Maytag MDG31 - Manual (Page 19)

113430 - 10 Telephone: (641) 787-7000 19
Piping/Connections
CE dryer connections will be B.S.P.T., all others will be N.P.T.
There should be a minimum 6-inch (15.24 cm) clearance
between the back guard and the first bend in the gas piping
for ease of servicing. It is recommended that a gas shutoff
valve be provided to the gas supply line of each dryer for ease
in servicing.
The size of the main gas supply line (header) will vary
depending on the distance this line travels from the gas meter
or, in the case of L.P. gas, the supply tank, other gas-operated
appliances on the same line, etc. Specific information
regarding supply line size should be determined by the gas
supplier.
Note
Undersized gas supply piping can create a low or
inconsistent pressure, which will result in erratic
operation of the burner ignition system.
TYPICAL NATURAL GAS INSTALLATION
!
Consistent gas pressure is essential at all gas connections.
It is recommended that a 3/4-inch (19.05 mm) pipe gas loop
be installed in the supply line servicing a bank of dryers. An
in-line pressure regulator must be installed in the gas supply
line (header) if the (natural) gas pressure exceeds 13.0 in wc
(32.34 mb) pressure.
A plugged tap, accessible for a pressure gauge connection,
must be installed in the main gas supply line immediately
upstream of the dryers.
!
!
MDG31 MDG51 MDG77
1/2” 1/2” 1/2”
Important
Pipe joint compounds that resist the action of
natural, L.P., and butane gases must be used.
Test all connections for leaks by brushing on a soapy water
solution (liquid detergent works well).
Warning
Never test for leaks with a flame!!!
Converting from One Family
of Gas to Another ______________________
Warning (CE Dryers)
This appliance must only be operated with the gas
type indicated on the dryer’s data plate. If the
appliance is converted (gas type changed), a data plate
amendment must be obtained from Maytag (dryer’s serial
number is required to purchase a conversion kit).
Important
Any burner changes or conversions must be
made by a qualified professional.
The dryers manufactured for Belgium, Luxemburg, Greece,
Estonia, Slovak Republic, Iceland, Malta, Poland and Cyprus
cannot be converted from one family of gas to another.
Conversion from Natural Gas
to Propane or Butane Gas
The following conversion allows the dryer to be operated with
either propane, butane, or LPG. The use of gas valve kit (P/N
140414) disables the internal regulator of the gas valve.
Therefore, the gas supply is ungoverned and an external
regulator must be provided at the source of the supply
(example L.P. tank) or the gas supply line to the dryer. The
type of L.P. kit supplied will depend on the country the dryer is
installed in.
Parts Required for Conversion:
Description P/N Qty
Unregulated Gas Conversion Kit** 140414 ***
OR
Regulated L.P. Gas Conversion Kit**** 140416 ***
Burner Orifice (Injector) * ***
L.P. Conversion Label 114515 1
* Refer to page 18 for orifice (injector) size.
** Required for unregulated propane or butane only.
*** MDG31 will require 1; MDG51 and MDG77 will require 2.
**** Required for regulated LPG or propane only.
Instructions
Disconnect electrical power to the dryer.
Close all shutoff valves in dryer’s gas supply line.
Important
The MDG51 and MDG77 will require that the
following procedures be performed on both
burner assemblies.
Open the panel located just below the loading door.
TYPICAL L.P. GAS INSTALLATION
!
!
!
1/2”