Daikin R407C PLUS, Service Manual

Page: 83 / 267

Outline of Control (Outdoor Unit) < Symbols using in this manual > Si33-105
72 Function R407C PLUS Series Heat Recovery System
When low noise mode input (16 to 20 HP)
Note: GR/SH control: Imaginary refrigerant circulation amount/Super heat degree control
step
No.
Heat exchanger 1 Heat exchanger 2 Pressurizing
valve
Y5S
20S1 Heat
exchanger
mode
20E1 Aux.
condensor
Fan
(MF11+MF12)
20S2 Heat
exchanger
mode
20E2 Fan
(MF3+MF4)
b OFF cond 0pls OFF H+OFF OFF cond 2000pls ON+ON OFF
a OFF cond 0pls OFF L+OFF OFF cond 2000pls ON+ON OFF
0 ON evp 0pls ON H+OFF OFF cond 2000pls ON+ON OFF
1 ON evp 0pls OFF H+OFF OFF cond 2000pls ON+ON OFF
2 ON evp 0pls OFF H+OFF OFF cond 1000pls ON+ON OFF
3 ON evp 0pls OFF H+OFF OFF cond 700pls ON+ON ON
4 ON evp 0pls OFF H+OFF OFF cond
500pls(PI)
ON+ON ON
5 ON evp 0pls ON H+OFF OFF cond 2000pls ON+OFF OFF
6 ON evp 0pls ON H+OFF OFF cond 1000pls ON+OFF OFF
7 ON evp 0pls ON H+OFF OFF cond 700pls ON+OFF ON
8 ON evp 0pls ON H+OFF OFF cond
500pls(PI)
ON+OFF ON
9 ON evp 0pls OFF H+OFF OFF cond 2000pls ON+OFF OFF
10 ON evp 0pls OFF H+OFF OFF cond 1000pls ON+OFF OFF
11 ON evp 0pls OFF H+OFF OFF cond 700pls ON+OFF ON
12 ON evp 0pls OFF H+OFF OFF cond
500pls(PI)
ON+OFF ON
13 ON evp
GR/SH
control
OFF H+OFF OFF cond 2000pls ON+OFF OFF
14 ON evp
GR/SH
control
OFF H+OFF OFF cond 1000pls ON+OFF OFF
15 ON evp
GR/SH
control
OFF H+OFF OFF cond 700pls ON+OFF ON
16 ON evp
GR/SH
control
OFF H+OFF OFF cond
500pls(PI)
ON+OFF ON
23 ON evp
GR/SH
control
OFF H+OFF OFF cond 1000pls OFF+OFF OFF
24 ON evp
GR/SH
control
OFF H+OFF ON evp 0pls OFF+OFF OFF
25 ON evp
GR/SH
control
OFF H+OFF ON evp
SH
control
ON+OFF OFF
500pls(PI)
: Pc control