81
A B
M
H
L
N
D
G
E
C
K
O
F
Fig. 65
A
Instantaneous heating water heater
B
Quick-action air vent valve G
⅜
C
Secondary circuit flow temperature sensor (F8)
D
Air vent valve, secondary circuit
E
3-way diverter valve "Central heating/DHW heat-
ing"
F
Safety valve
G
Flow switch
H
Secondary pump
K
DHW cylinder air vent valve
L
Secondary circuit drain and fill valve
Additionally, in conjunction with solar indirect coil
set: Cylinder temperature sensor
M
Drain and fill valve, DHW side
N
High limit safety cut-out (STB), instantaneous
heating water heater
O
Secondary circuit return temperature sensor (F9)
Maintenance
Overview of internal components: Indoor unit
5831412
Maintenance
Содержание Vitocal 222-A
Страница 80: ...80 Fig 64 Maintenance Indoor unit Placing the control unit panel in its service position 5831412 Maintenance...
Страница 92: ...92 Maintenance Checking the fuses cont 5831412 Maintenance...
Страница 102: ...102 0004 0005 0001 0002 0003 0006 0007 Fig 74 Indoor unit parts lists Miscellaneous 5831412 Components...
Страница 104: ...104 Indoor unit parts lists Miscellaneous cont 5831412 Components...
Страница 112: ...112 Outdoor unit parts list 230 V types 221 A04 to A08 Outdoor unit electrical equipment 230 V cont 5831412 Components...
Страница 120: ...120 Outdoor unit parts list 230 V types 221 A10 to A16 Outdoor unit electrical equipment 230 V cont 5831412 Components...
Страница 154: ...154 5831412...
Страница 155: ...155 5831412...