Checking The Connection Pressure - Henny Penny FlexFusion FPG-221 Service Instructions Manual

Gas technology

12.4 Checking the connection pressure

Preparations
Prerequisite Gas connection line connected.
Measuring the gas pressure
Gas type
USA:
Natural gas A
LP Gas B/P gas E
74
a
b
a Connection pressure measuring
nozzle "IN
Measuring accuracy of the pressure measuring device at least
0.1 mbar.
Close the gas shut-off valve on the unit.
Unscrew the sealing plug from the connection pressure measuring
point.
Connect the pressure measuring device.
Restore the on-site gas supply.
Switch on unit and operate at maximum capacity.
Measure the connection pressure.
Flow pressure (inch WC (mbar))
8 (20)
12 (30)
Connection pressure (static pressure) and flow pressure (dynamic
pressure) must be within the specifications.
The flow pressure is to be measured at maximum heating power. If
there are other gas appliances on the on-site supply line (e.g. another
combi steamer), these must be operated in parallel at maximum
power.
Service-instructions
b Pressure measuring device
Flow pressure range (inch WC
(mbar))
6.8 – 10 (17 — 25)
10 – 14 (25-35)