Changes In Comparison To Dvm S - Samsung AG042KSVANH Service Manual

2-1-2. Changes in comparison to DVM S

Changed part
Hydro
Control Box
Hydro PCB
(Hydro)
Main PCB
Hub PCB
FAN PCB
Control Box
(Inverter)
EMI PCB
Changed item and feature
- Producing hot water & cold water
by using plate type heat exchanger.
- Control specification for freeze
prevention(the application of the
water temperature/the pressure
sensor).
- Air purge, Drain valve, Inlet/Outlet
flange.
New Hydro PCB.
- Hot&Cold water load and
protection control load of Freeze
protection.
- Module controller, External control
contact, Supply of Laod/Sensor.
Change Main PCB.
- Separation of Load/Control
Deleting of option resistance by
model.(standardization)
- Need of option download at the
time of the PCB replacement.
New Hub PCB.
- Separation of Load/Control.
- Improvement of the fixed form of
Load/Sensor wire.
FAN Controller using 3-phase power.
- Prevention of phase imbalance.
- Protection of IPM temperature.
EMI PCB for 3-phase 3-wire power.
- Fuse mounting
- PF No. 8
EMI PCB for 3-phase 3-wire power.
- Fuse mounting
- PF No. 9
EMI PCB for 3-phase 4-wire power.
- Fuse mounting
- PF No. 8
EMI PCB for 3-phase 4-wire power.
- Fuse mounting
- PF No. 9
Basic
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Revision
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