Refrigerant Circuit Controller - Viessmann VITOTRONIC 200 Service Instructions Manual

Appliance types
(cont.)
Overview of system components and functions for air/water heat pumps with indoor and outdoor units,
monoblock version
System com- Page
ponent/func-
tion
Heating/cool- 48
ing circuits
Instantaneous 39
heating water
heater
External heat 38
generator
Heating water 43
buffer cylinder
Heating water/ 43
coolant buffer
cylinder
Central heat- 48
ing
Central cool- 55
ing
DHW heating 40
Heat pump 29
cascade
Swimming 56
pool heating
Mechanical 57
ventilation
Photovoltaics 69
Smart Grid 35

Refrigerant circuit controller

Depending on the heat pump type, different refrigerant
circuit controllers are installed: Refrigerant circuit con-
troller [2] to [7-1].
Content in these service instructions relating only to a
certain type of refrigerant circuit controller is identified
with the relevant symbol, e.g. [7].
!
Please note
Service steps that are unsuitable for the fitted
refrigerant circuit controller can result in material
losses.
Prior to commencing work, call up the integral
refrigerant circuit controller at the heat pump
control unit.
Indoor unit as wall mounted appliance Indoor unit as compact appliance
Vitocal 200-A
In conjunction with buffer cylinder:
A1/HC1
■
M2/HC2: Mixer motor directly control-
■
led
M3/HC3: Mixer motor controlled via
■
KM-BUS
Depending on type, factory-fitted
X
X
X
X
Depending on type
Separate DHW cylinder
X
X
X
X
X
Vitocal 222-A
In conjunction with buffer cylinder:
A1/HC1
■
M2/HC2: Mixer motor directly controlled
■
M3/HC3: Mixer motor controlled via KM-
■
BUS
In conjunction with installation kit with
mixer, without buffer cylinder:
A1/HC1
■
M2/HC2: Mixer motor directly controlled
■
Factory-fitted
Only without installation kit with mixer
Only without installation kit with mixer
Depending on type
DHW cylinder integrated
1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Diagnosis"
3. "System information"
For an explanation of the indicated system infor-
mation, see chapter "System information".
Introduction
—
X
X
X
—
X
X
X
X
23