Func
tio
n
Defaul
t
val
ue
Max
Unit
Oper
a
tin
g
line
Oper
a
tin
g
level
Min
Diagnostics cascade
8100
throug
h
8130
I
Priority source 1…16
-
0
16
8101
throug
h
8131
I
State source 1...16
Missing ¦ Faulty ¦ Manual control active ¦ Heat generation
lock active ¦ Chimney sweep funct active ¦ Temporarily
unavailable ¦ Outside temp limit active ¦ Not released ¦
Released
Fehlt
8138 I
Cascade flow temp
-
0.0
140.0
°C
8139 I
Cascade flow temp setp
-
0.0
140.0
°C
8140 I
Cascade return temp
-
0.0
140.0
°C
8141 I
Cascade return temp setp
-
0.0
140.0
°C
8150 I
Source seq ch’over current
-
0
990
h
Diagnostics heat source
8400 I
Compressor 1
Off ¦ On
-
0
1
-
8401 I
Compressor 2
Off ¦ On
-
0
1
-
8402 I
El imm heater 1 flow
Off ¦ On
-
0
1
-
8403 I
El imm heater 2 flow
Off ¦ On
-
0
1
-
8404 I
Source pump
Off ¦ On
-
0
1
-
8405 I
Speed of source pump
Off ¦ On
-
0
100
%
8406 I
Condenser pump
Off ¦ On
-
0
1
-
8410 E
Return temp HP
-
0.0
140.0
°C
8411 E
Setpoint HP
-
0.0
140.0
°C
8412 E
Flow temp HP
-
0.0
140.0
°C
8415 I
Hot-gas temp 1
-
0.0
180.0
°C
8416 F
Hot-gas temp max
-
0.0
180.0
°C
8417 I
Hot-gas temp 2
-
0.0
180.0
°C
8420 I
Refrigerant temperature liquid
-
0.0
140.0
°C
8425 I
Temp diff condenser
-
-50.0
140.0
°C
8426 I
Temp diff evaporator
-
-50.0
140.0
°C
8427 E
Source inlet temp
-
-50.0
50.0
°C
8428 I
Source inlet temp min
-
-50.0
50.0
°C
8429 E
Source outlet temp
-
-50.0
50.0
°C
8430 I
Source outlet temp min
-
-50.0
50.0
°C
8440 I
Remain stage 1 off time min
---
(0) 1
255
min
8441 I
Remain stage 2 off time min
---
(0) 1
255
min
8442 I
Remain stage 1 on time min
---
(0) 1
255
min
8443 I
Remain stage 2 on time min
---
(0) 1
255
min
8444 I
Remain limit source temp min
---
(0) 1
65535
min
8446 I
Compressor sequence
1-2 ¦ 2-1
---
0
1
-
8450 F
Hours run compressor 1
0
0
199'999
h
6)
6)
6)
6)
6)
73/258
Siemens Switzerland Ltd
User manual RVS61.843, RVS41.813
CE1U2355en_02
HVAC Products
5 Handling
28. September 2009