Miele T 9820 User manual

Installation instructions for the
T 9820 Gas Dryer
The T 9820 gas dryer is only
approved for use in the USA
and Canada. It is not approved
for use in Mexico.
To prevent accidents
and machine damage
read these instructions
before
installation or use. M.-Nr. 07 268 180
en - US, CA

2

3
,WARNING
For your safety the information in this manual
must be followed to minimize the risk of fire or
explosion or to prevent property damage,
personal injury or death.
–Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
–WHAT TO DO IF YOU SMELL GAS
ßDo not try to light any appliance.
ßDo not touch any electrical switch.
ßDo not use any phone in your building.
ßClear the room, building or area
of all occupants.
ßImmediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
ßIf you cannot reach your gas supplier,
call the fire department.
–Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
(In Massachusetts a licensed plumber / gas fitter.)

IMPORTANT SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Stand ............................................................7
Installation site. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Transporting the dryer to the installation site.............................11
Level the dryer ....................................................11
Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Gas connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Ducting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
How to calculate the effective duct length ..............................19
Exhaust connection with a flexible exhaust hose or rigid pipe ...............22
Direct wall connection ..............................................24
Caring for the environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Contents
4

Installation and connection
When using your gas appliance
follow basic safety precautions
including the following:
~It is essential to read all instructions
before installing the appliance.
~Installation, repair and maintenance
work should be performed by a
qualified installer, service agency or the
gas supplier. Work by unqualified
persons could be dangerous and could
void the warranty.
~In Massachusetts:
This dryer must be installed by a
licensed plumber or gas fitter.
~Before installation, disconnect the
tumble dryer from the electrical supply
by shutting off the power main,
unplugging the power cord or tripping
the circuit breaker. Do not restore
power until the installation is complete.
~GROUNDING INSTRUCTIONS
This appliance must be grounded. In
the event of malfunction or breakdown,
grounding will reduce the risk of
electric shock by providing a path of
least resistance for electric current. This
appliance is equipped with a cord
having an equipment grounding
conductor and a grounding plug. Only
place the plug in an appropriate outlet
that is properly installed and grounded
in accordance with all local codes and
ordinances.
~WARNING – Improper connection of
the equipment grounding conductor
can result in a risk of electric shock.
Check with a qualified electrician if you
are in doubt as to whether the
appliance is properly grounded.
~Do not modify the plug provided
with the appliance! If it will not fit the
outlet, have a proper outlet installed by
a qualified electrician.
~Do not use an extension cord to
connect this appliance to the power
supply. Extension cords do not
guarantee the required safety of the
appliance (e.g. danger of overheating).
~This dryer must be vented outdoors
to reduce the risk of fire. Be sure to
observe local building codes.
~Use flexible or rigid metal pipe for
venting. Non-metallic flexible hose
should not be used, it is a potential fire
hazard.
IMPORTANT SAFETY INSTRUCTIONS
5

~The dryer exhaust must not be
connected to a chimney, fireplace
ducting, a combustion appliance vent
flue, a wall, ceiling or concealed space
of a building.
~Do not install the machine in rooms
where temperatures below freezing
may occur.
~Proper installation is the
responsibility of the installer.
~Product failure due to improper
installation is not covered under the
Warranty.
~Gas dryers are not approved for
mobile home installation.
~If there is any doubt concerning
installation, contact Miele’s Technical
Service Department.
U1-800-999-1360
[email protected]
V1-800-565-6435
[email protected]
IMPORTANT SAFETY INSTRUCTIONS
6

Front view
aExhaust connection
bPower cord with plug
cControl panel
dDoor
eFour height adjustable screw feet
Stand
A dryer stand, with drawer, can be
purchased as an optional accessory.
Installation
7

Rear
aHandle for transportation (arrows)
bPower cord with plug
cSlot for module
dAir intake
eGas connection
fVent connection with restriction insert
,WARNING
Do not remove the restriction insert
in the vent opening. It may result in
poor drying results, damage to the
laundry and higher Carbon
monoxide emissions.
Installation
8

,WARNING:
Do not install the dryer:
- outdoors
- in an environment with dripping
water or weather
- near flammable materials
- in rooms which may contain gas
or other fuels
- in closets with solid doors
- with other fuel-burning
appliances in the same closet
- in a location where its door
could conflict with room doors.
- next to a refrigerator
- under a countertop
- on top of a washer.
,The National Fuel Gas Code
restricts installations of gas
appliances in garages. They must
be 18 inches off the ground and
protected by a barrier from
vehicles.
Installation site
9

Confined space installation
^When installed in any space with less
than 122 square feet, minimum
clearances around the dryer must be
adhered to for proper ventilation and
vents for make up air must be
installed.
^Do not install any other fuel-burning
appliance in the same space as the
dryer.
Confined door openings
Any doors limiting circulation must be
louvered or otherwise ventilated.
Aminimum of 200 square inches
(1,290 cm2) of opening is required. It
must be equally divided within 12"
(30.5 cm) from the top and bottom of
the door.
Minimum installation clearance
Sides: 0"(0cm)
Top: 12" (30.5 cm)
Rear: 0" (0 cm) (as close to wall as
gas connection and venting allows)
Front to door: 2" (5 cm)
Make sure the dryer door can open
completely once installed.
Exhaust duct clearance
to combustible material: 2" (5 cm)
Installation site
10

Transporting the dryer to the
installation site
The rear of the lid has a handle for
transportation.
^Use the front dryer feet and the rear
of the lid to move the dryer to the
installation site.
Level the dryer
The dryer must be level to ensure safe
and proper operation.
^Unscrew the four feet as necessary
by turning the foot, 1, and the locking
ring, 2, to the left.
^Once level, hold the foot, 1, still with
a wrench. At the same time, turn the
locking ring, 2, to the right using
another wrench.
,The dryer lid cannot be
removed.
Installation
11

,WARNING
Before installation, disconnect the
tumble dryer from the electrical
supply by shutting off the power
main or tripping the circuit breaker.
Be sure the dryer power cord is
unplugged from the wall.
Do not restore power until the
installation is complete.
Turn the dryer’s gas shutoff valve in
the supply line to the OFF position.
Disconnect and discard old flexible
gas connector and ducting material.
Installation
12

,GROUNDING INSTRUCTIONS
This appliance must be grounded.
In the event of malfunction or
breakdown, grounding will reduce
the risk of electric shock by
providing a path of least resistance.
This appliance is equipped with a
cord having an equipment
grounding conductor and a
grounding plug. The dryer, when
installed, must be electrically
grounded in accordance with local
codes, or in the absence of local
codes, with the National Electrical
Codes ANSI/NFPA 70, or the
Canadian Electrical Code, CSA
C22.1.
WARNING – Improper connection of
the equipment grounding conductor
can result in a risk of electric shock.
Check with a qualified electrician,
service representative or personnel
if you are in doubt as to whether the
appliance is properly grounded.
,WARNING – This dryer is
equipped with a three-prong
(grounding) plug for your protection
against shock hazard and should be
plugged directly into a properly
grounded three-prong receptacle.
Do not cut or remove the grounding
terminal from this plug.
Do not modify the plug! If it will not
fit the outlet, have a proper outlet
installed by a qualified electrician.
The dryer is supplied with a 5’ 7"
(1.7 m) 3x14 AWG cord and a
NEMA 5-15 P plug, ready for
connection to a 120 V, 60 Hz, 15 A AC
power supply.
^Plug the machine into a proper outlet.
If the plug does not fit, have a proper
outlet installed by a qualified
electrician.
Electrical connection
13

,WARNING
Installation and service must be
performed by a qualified installer,
service agency or gas supplier.
In Massachusetts a licensed
plumber / gas fitter is required.
This appliance must be installed
with its own shut off valve in the
same room. The valve must be
easily accessible to the consumer to
turn on or shut off the gas supply
after the appliance is installed.
During any pressure testing of the
gas system this appliance must be
disconnected from the gas supply
by closing its individual manual shut
off valve.
Any pipe connections must be made
using a thread sealant approved for
gas connections. Failure to correctly
install these items could lead to a
gas leak and subsequent explosion.
The gas installation must be made in
accordance with local codes or, in
the absence of local codes, with
-National Fuel Gas Code,
ANSI Z223.1/NFPA 54 for USA
or
-Natural Gas and Propane
Installation Code,
CSA B149.1 for Canada.
Gas type
The gas dryer is equipped for
connection to a NATURAL GAS
supply.
The maximum heat output is
19,500 BTU/H (5,7 kW).
Minimum gas supply pressure
to obtain the required gas input is:
0.15 psi (4" WC) for natural gas
0.29 psi (8" WC) for LP gas.
Maximum gas supply pressure
before the gas pressure regulator
0.37 psi (10" WC) for natural gas
0.46 psi (13" WC) for LP gas.
Gas connection
14

Gas supply
Installation material (hoses and
adapters) must be provided by the
installer.
Gas connection distances
This appliance must be installed with its
own shut off valve on the gas supply
line. The valve must be within 6 ft.
(1.8 m), and in the same room, of the
dryer.
An 1/8" NPT pressure tapping plug must
be installed immediately upstream of
the gas supply connection. This allows
the gas inlet pressure to be checked.
aFlare union adapter
b1/8" NPT pressure tapping plug
cGas shut-off valve
For convenience (if allowed by code),
an AGA or CGA approved flexible
stainless steel gas hose (accordion
type) may be used between the gas
source and the dryer. This will allow the
appliance to be moved from the
installation site for cleaning or
servicing. Make sure that nothing rubs
on the gas hose.
If there is any doubt concerning
installation, contact the Miele Technical
Service Department at the phone
number listed on the back of this
manual.
Gas connection
15

,To secure all connections use
appropriate Teflon tape or a thread
compound, suitable for gas
connections.
^At the end of the dryer's gas
connection hand screw on the
3/8" NPT elbow.
Using a wrench tighten the elbow
with a half turn.
,DO NOT OVERTIGHTEN.
^Install a 3/8" flare union adapter, a,to
the female elbow, b.
Hold the elbow with a wrench.
^Secure the flexible metal gas line
connector to the adapter.
Gas connection
16

^Using two wrenches tighten the
flexible gas line connection.
^Connect the flare union adapter, a,
to the pressure tapping plug, b,
originally installed on the gas shut off
valve, c.
^Using two wrenches tighten all
connections.
,DO NOT OVERTIGHTEN.
^Open the gas shut-off valve.
^After connecting the appliance
check all fittings for gas leaks e.g.
with soapy water or an equivalent.
,WARNING
NEVER USE AN OPEN FLAME TO
TEST FOR GAS LEAKS.
Gas connection
17

Exhaust ducting and
connections
A gap of 3/8" (10 mm) must be
provided between the machine and
the floor. This gap is necessary for
proper air flow and must not be
blocked by a toe-kick or thick piled
carpets.
Sufficient venting of the installation
site is essential for proper dryer
operation. Inadequate ventilation will
increase energy use and drying
times.
,WARNING
Danger of toxic fumes.
The exhaust gases from the dryer
must only be vented outside the
building.
DO NOT terminate the exhaust
ducts in a chimney, fireplace
ducting, a combustion appliance
vent flue, or enclosed,
unventilated area such as attics,
garages, crawlspaces, walls,
ceilings or concealed space of a
building.
To reduce the risk of fire, only use
metal ductwork.
Ducting
18

How to calculate the effective
duct length
The overall duct length will determine
the duct diameter.
^Measure the actual duct length
needed to go from the dryer’s
exhaust connection to the vent outlet:
1. Establish the number of elbows or
bends necessary, noting the type of
bend, angle and radius involved
(see Table).
2. Add the additional duct length (as
derived by using the values
specified in the table) to the actual
duct length to get the effective
length.
Note:
Maximum effective duct lengths:
4" (100 mm) diameter 66 ft (20 m)
5" (125 mm) diameter 131 ft (40 m)
6" (150 mm) diameter 328 ft (100 m)
Effective duct lengths over 66 ft (20 m)
require a larger duct diameter.
Longer ducts may lead to decreases in
dryer efficiency if the next larger duct
diameter is not followed.
Tips about the ductwork
–Check with your local building code
to determine the maximum allowable
duct length.
–Rigid metal or flexible aluminum
ducting is preferred. Flexible foil
ducting may move and bounce due
to the high airflow of the dryer. This
could lead to a thumping or grinding
noise.
–Non-metallic flexible hose should not
be used. It is a potential fire hazard.
–For best drying results avoid extra
long ducting with too many bends,
angles or tight corners.
– The shorter the exhaust ductwork,
the more efficient the dryer will be.
Expelled air is slowed down in the
ducts due to friction against the inner
walls. The shorter and smoother the
inner walls are, the less friction will
be created.
–An elbow or bend creates more
friction than a straight duct. An
additional duct length factor must be
added for each elbow or bend (see
Table). This factor expresses the
resistance of the bend in terms of a
straight length of duct.
The additional length factor is then
added to the existing duct to give the
effective duct length.
A larger duct diameter helps to
reduce friction. Therefore duct
diameter should be increased if
longer duct lengths are required.
Ducting
19

Additional duct lengths (4" (100 mm) rigid pipe only)
Type of bend Radius Additional duct length
inches cm ft cm
Flexible metal duct
–3’ 3" (1 m) straight
–45° angle
–90° angle
10"
10"
25
25
5’ 11"
4’ 11"
8’ 2"
180
150
250
Smooth metal duct
–3’ 3" (1 m) straight
–45° angle
– 90° angle
10"
10"
25
25
3’ 3"
1’ 11"
2’ 7"
100
60
80
Elbow 90° sharp
7’ 6" 230
Concertina bend
– 90° angle 8" 20 2’ 4" 70
Wall vent or window vent
–with louvers
–with flap
–with weather hood
12’ 5"
4’ 11"
19’ 8"
380
150
600
Ducting
20