Carel iJW handleiding
Handleiding
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51
ENG
iJW +0300103EN rel. 1.1 - 31.03.2025
Index
7.12.1 Heater defrost (d0 = 0, 2, 4): duty cycle
The operating stages of heater defrosting with compressor ON/OFF and pump down enabled are shown below.
The duty cycle refers to the default values of parameters F2 and F3.
CMP
E
M
Sv
L
iJ
C
V_Pd
300100_157_R01
300100_159_R01
t
OFF
CMP
V_Pd
FAN
RES
REG REGPDWN DRIP
(dd)
PDRIP
(Fd)
DEF
ON
OFF
ON
OFF
ON
OFF
ON
c8
Fig. 7.s Fig. 7.t
Ref. Description Ref. Description
t Time RES Defrost heater
FAN Evaporator fan V_Pd Pump down valve
DEF Defrost C Condenser
DRIP Dripping E Evaporator
CMP Compressor L Liquid receiver
PDRIP Post-dripping PDWN Pump down
REG Control
7.12.2 Hot gas defrost (d0 = 1, 3): duty cycle
The operating stages of hot gas defrosting with compressor ON/OFF and pump down enabled are shown below. The duty cycle
refers to the default values of parameters F2 and F3.
CMP
E
M
Sv
L
iJ
C
V_Pd
300100_158_R01
M
HGV
t
OFF
CMP
V_Pd
FAN
HGV
REG REGPDWN DRIP PDRIPDEF
ON
OFF
ON
OFF
ON
OFF
ON
c8
c8
Fig. 7.u Fig. 7.v
Ref. Description Ref. Description
t Time REG Control
FAN Evaporator fan HGV Hot gas valve
DEF Defrost V_Pd Pump down valve
DRIP Dripping C Condenser
CMP Compressor E Evaporator
PDRIP Post-dripping L Liquid receiver
PDWN Pump down
Notice: the defrost output (par. DOG) is used to control the hot gas valve HGV.
Pump down is the period in which the evaporator is emptied of liquid refrigerant, and can be disabled by setting cPt=0 (see
“Pump down"). Operation of the fan during the pump down phase depends on parameters F2 and F3. During the dripping
phase the fan is always off , while during the post-dripping phase operation depends on the setting of parameter Fpd.
Code Description Def Min Max UOM User User terminal
dd Dripping time after defrost (fans off )
0 = no dripping
2 0 15 min S NO
cPt Pump down phase duration 0 = pump down disabled 0 0 900 s S NO
F0 Evaporator fan management:
0 = always on;
1 = activation based on Sd – Sv;
2 = activation based on Sd;
3 = activation based on Sv.
003- S NO
F2 Evaporator fans with compressor off :
0 = see F0;
1 = always off with compressor off ;
2 = on for anti-stratifi cation;
3 = on for humidity control
1 0 3 - S NO
F3 Evaporator fans during defrost: 0 = on - 1 = off 1 0 1 - S NO
Fd Post-dripping time after defrosting (fans off with control active) 2 0 15 min S NO
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Productinformatie
| Merk | Carel |
| Model | iJW |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 14964 MB |
