SYSHRW – Installation Operation Manual (IOM HRW 01 N 21GB)

English
20 SYSHRW
13.2.2. DESCRIPTION OF WIRING DIAGRAM REFERENCES
FFG : Fuses according to chart 1 (not supplied)
Q1 : Main switch (supplied as an option)
KA1 : Phase cut-out and sequence control module (three phase models only)
X : Connection terminal block (three phase models only)
* according to equipment level
13.2.2.1. COOLING
M1 : Refrigeration compressor.
K1 : M1 compressor power contactor. (three phase models only)
LP : Automatic reset Low Pressure pressostat.
HP : Automatic reset High Pressure pressostat.
C1 : M1 compressor condenser (single phase models).
RV1 : 4 way valve for cycle inversion.
SW : condensed water level detector
13.2.2.2. VENTILATION
HP2 : Automatic reset High Pressure pressostat.
T : timers (regulation 3 minutes)
MV : Treated air fan motor.
FV : MV motor internal safety device.
CV : MV motor condenser.
K3/K4/K5: MV motor relay*.
* depending on version or equipment level
13.2.2.3. WATER CIRCUIT
Y1 : Water circuit valve (not supplied-available in option).
FDP : Water circuit inlet / outlet differential pressostat
KA3 : Relay of safety
13.2.2.4. CONTROL AND REGULATION
RCX : Local control module.
ICT : Anti-freezing protection sensors.
RT : Intake air temperature sensor.
LWT : Outlet water temperature sensor.
SM : Remote ON/OFF switch, 100 m maximum (Not supplied -Please consult us for longer distances).
CLK : CLOCK input remote ON/OFF
T1 : Timers
KA4 : Relay
13.2.2.5. REMOTE MANAGEMENT AND PROGRAMMING MODULE KIT (<100M)
µBMS : Supervision module
13.2.2.6. FAULT REPORTING OPTION
KA2 : Remote fault reporting relay (3 A max / 230 V)