Model: SWH-35/300TL, SWH-35/300TSL
Compressor: Mitsubishi RB233GRDC, R134a
TCO (Temp. Switch): when water Temp.
High Pressure Switch: switch OFF when 2.76MPa; switch ON when 2.07MPa;
Fan: Centrifugal type, 220V—240V/50Hz 3 Speeds;
4.2 System I/O figure
Remote On/Off signal output( preserved)
Electric control box fan ( preserved)
4.3 Fan motor speed control
Fan motor speed has 3 levers, High, Middle, Low speed;
Fan motor will start with high speed 30s in advance of the start of compressor;
After staring, Fan motor speed will be regulated by Tp ( Compressor discharge temperature) with
following logic
80, switch OFF, when water Temp.
Comp.
4-way valve
Fan motor ( 3 speed)
Comp. heater
EEV
Element
Element( preserved)
Display
Panel
E-heater: located in the mid of tank, 3000W/230VAC;
Evaporator Temp. T3
Ambient Temp. T4
Discharge Temp. Tp
Suction Temp. Th
PCB
Upper tank Temp. T5U
Lower tank Temp. T5U
Electric control box temp.( preserved)
High pressure protection
Remote On/Off signal input( preserved)
Middle tank temp.( preserved)
Wire
controller
Sanitary Water Heater Technical Manual
60, switch ON;