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Glass Cleaning
It will be necessary to clean the glass periodically. During start-up,
condensation, which is normal, forms on the inside of the glass
and causes dust, lint etc. to cling to the glass surface. Also, initial
paint curing can deposit a slight film on the glass. It is therefore
recommended that initially the glass be cleaned two or three times
with non-abrasive common household glass cleansers and warm
water. After that, the glass should be cleaned two or three times a
season depending on the circumstances.
Warning and Cautions.
• Do not clean when the glass is hot.
• Do not use abrasive cleaners.
• Using a substitute glass will void all product
warranties.
• Do not strike or abuse glass. Care must be
taken to avoid breakage of the glass.
• Do not operate this fireplace without the glass
front or with a broken glass.
This gas appliance should be installed by a qualified installer in accordance
with local building codes and with current CAN/CGA - B149.1 or .2 installa-
tion codes for Gas Burning appliances and equipment in Canada and the
National Fuel Gas Code ANSI Z223 in the U.S.A.
1. The gas pipeline can be brought in through either the right or the left side
of the appliance. A knockout is provided at either location to allow for the
gas pipe installation and testing of any gas connection.
2. The gas control inlet is 3/8" NPT. Typical installation layout for rigid pipe is
shown at right.
3. When using copper or flex connector, use only approved fittings.
Always provide a union so that gas line can be easily disconnected for
burner or fan servicing. See gas specification for pressure details and rat-
ings.
4. When a vertical section of gas pipe is required for the installation, a con-
densation trap is needed. See CAN/CGA-B149.1 or .2 for code details.
5. For natural gas, a minimum of 3/8" iron pipe with gas minimum pressure
of 4.5" w.c. must be used for supply from the gas meter. Consult with the
local gas utility if any questions arise concerning pipe sizes.
6. A 1/8" NPT plugged tappings are accessible for
test gauge connection both on the inlet and out-
let of the gas valve.
7. Turn the gas supply ON and check for leaks. DO
NOT USE OPEN FLAME FOR THIS PURPOSE.
Use an approved leak testing solution.
8. The appliance and its individual shutoff valve
must be disconnected from the gas supply piping
system during any pressure testing of that sys-
tem at test pressures in excess of 1/2 PSIG (3.5
KPa).
9. The appliance must be isolated from the gas
supply piping system by closing its individual
shutoff valve during any pressure testing of the
gas supply piping system at test pressures equal
to or less than 1/2 PSIG (3.5 KPa).
General Glass Information
Glass Replacement
The glass should be replaced by a qualified person.
REPLACEMENT GLASS FOR BOTH DIRECT VENT UNITS
These models can use either tempered glass or Robax ceramic
or coated Neaoceram glass. Must be 5mm thick.
To replace glass, clean all materials from door frame. Scrape off
old silicone down to metal. Using a high heat silicone (tempera-
ture-resistant to 500°F (260°C) apply a continuous bead of
approximately 1/32" to all four sides of frame and insert glass
with new gasket. Frame should be on flat surface, with a small
amount of weight pressing glass into silicone. Let dry approxi-
mately 15 to 20 minutes. The door can be re-installed by revers-
ing Steps 1 & 2. Use caution when removing broken glass, wear
gloves.
Removal of the Glass Door
1. Unlatch the two latches located behind the upper grill.
2. To remove, pull frame forward and lift from bottom door retainer.
Gas Line Installation
Note: The gas line connection may be made of 1/2" rigid pipe or an
approved flex connector. Since some municipalities have additional
local codes, it is always best to consult your local authorities and the
current CAN/CGA - B149.1 or .2 installation code in Canada or the
National Fuel Gas code ANSI Z223.1 in the U.S.A.
Gas Specifications
Models
MQZDV3318N
Fuel
Natural
Gas Control
Millivolt adjustable
Input
Maximum
19,000 BTU
Low
12,100 BTU Low
Orifice Size
#45
(0 - 4500 ft)
Air Shutter
3/16" Open
Gas Inlet Size S.I.T. 820 Nova, 3/8" NPT
Gas Supply Pressure
Natural Gas
Liquid Propane
Manifold Pressure
Manifold Pressure High
Manifold Pressure Low
For the state of Massachusetts a T-handle gas shut-off valve must be used on a gas
appliance. This T-handle gas shut-off valve must be listed and approved by the state of
Massachusetts.This is in reference to the state of Massachusetts state code CMR238.
Important: Always check for gas leaks with a soap and
water solution. Do not use open flame for leak testing.
MQZDV3318LP
MQZDV3622N
Propane
Natural
Millivolt adjustable
Millivolt adjustable
18,000 BTU
21,000 BTU
11,900 BTU
14,200 BTU
#55
#43
9/32" Open
3/16" Open
Minimum
Normal
5.5"
7"
11"
11"
Natural Gas
3.5 IN. W.C./.87 KPa
1.6 IN. W.C./.40 KPa
MQZDV3622LP
Propane
Millivolt adjustable
21,000 BTU
16,200 BTU
#54
3/8" Open
Maximum
9"
12"
Liquid Propane
10 IN. W.C./2.61 KPa
6.3 IN. W.C./1.57 KPa
21
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