Second Compressor; Second Compressor Management - Carel ir33+FMC Guía Rápida

ENG
Cod. Parameter
rn Neutral zone
rr Reverse differential
H1 Configure function of output AUX1
5 = pump down valve
7 = delayed compressor (see c11)
11 = reverse with neutral zone

12 = second compressor

13 = no function
14 = drain heater management
r3 Operating mode
0 = Direct with defrost control (cooling)
1 = Direct (cooling)
3.10 Second compressor
A second compressor can be configured by setting H1 = 12.
The output controls an ON/OFF compressor using the AUX relay.
Control of the Fullmotion compressor follows the diagram shown below.
The first compressor is always the Fullmotion compressor.
Cod. Parameter
H1 Configure function of output AUX1
5 = pump down valve
7 = delayed compressor (see c11)
11 = reverse with neutral zone
12 = second compressor
13 = no function
14 = drain heater management

3.11 Second compressor management

The Fullmotion compressor is managed using the dedicated parameters.
If H1 = 12 (AUX = ON/OFF second compressor) then c1 – c3 are dedicated to ON/OFF protection of the second
compressor.
Parameters c1 – c3 do not have any impact on Fullmotion compressor management.
ir33+ wide Fullmotion - +040000055 - rel. 1.0 - 09.06.2014
Status
Standard
Standard
Set to 11 for AUX reverse with neutral zone
DIRECT
AUX
ON
OFF
VCC
ON
OFF
t
rd/2 rd/2
St
Fig. 3.f
14
Status
H1 =12
Tab. 3.h
Tab. 3.i