Coleman UGAB Installation Manual

HIGH EFFICIENCY
CLAM TUBE HEAT EXCHANGER SERIES
MODELS: UGAA & UGAB
(Single Stage Upflow/Horizontal)
75 - 100 MBH INPUT
(21.98 - 29.31 KW) INPUT
Q _ ]SO 9001
Certified Quality
Management System
TABLE OF CONTENTS
SAFETY ................................................ 1 TWINNING AND STAGING ................................ 12
DUCTWORK ............................................ 4 VENT/COMBUSTION AIR SYSTEM ......................... 14
FILTERS ............................................... 8 SAFETY CONTROLS .................................... 20
GAS PIPING ............................................ 9 START-UP AND ADJUSTMENTS ........................... 20
ELECTRICAL POWER ................................... 11 WIRING DIAGRAM ...................................... 26
LIST OF FIGURES
Dimensions ............................................. 6
Floor Installation .......................................... 6
Platform Installation ....................................... 7
Typical Attic Installation .................................... 7
Typical Suspended Furnace / Crawl Space Installation ............ 8
Side Return Cutout Markings ................................ 8
Horizontal Mount and Filter ................................. 8
Gas Valve ............................................... 9
Upflow Configuration ...................................... 9
Horizontal Gas Piping ..................................... 9
Burner Assembly ........................................ 10
Line Wiring Connections .................................. 11
Heating and cooling Thermostat Connections .................. 12
Two-Stage Heating and Cooling Thermostat Connections ........ 12
Accessory Connections ................................... 12
Typical Twinned Furnace Application ........................ 13
Single Stage Twinning Wiring Diagram ....................... 13
Two-Stage Twinning Wiring Diagram ......................... !4
Vent Termination ........................................ !4
Vent Termination ........................................ !4
Alternate Air Intake, Air Outlet and Chimney Connections ......... 15
Air Inlet, Outlet and Chimney Connections ..................... 15
Typical Sidewall Vent Application ............................ !6
Typical Sidewall Vent and Termination Configuration ............ 16
Typical Chimney Connections .............................. !6
Horizontal Air Inlet, Outlet and Chimney Connections ............ 16
Home Layout ........................................... !7
Combustion Airflow Path Through The Furnace Casing
to the Burner Box ........................................ !8
Outside and Ambient Combustion Air ......................... 19
Pressure Switch Tubing Routing ............................ 20
Gas Valve .............................................. 23
Reading Gas Pressure .................................... 23
Typical Heat/Cool Speed Tap Connections .................... 24
Wiring Diagram .......................................... 26
LIST OF TABLES
Unit Clearances to Combustibles ............................. 4
Minimum Duct Sizing For Proper Airflow ....................... 5
External Static Pressure Range .............................. 5
Cabinet and Duct Dimensions ............................... 6
Filter Sizes - Upflow ....................................... 8
Inlet Gas Pressure Range .................................. 9
High Altitude Conversion .................................. 1!
Ratings & Physical / Electrical Data - Upflow Models ............ 11
Roof Pitch .............................................. 14
Horizontal Sidewall Venting Clearances ....................... 16
Estimated Free Area ...................................... !8
Free Area .............................................. 18
Unconfined Space Minimum Area in Square Feet ............... 18
Inlet Gas Pressure Range ................................. 23
Nominal Manifold Pressure ................................. 23
Filter Performance - Pressure Drop Inches W.C. and (kPa) ........ 24
Blower Performance - CFM ................................ 25
Field Installed Accessories - Non Electrical .................... 25
Field Installed Accessories - Electrical ........................ 25
SECTION h SAFETY
[_ This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury,
Understand and pay particular attention to the signal words DANGER,
WARNING, or CAUTION.
DANGER indicates an imminently hazardous situation, which, if not
avoided will result in death or serious iniurv.
WARNING indicates a potentially hazardous situation, which, if not
avoided could result in death or serious injury.
CAUTION indicates a potentially hazardous situation, which, if not
avoided may result in minor or moderate iniurv. It is also used to
alert against unsafe practices and hazards involving only property dam-
age.
_WARNING
Improper installation may create a condition where the operation of
the product could cause personal injury or property damage.
Improper installation, adjustment, alteration, service or mainte-
nance can cause injury or property damage. Refer to this manual
for assistance or for additional information, consult a qualified con-
tractor, instafler or service agency.
A CAUTION
This product must be installed in strict compliance with the installa-
tion instructions and any applicable local state, and national codes
including, but not limited to building, electrical and mechanical
codes.
66840/035-20003-001 Rev. B (1205)