McQuay RAH 077C manuales

Mcquay RAH 077C Manual de instalación (88 paginas)

Marca: Mcquay | Categoria: Climatizador | Tamaño: 2.29 MB |

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Tabla de contenidos

Applied Rooftop Systems

1

Air Handler

1

Table of Contents

2

Introduction

3

Typical Component Locations

4

Plan View

5

Elevation

5

Typical Unit Sections

7

Control Locations

8

Control Panel Locations

9

Page 10 IM-487

10

IM-487 Page 11

11

Page 12 IM-487

12

IM-487 Page 13

13

Mechanical Installation

14

Ventilation Clearance

15

Overhead clearance

15

Page 16 IM-487

16

IM-487 Page 17

17

Assembly Instructions:

17

Post and Rail Mounting

18

Rigging and Handling

18

Split Units

19

Reassembly of Split Units

20

IM-487 Page 21

21

Installing Ductwork

22

Installing Building Static

23

Pressure Sensor Taps

23

Condensate Drain Connection

24

Field Refrigerant Piping and

25

Charging of DX Coils

25

Piping Recommendations

25

Leak Testing

26

Evacuation

26

Charging the System

26

Refrigerant Charge

27

S e t s c r e w s

28

S t e m C l i p

28

R e t u r n

29

S u p p l y

29

Air Flow

30

Columns*

31

Gasketing

33

Door Prop

33

Page 34 IM-487

34

Damper Assemblies

35

Page 36 IM-487

36

(0 to 30% Outside Air)

36

IM-487 Page 37

37

Figure 40. Mixing Box

37

Page 38 IM-487

38

Cabinet Weatherproofing

39

Electrical Installation

40

Field Control Wiring

42

Preparing Unit for Operation

43

Adjustment of Scroll Dampers

45

S c r o l l D a m p e

45

Sequences of Operation

46

IM-487 Page 47

47

Wiring Diagrams

48

IM-487 Page 49

49

Typical Power Circuits

50

IM-487 Page 51

51

Page 52 IM-487

52

IM-487 Page 53

53

Page 54 IM-487

54

IM-487 Page 55

55

Typical Actuator Circuit

56

IM-487 Page 57

57

Page 58 IM-487

58

IM-487 Page 59

59

Unit Options

60

Freeze Protection

61

Mixed Air Temperature Alarm

61

Duct High Pressure Limit

61

Variable Inlet Vanes

61

Actuator Rotation Adjustment

62

IM-487 Page 63

63

Page 64 IM-487

64

IM-487 Page 65

65

Page 66 IM-487

66

C o v e r

67

A c c e s s

67

O p e n i n g

67

Page 68 IM-487

68

Propeller Exhaust Fan Option

69

A i r f l o w

70

R o t a t i o n

70

IM-487 Page 71

71

Propeller Exhaust Fan Control

72

Before Start-up

73

Power-up

73

Fan Start-up

73

Economizer Start-up

74

Heating System Start-up

74

Cooling System Start-up

74

Drive Belt Adjustment

76

IM-487 Page 77

77

Mounting:

77

Adjusting:

77

Page 78 IM-487

78

Center Flange

79

Assembly

79

Final Control Settings

80

IM-487 Page 81

81

Page 82 IM-487

82

IM-487 Page 83

83

Maintenance

84

Gas Furnace

85

Bearing Lubrication

85

Winterizing Water Coils

87

Replacement Parts List

88

Mcquay RAH 077C Manual de usuario (229 paginas)

Marca: Mcquay | Categoria: Climatizador | Tamaño: 2.58 MB |

Inglés

Tabla de contenidos

Large Cabinet

1

Contents

2

Parts List Revision History

5

Nomenclature

10

Electrical Legend

15

C20= AE or AY and C19= YY

20

No Return Air Plenum

20

100% Outside Air Damper

21

N/S= Not Shown on Diagram

22

Units without Return Air Fans

23

N/S= Not Shown on diagram

24

C19= BE or BD

30

Lube Line Detail

31

Until 3/05

32

3/05 & to 10/06**

32

1/07 to present**

32

C20= CE or CY, C19= BB, BY

33

Low Leak Damper

35

Design Flow

36

Code 20= FE, FY, GE, GY

36

Until 11/04

37

11/04 & Later

38

Return Air Fan Motors

40

Return Air Opening

41

Return Air

41

Opening

41

Ebtron Sensor Detail

42

Filters, Continued

45

Drain Pan Only

47

(Code 27= DYYY or DYYS)

47

Coils, Drain Pans, Gasketing

48

Cooling Only Units

50

Heating Only Units

55

Code 27 ﬁrst digit= C or B

57

LT21, FS1, FS2

57

Section F- Supply Air Section

100

Option 1: Blank Compartment

108

Diffuser

108

Unit Mounted Controls

108

Coil Location

109

Mixing Valve Detail

109

Diagram & Components

110

Components, Continued

111

Diagrams & Components

112

20- 120 KW Components

113

See chart 3 pages prior

115

See charts on previous page

118

160- 320KW Components

120

1500, 2000

123

Code 34= 150***, 200***

123

Diagrams

124

Components

125

Hi Turn Down Burner:

128

Hi Turn Down Burner

129

Until 6/95

132

7/95 to 1/01

133

Gas Train- Inlet

140

Until 6/96

140

6/96 & later

141

CSA Units— Code 07= CC or CD

142

UL Units— Code 07= EU

143

Gas Train- Controls: GV2, VM1

144

UL Units— Code 07= EU, YU

147

CSA Units— Code 07= CC, CD

148

Gas Train- Outlet

149

Gas Train- Damper Linkage

150

Single Stage Burners

150

C34= ****A*, ****P* or ****Q*

150

C34= ****E*, ****R* or ****S*

151

Until 4/96

151

4/96 & Later

152

Until 8/03 (see note below)

153

Section Mounted Controls

157

LT16, S16, REC16

158

Unit Air

159

DAT, OAT, SD1

161

C40= BE or BD

162

Section N- Main Control Box

164

Remote Monitor Panel

165

(power supply)

168

Control Box

229

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