Lennox ROOFTOP FLEXY FCA 100 Installation, Operation And Maintenance Manual Download

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Page 66 - IOM / ROOF-TOP FLEXY™ Series

USING THE KP02 MAINTENANCE CONTROL DISPLAY

LIST OF SETPOINTS (LF 20 - APRIL 2002) - cont'd

2nd Level

Mini. Factory Maxi.

C 076

[Defrost function] Authorization of defrost - Threshold of outdoor
temperature (in °c)

8.0 c

10.0 c /

20.0 c

C 077

[Defrost function] Authorization of defrost - Threshold of temperature
of refrigerant fluid (in °c)

-10.0 c

2.0 c /

-2.0 c

6.0 c

C 078

[Defrost function] Coil icing time (in minute) - The defrost cycle starts
if the operating time of a compressor in heat pump mode reached this
value

30 m

30 m / 45 m

90 m

C 079

[Defrost function] Defrost cycle end - Value indicating the number of
start-up of the condenser fan by the pressure switch to signify the end
of the defrost cycle

1 1

3 5

C 080

[Safety limit] Water heat exchanger output temperature low limit (in
°c) - Threshold of activation of the safety

4.0 c

5.0 c

20.0 c

C 081

[Safety limit] Water heat exchanger output temperature high limit (in
°c) - Threshold of activation of the safety

20.0 c

45.0 c

46.0 c

C 082

[Control limit] Unloading 100% of electrical heat - Threshold of
outdoor temperature (in °c). If the outdoor temperature is higher than
this threshold electrical heat are switched off by the control

-20.0 c

10.0 c

30.0 c

C 083

[Electric heat] Maximum usable power for electric heat (in %)

0 %

100 %

C 084

[Electric heat] (FLEXY FX) All season control - Threshold of mixed air
temperature (in °c) - If the mixed air temperature is lower than this
threshold electric heat is activated

0.0 c

5.0 c

10.0 c

C 085

[Safety limit] Air flow detection - Threshold of pressure difference for
the loss of pressure detection (in pa) - If the pressure difference
across the filters is lower than this threshold the safety is activated.

0 pa

20 pa

1000 pa

C 086

[Safety limit] Clogged filter detection– Threshold of pressure
difference for the detection of clogging (in pa) - If the pressure
difference across the filters is higher than this threshold the safety is
activated

0 pa

250 pa

1000 pa

C 087

[Safety limit] Missing filter detection - Threshold of pressure
difference for the detection of missing filters (in pa) - If the pressure
difference across the filter is lower than this threshold the safety is
activated

0 pa

50 pa

1000 pa

C 088

[kp12-2] Time delay for the closing of contact n°3 (in seconds)

4 s

60 s

65535 s

C 089

[kp12-2] Time delay for the opening of the contact n°2 (in seconds)

2 s

300 s

65535 s

C 090

[kp17] Choice of operating mode –
[Off] Left button = Forcing day mode / Medium button = Cancel
forcing / Right button = Forcing night mode –
[On] Left button = Start the unit / Right button = Stop the unit

Off # On

C 091

[Configuration] Identification number for the j-bus connections

1 #

255

C 092

[BMS] Activation of the control by a computer or an automat - Mode
BMS is activated if this value is different from zero, this value is
decreased every second

0 0

65535

C 093

[Configuration] [Link] Identification number for the connections link
between boards

0 # 7

C 094

[Configuration] [Link] Number of boards linked on the bus

0 # 8