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INSTALLATION
MANUAL
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 4
AGENCY APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . 4
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
See the following page for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
Installer should pay particular attention to the words: NOTE,
CAUTION, and WARNING. Notes are intended to clarify or
make the installation easier. Cautions are given to prevent
equipment damage. Warnings are given to alert installer
that personal injury and/or equipment damage may result if
installation procedure is not handled properly.
CAUTION:
READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
SPLIT-SYSTEM HEAT PUMPS
INDOOR UNITS
MODEL: FF-10
035-18877-001-B-0203
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Table of Contents
Related Manuals for Unitary products group FF-10
Summary of Contents for Unitary products group FF-10
- Page 1 MAINTENANCE ......18 See the following page for a complete Table of Contents. MODEL: FF-10 NOTES, CAUTIONS AND WARNINGS Installer should pay particular attention to the words: NOTE, CAUTION, and WARNING.
-
Page 2: Table Of Contents
INSPECTION ....... 4 BASE ACCESSORY FF-10 ..... 9 SUPPLY AIR PLENUM FF-10 . -
Page 3: Nomenclature
S = 208/230-460-3-60 Factory Options A = None Special Options AA = None Generation 1 = First Generation 2 = Second Generation Product Style A = Style A B = Style B *NOT AVAILABLE IN HEAT PUMP Unitary Products Group... -
Page 4: General
As soon as a unit is received, it should be inspected for possi- ble damage during transit. If damage is evident, the extent of the damage should be noted on the carrier’s freight bill. A separate request for inspection by the carrier’s agent should be made in writing. Unitary Products Group... -
Page 5: Physical Data
IR ON NDOOR EATING YCLE Rated in accordance with ARI Standard 110, utilization range “A”. Below 0ºF the control circuit will lock out the compressor and allow the electric heat accessory to cycle at its stand by capacity. Unitary Products Group... -
Page 6: Installation
HANGER RODS (FIELD SUPPLIED) SUSPENSION CHANNEL ELECTRIC HEATER ACCESSORY (40 Lb.) 55" 58-11/16" 5" BLOWER SECTION COIL 1-1/2 SECTION SUPPLY AIR PLENUM ACCESSORY (100 Lb.) FIGURE 1 - UNIT SUSPENSION MOUNTING FF-10 (HORIZONTAL APPLICATIONS) Unitary Products Group... -
Page 7: Clearances
4. Attach the blower section to the coil section with the machine bolts removed in Step 2. The FF-10 unit is shipped for vertical installation with a vertical air discharge as shown in Figure 2, but may be 5. Before replacing the panel, see Duct Connection converted to other arrangements per the following and Drain Connection. -
Page 8: Duct Connections
It is provided with a squeeze connector for securing the wiring harness, and its location corresponds to the loca- tion of the 1-23/32 inch knockout in the top panel of the basic unit. FIGURE 4 - ELECTRIC HEAT ACCESSORY Unitary Products Group... -
Page 9: Return Air Grille Ff-10
2 - 1 / 2 K N O C K O U T F O R P O W E R W I R I N G W H E N E L E C T R I C H E A T E R I S U S E D FIGURE 5 - RETURN AIR GRILLE FF-10 FIGURE 7 - SUPPLY AIR PLENUM FF-10 Electric Heaters are NOT UL approved for installation within a SUPPLY AIR PLENUM. -
Page 10: Drain Connection
The liquid and suction connections must be piped outside the used, care should be taken to avoid sharp bends which may unit. Refer to the unit drawing for locations and the dimen- cause a restriction. sions of these connections. Unitary Products Group... -
Page 11: Expansion Valve Bulb
(along unit. with the grommets) onto the refrigerant lines. After the brazed joints have cooled, slide the panel back into place and secure TABLE 5: ELECTRICAL DATA - FF-10 it to the unit frame. Max. Fuse Blower... -
Page 12: Power And Control Wiring
#19 Solid the wiring diagram inside the motor terminal box #18 Solid when reconnecting motor leads for a 208 or 230 volt #18 Stranded #16 Stranded power supply. #14 Stranded #12 Stranded 035-16602-001 FIGURE 10 -TYPICAL FIELD WIRING Unitary Products Group... -
Page 13: Supply Air Blower Adjustment
DRIVE RANGE TURNS activated while the test is being run. OPEN 550-730 RPM Knowing the pressure drop across a dry coil the actual CFM through the unit can be determined from the curve in Figure 13. Unitary Products Group... -
Page 14: Hole Locations For Pressure Drop Readings
If the CFM is above or below the specified value, the supply air motor pulley may have to be re-adjusted. After one hour of FF-10 0.25 0.15 0.05 1500 2500 3500 4500 5500 6500 FIGURE 13 -CFM VS PRESSURE DROP Unitary Products Group... -
Page 15: Blower Performance Curve
035-18877-001-B-0203 TABLE 8: SUPPLY AIR BLOWER PERFORMANCE FF-10 10 TON BLOWER PERFORMANCE Watts Watts Watts Watts Watts Watts 5775 2168 5402 1851 4990 1516 4571 1281 4250 1097 5521 2283 5409 1954 4810 1633 4326 1307 3785 1069 3484 4864... -
Page 16: Accessory Static Resistance (Iwg)
FF-10 550-730 2.8-3.8 56.3 These factory-mounted motors are wired for a 460V power supply. Refer to the wiring diagram inside the motor terminal box when reconnecting the motor leads to a 208 or 230 volt power supply. Unitary Products Group... -
Page 17: Unit Dimensions Ff-10
. FIGURE 15 -UNIT DIMENSIONS FF-10... -
Page 18: Maintenance
The filters must be replaced as often as necessary to assure Maintain belt tension to extend belt life. Replace the signs if good air flow and filtering action. Clean filters will prevent any failure begins to appear. loss in capacity and efficiency. Unitary Products Group... - Page 19 035-18877-001-B-0203 Unitary Products Group...
- Page 20 Subject to change without notice. Printed in U.S.A. 035-18877-001-B-0203 Copyright © by Unitary Products Group 2003. All rights reserved. Supersedes: 035-18877-001-A-0802 Unitary 5005 Norman Products York Group Drive 73069...
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