Monitor GF3800 User manual

SAFETY ALERT SYMBOL
These symbolsappear as important safety precautions and should be understood
and followed bythe owner to assure safe operation ofthe heater.
For Quick Reference
Page
SECTION A: Important Caution 1
SECTION B: Specifications -.5
SpecialFeatures - 5
SafetyFeatures : 5
SECTION C: ToolsNeeded for HeaterInstallation 6
Accessories YouMay Need
;
• 7
Flue PipeExtensions 8
SECTION D: NoticeBefore Installation 9
HeaterInstallation : 10
Flue Pipe Clearances • 11
SECTION E:Gas Connection 16
SECTION F: Operating Instructions • 17
Starting'lnstructions 18
AdjustingRoomTemperature 18
Turning Offthe Heater 19
Relighting the Heater 19
Programming the Heater
:
19
Programming for Automatic Heater Operation • 20
ManualOperation 20
SECTION G: ProtectiveFeatures 21
Loss of Power-Automatic Reset, Child Lock 21
ElectricalFuse 21
Overheat Prevention 21
SECTION H: Maintenance and Check 22
SECTION I: Trouble Shooting Guide 23
SECTION J: Wiring Diagram- '••-••24-
Block Diagram -24
SECTION K: PartsList 26
COPYRIGHT © MONITORPRODUCTS,INC.,

SECTION A
WARNING
IMPROPERINSTALLATION, ADJUSTMENT, ALTERATION,SERVICE OR
MAINTENANCE CAN CAUSEPROPERTYDAMAGE,PERSONALINJURY OR LOSS OF
LIFE, REFER TO THE OWNER'SINFORMATIONMANUALPROVIDEDWITHTHIS
APPLICANCE.
INSTALLATION AND SERVICE MUST BE PERFORMED BYA QUALIFIED
INSTALLER, SERVICEAGENCY OR THEGAS SUPPLIER,
THISPRODUCTMUST BE INSTALLED BY A LICENSEDPLUMBER OR GAS FITTER
WHENINSTALLEDWITHIN THE COMMONWEALTH OF MASSACHUSETTS.
CAUTION
Makesurethatflue pipe (exhaust pipe, air supply hose) is
connected properly.
Keepheaterclean anddonot store any flammable items onor
near the heater.

Don't usethe heater for dryingclothes.
Shouldanythingabnormaloccur inthe heater,remain calm,
turn itoff(donot unplug) and contactyour Monitor dealer.
Risk of burns.
Flue pipe and louver may have high surface
temperature.
Do not placeyourself or others too close tothe heater.
Installation of heater in extreme humidity or dustareas isnot
recommended.
Any removal of unit parts or remodeling is strictly forbidden.
Do notsitonthe heater.
Placingornaments or plants onthe heater isnot recommended.
Excess heat may causedamage to ornament or plant and
overwatering or spilling of water may causeshock toyouor
damage to the heater.

Don'tsprayaerosols onthe heaterwhen in operation.
Don't allow children to insertarticles inthe louvers.
Keep flammable materials, trees,shrubsetc.awayfromflue pipe.
I//
Do not vent unit into otherrooms.Fluepipemust be outside.
k
Do not install nor exhaust the flue pipe into a crawlspace or underneathfloor nor into a flue or
chimney.
-Flue
or
Chimney

•In areas of heavysnowaccumulation, the flue pipe may need tobe installedhigher to avoidbeingburied.
In open areas with strong wind, a windbreak maybe necessary to avoidexhaustgasesbeingblown
back into the intake and causingpoorcombustion.
Must be higher.
Long
Extension
kit
1
eS
J
1)
(60cm) i
fr-
I
Exhaust pipemust be keptclear of flammablematerials.
This heater isnot designed tobe built in.

SECTION B
SPECIFICATIONS
Model No.
GF 3800
Type of Appliance
Fan type direct vent wall furnace
Input Rating
Nat. Gas 38,000 BTU/hour
LP.Gas 34,500BTU/hour
Output Rating
Nat. Gas 30,700BTU/hour
LP.Gas 27,900 BTU/hour
Efficiency 83%
Electrical Rating
120V, 60Hz, Less than 2 amperes
Power Consumption
80 Watts
Heated Air Delivery High 388 Cubic feet/minute
Low 300 Cubic feet/minute
Flue PipeHole 2.5 inchesdiameter
Dimensions
Height: 26.6inches(67.56cm)
Width:28.7inches(72.90cm)
Depth: 14.0 inches(35.50 cm)
Weight
82 pounds
Inlet Gas SupplyPressureNat.
Gas Max. 10.5 inch W.C.(267 mmHzO)
Min. 5.1 inchW.C.(130 mmHaO)
LP.Gas Max. 13.0 inchW.C.(330 mmHzO)
Min. 11.0 inchW.C.(279 mmH2O)
Manifold Test Pressure Nat. Gas3.4 inchW.C. (86 mmHzO)
LP.Gas 3.!5inchW.C. (80mmH2O)
The minimum and maximum inlet gas supply pressure areforthe purpose of input adjustment.
The efficiencyrating of thisappliance isa product of thermalefficiencyratingdeterminedunder
continuous operating conditions andwas determined independently ofany installed system.
SPECIAL FEATURES
AUTOMATIC IGNITION
MEMORY BACK UP:Set memory canbe kept in case of
powerfailure forup to30minutes.
DUALBLOWERS:Separatefans for combustion and
room air circulation.
THERMOSTATICALLY CONTROLLED:Adjusts tothe
desired roomtemperature.
BUILT-IN TIMER:Heater will automaticallyoperate as
programmed bythe user.
AUTOMATIC RESET AFTER POWER FAILURE:Heater
will automaticallyresumeoperation after power is
restored.
INDICATOR LIGHTS: Easy-to-see signalsshowwhen
heater isin operation,whentimer is activated, and
when the burner is operating.
CLEANOPERATION: Products of combustion are vented
outside.
CONSUMES NO ROOMAIR: Airfor combustion is drawn
from outside.
EASY INSTALLATION:Includes all partsrequired for
standard installation.
SAFETY FEATURES
SAFERE-LIGHTING:Heater will not restart until its
combustion chamber has cooled.
ELECTRICALPROTECTION:Heaterautomaticallyshuts
off inthe unlikelyevent ofa malfunction inthe electrical
circuitry or disruption ofthe power supply.
NO EXHAUST IN ROOM:Products of combustion are
dischargedoutdoors.
FLUEPIPE:Outside airis drawnthrough a pipe-within-
a-pipeventingsystem.Thisprocess preheats
combustion airand regains heat from exhaust gases.
/|\ CAUTION: ALTERNATEPOWERSOURCES
The Monitor GF3800 maynot operatewhenpowered
by sourcessuch asan auxiliarygenerator, UPS
(UninterruptedPowerSource),inverters,etc.
Check with your dealer for guidance on specific
applications.

SECTION C
Before installing your heater, be sure to check and comply with local and state building and electrical codes
that may apply to ventedheaters in yourarea. Permanent wiring must be installed bya licensed electrician.
TOOLS NEEDED FOR HEATER INSTALLATION
Check the followingcharts tobe sure you have allthe toolsrequired to installyourMonitor GF3800 Heating System.
STANDARDTOOLS
APPLICATION
PhillipsHeadScrewdriver
Installation of HeaterParts
Steel Tape Measure
Taking Measurements
Penor PencilMarking
Drilling Location
ExteriorCaulk
Caulking BetweenPacking and Wall
Yardstick or LongStraightEdgeCheckingAngle
of Hole for FluePipe
Soapy Water
Lubricating Sleeve Hardware '
SPECIAL TOOLS
APPLICATION
Electric Drill
AccommodatingHole Sawand Drill Bit
2 V? inchHole Saw AttachmentCuttingHole
for FluePipe
Long 'A inch Drill Bit
Drilling PilotHoleThroughWall
Level
Checking Angle of Hole for FluePipe andfor checking heater
level.
Fig. 1

ACCESSORIES YOUMAY NEED
Check the listbelow andsee your MPI dealer for accessories youmay need or want for installation of your heating-
system.
/!\ CAUTION: Only usethe flue pipe supplied with the Monitor GFSS^or the approved accessory kits available from
your Monitor or dealer.
ACCESSORY
APPLICATION
Medium Adjustable FluePipe KitP/N 8051
Long Adjustable FluePipe KitP/N 8052
For use where wall thickness isupto 121A inches(31.5cm)
For use wherewallthickness isupto20 inches C50.5cm)
Extra Short,Short,Medium or
LongExtension Kitor ElbowAdapter Kit
(See Flue Pipe Extensions, page 8)
Foruse where"standard"installation isnot practical

FLUEPIPEEXTENSIONS
Four standardextensionkits are availablefromyour
Monitordealer.Most installations canbe made with
one of these kits. In specialcases,custom installations
may be required.These maybe madewithcomponents
purchasedfromyourdealer.
Inany installation the followinglimitationsMUST NOT
BE EXCEEDED:
1. Trie total length ofthe intake or exhaustpipeshould
not exceed 10 feet (3.05m) with 3 elbows, 13 feet
(3.96m) with 2 elbows, or 16'/2 feet (5.3m) with 1 elbow.
2. Theseelbowsshould include theone used atthe
heater butnottheoneontheair supplyhose northe
integral bends inthe flue pipe. (SeeFigure 2)
3.The correctdamper as shown on Page 14 must be
used.
4. Followcarefully the instructionincludedwith each
kit.
Exhaust Elbow
90° Joint
Air SupplyHose
FluePipe
Do not count
Fig. 2