TABLE OF CONTENTS
SECTION 1: Air Handler Safety .............................................. 1
1.1 Description of Operation .............................................. 1
1.2 Inspection and Set
u
p ................................................... 1
1.3 Safety Labels and Their Placement.............................. 2
1.4 California Proposition 65 .............................................. 2
SECTION 2: Installer Responsibility...................................... 3
2.1 Wall Tag ....................................................................... 3
2.2 Corrosi
v
e Chemicals.................................................... 3
2.3 National Standards and Applicable Codes................... 4
2.4 Req
u
ired Eq
u
ipment .................................................... 4
SECTION 3: Critical Considerations...................................... 5
3.1 Req
u
ired Clearances to Comb
u
stibles......................... 5
3.2 P
u
rge of S
u
pply D
u
ct ................................................... 6
3.3 Hard
w
are ..................................................................... 6
SECTION 4: National Standards and Applicable Codes...... 7
4.1 Gas Codes................................................................... 7
4.2 Installation Codes ........................................................ 7
4.3 Aircraft Hangars ........................................................... 7
4.4 Parking Str
u
ct
u
res and Repair Garages ...................... 7
4.5 Electrical ...................................................................... 7
4.6 Venting ......................................................................... 7
4.7 High Altit
u
de ................................................................ 7
SECTION 5: Specifications.....................................................
8
SECTION 6: Liftin
g
an Air Handler....................................... 12
6.1 Lifting an Air Handler ................................................. 12
SECTION 7: Roof................................................................... 14
7.1 Roof C
u
rb Assembly and Installation......................... 14
7.2 Air Handler Mo
u
nting to Roof C
u
rb............................ 16
SECTION
8
: Le
g
s For Horizontal Mountin
g
........................ 17
8.1 Leg Mo
u
nting ............................................................. 17
8.2 Leg Mo
u
nting - Horizontal Air Handler....................... 17
SECTION 9: Upri
g
ht Installation .......................................... 1
8
9.1 Upright Leg Assembly................................................ 18
9.2 Upright Installation ..................................................... 21
9.3 Attaching Air Handler ................................................. 21
SECTION 10: Filter Section .................................................. 22
10.1 Filter Section S
u
pport Assembly Installation
(2010 - 2030)............................................................ 22
10.2 Filter Section Installation - Horizontal Air Handlers .. 23
10.3 Filter Section Installation - Upright Air Handlers....... 23
SECTION 11: Inlet Hood........................................................ 24
11.1 Inlet Hood Assembly ................................................. 25
11.2 Inlet Hoods
w
ith Filter Rack Assembly ...................... 26
SECTION 12: Dampers......................................................... 33
12.1 Discharge Damper ................................................... 34
12.2 Inlet Damper ............................................................ 34
SECTION 13: Dischar
g
e Heads and Splash Plates ............ 35
13.1 Three-Way Discharge Head Installation................... 35
13.2 Splash Plate Installation........................................... 36
SECTION 14: Duct Considerations ...................................... 3
8
14.1 Inlet D
u
ct Work ........................................................ 38
14.2 Ret
u
rn D
u
ct Work .................................................... 38
14.3 Discharge D
u
ct Work ............................................... 38
SECTION 15: Gas Pipin
g
...................................................... 39
15.1 Gas Manifolds .......................................................... 39
15.2 Gas Piping and Press
u
res ....................................... 39
15.3 Gas Manifold Venting ............................................... 39
15.4 Gas Piping ............................................................... 42
15.5 Press
u
re Test Ports .................................................. 42
15.6 Line Press
u
re Test - Leak Testing ............................ 42
SECTION 16: Electrical ......................................................... 43
16.1 Disconnect F
u
se Sizing ........................................... 44
16.2 Wiring and Electrical Connections ........................... 44
16.3 Remote Panel .......................................................... 44
16.4 Motor C
u
rrent Dra
w
................................................. 44
16.5 Control C
u
rrent Dra
w
............................................... 45
16.6 Safety Systems ........................................................ 45
16.7 Interlocks ................................................................. 48
16.8 Control Options........................................................ 48
SECTION 17: Se
q
uence of Operation ................................. 50
17.1 Air Handler Config
u
ration ......................................... 50
17.2 HVAC Remote Panels and Panel Options ................ 52
17.3 InfinityPro™ .............................................................. 54
17.4 Basic Air Handler Seq
u
ence of Operation................ 54
SECTION 1
8
: Direct Fired Burner ........................................ 5
8
18.1 Direct Fired B
u
rner Ignition...................................... 59
18.2 Direct Fired B
u
rner Flame Pro
v
ing (Flame Rod)...... 60
SECTION 19: Direct Fired Process Air Heaters .................. 61
19.1 Direct Fired Process Air Heater Models ................... 62
19.2 Installer's Responsibilities........................................ 62
19.3 Installer's Responsibility for Process Heaters
Connected to Paint Booths ...................................... 63
SECTION 20: Start-up Procedures ...................................... 64
20.1 Installation of Recirc
u
lating Air Handler ................... 65
20.2 Mechanical .............................................................. 65
20.3 Electrical.................................................................. 66
20.4 Airflo
w
...................................................................... 66
20.5 Gas Piping and Initial Press
u
re Settings.................. 67
20.6 Safety Sh
u
t Off Val
v
e Check.................................... 69
20.7 Temperat
u
re Control System Calibration ................. 69
SECTION 21: Maintenance ................................................... 72
21.1 General .................................................................... 73
21.2 Unit Exterior ............................................................. 73
21.3 Blo
w
er Section ........................................................ 73
21.4 Manifold and Controls .............................................. 76
21.5 B
u
rner ..................................................................... 76
21.6 Optional Eq
u
ipment ................................................. 77
SECTION 22: Replacement Parts ........................................ 7
8
SECTION 23: Troubleshootin
g
.............................................
8
2
23.1 Initial Checks ........................................................... 83
23.2 Motor and Blo
w
er .................................................... 83
23.3 B
u
rner...................................................................... 84
23.4 Temperat
u
re Controls .............................................. 85
23.5 A1014 Amplifier - Field Checklist.............................. 86
23.6 A44 Amplifier - Field Ser
v
ice Checklist .................... 88
SECTION 24: RAPID
®
2000-Series Start-Up Procedures... 90
SECTION 25: The RAPID
®
2000-Series Warranty................ 92