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2
nd
Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual
PCB
E v a p o r a t o r T e m p .
T 3
A m b i e n t T e m p . T 4
D i s c h a r g e T e m p . T p
S u c t i o n T e m p . T h
U p p e r t a n k T e m p . T 5 U
L o w e r t a n k T e m p . T 5 U
E l e c t r i c c o n t r o l b o x t e m p . (
p r e s e r v e d )
H i g h p r e s s u r e p r o t e c t i o n
R e m o t e O n / O f f s i g n a l i n p u t (
p r e s e r v e d )
M i d d l e t a n k t e m p . (
p r e s e r v e d )
W i r e
c o n t r o l l e r
D i s p l a y
P a n e l
C o m p .
4 - w a y v a l v e
F a n m o t o r (
3 s p e e d )
C o m p . h e a t e r
E E V
E l e m e n t
E l e m e n t (
p r e s e r v e d )
E l e c t r i c c o n t r o l b o x f a n (
p r e s e r v e d )
R e m o t e O n / O f f s i g n a l o u t p u t (
p r e s e r v e d )
2.4.3 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
100
105
Tp
95
Stop Fan
Degrade Fan Speed
Maintain Current Fan Speed
Fan motor will stop 30s behind of the stop of compressor
2.4.4 Defrosting during Water-heating
Conditions to activate defrosting cycle
When T3
≤
0
℃
, Comp. is continually running for 40min
45
Summary of Contents for RSJ-35/300RDN3-B
Page 14: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual E HEATER MODE 15...
Page 16: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4 Dimensions 17...
Page 19: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 7 Piping Diagrams 20...
Page 21: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 9 Exploded View 22...