Summer / Winter Changeover Temperature Hc1 And Hc2 (Thg) - Siemens RVA63.280 Basic Documentation

Benefit
Description
Setting
Effect
Notes
Changeover
54/184
Siemens Building Technologies
Landis & Staefa Division
1.18 Summer / winter changeover temperature
HC1 and HC2 (THG)
• Fully automatic operation throughout the year.
• The heating will not be switched on when the outside temperature drops for short
periods of time.
• Additional savings function.
• Separate changeover of the heating circuits.
The summer / winter changeover temperature is the criterion for automatic summer /
winter changeover of the heating plant.
Setting range
8...30.0
By changing the setting, the respective periods of time will be shortened or extended.
Entry:
Increase: Winter operation will start earlier
Summer operation will start later
Decrease: Winter operation will start later
Summer operation will start earlier
The summer / winter changeover temperature can act either locally or on other devices
in the system (also refer to section "Effect of summer / winter changeover
temperature") Also refer to "effect of summer / winter changeover
function" in Index.
This function only acts in automatic mode
The display will show "ECO"
To determine changeover, the setting of the summer / winter changeover temperature
( ± a fixed switching differential) is compared with the attenuated outside temperature.
Also refer to "attenuated outside temperature" in Index.
Heating OFF (from winter to summer)
Heating ON (from summer to winter)
Basic Dokumentation RVA63.280, RVA53.280
Unit
°C
TAged > THG + 1°C
TAged < THG - 1°C
Factory setting
17
CE1P2374E
19.04.2001