Commissioning The Air Heater - Winterwarm Qwikshift QSG Installation Manual

air heater.
CAUTION! Never carelessly turn the adjuster screws.
NOTICE Adjusting the control without a supporting flue
gas analysis voids the warranty.
Only adjust the CO value if the CO
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than 0,3% from its setting.

7.2. Commissioning the air heater

Once the unit is installed according to this manual, the unit
can be commissioned. To do so, follow these instructions:
1. Make sure the gas supply pipe is clean, gas tight
and free from air.
2. Switch on the electric supply with the maintenance
switch.
You are now able to observe the first start-up and become
familiar with the functioning of the heater.
NOTICE If the gas line is not purged correctly, the heater
will attempt to start twice before going into a lock-out
condition. In this case, manual reset is necessary.
1. Instruct the end user of the about a safe use of the
air heater:
– The presence of gas
– The location of the manual gas valve
2. Instruct the end user about the operation of the
heater:
– Lock-out indication
– Reset
3. Instruct end user about the necessary
maintenance.
4. Leave this manual with the end user.
7.2.1. First use – thermostat
To commission the air heater via the Smart Controller or
the Building Management System, do the following:
• Create a heat-request. The hybrid air heater will
activate the heat pump first. After the heat pump
has started, the water will start to circulate and the
fan of the hybrid heater will start.
• When the heat request remains active, and the
difference between the set temperature and the
actual temperature is large enough, the gas booster
will start after a while too. The air heater will burn
for the minimal firing time (see §5.1. for more
information).The air heater will burn for the minimal
firing time (see §6.2. for more information).
INSTALLATION MANUAL AIR HEATER TYPE QSG
reading differs more
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7.2.2. First use gas booster - display
To commission the gas booster via the display's manual
test mode, do the following:
NOTICE The display's manual test mode will only work for
maximum 10 minutes.
1. Press and hold the Return and (–) button for a
few seconds (figure 21). The display will alternate
between Lo and St. This means the heater will start
up in Low fire.
2. Press the (+) and (–) buttons to toggle between
Low and High fire (figure 21).
3. Press the (–) button until 0 is displayed to exit the
service. The air heater will always cool down the
heat exchanger for several minutes.
The test mode will automatically end after 10 minutes.
Figure 21 - Using the display
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