3
Mortex Products, Inc. / FT. WORTH, TX 76106
G17 / G18 Installation Instructions
Printed 04/04
2
Mortex Products, Inc. / FT. WORTH, TX 76106
G17 / G18 Installation Instructions
Printed 04/04
INSTALLATION INSTRUCTIONS
SPECIFICATIONS
“B” Cabinet
“A” Cabinet
CAUTION
•
ELECTRIC POWER
- turn off all electrical power to
furnace before performing any maintenance or
service on unit. Failure to take this precaution may
result in personal injury due to electrical shock.
•
SERVICE
- a qualified service technician should
service this unit. Fuel burning appliances can
generate toxic flue products. Modification of the
appliance can cause carbon monoxide in deadly
amounts. To prevent a safety hazard, maintain this
appliance in a safe operating manner and do not
modify.
•
DO NOT
modify vent or operate the unit with a
blocked vent or inlet air pipe.
•
DO NOT
re-drill a burner orifice. If the orifice size
must be changed, use only a new orifice.
•
DO NOT
use matches, lighters, candles, or other
sources of open flame to check for gas leaks.
•
PROPER
maintenance for this unit requires certain
mechanical skills and tools. If you are at all
uncertain, contact your Heating Service Co. for
maintenance and service.
•
CONSULT
with a service technician for any
problems or questions you may have pertaining to
this appliance.
•
ALWAYS
inspect the appliance before starting a
new heating season, paying special attention to vent
pipes and fuel lines.
SAFETY CONSIDERATIONS
NOTE:
The words “Shall” or “Must” indicate a
requirement, which is essential to satisfactory and safe
furnace performance.
The words “Should or “May” indicate a recommendation
which may be helpful or enhance performance.
INSTALLATION STANDARDS
CODE COMPLIANCE
The installer shall become familiar with and follow all local
codes and regulations which govern the installation of this
furnace. Where applicable, local codes may take
precedence.
• Federal Manufactured Home Construction and Safety
Standards – HUD Title 24, Part 3280.
• National Fuel Gas Code – ANSI-Z223.1/NFPA-54
• Unit electrical wiring and grounding shall comply with
National Electrical Code – ANSI/NFPA-70.
• “Manufactured Housing” – NFPA-501 and “Fire Safety
Criteria for Mobile Home Installations – NFPA 501A.
• “Recreational Vehicles” – ANSI-119-2/NFPA-501C
HIGH ALTITUDE INSTALLATION
For elevation above 2,000 feet derate furnace input 4% for
each 1,000 feet of elevation above sea level. Furnace
deration is accomplished by reducing the burner orifice
size. See DERATING CHART for orifice size and
CONVERSION INSTRUCTIONS, Page16.
INSTALLATION CLEARANCES
These furnaces are design certified for the following
minimum clearances from combustible materials in alcove
or closet installations.
Locate furnace to ensure adequate room for service access
to all vent connections, controls and the heat exchanger. A
front clearance of 18” minimum (24” recommended) shall
be provided by a closet door or spacing away from a
facing wall or partition.
For installation on combustible flooring (except carpeting)
using manufacturers supplied floor base P/N 87FB0005
and duct connector Series P/N 86AA001-.
Top . . . . . . . . . . . . . . . . . . . . . . . . . . .6 in.
Sides . . . . . . . . . . . . . . . . . . . . . . . . . .0 in.*
Back . . . . . . . . . . . . . . . . . . . . . . . . . .0 in *
Alcove-front of furnace . . . . . . . . . . . . .18 in
Closet- front of furnace . . . . . . . . . . . . . .6 in**
Duct . . . . . . . . . . . . . . . . . . . . . . . . . . .0 in.
Vent/Roof Jack . . . . . . . . . . . . . . . . . . .0 in.
* If the return air opening is below the top of
the furnace, clearance to the side or rear shall
be 6”.
** See Return Air for clearances less than 6”.
PART NO.
DESCRIPTION
NOTES
90-RJF1729-AL
Body, Roof Jack, Gas-FLAT
Height 'A'- 73 in.- 85 in.
90-RJF2551-AL
Body, Roof Jack, Gas-FLAT
Height 'A'- 81 in. - 107 in.
90-RJS1729-AL
Body, Roof Jack, Gas-SLOPE 3/12
Height 'B'- 81 in. - 101 in.
90-RJS2551-AL
Body, Roof Jack, Gas-SLOPE 3/12
Height 'B'- 97 in. - 123 in.
90-RJS3868-AL
Body, Roof Jack, Gas-SLOPE 3/12
Height 'B'- 110 in. - 140 in.
90-RJS6399-AL
Body, Roof Jack, Gas-SLOPE 3/12
Height 'B'- 135 in.- 171 in.
90-RJCRWN-AL
Crown, Roof Jack, Gas
Use w/ Gas Roof Jack Body
90-TRM-RNG
Ceiling Trim Ring, Roof Jack
Trim out to inside RJ- pipe
90-RJTRC
Kit, Transit- Roof Jack--Cap & Labels
for transport-remove on site
90-OUTXT16-AL
Roof Jack Outdoor Extension-Gas 16"
Extend pipes/crown-16 in.
90-INSXT10-AL
Roof Jack Inside Extension-Gas 10"
Extend inside pipes-10 in.
90-RJS56
5-6/12 Slope, Roof Saddle Adapter
Add to RJS 3/12 Roof Jack
90-DCUO-OI
86AA0013 Duct Conn + 87FB0005 Flr Base Floor to Duct- 1 in.-4 in.
90-DCUO-O2
86AA0014 Duct Conn + 87FB0005 Flr Base Floor to Duct- 6 in.-8 in.*STD
90-DCUO-O3
86AA0015 Duct Conn + 87FB0005 Flr Base Floor to Duct- 8 in.-12 in.
90-CABEXT4
White, Top, Cabinet Extender Plate
Fill alcove 76" top opening
90-BLWRELAY
Blower Relay/Wiring Kit
Convert Furn for A/C
87-1008-3/12A1
A/C Blower, 3 Speed-1/3 HP
2-4 Ton A/C
87-1008-4/16A1
A/C Blower, 4 Speed-3/4 HP
2-5 Ton A/C
PRODUCT CODE
ACCESSORIES
G
1
8
D
075 B -
A
3/12
G=GAS
NOM CFM-HI SPEED, W/COIL
DASH
@ 0.3" W.C Ext SP (DUCT)
1=SERIES
10-1010, 12-1180, 16-1620
7=75, 8=80 AFUE
1,2,3,4- MOTOR SPEEDS
D=DNFLO, MANUFTR-MOD
A=A/C BLOWER & RELAY
H=HEAT or 3T BLW READY, NO RELAY
060,070,075,090 BTUH INPUT
A=56", B=72" TALL FURN CABINET
80 AFUE- AUTOMATIC HOT SURFACE IGNITION
Model No.
G18D060A-H2/10
G18D075A-H2/10
G18D090A-H2/10
G18D060B-A3/12
G18D075B-A3/12
G18D090B-A3/12
Input, BTUH
60,000
75,000
90,000
60,000
75,000
90,000
Output, BTUH
48,000
61,000
72,000
48,000
61,000
72,000
AFUE, %
80.0
81.0
80.0
80.0
81.0
80.0
With A-Coil Cabinet
NO
NO
NO
YES
YES
YES
Ignition Type
Auto-Elect
Auto-Elect
Auto-Elect
Auto-Elect
Auto-Elect
Auto-Elect
Air Temperature Rise, Range-F
40-70
45-75
50-80
40-70
45-75
50-80
Blower-Heat or Heat/Cool
Heat
Heat/Cool -4T
Designed Max Outlet Air Temp-F
165
Max. External SP (Duct), In. W.C.
0.30
Factory Equipped Fuel
Natural Gas
High Altitude
For elevations above 2,000 feet, reduce input 4% for each 1,000 ft. elevation above sea level
Furnace Flue Pipe
Must Use RJS or RJF Roof Jack
Gas Connection
1/2" NFPT
Electric Service
120VAC, 60Hz, 1 Ph
Fuse or Circuit Breaker
15 Amp
Thermostat Circuit
24VAC, 60Hz, 40VA
Filters
2-16"x20"x1"
75 AFUE- STANDING PILOT IGNITION
NOTE: Blower Drives- H2/10, A3/12 , A4/16 listed with all G17D-G18D furnace models.
Model No.
G17D060B-H2/10
G17D070B-H2/10
G17D090B-H2/10
G17D060B-A3/12
G17D070B-A3/12
G17D090B-A3/12
Input, BTUH
60,000
70,000
90,000
60,000
70,000
90,000
Output, BTUH
48,000
55,000
71,000
48,000
55,000
71,000
AFUE, %
76.0
75.0
76.0
76.0
75.0
76.0
With A-Coil Cabinet
YES
YES
YES
YES
YES
YES
Ignition Type
Pilot
Pilot
Pilot
Pilot
Pilot
Pilot
Air Temperature Rise, Range-F
45-75
45-75
50-80
45-75
45-75
50-80
Blower-Heat or Heat/Cool
Heat/3T Blower Ready, No AC Controls
Heat/Cool -4T
Designed Max Outlet Air Temp-F
165
Max. External SP (Duct), In. W.C.
0.30
Factory Equipped Fuel
Natural Gas
High Altitude
For elevations above 2,000 feet, reduce input 4% for each 1,000 ft. elevation above sea level
Furnace Flue Pipe
Must Use RJS or RJF Roof Jack
Gas Connection
1/2" NFPT
Electric Service
120VAC, 60Hz, 1 Ph
Fuse or Circuit Breaker
15 Amp
Thermostat Circuit
24VAC, 60Hz, 40VA
Filters
2-16"x20"x1"
