Installation Checks; Preparation For First Commissioning - Olimpia splendid SHERPA TOWER S2 E 4 Instrucciones Para La Instalación, Uso Y Mantenimiento

Ref. Description
J10 Main flow switch input
K1 Safety device for electric heater EH1
K2 Main relay for electric heater EH1
K3 Safety device for electric heater EH2
K4 Main relay for electric heater EH1
K5 Output (3A 250Vac) for domestic hot water accumulation electric heater relay**
P1 Main pump
P2 Domestic hot water pump
PWM Main pump speed signal output
Q P G External unit communication port
T1 Main exchanger inlet water temperature probe
T2 Main exchanger outlet water temperature probe
T8 Solar thermal system water temperature probe
TA Thermostat remote control input (use free contact, close on L to activate)
TS1 Electric heater EH1 safety thermostat
TS2 Electric heater EH2 safety thermostat
USB1 Power board software update USB input
USB2 Display board software update USB input
X1 Terminal for field lines connections
X2 Terminal for power supply connection*
X3 Terminal for auxiliary electric heaters power supply connection*
* Add an interruption circuit compliant with the local laws
** Output K5 cannot be connected directly to the heater, add an external relay with appropriate
electrical specifications.
The function Smart Grid is not available at the moment.

4 - INSTALLATION CHECKS

4.1 - Preparation for first commissioning
The first commissioning of the air-water heat pump must be carried out by qualified technical
personnel.
Before commissioning the air-water heat pumps, make sure that:
• All the safety conditions have been met.
• The air-water heat pump has been opportunely secured to the bearing plane.
• The area of respect has been observed.
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