Daikin FTKS50BVMB, Service Manual

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Operation Mode SiEN18-622
94 Function
1. Operation Mode
•
•
Oil ret u rn oper a tion
Ye s
Ye s
No
No
M a lf u nction/ S t a nd b y
Norm a l oper a tion
• Compre ss or PI control
•
• Protection control
Indoor u nit thermo s t a t ON
No
Ye s
Defro s ting oper a tion
Indoor u nit thermo s t a t ON
Note:
M a lf u nction/ S t a nd b y
(V 3 152)
Oper a tion in
s top mode
Cooling or he a ting
oper a tion
Oil ret u rn IN
condition s a re met.
Defro s t IN
condition s a re met.
Oper a tion
mode ch a nge
Pre ssu re
e qua liz a tion
prior to s t a rt u p
S t a rt u p control
Cooling s t a rt u p
control
He
a ting
s t a rt u p control
Electronic exp a n s ion
v a lve PI control
Indoor u nit s top or
thermo s t a t OFF
Indoor u nit s top or
thermo s t a t OFF
Indoor u nit s top or
thermo s t a t OFF
M a lf u nction/
S t a nd b y
M a lf u nction/
S t a nd b y
P u mp-down
re s id ua l
oper a tion
Re s t a rt s t a nd b y
(Compre ss or s top)
In the event indoor u nit s top s or the thermo s t a t
t u rn s OFF while in oil ret u rn oper a tion or
defro s ting oper a tion, p u mp-down re s id ua l
oper a tion i s performed on completion of the oil
ret u rn oper a tion or defro s ting oper a tion.