ELECTRICAL DIAGRAMS ABBREVIATIONS
COMPRESSOR/SAFETY CIRCUIT
FFG
: general circuit breaket (not supplied)
Q1
: isolator
K1/K2
: power contactor of compressor M1/M2
FT1/FT2)
: compressor M1/M2 thermal relay
KA1
: phase rotation and missing phase protection
Lp1/Lp2
: low pressure switch (AUTO-RESET CONTROL)
Hp1/Hp2
: high pressure switch (MANUEL-ESET CONTROL)
EM1/EM2
: 4 mn electronic timer
R1/R2
: crankcase heater
M1/M2
: 3-phase refrigerant compressor
X
: terminal
F1/F2/F3
: control fuse
FAN MOTORS & RELATED EQUIPEMENT
MO1/MO2
: fan motor of outdoor unit
CO1/CO2
: capacitor of motor MO1/2 (Table 2)
FO1/FO2
: motor MO1/2 thermal cut-out (auto reset overload protection)
Sp1/Sp2
: electronic fan speed pressure controller
TABLE 2
CDN 205/305
CDN 405/505/605
SPECIFIC COMPONENTS FOR MOD. 405M / 755 / 905
ACS1/AS2
: Three phase frequency converter
S1/S2
: pressure transducer
CAPACITOR VALUE
15 µF
15 µF
12