SiUS281811EA Outline of Control (Indoor Unit)
Part 4 Functions and Control 139
&
&
OR
Condition A
• Heater ON permission (Defrost/oil return): 1 (∗4)
&
Condition B
Condition C
• No fan motor system error
• High pressure condition: ON (∗1)
• Liquid pipe temperature condition: ON (∗2)
• Heater ON permission (Defrost/oil Return): 0 (∗4)
• Not during defrost/oil return
• No fan motor system error
•
During defrost/oil return
• Heater ON permission (Defrost/oil return): 1 (∗4)
OR
• Not during defrost/oil return
• Fan motor system error
• Heater ON permission (Defrost/oil return): 0 (∗4)
∗1: High pressure condition
∗2: Liquid pipe temperature condition
∗3: Auxiliary heater enabled
∗4: Heater ON permission (Defrost/oil return)
∗5: Field setting 11 (21)-5. Refer to page 157.
∗6: Refer to page 157.
ON
OFF
49
120.2
54
129.2
Tc
(˚C)
(˚F)
ON
OFF
46
114.8
49
120.2
TH2
(˚C)
(˚F)
1:
&
• Electric heater setting (Field setting 11 (21)-3): 2, 4, 6, 8, 10, 12 (∗6)
• Electric heater capacity setting ≠ 01
0: Other than the above
1: Electric heater setting (Field setting 11 (21)-3): 8, 10, 12 (∗6)
0: Electric heater setting (Field setting 11 (21)-3): 2, 4, 6 (∗6)