91
A
Pressure gauge
B
Pressure sensor (for condensate
pressure during heating mode or
evaporation pressure in cooling
mode)
C
Condenser (heating mode) / evapo-
rator (cooling mode)
D
Expansion vessel
E
Flow temperature sensor, secon-
dary circuit
F
Air vent valve, secondary circuit
G
Instantaneous heating water heater
(if installed)
H
Temperature sensor:
Liquid gas (heating mode) / hot gas
(cooling mode)
K
Flow temperature sensor, secon-
dary circuit
L
Return temperature sensor, secon-
dary circuit
M
3-way diverter valve, heating/DHW
N
Secondary pump
O
Fill valve, secondary circuit
P
Safety valve (3 bar)
Troubleshooting
Repairs
(cont.)
5724 152 GB
Service
Summary of Contents for AWS 104
Page 5: ...5 Certificates Declaration of conformity 119 Keyword index 120 Index Index cont 5724 152 GB...
Page 87: ...87 Opening programming unit 3 2 1 2x Troubleshooting Repairs cont 5724 152 GB Service...
Page 89: ...89 Removing separating plate 1 2 Troubleshooting Repairs cont 5724 152 GB Service...