ICP F8MTL Installation Insrtuctions
ICP F8MTL Installation Insrtuctions

ICP F8MTL Installation Insrtuctions

Category i gas furnace

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These instructions must be read and understood completely before attempting installation.
Safety Labeling and Signal Words
DANGER,
WARNING,
CAUTION,
and NOTE
The signal words DANGER, WARNING, CAUTION, and NOTE
are used to identify levels of hazard seriousness. The signal word
DANGER is only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION, and NOTE will
be used on product labels and throughout this manual and other
manual that may apply to the product.
DANGER - Immediate hazards which will result in severe person-
al injury or death.
WARNING - Hazards or unsafe practices which could result in
severe personal injury or death.
Signal Words in Manuals
The signal word WARNING is used throughout this manual in the
following manner:
The signal word CAUTION is used throughout this manual in the
following manner:
Signal Words on Product
Labeling
Signal words are used in combination with colors and/or pictures
CAUTION
- Hazards or unsafe practices which may result in or product labels.
minor personal injury or product or property damage,
z_
Safety-alert
symbol
NOTE - Used to highlight suggestions which wilt result in en-
When you see this symbol on the unit and in instructions or manu-
hanced installation, reliability, or operation,
ats, be alert to the potential for personal injury.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
........................................
3
INTRODUCTION
..................................................
4
CODES AND STANDARDS
.........................................
4
Safety ..........................................................
4
General Installation
...............................................
4
Combustion
and Ventilation Air .....................................
5
Duct Systems
...................................................
5
Acoustical
Lining and Fibrous Glass Duct ............................
5
Gas Piping and Gas Pipe Pressure Testing
..........................
5
Electrical Connections
............................................
5
Venting .........................................................
5
ELECTROSTATIC
DISCHARGE
(ESD) PRECAUTIONS
PROCEDURE
....
5
LOCATION
.......................................................
6
AIR FOR COMBUSTION
AND VENTILATION
..........................
7
INSTALLATION
...................................................
10
Upflow Installation .............................................
10
Downflow
Installation
..........................................
10
Horizontal
Installation
...........................................
11
Filter Arrangement
............................................
14
Air Ducts
....................................................
14
Gas Piping ...................................................
16
Electrical Connections
.........................................
18
Venting ......................................................
22
START-UP,
ADJUSTMENT,
AND SAFETY CHECK
....................
31
General
.......................................................
31
Start-Up
Procedures
............................................
31
Adjustments
...................................................
32
Check Safety Controls ...........................................
36
Checklist
......................................................
36
SERVICE AND MAINTENANCE
PROCEDURES
....................
40
Introduction
..................................................
40
Care and Maintenance
.........................................
41
Sequence
of Operation
........................................
45
Wiring Diagrams
..............................................
48
Troubleshooting
..............................................
49
IS0 9001
Use of the AHRI Certified
TM Mark indicates
a
manufacturer's
participation
in the program.
For
verification
of certification
for individual products,
go to www.ahridirectory.org
.
PERSONAL INJURY, AND/OR PROPERTY
DAMAGE HAZARD
Failure to carefully read and follow this warning could
result in equipment
malfunction,
property damage,
3ersonal injury and/or death.
Installation
or repairs made by unqualified
persons
could
result
in equipment
malfunction,
property
damage, personal injury and/or death.
The information contained in this manual is intended for
use by a qualified service technician familiar with safety
3rocedures and equipped with proper tools and test
instruments.
Installation must conform with local building codes and
with the
Natural
Fuel Gas Code
(NFCG)
NFPA
54/ANSI Z223.1, and National standards of Canada
CAN/CSA-B149.1
and .2 Natural Gas and Propane
Installation Codes.
INSTALLER: Affix these instructions on or adjacent to the furnace.
CONSUMER:
Retain these instructions for future reference.
Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1-20096),
with permission
of National Fire Protection
Association,
Quincy, MA 02269 and American Gas Association,
Washington,
DO 20001.
This reprinted
material is not the complete
and official position of the NFPA or ANSI, on the referenced
subject, which is represented
only
by the standard
in its entirety.
Printed in U.S.A.
441 01 2101 02
Aug.
2012

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Summary of Contents for ICP F8MTL

  • Page 1 These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE Signal Words in Manuals The signal words DANGER, WARNING, CAUTION, and NOTE The signal word WARNING is used throughout this manual in the following manner: are used to identify levels of hazard seriousness.
  • Page 2 Figure 1 - Dimensional Drawing I-- 5 16/16 [150.7] / r- s 1/2 i 1.;o.tt '1:' s] L 1/1e [51.O] 1"_-71 ___. [,k_s] ='"1 _7/11 [=21=] ACC_ ..21.6 BOT._M [s'la.5] [1_7] INLET _86/8 28,39 [els] -7"1 61_V16-- ['nl.2] p7e.Sl ['n_ [148.S] S_-- 5 7110 [14,t.Sl...
  • Page 3: Safety Considerations

    SAFETY CONSIDERATIONS damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. product and property damage. NOTE is used to highlight suggestions which will result enhanced installation, reliability, or operation. FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD 1.
  • Page 4: Codes And Standards

    END4X, ENW4X, or when the manufacturer's coil casing F8MTL & G8MTL 4-way multipoise Category I fan-assisted model number NAEA is used. See Figure 2 for clearance to furnace is CSA (formerly A.G.A. and C.G.A.) design-certified. combustible material information.
  • Page 5: Electrostatic Precautions

    3. After touching the chassis, you may proceed to service Step 3 m Combustion and Ventilation the control or connecting wires as long as you do Section 9.3 of the NFGC, NFPA 54/ANSI Z223.1-2009 nothing to recharge your body with static electricity (for for Combustion and Ventilation example;...
  • Page 6 LOCATION • De-icing salts or chemicals • Carbon tetrachloride GENERAL • Halogen type refrigerants This multipoise furnace is shipped in packaged configuration. • Cleaning solvents (such as perchloroethylene) Some assembly and modifications are required when used in • Printing inks, paint removers, varnishes, etc. any of the four applications shown in Figure 4.
  • Page 7 AIR FOR COMBUSTION Figure 6 - Prohibit Installation on Back VENTILATION Provisions for adequate combustion, ventilation, and dilution air must be provided in accordance with: U.S. installations: Section 9.3 of the NFPA 54 /A ANSI Z223.1-2009, Air for Combustion Ventilation, applicable provisions of the local building codes.
  • Page 8 b. Not less than the sum of the areas of all vent d. TWO OPENINGS OR VERTICAL DUCTS require 1 -in 2 of free area per 4,000 Btuh (550 mm2/kW) for connectors in the space. combined input of all gas appliances in the space per Figure 7 and Table 2 3.
  • Page 9 2. The air infiltration rate is not known to be less than 0.40 air changes per hour (ACH). The Known Air Infiltration Rate Method shall be used, if the CARBON M ONOXIDE POISONING HAZARD infiltration rate is known to be: 1.
  • Page 10: Installation

    2. Outdoor openings shall b elocated a s required i nthe 1. Position furnace on its back. Locate and drill a hole in Outdoor CombustionAir Methodmentioned each bottom corner of furnace. (See Figure 10) previously and, 2. For each leg, install nut on bolt and then install bolt and 3.
  • Page 11: Horizontal Installation

    HORIZONTAL INSTALLATION Figure 11 - Furnace, Plenum, and Subbase installed on a Combustible Floor The furnace can be installed horizontally in an attic or crawl space on either the left-hand (LH) or right-hand (RH) side. The furnace can be hung from floor joists, rafters or trusses or FURNACE installed on a non-combustible...
  • Page 12 combustible deckor suspended furnaces c loserthan12 1. Tilt or raise furnace and remove two (2) screws holding inches (305mm)to joists. T hesheet m etal M UST extend bottom filler panel. (See Figure 9) underneath thefurnace c asing b y1in.(25mm) w iththedoor 2.
  • Page 13 Figure 15 - Horizontal Unit Suspension 4 REQ. _/// 1/4" (6mm) THREADED UTER DOOR ASSEMBLY SECURE ANGLE IRON TO BOTTOM OF FURNACE WiTH 3 #8 xS/4'' (19ram) SCREWS TYPICAL FOR 2 SUPPORTS 8" (203mm) FOR DOOR REMOVAL 1" (25mm) SQUARE, 1-1/4"xl-1/4"xt/8"...
  • Page 14: Filter Arrangement

    Figure 17 - Typical Attic Installation LINE CONTACT ONLY PERMISSIBLE BETWEEN LINES FORMED BY INTERSECTIONS THE TOP AND TWO SIDES OF THE FURNACE JACKET AND BUILDING JOISTS, STUDS, OR FRAMING. (451 mm)OVERALL 3/4" (121mm) UNDER DOOR 3/4" 1" (25mm) UNDER FURNACE EXTEND OUT 12"...
  • Page 15: Gas Piping

    Table 5 - Air Delivery - CFM (With Filter)* FURNACE RETURN-AIR EXTERNAL STATIC PRESSURE (IN.W.C.) SPEED SIZE INLET High 1465 1400 1325 1250 1175 1085 Med-High 1295 1260 1210 1155 1090 1015 Bottom or Medium 1150 1120 1085 1040 0451412 Side(s) Med-Low 1030...
  • Page 16 FIRE OR EXPLOSION HAZARD FIRE OR EXPLOSION HAZARD Failure to protect gas valve inlet from water Failure to follow this warning could result in )ersonat debris could result in death, personal injury and/or injury, death, and/or property damage. property damage. Use proper length of pipe to avoid stress on gas Gas valve inlet and/or inlet pipe must remain capped control manifold and a gas leak.
  • Page 17 Figure 20 - Horizontal Return Air Configurations and Restrictions RETURN _ SIDE RETURN PERMITIED 066,060, -22-2O AIR FLOW MODELS ......ii iiiiii/iiiii RETURN SIDERETURNAIR 066,060,-22-20 AIR FLOW MODELS ...... _/// ......... RETURN RETURN HNORTzE6 N R AE LS TLREICFTT I..
  • Page 18: Electrical Connections

    Figure 21 - Burner and Manifold Figure 22 - Typical Gas Pipe Arrangement TOP VIEW OF BURNER MANIFOLD ASSEMBLY SUPPLY , Z'[ MANUAL J 90 ° EIbow_ SHUTOFF VALVE (REQUIRED)jf*_.)_ Supply SEDIMENT-- TRAP UNION---_ 2" (51 mm)Nipple Gas Valve A08551 Install a sediment trap in riser leading to furnace as shown in Figure 22.
  • Page 19 ELECTRICAL SHOCK AND FIRE HAZARD FURNACE MAY NOT OPERATE HAZARD Failure to follow this warning could result in personal Failure to follow this caution may result in intermittent injury, death, or property damage. furnace operation. cabinet MUST have uninterrupted Furnace control must grounded...
  • Page 20 ELECTRICAL CONNECTION TO J-BOX 11. Secure field ground wire to J-Box green ground screw. 6. Reinstall cover to J-Box. Do not pinch wires between 12. Complete electrical box wiring and installation. Connect cover and bracket. line voltage leads as shown in Figure 23. Use best practices (NEC in U.S.
  • Page 21 Figure 26 - Two-Stage Furnace with Single-Speed Figure 28 - Two-Stage Furnace with Single-Stage Heat Conditioner Pump (Dual Fuel) ICP THERMOSTAT TWO-STAGE SINGLE-,STAGE FURNACE AIR CONDITIONER ICP THERMOSTAT TWO-STAGE SINGLE-STAGE FURNACE HEAT PUMP NOTE 5 NOTE NOTE4 NOTE4 24VAC SENSOR...
  • Page 22 See notes 6 and 7 connected, SWl-I(TT) on furnace control should be set to ON position to allow ICP Thermostat to control the furnace staging. 6. HUM 24VAC terminal is 24 VAC and is energized when the low pressure switch closes during a call for heat.
  • Page 23 ACCESSORIES NOTE: A field-supplied, 115-v controlled relay connected to EAC terminals be added if humidifier operation 1. Electronic Air Cleaner (EAC): Connect an accessory desired during blower operation. Electronic Air Cleaner (if used) using 1/4-in female quick connect terminals to the male 1/4-in NOTE:...
  • Page 24 The following information and warning must be considered in addition to the requirements defined in the NFGC. CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below...
  • Page 25 Figure 34 - Chimney Inspection Chart CHIMNEY INSPECTION CHART For additional requirements refer to the National Fuel Gas Code NFPA 54/ANSI Z223.1 and ANSI/NFPA 211 Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances Rebuild Crown. prol_rct_ilim_Ywith Reline s ale in g... c od reline chimney as/ Remove mortar...
  • Page 26 The Chimney Adapter Kit is a listed alternative venting Exterior Masonry Chimney FAN + NAT system for these furnaces. See the kit instructions Installations with Type-B Double-Wall Vent complete details. Connectors ©NFPA & AGA This furnace is permitted to be vented into a clay tile-lined masonry chimney that is exposed to the outdoors below the Table 8 - Combined Appliance Maximum Input Rating in roof line, provided:...
  • Page 27 APPLIANCE APPLICATION REQUIREMENTS be required for some model furnaces. A field-supplied 4 in. to 5 in. (102 to 127 mm) or 4 in. to 6 in. (102 mm to 152 mm) Appliance operation significant impact sheet metal increaser fitting is required when 5 in. or 6 in. performance of the venting system.
  • Page 28 Figure 39 - Downflow Application-Vent Elbow Left then Figure 37 - Downflow Application-Vent Elbow Up then Left SEE NOTES:1,2,3,4,5,7,8,9 SEE NOTES: 1,2,4,5,6,7,8,9,10 on the page following on the page following these figures these figures A03210 A03207 Figure 38 - Downflow Application-Vent Elbow Figure...
  • Page 45 (4.)Insert brush endofcable inburner inlet o pening Figure 54 - Cleaning Heat Exchanger Cell ofcell, a nd proceed toclean 2 lower passes ofcell insame manner asupper pass. (5.)Repeat foregoing procedures until e achcellin furnace h asbeen cleaned. (6.)Using vacuum cleaner, remove residue from each cell.
  • Page 46 high-speed. The HUM terminal is energized for a 115V f. Switching from Low-to High-Heat-If the furnace humidifier (if used). control CPU switches from low-heat to high-heat, the furnace control CPU will switch the inducer motor IDM a. Inducer Prepurge Period (see Figure 55 schematic speed from low to high.
  • Page 47 The R-to-Y circuit starts the outdoor unit, and the seconds in low-heat, and 25 seconds in high-heat), furnace control R-to-G-and-Y/Y2 circuits start the allowing the furnace heat exchangers to heat up more quickly, then restarts at the end of the blower-ON delay furnace blower motor BLWM on cool speed.
  • Page 48 CONNECTION DIAGRAM FUSEOR CIRCUIT BREAKER &DISCONNECT SWITCH(WHEN REQ'D) (WHEN USED) = BRN NOTE #3 (WHEN USED) -, <_€_ P4 v,_rrl SELECT CHART THERMOSTAT HEAT TYPE OFF-DELAY ON t-STG S?C = _RED_ = RED B-STG 120 SEC. °N i 15D SEC. •...
  • Page 49 Troubleshooting Guide - Two Stage START Is there 115V at L1 and NEUTRAL? Is door switch closed? Close the door switch. flashing bright-dim-bright-dim like a heartbeat, or flashing ON and OFF? Is LED status light ON solid, alternately Is there 24V at 24VAC and COM? Is there 115V going to switch?
  • Page 50 NOTE: NUMBER IN UPPER LEFT HAND CORNER REPRESENTS FLASH CODE PRESSURE SWITCH DID NOT OPEN LIMIT CIRCUIT LOCKOUT - Lockout Check for: occurs if the limit, draft safeguard, flame Obstructed pressure tube. rollout, or blocked vent switch (if used) Pressure switch stuck closed.
  • Page 51: Parts Replacement

    PARTS REPLACEMENT INFORMATION GUIDE CASING GROUP BLOWER GROUP HEAT EXCHANGER GROUP Blower housing Outer door Heat exchanger cell Blower cutoff Celt panel Blower door Blower motor Lox NOx baffle (California models Top filler plate Blower wheel only) Bottom filler plate Capacitor (where used) Bottom enclosure Capacitor strap (where used)

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