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38 ADVANCED CONTROLS ACCESS CONT'D
Press
Display
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IMAX XTRA -
Installation & Servicing
INSTALLATION
Description
Forced low time (x 9 seconds)
TIME - Temp. differential between flow temp &
set point at which slow start ends.
Slow start
TIME - Modulation rate in slow start X 400rpm/min
CH post pump time (minutes)
Note 0 = 10 seconds
Do not set below 05
DHW post pump time (x 10 seconds)
CH modulation hysteresis on (
CH modulation hysteresis off (
DHW modulation hysteresis on (
DHW modulation hysteresis off (
N/A
N/A
Blocking time CH (seconds)
Minimum off period between CH demands to reduce cycling
Blocking time DHW (seconds)
Minimum off period between DHW demands to reduce cycling
Blocking time DHW to CH (seconds)
0=switch with burner on
(x10.2 seconds)
DHW priority time over CH (secs)
0 = DHW always has priority
1-120 mins
The DHW has priority over CH until priority is switched back to CH.
RMCI address
Note -01=RMCI off
C)
o
C)
o
C)
o
C)
o
Lower
Upper
Factory
Limit
Limit
Setting
Do not
Do not
6
adjust
adjust
0
15
10
0
15
02
00
99
05
00
30
11
Do not
Do not 05
(Master)
adjust
adjust
02
(Slave)
Do not
Do not 05
(Master)
adjust
adjust
10
(Slave)
Do not
Do not 03
(Master)
adjust
adjust
02
(Slave)
Do not
Do not 03
(Master)
adjust
adjust
10
(Slave)
Do not
Do not
03
adjust
adjust
Do not
Do not
03
adjust
adjust
00
30
00
00
30
00
0
30
05
0
120
30
Do not
Do not
00
adjust
adjust
continued...........
35
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