176
Function
Explanation
Connection
Secondary pump
■ In systems without heating water buf-
fer cylinder, the secondary pump is
sufficient (see terminals 2X7.9 on
page 174)
■ Pmax.=130 W
■ Observe the information regarding
the total current drawn (from the
table)!
2X8.7
Instantaneous heating
water heater (stage 1)
■ Instantaneous heating water heater
control signal, stage 1
■ Install control module (accessory)
■ P=10 W
2X8.8
Control of the mixer motor,
heating circuit M2, signal
OPEN
■ 230 V
2X8.9
Control of the mixer motor,
heating circuit M2, signal
CLOSE
■ 230 V
2X8.10
Circulation pump, heating
circuit with mixer M2
■ Pmax.=100 W
■ Observe the information regarding
the total current drawn (from the
table)!
2X8.11
Cylinder primary pump,
two-way shut-off valve
■ In systems with cylinder primary sys-
tem: Install pump between the DHW
cylinder and the additional heat
exchanger.
■ Control two-way shut-off valve in par-
allel
■ Pmax.=130 W
■ Observe the information regarding
the total current drawn (from the
table)!
2X8.12
Control of electric immer-
sion heater EHE for DHW
cylinder
or
Circulation pump, cylinder
reheating through an exter-
nal heat source (for DHW
heating)
■ This connection can be used to con-
trol an electric immersion heater EHE,
if the external heat source is not used
for DHW heating.
2X8.13
Connection and wiring diagrams
PCB 2: Function components 230 V
(cont.)
5368 522 UAE
Содержание Vitocal 300-G BW
Страница 57: ...57 6 1 2 4 3 5 A 5x Installation sequence Opening the heat pump 5368 522 UAE Installation...
Страница 188: ...188 VITOCAL 300 205 025 011 203 202 200 206 207 204 201 010 025 A 026 Parts lists Parts lists type BWC cont 5368 522 UAE...
Страница 194: ...194 VITOCAL 300 205 203 202 200 206 207 204 201 010 026 025 A 025 Parts lists Parts lists type BW cont 5368 522 UAE...
Страница 213: ...213 5368 522 UAE...
Страница 214: ...214 5368 522 UAE...
Страница 215: ...215 5368 522 UAE...