Robur GAHP-W, Installation, Use And Maintenance Manual, Page: 55 / 68

End user
Ed. 2014-08
53
Parameter 160: 0
Parameter 161: 110°F
Parameter 162: 10°F
Inlet hot water temperature lower than 110°F: the unit is ON
Inlet hot water higher (or equal) than 110°F: the unit is OFF. The unit will re start when the
inlet hot water temperature is lower than 110°F - 10°F = 100°F
4.6 UNIT START UP
The unit start up must be performed only by an authorized Robur Service Company.
If the procedure is not performed by an authorized Robur Service Company, the
manufacturer will void the warranty.
Efficient operation and lifetime of the appliance depend on the installation and use.
DO NOT PROCEED WITH THE UNIT START UP IF:
- The installation has not been performed in accordance with the technical and
safety regulations in force in the local area and following the manufacturer
instructions.
- The water, gas and electrical connections have not been made correctly
- The appliance has not been installed indoors or the room is not compliant with
local regulations.
- It is not possible to safely access the unit according to the local and national
regulations.
- The gas used is different from the one the unit was originally set and the gas
nozzle has not been properly changed.
- The ammonia relief valve has not been ducted outside according to the
manufacturer guidelines (See chapter 2.9 on page 31).
- The flue gas pipe has not been installed in accordance with this manual..
- The appliance has been damaged during transportation or installation.
- There is a smell of gas.
- There is a smell of ammonia.
START UP PROCEDURE
•
Check that the appliance is fitted for the proper type of gas operation by checking the
rating plate. Robur GAHP-W and W LB are designed to operate with either natural gas
or LPG.
•
Check the static gas pressure in the pipeline.
o
Unscrew tap B (See Figure 29).
o
Connect the manometer to B.
o
Open the main gas supply valve. Check for gas leaks.
o
Read the static gas pressure. The correct values are:
- 7 in
WC
for natural gas (G20)
- 11 in
WC
for L.P. gas.
o
Close the gas valve.
o
Remove the manometer and refasten tap B.