151
Fig. 99
A1 Process control unit PCB
F1 Fuse 3.15 A (slow), 250 V~
K... Relay
X... Electrical interfaces
sG
Low temperature process pump with PWM signal
sH
Primary pump with PWM signal
fÖ
Power supply via Vitotronic control unit
fS
Pressure switch and/or frost stat or jumper
aMÖ
Evaporator pump
aMS
High temperature process pump with PWM signal
Schemes
Process control unit connection scheme
5678 044 GB
Appendix
Summary of Contents for D2RA
Page 113: ...113 Maintenance Checking the Vitotronic 200 H accessories cont 5678 044 GB Maintenance ...
Page 133: ...133 Parts lists Sorption module hydraulics cont 5678 044 GB Components ...
Page 136: ...136 0001 0002 0003 0004 0005 Fig 83 Parts lists Miscellaneous 5678 044 GB Components ...
Page 163: ...163 5678 044 GB ...