Viessmann BW 301.B06, Installation And Service Instructions Manual

Page: 65 / 132

65
Parameters for heat pump cascade
Parameter Setting
Lead heat pump Lag heat pump
"Compressor"
Ó
"Enable use of compressor stage 5012" "0" to "15"
—
"System definition"
Ó
"System scheme 7000" "0" to "10" "11"
"Cascade control 700A" "2" "0"
"Use of heat pump in cascade 700C"
—
"0" to "15"
"Number of lag heat pumps 7029" "1" to "4"
—
"Internal hydraulics"
Ó
"Enable 3-way diverter valve heating/DHW 730D" "0" or "1" "0" or "1"
"Communication"
Ó
"Enable LON communication module 7710" "1" "1"
"Number of heat pump in cascade 7707"
—
"1" to "4"
"LON system number 7798" "1" to "5" "1" to "5"
"LON subscriber number 7777"
Each number can only be allocated once.
"1" to "99" "1" to "99"
"LON fault manager 7779"
Only one control unit
per system may be configured as the fault
manager.
"0" or "1" "0" or "1"
"Source time 77FE" "0" "1"
"Send time 77FF" "1" "0"
"Source outside temperature 77FC" "0" "1"
"Send outside temperature 77FD" "1" "0"
"Interval for data transfer via LON 779C" "20" "20"
"Buffer cylinder"
Ó
"Enable buffer cylinder/low loss header 7200" "1"
—
"Electric heater"
Ó
"Enable instantaneous heating water heater 7900" "0" or "1" "0" or "1"
"Enable electric heaters for DHW heating 6015" "0" or "1"
—
"Enable electric heaters for DHW heating 7901"
—
"0" or "1"
"Enable instant. heating water heater for central heating
7902" "0" or "1" "0" or "1"
Closing the heat pump
See page 51.
Checking the heat pump for noise
Checking the appliance for unusual noises, e.g. oper-
ating noise of compressor and pumps. Venting again if
required.
Commissioning, inspection, maintenance
Commissioning the system
(cont.)
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