Starting-Up - Fujitsu 112 Installation And Operating Manual

Heat pump split single service 3 phase
• Electrical checks
Outdoor unit (see chapiter "Electrical connections"
Main power supply 400v .
Protection by rated circuit breaker.
Cable cross-section.
Earth connection.
Hydraulic unit (see chapiter "Electrical connections on the hydraulic unit side"
Connection with outdoor unit (3 + Eath).
Sensors connection (positioning and connections).
3 way valve and circulators connections.
Power supply and protection of electric auxiliary.

7 2 2 Starting-up

• Switching On
(see chapiter "Star-up" page
Switching On
Initialisation for a few seconds.
Operation of the pumps.
Outdoor unit starts after 3 mins.
• Outdoor unit checks
Operation of fan(s), compressor.
Current measurement.
After a few minutes, measurement of air temp. delta.
Check condensation and evaporation pressure/temperature.
• Hydraulic unit checks
After 15 mins of operation.
Primary water temp. delta.
DHW priority (switching of selection valve).
Operation of heating, mixing valve, boiler backup, ...
Control settings.
• Room control
(see chapiter "Configuring the room thermostat"
Settings, manipulations, checks.
Setpoint display.
Explanations on use.
- 56 -
page 22)
28)
page 28)
OK
page 25) OK
OK
OK
OK
OK
Installation and operating manual "1364 - EN"
Non compliant Value
Non compliant
Non compliant
Non compliant Value
Non compliant Value
Non compliant