Checking Expansion Vessels And Primary Circuit/Secondary Circuit Pressure; Checking The Electrical Connections For Firm Seating; Commissioning The System; Checking The Electronic Flow Switch, Type Ifm - Viessmann Vitocal 300-G Pro SPS Installation And Service Instructions For Contractors

Checking expansion vessels and primary circuit/secondary circuit pressure

Observe engineering information.
Heat pump technical guide

Checking the electrical connections for firm seating

Commissioning the system

Commissioning is carried out in 3 stages:
1. Configuring the system
2. Configuring the operating mode
3. Adjusting operating parameters
The parameters and system controller configuration
must be matched individually as required (see follow-
ing chapters and service instructions "Heat pump con-
trol unit Vitotronic SPS, type 2.0").
Configuration procedure
"Vitotronic SPS, type 2.0" service instructions

Checking the electronic flow switch, type IFM

Fig. 40
Commissioning, inspection, maintenance
Note
The type and extent of parameters depend on the heat
pump type and the system configuration.
Observe the instructions in the separate service
instructions of the Vitotronic SPS type 2.0 heat pump
control unit, otherwise the appliance warranty will be
void.
Note
Commissioning must only be carried out by trained
and authorised contractors.
The flow switch monitors the minimum flow rate
required for operating the heat pump.
1. Check the tip of the sensor regularly for deposits.
2. Clean the tip of the sensor with a cloth if neces-
sary.
Remove stubborn deposits (such as limescale)
with commercially available vinegar-based clean-
ers.
3. Switch on the power supply.
LEDs "0" to "9" illuminate green in sequence and
then extinguish again.
The operating display then follows.
65