Service manual

12-15
CONTROL SYSTEM
SM SX DCI 1-A.3 GB
12.11 Test Mode
12.11.1 Entering Test Mode
System can enter Test mode in two ways:
Automatically when the following conditions exists for 30 minutes continuously:
Mode = Cool, Set point = 16, Room temperature = 27(+1/−2), Outdoor temperature = 35(+2/-1)
Or
Mode = Heat, Set point = 30, Room temperature = 20±1, Outdoor temperature = 7±(+1/-2)
Manually when entering diagnostics with the following settings:
Mode = Cool, Set point = 16
Mode = Heat, Set point = 30
12.11.2 Unit Operation in Test Mode
In test mode, the unit will operate in fixed settings according to the indoor fan speed setting:
Indoor FAN Speed Setting Unit Setting
Low Minimum Capacity Setting
Turbo Nominal Capacity Setting
Auto Maximum Capacity Setting
During test mode, protections are disabled, except for stop compressor status.
12.12 SW Parameters
12.12.1 Indoor Units SW Parameters
Model dependent parametes - KN
A
(KN-60)
B
(KN-72)
C
(KN-80)
Cap .Group 3 4 4
NomLoadC 81 61 67
NomLoadH 77 59 67
MaxNLOADIF1C 55 44 85
MaxNLOADIF2C 70 50 102
MaxNLOADIF3C 127 120 120
MaxNLOADIF4C 127 127 127
MaxNLOADIF5C 127 127 127
MinRTC 20 20 20
MaxNLOADRTC 127 127 127
MaxNLOADIF1H 127 127 127
MaxNLOADIF2H 127 127 127
MaxNLOADIF3H 127 127 127
MaxNLOADIF4H 127 127 127
MaxNLOADIF5H 127 127 127
MaxNLOADRTH 127 127 127
MaxRTH 27 27 27
MaxNLOADPSC 81 61 67
MaxNLOADPSH 77 59 67
CONTENT