EAS Electric EBP08WZR, Инструкция по эксплуатации, Страница: 68 / 98

16
；
protection 2. High-pressure switch
is damaged
；
3.Refrigerant system
block
；
4EEV deadlock
。
enough or water pump flow is
not enough;
2. Check if high-pressure
switch is off
；
3. Check if refrigerant system is
blocked
4. When heat pump is off and
turn the heat pump on and off
to check if EEV can be
listenned by sound of reset.
new pump of larger water flow;
2. Change a new high-pressure
switch
3. change a new filter
4.Change a new EEV
P03
Low pressure
protection
1. Lack of gas
2.Refrigerant
system
block
；
3.Exceed heat pump
operation range
1. Check if gas system is leaking
2. Check if filter is blocked
3. Check ambient Temp.and
water temp.is over limitation
1. Amend the leakage and
reinject the gas
2.
change a new filter
P04
T3 Coil
overheat
protection
1. Heat Pump fan
blowing area is
blocked
2. Evaporator is
blocked
3. T3 coil sensor
position was
changed
1. check if the blowing area is
open
2. check if the evaporator is
blocked
3.
check if the coil snesor
resistance value is correct
1. Put away the blow area
2. Clean the evaporator
3. Change a new sensor
P05
Exhausting gas
temperature
protection 1. Lack of gas
2. sensor position was
changed
1. Ceheck if refrigerant system
is leaking
2.
check if the snesor
resistance value is correct
1. Amend the leakage and
reinject the gas
2.
Change a new sensor
P06
Outlet water
temperature
anti-freezing
protection
1. lower water flow
；
2. heat exchanger
blocked
；
3. Y-shaped filter
blocked
；
4. Overlow load
。
1. check if air exists in water
system
；
2. Plate heat exchanger if
blocked
；
3. check if Y-shaped filter has
block
；
4. check design of indoor
water system if reasonable,if
have water bypass
。
1. If drain valve has
problem,change a new one
2. blow plate heat exchanger
with water or high-pressure
gas through reverse
direction
；
3. clean Y-shaped filter;
4.
通
water system must have
bypass
。
P07
Pipe
temperature
anti-freezing
protection
1. sytem lack of gas
；
2. water sytem has
block
；
3. cooling system has
block
。
1. check system if any
leakage
；
2. check Y-shaped filter has
block
；
3. check if cooling system filter
has block
。
1. fix leakage and re-charge gas
；
2. clean Y-shaped filter
；
3. change filter
。
V.2