Lennox CLIMATIC 40 User Manual page 10
An electronic device that controls aircoolair / compactari / flatair units (air-air units) and aircube units (condensing units)
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Also See for CLIMATIC 40:
- User manual (30 pages) ,
- User manual (32 pages) ,
- User manual (32 pages)
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REGULATION
1.- AIRCOOLAIR / COMPACTAIR / FLATAIR
Ambient (or return air duct) temperature is thermostatically controlled via set point and tolerance range (differential) as shown in the
following diagrams:
1.1- AUTOMATIC MODE (with DC40)
(Heat pump)
1.2- AUTOMATIC MODE
(Cooling only+Electrical heater)
NOTE: With option Modbus, set point SP is managed through communications instead of DC40 (see table for Modbus parameters)
1.3- AFFECTED PARAMETERS
Par.
DESCRIPTION
Set point (DC40).
SP
r2
Cooling differential.
r4
Heating differential.
r7
Dead zone.
A8
SP E.H. stage (cooling only/heat pump)
A9
Differential E.H.
A
SP E.H. 2 stages (cooling only/heat pump)
2.- AIRCUBE
Aircube is regulated by digital input. (see section 7, advanced functions, for more details).
HEAT
COOL
COOL
HEAT
UNIT 1 COMPRESSOR
MIN.
MAX.
DEF.
8
32
23
0.3
50
0.3
50
0.3
50
0.5
0
20
.5/2.5
0.3
50
0
20
2.5/3.5
9
Ambient
temperature (ºC)
Ambient
temperature (ºC)
UNIT 2 COMPRESSORS
MIN.
MAX.
DEF.
8
32
23
0.3
50
2
0.3
50
2
0.3
50
0.5
0
20
.5/3.5
0.3
50
0
20
2.5/4.5
UNIT 3 COMPRESSORS
MIN.
MAX.
DEF.
8
32
23
0.3
50
3
0.3
50
3
0.3
50
0.5
0
20
.5/4.5
0.3
50
0
20
4.5
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