28
xtra
-
Installation & Servicing
INSTALLATION
DHW priority time over CH (secs)
0
120
30
0 = DHW always has priority
1-120 mins
The DHW has priority over CH until priority is switched back to CH.
Press
Display
Factory
Setting
Upper
Limit
Lower
Limit
Description
Forced low time
(x 9 seconds)
Do not
Do not
6
adjust
adjust
30
P30
Slow start
31
P31
CH post pump time
(minutes)
00
99
05
Note 0 = 10 seconds
Do not set below 05
. 0 5
32
P32
DHW post pump time
(x 10 seconds)
00
30
11
. 0 3
33
P33
CH modulation hysteresis on (
o
C)
00
20
05
. 0 5
34
P34
CH modulation hysteresis off (
o
C)
00
10
05
. 0 5
35
P35
DHW modulation hysteresis on (
o
C)
-03
30
03
. 0 5
36
P36
DHW modulation hysteresis off (
o
C)
-03
30
03
. 0 5
37
P37
. 0 3
. 0 3
. 0 0
. 0 0
Blocking time DHW to CH
(seconds)
0
30
05
0=switch with burner on
(x10.2 seconds)
. 0 0
. 2 5
38
39
40
41
42
43
P38
DHW detection hysteresis on (
o
C)
-05
30
03
DHW detection hysteresis off (
o
C)
-20
30
03
Blocking time CH
(seconds)
00
30
00
Minimum off period between CH demands to reduce cycling
Blocking time DHW
(seconds)
00
30
00
Minimum off period between DHW demands to reduce cycling
P39
P40
P41
P42
P43
continued...........
31 ADVANCED CONTROLS ACCESS CONT'D
TIME - Temp. differential between flow temp &
set point at which slow start ends.
0
15
10
TIME - Modulation rate in slow start X 400rpm/min
0
15
02
. 0 0
RMCI address
00
08
00
Note -01=RMCI off
44
P44
INST
ALLA
TION
Содержание F80
Страница 47: ...47 xtra Installation Servicing NOTES...