Mitsubishi Heavy Industries FDT200VSAWPVH Service Manual page 33

(c) Fan speed control during heating operation
Fan speeds are selected depending on the outdoor heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note (1) It is detected by Tho-R1 or R2, whichever the lower.
 【 FDC200, 250 】
zone
zone Speed ➂
zone Speed ➂
zone Speed ➃
zone
12
zone
3 6
Outdoor air temperature (˚C)
※2 When using FDC250 : Speed
When using FDC200 and FDU indoor type : Speed
When not using FDC200 and FDU indoor type : As shown below
Speed
Speed
31 35
Compressor speed (rps)
 【 FDC280 】
zone
zone Speed ➂
zone Speed ➂
zone Speed ➃ Speed ➅(➄) Speed ➆(➅)
Note (1) Value in ( ) are for the pattern Ⅱ .
zone
12
zone
8 11
Outdoor air temperature (˚C)
pattern Ⅰ
pattern Ⅱ
45 55
Compressor speed (rps)
• Silent mode only
zone zone
Speed ➂ Speed ➃ zone
Speed ➃ Speed ➄ zone
Speed ➆ Speed ※➁
zone
Notes (1) Value in ( ) is for the model FDC200 only.
zone
15
zone
Outdoor heat exchanger temperature (˚C)
zone
zone zone
Speed ➂ Speed ➃(➂)
pattern Ⅱ
Speed ➃ Speed ➆(➃)
Compressor speed (rps)
zone
15
zone
-4(-6)
Outdoor heat exchanger temperature (˚C)
Note (2) Value in ( ) are for the pattern Ⅱ .
32
-
zone zone
Speed ➂ Speed ➂
Speed ➂ Speed ➂
Speed ➂(➃) Speed ➄
zone
zone
3
-1 1
zone
zone
12 15
8 11
Outdoor air temperature (˚C)
pattern Ⅰ
45 55
zone
zone
2(-2) 4(-1)
-2(-4)
-
'21 • PAC-SM-383
zone
Speed ➂
Speed ➃
Speed ➅
zone
zone
-4(-6) -2(-4)
Outdoor heat exchanger temperature (˚C
zone
2(-2) 4(-1)