142
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Coding Level 1
Coding in the factory set condition
Possible change
“For solar DHW heating: DHW temperature target”
67:40
DHW setpoint temperature 104°F (40°C).
Reheating is suppressed above the selected
set temperature (DHW heating blocked by
the boiler).
67:0
to
67:95
Adjustable from 32°F to 203°F (0°C to 95°C)
(limited by boiler-specific coding).
“DHW recirculation pump”
73:0
ON according to time program
73:1
to
73:6
“ON” from once per hour for 5 min up to 6 times
per hour for 5 min during the time program.
73:7
Permanently ON
“DHW” Group
(continued)
Coding
Coding in the factory set condition
Possible change
“Solar circuit pump speed control”
02:0
Solar circuit pump is not speed controlled.
02:1
Variable speed solar circuit pump with wave
packet control.
02:2
Solar circuit pump speed controlled with PWM
control.
“Maximum storage tank temperature”
08:60
DHW setpoint temperature (maximum tank
temperature) 140°F (60°C).
08:10
to
08:90
Adjustable from 50°F to 194°F
(10°C to 90°C).
“Stagnation time reduction”
0a:5
Temperature differential for stagnation time
reduction (reduction in the speed of the solar
circuit pump to protect system components
and heat transfer medium) 11°F (5 K).
0a:0
Stagnation time reduction disabled.
0a:1
to
0a:40
Temperature differential adjustable from
2°F to 72°F (1 K to 40 K).
“Solar circuit flow rate”
0f:70
Solar circuit flow rate at maximum pump
speed 1.8 USG/min (7 L/min).
0f:1
to
0f:255
Adjustable from 0.02 USG/min to 6.7 USG/min
(0.1 L/min to 25.5 L/min),
1 step 0.02 USG/min (0.1 L/min).
“Solar” Group
Note:
The “Solar” group is only displayed if a solar control module, type SM1, is connected.
