14
07.16 207674 Rev100
ELECTRICAL CONNECTION DIAGRAM, 12 POLE TERMINAL BOARD:
Key:
LC
= microprocessor controller
TK1−TK2−TK3
= fan control triac max. 1A 230Vac
TK4−TK5−TK6
= solenoid valve + heater control triac max. 0.1A 230Vac VF = floating valve
VF
= floating valve
VC
= cooling valve
VH
= heating valve
(heating and cooling for 2 pipe system)
R
= auxiliary output / heater
M
= fan 230Vac
SA
= external air probe
SM
= water output probe
TM
= minimum temperature
DM
= brushless fan modulating output 0/10V
Com