Heating Overload Protective Control; Heating Low Outdoor Temperature Protective Control - Mitsubishi Heavy Industries SCM50ZS-S1 Technical Manual

(5) Heating overload protective control

(a) Operating conditions
(b) Detail of operation
(i)
(ii)
(iii)
B, D or F.
(c) Reset conditions
Model SCM50
Upper limit A
Lower limit B
OFF
8
Model
Indoor unit : 3 units or more
SCM50
Indoor unit : 2 units or less
SCM60

(6) Heating low outdoor temperature protective control

(a) Operating conditions
(b) Detail of operation
ON3
-12 -10
Outdoor air temperature(°C)
(c) Reset conditions
(i)
(ii)
13
Tho-A
Tho-A
Upper limit C
Lower limit D
10 11 13 16
Outdoor air temperature
(°C)
Item
A
120
120
90
Tho-A
Model
ON2
ON1
-8 -6 4 6
Tho-A
-
A, C or E
B, D or F
B, D or F
when the thermostat OFF, the speed is
(model SCM60 : 11 )
8
Model SCM60
Upper limit E
Lower limit F
OFF
17 11
Outdoor air temperature
C D
B
30 90 35
40 90 40
30 75 40
4
Indoor unit : 1 unit
SCM50
Indoor unit : 2 units
―
SCM60
6
188
-
'18 • SCM-T-251
.
C
Upper limit
D
Lower limit
A
Upper limit
B
Lower limit
13 16 17
(°C)
Unit: rps
E F
75 40
75 40
ー ー
Unit: rps
Item
ON1 ON2 ON3
35 55 65
or more 35 55 65
―
35 40