Unitary products group DF 060 Installation Manual Download Page 2 | Manualshive

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66399-YIM-C-0405

2

Unitary Products Group

TABLE OF CONTENTS

GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 5

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

RENEWAL PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

PRODUCT NOMENCLATURE. . . . . . . . . . . . . . . . . . . . . . . 7

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 5

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

RENEWAL PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

PRODUCT NOMENCLATURE. . . . . . . . . . . . . . . . . . . . . . . 7

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

INSTALLATION SAFETY INFORMATION . . . . . . . . . . . 14
LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
RIGGING AND HANDLING . . . . . . . . . . . . . . . . . . . . . . 16
CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
DUCTWORK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CONDENSATE DRAIN. . . . . . . . . . . . . . . . . . . . . . . . . . 17
COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
SERVICE ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
POWER AND CONTROL WIRING. . . . . . . . . . . . . . . . . 19
OPTIONS/ACCESSORIES. . . . . . . . . . . . . . . . . . . . . . . 19
ELECTRIC HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
GAS HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

GAS PIPING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
GAS CONNECTION  . . . . . . . . . . . . . . . . . . . . . . . . . . 21
L.P. UNITS, TANKS AND PIPING . . . . . . . . . . . . . . . . 22
VENT AND COMBUSTION AIR HOODS  . . . . . . . . . . 23

ECONOMIZER/MOTORIZED DAMPER AND
RAIN HOOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
POWER EXHAUST/BAROMETRIC RELIEF
DAMPER AND RAIN HOOD . . . . . . . . . . . . . . . . . . . . . 23
ECONOMIZER AND POWER EXHAUST DAMPER
SET POINT ADJUSTMENTS AND INFORMATION . . . 24

MINIMUM POSITION ADJUSTMENT . . . . . . . . . . . . . 24
ENTHALPY SET POINT ADJUSTMENT. . . . . . . . . . . 24
POWER EXHAUST DAMPER SETPOINT
(WITH OR WITHOUT POWER EXHAUST). . . . . . . . . 24
INDOOR AIR QUALITY . . . . . . . . . . . . . . . . . . . . . . . . 24

PHASING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
SUPPLY AIR BLOWERS . . . . . . . . . . . . . . . . . . . . . . . . 60
CHECKING SUPPLY AIR CFM . . . . . . . . . . . . . . . . . . . 60

OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

SEQUENCE OF OPERATIONS OVERVIEW. . . . . . . . . 61

COOLING SEQUENCE OF OPERATION . . . . . . . . . . . 62

CONTINUOUS BLOWER . . . . . . . . . . . . . . . . . . . . . . 62
INTERMITTENT BLOWER . . . . . . . . . . . . . . . . . . . . . 62
NO OUTDOOR AIR OPTIONS . . . . . . . . . . . . . . . . . . 62
ECONOMIZER WITH SINGLE ENTHALPY SENSOR 62
ECONOMIZER WITH DUAL ENTHALPY SENSORS. 62
ECONOMIZER (SINGLE OR DUAL) WITH
POWER EXHAUST. . . . . . . . . . . . . . . . . . . . . . . . . . . 62
MOTORIZED OUTDOOR AIR DAMPERS . . . . . . . . . 62

COOLING OPERATION ERRORS . . . . . . . . . . . . . . . . 62

HIGH-PRESSURE LIMIT SWITCH . . . . . . . . . . . . . . . 63
LOW-PRESSURE LIMIT SWITCH . . . . . . . . . . . . . . . 63
FREEZESTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
LOW AMBIENT COOLING . . . . . . . . . . . . . . . . . . . . . 63

SAFETY CONTROLS  . . . . . . . . . . . . . . . . . . . . . . . . . . 63
COMPRESSOR PROTECTION. . . . . . . . . . . . . . . . . . . 63
FLASH CODES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
ELECTRIC HEATING SEQUENCE
OF OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
SAFETY CONTROLS  . . . . . . . . . . . . . . . . . . . . . . . . . . 64
RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
HEAT ANTICIPATOR SETPOINTS . . . . . . . . . . . . . . . . 65
GAS HEATING SEQUENCE OF OPERATIONS . . . . . . 65
GAS HEATING OPERATION ERRORS  . . . . . . . . . . . . 66

TEMPERATURE LIMIT . . . . . . . . . . . . . . . . . . . . . . . . 66
GAS VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . 66
FLASH CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
RESETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
HEAT ANTICIPATOR SETPOINTS . . . . . . . . . . . . . . . . 67

START-UP (COOLING) . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

PRESTART CHECK LIST . . . . . . . . . . . . . . . . . . . . . . . 67
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . 67
POST START CHECK LIST. . . . . . . . . . . . . . . . . . . . . . 67
SHUT DOWN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

START-UP (GAS HEAT) . . . . . . . . . . . . . . . . . . . . . . . . . . 67

PRE-START CHECK LIST. . . . . . . . . . . . . . . . . . . . . . . 67
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . 68

TO LIGHT PILOT AND MAIN BURNERS . . . . . . . . . . 68
TO SHUT DOWN . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

POST-START CHECK LIST (GAS) . . . . . . . . . . . . . . . . 68
MANIFOLD GAS PRESSURE ADJUSTMENT  . . . . . . . 69
PILOT CHECKOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
BURNER INSTRUCTIONS  . . . . . . . . . . . . . . . . . . . . . . 69
BURNER AIR SHUTTER ADJUSTMENT  . . . . . . . . . . . 69
CHECKING GAS INPUT  . . . . . . . . . . . . . . . . . . . . . . . . 69

NATURAL GAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

ADJUSTMENT OF TEMPERATURE RISE . . . . . . . . . . 70

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

COOLING TROUBLESHOOTING GUIDE . . . . . . . . . . . 70
GAS HEAT TROUBLESHOOTING GUIDE . . . . . . . . . . 73
UNIT FLASH CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . 75

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Summary of Contents for DF 060

Page 1: ...UCT NOMENCLATURE 7 INSTALLATION 14 OPERATION 61 START UP COOLING 67 START UP GAS HEAT 67 TROUBLESHOOTING 70 SEE THE FOLLOWING PAGE FOR A COMPLETE TABLE OF CONTENTS NOTES CAUTIONS AND WARNINGS The inst...

Page 2: ...NS OVERVIEW 61 COOLING SEQUENCE OF OPERATION 62 CONTINUOUS BLOWER 62 INTERMITTENT BLOWER 62 NO OUTDOOR AIR OPTIONS 62 ECONOMIZER WITH SINGLE ENTHALPY SENSOR 62 ECONOMIZER WITH DUAL ENTHALPY SENSORS 62...

Page 3: ...8 HONEYWELL ECONOMIZER CONTROL W7212 25 9 FOUR AND SIX POINT LOADING 26 10 UNIT DIMENSIONS 3 6 TON COOLING ONLY ELECTRIC HEAT FRONT VIEW 51 Fig Pg 11 UNIT DIMENSIONS 3 6 TON COOLING GAS HEAT FRONT VI...

Page 4: ...IRECT DRIVE WITHOUT POWR D CONVENIENCE OUTLET 40 29 ELECTRICAL DATA DF036 048 BELT DRIVE WITHOUT POWR D CONVENIENCE OUTLET 41 Tbl Pg 30 ELECTRICAL DATA DF060 BELT DRIVE WITHOUT POWR D CONVENIENCE OUTL...

Page 5: ...can be hazardous Only qualified trained service personnel should install repair main tain or service this equipment Observe all precautions in the literature on labels and tags accompanying the equip...

Page 6: ...ERVICE INFORMATION MANUAL Part Number 035 18843 004 APPROVALS Design listed by CSA as follows For use as a cooling unit only with or without optional electric heat For use as a forced air furnace with...

Page 7: ...Q Options 2 3 4 R Options 3 4 S Option 5 T Options 1 5 U Options 1 3 5 V Options 1 4 5 W Options 1 3 4 5 X Options 3 5 Y Options 4 5 Z Options 3 4 5 Options 1 Disconnect 2 Non Pwr d Conv Oultet 3 Smo...

Page 8: ...ontroller DFS APS Technicoat Evap Cond Coils Phase Monitor Coil Guard CS CPC Controller DFS APS SS Drain Pan CT CPC Controller DFS APS SS Drain Pan Phase Monitor Coil Guard CU CPC Controller DFS APS S...

Page 9: ...t Cond Coils HV Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Evap Coil HW Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Evap and Cond Coils HX Honeywell Excel 10 Contr...

Page 10: ...Guard LD Simplicity Intelli Comfort Controller Phase Monitor Coil Guard LE Simplicity Intelli Comfort Controller Technicoat Cond Coil LF Simplicity Intelli Comfort Controller Technicoat Cond Coil Pha...

Page 11: ...lter Door Toolless Access Panels BS Bottom Drain Connection Hinged Filter Door Toolless Access Panels DA CPC Controller with Dirty Filter Switch Air Proving Switch Hinged Filter Door Toolless Access P...

Page 12: ...r Toolless Access Panels GB Honeywell Excel 10 Controller DFS APS Phase Monitor Hinged Filter Door Toolless Access Panels GC Honeywell Excel 10 Controller DFS APS Coil Guard Hinged Filter Door Toolles...

Page 13: ...Coil Coil Guard Hinged Filter Door Toolless Access Panels UM Technicoat Evaporator Coil Dirty Filter Switch Hinged Filter Door Toolless Access Panels UN Technicoat Evaporator Coil Phase Monitor Coil...

Page 14: ...rain Pan Technicoat Evap and Cond Coils Hinged Filter Door Toolless Access Panels QX Simplicity Intelli Comfort Controller SS Drain Pan Phase Monitor Coil Guard Technicoat Evap and Cond Coils Hinged F...

Page 15: ...position the unit on either north or east side of building 4 For ground level installation use a level concrete slab with a minimum thickness of 4 inches The length and width should be at least 6 inch...

Page 16: ...A closed return duct system shall be used This shall not preclude use of economizers or outdoor fresh air intake The supply and return air duct connections at the unit should be made with flexible jo...

Page 17: ...same size and type Dirty filters will reduce the capacity of the unit and will result in frosted coils or safety shut down Minimum filter area and required sizes are shown in Physical Data Tables 13...

Page 18: ...W1 W2 G LED 1 LED 2 COM A1 A2 T T B R Y1 Y2 G C X OCC W2 W1 THERMOSTAT1 TERMINALS UNIT TERMINAL STRIP TB1 24 VOLT TRANSFORMER TO REMOTE SENSOR 2TH040702224 IF USED NOT USED ADD JUMPER ADD JUMPER 4 4...

Page 19: ...ocal codes If any of the wire supplied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram and the same minimum gauge as the replaced wire Use copper conduc...

Page 20: ...0 1600 1600 1600 208 230 3 60 1600 1600 1600 1600 1600 1600 460 3 60 1600 1600 1600 1600 1600 575 3 60 1600 1600 1600 1800 208 230 1 60 1800 1800 1800 1800 1800 1800 208 230 3 60 1800 1800 1800 1800 1...

Page 21: ...the unit should be sealed to prevent water from leaking into the building Gas piping recommendations 1 A drip leg and a ground joint union must be installed in the gas piping 2 When required by local...

Page 22: ...vided at the unit manifold under full load Maintaining proper gas pressure depends on three main factors 1 The vaporization rate depends on a the tempera ture of the liquid and b the wetted surface ar...

Page 23: ...the upper gas heat access panel ECONOMIZER MOTORIZED DAMPER AND RAIN HOOD The instruction for the optional economizer motorized damper and rain hood can be found in form 035 07364 000 Use these instr...

Page 24: ...H OUT POWER EXHAUST With no power exhaust option adjust the Exhaust Air Adjustment Screw fully clockwise With power exhaust option each building pres surization requirement will be different The point...

Page 25: ...C C B B A A CONTROL CURVE CONTROL POINT APPROX 0 F 0 C AT 50 RH A D C B 63 17 73 23 70 21 67 19 FIGURE 8 HONEYWELL ECONOMIZER CONTROL W7212 N1 N P1 P EXH Set EXH Min Pos IAQ Max IAQ IAQ Min Free Cool...

Page 26: ...152 145 185 193 DM048N10 685 152 150 190 193 DM060 Cooling Electric 640 143 140 177 180 DM060N08 700 158 150 192 200 DM060N10 710 158 155 197 200 DM072 Cooling Electric 720 164 189 196 171 DM072N08 77...

Page 27: ...104 105 107 DF036N04 625 93 92 91 115 117 118 DF036N08 635 94 93 92 117 119 120 DF048 Cooling Electric 615 91 90 89 113 115 116 DF048N06 675 100 99 98 124 126 128 DF048N10 685 102 100 99 126 128 129...

Page 28: ...2 1 1 2 1 1 2 EVAPORATOR COIL Rows Deep 3 3 3 4 Fins Per Inch 13 13 13 13 Face Area Sq Ft 3 6 4 3 5 1 5 1 CONDENSER FANS Propeller Dia in 24 24 24 24 Fan Motor Hp 1 4 1 4 1 4 1 4 Nom CFM 3400 3400 340...

Page 29: ...ER COILS Rows Deep 2 2 2 2 Fins Per Inch 18 18 18 18 Face Area Sq Ft 17 1 17 1 17 1 17 1 COMPRESSOR Qty Per Unit Recip Type 1 1 1 1 AIR FILTERS Quantity Per Unit 15 X 20 X 1 or 2 2 2 2 2 Quantity Per...

Page 30: ...p 2 2 2 Fins Per Inch 18 18 18 Face Area Sq Ft 17 1 17 1 17 1 COMPRESSOR Qty Per Unit Recip Type 1 1 1 AIR FILTERS Quantity Per Unit 15 X 20 X 1 or 2 2 2 2 Quantity Per Unit 14 X 25 X 1 or 2 1 1 1 Tot...

Page 31: ...06 7 5 31 3 45 3 60 2CE04511006 10 6 44 2 61 5 70 2CE04511506 15 9 66 3 89 1 90 2CE04512006 21 2 88 3 116 7 125 NONE 0 0 0 0 23 9 35 2CE045105252 4 0 11 1 23 9 35 2CE04510725 2 5 6 15 5 25 7 35 2CE045...

Page 32: ...0 NONE 0 0 0 0 31 7 50 2CE045105252 4 0 11 1 31 7 50 2CE045107252 5 6 15 5 31 7 50 2CE04511025 8 0 22 2 36 3 50 2CE04511525 11 9 33 0 49 8 50 2CE04512025 15 9 44 1 63 7 70 2CE04513025 22 2 61 6 85 5 9...

Page 33: ...706 7 5 31 3 48 6 60 2CE04511006 10 6 44 2 64 7 70 2CE04511506 15 9 66 3 92 3 100 2CE04512006 21 2 88 3 119 9 125 NONE 0 0 0 0 24 1 35 2CE04510525 2 4 0 11 1 24 1 35 2CE04510725 2 5 6 15 5 25 9 35 2CE...

Page 34: ...0 NONE 0 0 0 0 29 9 45 2CE045105252 4 0 11 1 29 9 45 2CE04510725 2 5 6 15 5 29 9 45 2CE04511025 8 0 22 2 34 0 45 2CE04511525 11 9 33 0 47 5 50 2CE04512025 15 9 44 1 61 4 70 2CE04513025 22 2 61 6 83 3...

Page 35: ...31 3 57 8 70 2CE04511006 10 6 44 2 74 0 80 2CE04511506 15 9 66 3 101 6 110 2CE04512006 21 2 88 3 129 2 150 NONE 0 0 0 0 33 9 45 2CE04510525 2 4 0 11 1 33 9 45 2CE04510725 2 5 6 15 5 38 2 45 2CE045110...

Page 36: ...NE 0 0 0 0 41 7 60 2CE045105252 4 0 11 1 41 7 60 2CE045107252 5 6 15 5 41 7 60 2CE04511025 8 0 22 2 48 8 60 2CE04511525 11 9 33 0 62 3 70 2CE04512025 15 9 44 1 76 2 80 2CE04513025 22 2 61 6 98 0 100 N...

Page 37: ...5 31 3 61 1 70 2CE04511006 10 6 44 2 77 2 80 2CE04511506 15 9 66 3 104 8 110 2CE04512006 21 2 88 3 132 4 150 NONE 0 0 0 0 34 1 45 2CE04510525 2 4 0 11 1 34 1 45 2CE04510725 2 5 6 15 5 38 4 45 2CE0451...

Page 38: ...ONE 0 0 0 0 39 9 50 2CE045105252 4 0 11 1 39 9 50 2CE045107252 5 6 15 5 39 9 50 2CE04511025 8 0 22 2 46 5 50 2CE04511525 11 9 33 0 60 0 70 2CE04512025 15 9 44 1 73 9 80 2CE04513025 22 2 61 6 95 8 100...

Page 39: ...06 10 6 44 2 61 5 70 2CE04511506 15 9 66 3 89 1 90 2CE04512006 21 2 88 3 116 7 125 NONE 0 0 25 7 40 2CE045105252 4 0 11 1 25 7 40 2CE045107252 5 6 15 5 25 7 40 2CE04511025 8 0 22 2 34 0 40 2CE04511525...

Page 40: ...25 5 40 1 50 2CE04511525 15 9 38 2 56 1 60 2CE04512025 21 2 51 0 72 0 80 2CE04513025 29 6 71 2 97 3 100 NONE 0 0 0 0 16 0 25 2CE045107462 6 8 8 2 16 0 25 2CE045110462 10 1 12 1 19 3 25 2CE045115462 13...

Page 41: ...06 10 6 44 2 64 7 70 2CE04511506 15 9 66 3 92 3 100 2CE04512006 21 2 88 3 119 9 125 NONE 0 0 25 9 40 2CE04510525 2 4 0 11 1 25 9 40 2CE04510725 2 5 6 15 5 25 9 40 2CE04511025 8 0 22 2 34 3 40 2CE04511...

Page 42: ...25 5 38 4 50 2CE04511525 15 9 38 2 54 3 60 2CE04512025 21 2 51 0 70 2 80 2CE04513025 29 6 71 2 95 5 100 NONE 0 0 0 0 15 3 20 2CE045107462 6 8 8 2 15 3 20 2CE045110462 10 1 12 1 18 4 20 2CE045115462 13...

Page 43: ...12 1 18 4 20 2CE04511546 2 13 6 16 4 23 7 25 2CE04512046 2 19 5 23 5 32 6 35 2CE04513046 2 28 8 34 6 46 6 50 NONE 0 0 0 0 12 6 15 2CE04511058 10 6 10 2 15 2 20 2CE04511558 15 9 15 3 21 6 25 2CE045120...

Page 44: ...6 44 2 74 0 80 2CE04511506 15 9 66 3 101 6 110 2CE04512006 21 2 88 3 129 2 150 NONE 0 0 35 7 50 2CE04510525 2 4 0 11 1 35 7 50 2CE04510725 2 5 6 15 5 38 2 50 2CE04511025 8 0 22 2 46 5 50 2CE04511525...

Page 45: ...5 52 6 60 2CE04511525 15 9 38 2 68 6 70 2CE04512025 21 2 51 0 84 5 90 2CE04513025 29 6 71 2 109 8 110 NONE 0 0 0 0 21 0 30 2CE045107462 6 8 8 2 21 0 30 2CE045110462 10 1 12 1 25 6 30 2CE045115462 13 6...

Page 46: ...10 6 44 2 77 2 80 2CE04511506 15 9 66 3 104 8 110 2CE04512006 21 2 88 3 132 4 150 NONE 0 0 35 9 50 2CE045105252 4 0 11 1 35 9 50 2CE045107252 5 6 15 5 38 4 50 2CE04511025 8 0 22 2 46 8 50 2CE04511525...

Page 47: ...5 50 9 60 2CE04511525 15 9 38 2 66 8 70 2CE04512025 21 2 51 0 82 7 90 2CE04513025 29 6 71 2 108 0 110 NONE 0 0 0 0 20 3 25 2CE045107462 6 8 8 2 20 3 25 2CE045110462 10 1 12 1 24 7 25 2CE045115462 13...

Page 48: ...4 7 25 2CE04511546 2 13 6 16 4 29 9 30 2CE04512046 2 19 5 23 5 38 8 40 2CE04513046 2 28 8 34 6 52 8 60 NONE 0 0 0 0 16 6 20 2CE04511058 10 6 10 2 20 2 25 2CE04511558 15 9 15 3 26 6 30 2CE04512058 21 2...

Page 49: ...1 121 0RGHO 7RQQDJH 9ROWDJH 5 DFK 5 DFK ORZHU 0RWRU RPSUHVVRUV 2 DQ 0RWRU RQY 2XWOHW PSV 0LQLPXP LUFXLW PSDFLW PSV 0D XVH 5 5 6L H PSV OHFWULF HDWHU 0RGHO 1R HDWHU N HDWHU PSV 5 7 SH SHU 1 7KHVH HOHFW...

Page 50: ...121 121 ODEL 4ONNAGE 6OLTAGE INIMUM IRCUIT MPACITY MPS AX USE 2 2 3IZE MPS 2 ACH 2 ACH LOWER OTOR ONV UTLET MPS LECTRIC EATER ODEL O EATER K7 OMPRESSORS EATER MPS AN OTOR 5 7 SH SHU 1 7KHVH HOHFWULF K...

Page 51: ...CAP MULTIPLIER 208 208 1 00 240 230 0 92 480 460 0 92 600 575 0 92 TABLE 40 VOLTAGE LIMITATIONS1 1 Utilization Range A in accordance with ARI Standard 110 POWER SUPPLY VOLTAGE MIN MAX 208 230 3 60 18...

Page 52: ...66399 YIM C 0405 52 Unitary Products Group FIGURE 11 UNIT DIMENSIONS 3 6 TON COOLING GAS HEAT FRONT VIEW FIGURE 12 UNIT WITH ECONOMIZER RAINHOOD DETAIL A...

Page 53: ...66399 YIM C 0405 Unitary Products Group 53 FIGURE 13 UNIT WITH FIXED OUTDOOR AIR MOTORIZED DAMPER RAINHOOD DETAIL B FIGURE 14 UNIT DIMENSIONS REAR VIEW...

Page 54: ...ocated by the side in the insulation Control Wiring2 2 Do not remove the 2 knockout ring Side Bottom B 2 KO1 Power Wiring Side Bottom C 1 5 8 KO Gas Piping Front D 1 1 2 KO Gas Piping Bottom TABLE 42...

Page 55: ...0 580 RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 1700 1600 1500 1400 1055 875 1300 1036 780 1066 850 1200 1011 735 1047 765 1075 800 1100 987 690 1028 720 1060 750 1084 775...

Page 56: ...WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2000 1103 1270 1900 1085 1210 1800 1064 1145 1102 1180 1700 1040 1075 1081 1115 1121 1140 1600 1020 1005 1060 1050 1100 1085 1500 1003...

Page 57: ...5 830 RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2500 2400 1193 1665 2300 1170 1580 1202 1620 2200 1148 1480 1180 1530 2100 1121 1385 1155 1425 1190 1475 2000 1100 1285 1133...

Page 58: ...M WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 3200 3000 2800 1245 2190 2600 1193 1920 1222 1990 1250 2060 2400 1142 1675 1173 1730 1205 1800 1234 1885 2200 1090 1380 1124 1450 1155 1550 11...

Page 59: ...24 800 1644 770 1531 710 6 1 HI 2101 1260 2000 1205 1914 1155 1830 1110 5 1 0 60 0 20 0 30 0 40 0 50 UNIT TONNAGE MOTOR SPEED UNIT TONNAGE MOTOR SPEED 3 1 4 1 5 1 AVAILABLE EXTERNAL STATIC PRESSURE IW...

Page 60: ...08 0 09 0 10 0 11 0 12 0 14 0 16 0 19 0 22 0 08 0 10 0 12 0 14 0 16 0 18 0 20 0 23 0 26 0 29 0 32 COOLING ONLY2 RESISTANCE IWG CFM DESCRIPTION ECONOMIZER1 3 BOTTOM DUCT CONNECTIONS1 ELECTRIC HEATERS1...

Page 61: ...nit can be determined from the curve in Pressure Drop vs Supply Air CFM Figure 17 After readings have been obtained remove the tubes and reinstall the two 5 16 dot plugs that were removed in Step 1 NO...

Page 62: ...zes the economizer The dampers will modulate to maintain a constant supply air temperature as monitored by the discharge air sensor If the outdoor air enthalpy is above the setpoint Y1 energizes the c...

Page 63: ...h a code Table 55 LOW AMBIENT COOLING To determine when to operate in low ambient mode the UCB has a pair of terminals connected to a temper ature activated switch set at 45 F When the low ambi ent sw...

Page 64: ...5 20 and 30 kW 230V heaters and 20 and 30 kW heater 460V and 575V heaters a Upon a call for first stage heat by the thermostat the heater sequencer 1S 15 20 30 kW 230 volt and contactor 2M 20 30 kW 46...

Page 65: ...nated and the main gas valve opened Gas flows into each of the main burners and is ignited from the carryover tube flame After completing the specified fan on delay for heating the UCB will energize t...

Page 66: ...e limit switch operates when a high tem perature condition caused by inadequate supply air flow occurs thus shutting down the ignition con trol and closing the main gas valve and energizing the blower...

Page 67: ...neral infor mation section Check blower drive belt tension 6 Check the unit supply air CFM See CHECKING SUPPLY AIR CFM on page 60 7 Measure evaporator fan motor s amp draw 8 Set the room thermostat fa...

Page 68: ...rect manifold gas pressures See Checking Gas Input on page 69 3 Check the supply gas pressure It must be within the limits shown on rating nameplate Supply pressure should be checked with all gas appl...

Page 69: ...valve and downstream from the main manual shut off valve 3 Remove the gas piping closure panel 4 Disconnect wiring to the gas valves and spark igni tors Remove the manifold burner gas valve assembly b...

Page 70: ...takes 38 seconds for the hand on the 1 cubic foot dial to make a revolution with a 100 000 Btuh furnace running Using this information located 38 seconds in the first column in the table above Read a...

Page 71: ...operation of the room thermostat contact between R and G with the fan switch in the ON posi tion and in the AUTO position during operation calls b Proper wiring between the room thermostat and the UC...

Page 72: ...ASCD Check the LED for an indication of an ASCD cycle The ASCD should time out within 5 minutes Press and release the TEST button to reset all ASCDs 11 If 24 volts is present at the UCB Y1 terminal a...

Page 73: ...4 volts is present at the UCB termi nal check for loose wiring between the UCB and M2 7 If 24 volts is not present at the UCB supply air blower motor terminal check for 24 volts from the room thermost...

Page 74: ...elay RW1 located in the control box 3 If the furnace is hot it may be out on an over tem perature condition wait for limit reset 4 If the furnace is cold check for 24 volts at terminal 5 and 7 of RW1...

Page 75: ...and GROUND termi nals If no voltage detected replace ignitor control If voltage is present replace gas valve Furnace lights with roll out or one burner has delayed ignition 1 Make sure that the carryo...

Page 76: ...present alarms 3 Flashes HPS1 Compressor Lock out 4 Flashes HPS2 Compressor Lock out 5 Flashes LPS1 Compressor Lock out 6 Flashes LPS2 Compressor Lock out 7 Flashes FS1 Compressor Lock out 8 Flashes F...

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