035-14841-000 Rev. A (0701)
2
Unitary Products Group
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 MAINTENANCE
CAN CAUSE INJURY OR PROPERTY DAMAGE.
REFER TO THIS MANUAL FOR ASSISTANCE
OR ADDITIONAL INFORMATION, CONSULT A
QUALIFIED INSTALLER, SERVICE AGENCY OR
THE GAS SUPPLIER.
THIS PRODUCT MUST BE INSTALLED IN
STRICT COMPLIANCE WITH THE ENCLOSED
INSTALLATION INSTRUCTIONS AND ANY
APPLICABLE LOCAL, STATE, AND NATIONAL
CODES INCLUDING BUT NOT LIMITED TO,
BUILDING, ELECTRICAL AND MECHANICAL
CODES.
The furnace area must not be used as a broom
closet or for any other storage purposes, as a fire
hazard bay be created. Never store items such as
the following on, near or in contact with the fur-
nace.
1.
Spray or aerosol cans, rags, brooms, dust mops, vac-
uum cleaners or other cleaning tools.
2.
Soap powders, bleaches, waxes or other cleaning
compounds; plastic items or containers; gasoline, kero-
sene, cigarette lighter fluid, dry cleaning fluids or other
volatile fluid.
3.
Paint thinners and other painting compounds.
4.
Paper bags, boxes or other paper products
Never operate the furnace with the blower door
removed. To do so could result in serious personal
injury and/or equipment damage.
WARNING
CAUTION
WARNING
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
RENEWAL PARTS: . . . . . . . . . . . . . . . . . . . . . . . . . . 3
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . 4
LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
RIGGING AND HANDLING . . . . . . . . . . . . . . . . . . . . 5
CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . 5
SERVICE ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . . 6
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
POWER AND CONTROL WIRING . . . . . . . . . . . . . . 6
COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
OPTIONAL ECONOMIZER RAIN HOOD . . . . . . . . . 7
DISCONNECT SWITCH BRACKET . . . . . . . . . . . . . 9
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
COOLING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . 15
PRELIMINARY OPERATION COOLING . . . . . . . . 15
COOLING SEQUENCE OF OPERATION . . . . . . . . 15
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . 15
HEATING SEQUENCE OF OPERATION . . . . . . . . 15
TWO-STAGE HEATING: . . . . . . . . . . . . . . . . . . . . . 16
HEAT ANTICIPATOR SETPOINTS . . . . . . . . . . . . 16
CHECKING SUPPLY AIR CFM . . . . . . . . . . . . . . . . 16
BELT-DRIVE BLOWER . . . . . . . . . . . . . . . . . . . . . . 16
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
NORMAL MAINTENANCE . . . . . . . . . . . . . . . . . . . 17
LIST OF FIGURES
CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . . 5
RECOMMENDED DRAIN PIPING . . . . . . . . . . . . . . 5
ECOMONIZER RAIN HOOD ASSEMBLY (OPTION) 7
ENTHALPY SET POINT ADJUSTMENT . . . . . . . . . 9
DIMENSIONS & CLEARANCES - 3, 4 & 5 TONS . 10
TYPICAL FIELD WIRING . . . . . . . . . . . . . . . . . . . . 11
BELT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . 16
PRESSURE DROP ACROSS A DRY
EVAPORATOR COIL VS. SUPPLY AIR CFM,
WITHOUT AIR FILTERS . . . . . . . . . . . . . . . . . . . . . 17
LIST OF TABLES
PHYSICAL DATA ....................................................... 6
SUPPLY AIR PERFORMANCE - 3-TON ................. 12
SUPPLY AIR PERFORMANCE - 4 TON ..................12
SUPPLY AIR PERFORMANCE - 5 TON ..................13
STATIC RESISTANCES .......................................... 14
MOTOR AND DRIVE DATA- Belt-Drive Blower ....... 14
ELECTRICAL DATA- Basic Unit .............................. 14
HEAT ANTICIPATOR SETTING .............................. 16
BELT DRIVE SUPPLY AIR ADJUSTMENT
MOTOR PULLEY ADJUSTMENT ............................ 16
Summary of Contents for SUNLINE ULTRA D1HG 048
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