109
Function
Code
Operat-
ing level
Setting options
Delivered
condition
"Relay output QX4"
5894
"F2"
■
"None"
■
"Alarm output
K10"
(see
page 55)
■
"Circulating
pump Q4"
■
"Heat request
K27"
(see
page 155)
■
"DHW ctrl el-
em Q3"
■
"Suppl source
control K32"
(see page 155)
"None"
"Sensor input BX6"
5935
"F2"
■
"Common
flow sensor
B10"
■
"Buffer sensor
B42"
"Buffer sen-
sor B42"
"Function input EX1"
(power demand function
see page 154)
5980
"F2"
■
"None"
■
"Ext heat dem,
rel Eng Bu"
■
"Auxiliary
burner lock"
"None"
"Cont type input EX1"
■ NC: Contact closed,
must be opened to acti-
vate
■ NO: Contact open, must
be closed to activate
5981
"F2"
■
"NC"
■
"NO"
"NO"
"Function input EX2"
(power demand function
see page 154)
5982
"F2"
■
"None"
■
"Ext heat dem,
rel Eng Bu"
■
"Auxiliary
burner lock"
"None"
Codes
Changing codes
(cont.)
5618 294 GB
Service
Summary of Contents for C3HA
Page 39: ...39 2 2x 1 Installation sequence Removing the front panel 5618 294 GB Installation ...
Page 42: ...42 1 2 Installation sequence Removing the transport brackets 5618 294 GB ...
Page 151: ...151 Checking and replacing resistors B C A Troubleshooting Repairs cont 5618 294 GB Service ...
Page 181: ...181 Parts lists Control unit assembly cont 5618 294 GB Service ...
Page 183: ...183 Parts lists Miscellaneous assembly cont 5618 294 GB Service ...
Page 191: ...191 5618 294 GB ...