Model: KT-310R Microcomputer Temperature Controller
Feature:
3 relays for compressor, defrost and fan control
Temperature Display and Control
Defrost by electric heater or hot Gas manually or automatically
Evap. Fan Control
High and Low temperature alarm
Self Testing and Parameter Locking
Value Storing
Specification:
1. Output of the outside sealed transformer: AC12V (one transformer matched with one temp. controller)
2. Temperature sensor: Two NTC sensors (for cold room temp. & defrost control) 2M (L)
3. Temperature measuring range: —45～45℃ (－40~120℉) Accuracy: ±1℃(±2℉)
4. Temperature controlling range: —45～45℃ (－40~120℉) Factory default : 0℃(±32℉)
5. Panel dimension: 77 × 35 × 60 mm
Mounting dimension: 71 × 29 mm
6. Operating environment:—10～60℃ Relative Humidity:20%~90% (No condense)
7. Relay Output contact capacity:
Compressor: 20A/250VAC (Applicable to 1 HP compressor, if more connected to AC contactor)
Defrost: 10A/250VAC (Applicable to 1KW load, if more connected to AC contactor)
Evap. Fan: 5A/250VAC
Parameter | Function | Set range | Default |
E1 | Lower set-point limit | －45℃/40℉～Set temp. | －35℃/－31℉ |
E2 | Higher set-point limit | Set temp.～45℃/120℉ | 20℃/68℉ |
E3 | Return Difference | 1～10℃ / 1～18℉ | 4℃/7℉ |
E4 | Comp.start delay time | 0～10Min | 2Min |
E5 | Room Temp. Calibration | －5～5℃/℉ | 0 |
E6 | Evap.Temp. Calibration | －5～5℃/℉ | 0 |
F0 | Defrost function | 0=Electric heater 1=Hot gas | 0 |
F1 | Defrost Time | 1～60Min | 20Min |
F2 | Defrost Cycle | 0～24Hr | 6Hr |
F3 | Defrost end temp. | 0～20℃/ 32～68℉ | 8℃/46℉ |
F4 | Display during defrost | 0=Normal display 1=Last value before defrost | 0 |
F5 | Fan operating function | 0=Parallel with comp. 1=Continuous run except defrost | 0 |
C1 | Temperature unit | 0=℃ 1=℉ | 0 |
C2 | High temperature alarm | 0～40℃/℉ above set-point | 20 |
C3 | Low temperature alarm | 0～40℃/℉ below set-point | －20 |
C4 | Alarm time delay | 1～90Min | 60Min |
