
0 disables ID part 
low value = slow reaction 
high value = fast reaction 
0…25.5 0.0 
1L 12  K
IC
, Integral gain cooling, in 0.1 steps, 0 disables I part  0…25.5  0.0 
1L 13  T
I 
interval time speed: OFF = Seconds, ON = Minutes  ON, OFF  OFF (sec) 
1L 14  T
I
, measuring interval integral 
low value = fast reaction 
high value = slow reaction 
0…255 1 sec 
Digital Control Sequence 
Parameter Description  Range  Default 
1L 15  Action of stages 
0 = Cumulative: 1. Q
H1
, 2. Q
H1
+Q
H2
 
1 = Single: 1. Q
H1
, 2. Q
H2
 
2 = Digital: 1. Q
H1
, 2. Q
H2
, 3. Q
H1
 + Q
H2
 
0…2 0 
1L 16  Offset heating stage 1: Q
H1
 0…100° 0.0° (0.0°F) 
1L 17  Offset heating stage 2: Q
H2
 0…100° 2.0° (4.0°F) 
1L 18  Offset heating stage 3: Q
H3
 0…100° 4.0° (8.0°F) 
1L 19  Offset cooling stage 1: Q
C1
 0…100° 0.0° (0.0°F) 
1L 20  Offset cooling stage 2: Q
C2
 0…100° 2.0° (4.0°F) 
1L 21  Offset cooling stage 3: Q
C3
 0…100° 4.0° (8.0°F) 
1L 22  Switching Hysteresis X
H
 0…100° 0.5° (1.0°F) 
1L 23  Delay Switching on / off  0…255s  10s 
1L 24  Delay Heat / Cool change over  0…255 Min  5 Min