ALTEC
Technical Data
While temperature sensor connection breakdown
VR
is displayed, or while overrange
SNB
is displayed.
At this time, relay output are determined by
PF1
as shown in the parameter list.
6.5 Sensor Failure
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Sample rate
Measurement range
Resolution
Temperature sensor
Relay contact rating
Control algorithm
Power supply
Environmental
-50~150 °C
1 °C
NTC, PVC Wire, 2.0m
5(8)A/250VAC
125ms
ON/OFF
220V AC,
2.0W
≤
Temp: -20~55 °C
,
Rel. Humidity
:
≤
85%
Dimensions
W78
H35
D78mm
×
×
SPK
Mnemonic
Setpoint high limit
Parameter
-50~150 °C
Adjustable Range
to limit
L1
's adjustable range
Parameter
Description
3
SN
SPL
-50~150 °C
4
0~10
minutes
Compressor protection
6
RT1
Min. off time for relay
Setpoint low limit
1~25 °C
to limit
KY1
's adjustable range
5
KYS
Hysteresis range
PF1
Sensor failure output
ON
0FF
Relay 'ON' while sensor failure
Relay 'OFF' while sensor failure
7
1
L 1
Setpoint
SPK
~
SPL
2
KY 1
Hysteresis
1~
KYS
Operation parameter
Switch off the controller; press keys ▲ and ▼ and hold on, switch the controller on
again. Parameter SPK appears on display. Parameter selection and the display of
the value is obtained by pressing key S repeatedly; change with keys ▲ and ▼ and
store with S.
6.4 Parameter List
6.3 Output Action
1) T2 > L1, relay RL1 will be ON, start the air conditioner to cool;
2) T2 < L1, relay RL2 will be ON, start the aeration fan to cool.
In order to avoid compressor switch off and on frequently, must set the minimum off
time
RT1
between the switch OFF and switch ON, regardless of the input value.
The controller performs ON/OFF control algorithm, setpoint is
L1
, hysteresis is
KY1
.
When the indoor temperature T1 is greater than the setting temperature(i.e. setpoint)
L1, the controller act due according to the following rules:
