11-14
CONTROL SYSTEM
SM BS DCI 1- A.1 GB
11.26 Test
Mode
11.26.1
Entering Test Mode
System can enter Test mode in two ways:
•
Automatically when the following conditions exists for 30 minutes
continuously:
o Mode = Cool, Set point = 16, Room temperature = 27 }1, Outdoor
temperature = 35 }1
Or
o Mode = Heat, Set point = 30, Room temperature = 20 }1, Outdoor
temperature = 7 }1
•
Manually when entering diagnostics with the following settings:
o Mode = Cool, Set point = 16
o Mode = Heat, Set point = 30
11.27 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
High
Nominal Capacity Setting
Auto
Maximum Capacity Setting
During test mode, protections are disabled, except for stop compressor status.
11.28 SW
Parametera
11.28.1 Indoor
Unite
SW
Parameters
General Parameters for All Models:
Parameters defining the indoor fan speed as a function of Indoor Coil temperature in
heat mode (ICT):
ICTVLSpeed ICT to stop indoor fan
25
ICTVLSpeed
ICT to go down to very low speed
28
ICTLSpeed
ICT to start in very low speed
30
ICTHSpeed
ICT to start in increase speed from very low
32
ICTTSpeed
ICT to enable Turbo fan speed
40
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