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INSTALLATION 
MANUAL

CAUTION:

READ ALL SAFETY GUIDES BEFORE YOU 
BEGIN TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

MODEL: FF-07

SPLIT-SYSTEM HEAT PUMPS

INDOOR UNITS

035-18548-001-B-0203

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 dam-
age may result if installation procedure is not handled
properly.

Summary of Contents for FF-07

Page 1: ...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 Note...

Page 2: ...Fig Pg 1 UNIT SUSPENSION MOUNTING 7 2 VERTICAL AND HORIZONTAL APPLICATION 8 3 SUPPLY AIR DUCT CONNECTIONS 8 4 ELECTRIC HEATER ACCESSORY 8 5 SUPPLY AIR PLENUM ACCESSORY 9 6 BASE ACCESSORY 9 7 RETURN AI...

Page 3: ...entifier F R 22 Standard Efficiency 2 Pipe L R 22 Standard Efficiency 4 Pipe 07 Nominal Cooling Capacity MBH 07 7 1 2 Ton 10 10 Ton 15 15 Ton 20 20 Ton C Heat Type C Cooling Only 00 Nominal Heating Ca...

Page 4: ...N1 General Installation Form 55 70 N2 Pre start Post start Check List Form 55 70 N3 General Service Information Form 55 05 NM Evacuation and Charging RENEWAL PARTS Refer to Parts Manual for complete l...

Page 5: ...ea square feet 6 6 Connection Inlet 1 1 2 NPTE Outlet 1 1 2 NPTE Electric Heat Heater Elements Nickel 59 2 Chromium 16 0 watts sq in 59 0 Face Area square feet 3 0 1 Refer to Blower Motor and Drive Da...

Page 6: ...n beams can support them Units being installed horizontally can be suspended from above Four 3 8 weld nuts are provided in the unit frame to accommodate hanger rods Knockouts must be removed from the...

Page 7: ...l Accessory Based on a Standard Blower Motor Center of Gravity Dimensions In Weight Distribution Lbs A B W1 W2 W3 W4 Total FF 07 Basic Unit Only 24 1 8 23 1 4 112 102 89 82 385 Unit with Electric Heat...

Page 8: ...035 16650 001 Supply Air Plenum PN 035 16621 001 Return Air Grille PN 035 16632 001 Base The supply air plenum and the return air grille should be used in lieu of ductwork only when a free blow free r...

Page 9: ...exception small radius ells for any traps in a vapor riser If soft copper is used care should be taken to avoid sharp bends which may cause a restriction Fiber glass insulation and a sealing material...

Page 10: ...grommets onto the refrigerant lines After the brazed joints have cooled slide the panel back into place and secure it to the unit frame NOTE These units can only be piped from one side of the unit EX...

Page 11: ...contactor 10M Wire Size Maximum Total Circuit Length Feet 19 Solid 18 Solid 18 Stranded 16 Stranded 14 Stranded 12 Stranded 130 170 180 270 455 730 TABLE 3 ELECTRICAL DATA Blower Motor HP Power Suppl...

Page 12: ...1 2 3445 1 4 6 2 0 6 7 031 1 5 04 1 031 00 3 1 10 1 1 402161 2 4 6 0 6 6 20 7 758622 1 00 3 1 2 01 93 88 1 6 1 61 6 220 5 5 93 6 1 61 6 220 5 2 32 5 93 6 0 1 61 6 220 5 2 32 5 93 6 1 61 6 220 5 2 32 1...

Page 13: ...elt span with an applied force of 2 to 3 pounds This adjust ment is made by moving the blower motor mount ing plate Refer to Figure 10 Turning the adjustment bolt B moves the motor mounting plate up o...

Page 14: ...d After one hour of operation check the belt and pulleys for tightness and alignment After readings have been obtained remove the tubes and seal up the drilled holes in the side panel Dot plugs 5 16 P...

Page 15: ...40 916 1222 2431 913 1185 0 turns 1 turn 2 turns 3 turns 4 turns 5 turns 1 Available static pressure in IWG to overcome the resistance of the duct system and any accessories added to the unit Refer to...

Page 16: ...ATIC RESISTANCE IWG Model Accessory Static Resistance IWG BLOWER CFM 2400 2700 3000 3300 3600 FF 07 Electric Heat 10 KW 01 01 01 02 02 16 KW 01 02 02 03 04 26 KW 03 04 05 06 07 36 KW 05 07 08 10 11 Su...

Page 17: ...in a horizontal position do not block this area with refrigerant piping 8 3 8 Accessories ELECTRIC HEATER Add 14 14 1 4 to unit height when used SUPPLY AIR PLENUM Add 27 1 2 to unit height when used B...

Page 18: ...recommended to pre vent any loss in capacity and efficiency FILTERS The filters must be replaced as often as necessary to assure good air flow and filtering action Clean filters will prevent any loss...

Page 19: ...035 18548 001 B 0203 Unitary Products Group 19...

Page 20: ...o change without notice Printed in U S A 035 18548 001 B 0203 Copyright by Unitary Products Group2003 All rights reserved Supersedes 035 18548 001 A 0802 Unitary 5005 Norman Products York OK Group Dri...

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