Maintenance And Repair; Troubleshooting; Technical Specification - Hisense AFM-54EX4SA Operation Installation Maintenance Manual

3.13 Maintenance and Repair

To ensure good operation in the unit, it should work
with the local dealer tor regularly check the unit and
on-site wiring.
Power cut water module and outdoor unit before
maintenance and repair.
1. Water tank electric heating
Recommend cleaning water scale in electrical
when tap water is hard. Drain water from water
tank and take electric heating rod and soak it
into a bucket of solution mixed with descaling
solution for 24 hours.
flows through effluent tube.
3. Electrical box in water module
Thoroughly check electrical box, and seek for
wrong wiring.
Check AC contactor works normally by using
multimeter and all terminal blocks in AC
contactor do not contact with other parts .

3.14 Troubleshooting

e.g. loose wiring or wrong wiring.
Carefully read this section before contact local
factory. If reasons are not found, contact local
dealer.
Possible
No. ymptom
Cause
No water Main water
flows source is
1
from hot closed.
faucet.
Water Water
flowing module
from hot does not
2
faucet is work.
cold.
Water Temperatur
flows e protection
3
interrupti de ice fails
ely .
Water Temperatur
continuo e pressure
4
usly al e fails
flows out.
No water Water inlet
5
flows out. al e fails.
olution
Check stop al e of all water
circulation are opened.
Refer to the manual. Check
water module. If problem
continues, contact local dealer.
Power cut water module. If no
water flows from outlet tube, it
still fails, contact local dealer.
Check temperature pressure
al e.
Open water inlet al e.
3.15 Technical S pecification
-20-43ºC
Water tank specification
H DHWT
Type 150E
/3H1Q
Capacity (L)
Size
1606
Power
Water Supply
T ank Curren
Electric t (A)
H eating
Power
(Kw)
Water Side Design
Pressure (MPa)
Max. working
Pressure of Water
T ank (MPa)
Max. working
P ressure of Coil
(MPa)
Opening Pressure
of Safety al e
V
(MPa)
ize of S afety
V al eJoint (inch)
ize of C old and
H ot Water Inlet and
O utlet(inch)
ize of C oil Inlet
andOutlet (inch)
Weight (kg) 56
Weight Containing
206
Water (kg)
Max.Water S upply
Pressure
(a) Rp is British sealed cylinder female thread.
(b) G is British non-sealed cylinder thread.
57
H DHWT H DHWT H
150E/ 200E/
3H1Q 3H1Q
150 150 200
648
648
470x
x880
x1080
220V-240V~ 50Hz -
13
3
0.65
0.85
0.65
0.85
(b)
G3/4
(a)
Rp3/4
(b)
G3/4
65 77
215 277
0.65
DHW-
300E/
3H1Q
300
648
x1480
96
396