
Form I-PDH/SDH/PEH/SHH/PXH, Page 71
Index
A
Accessories 7
Adjusting Water Flow Over Pad
31, 32
Analog Controls 51, 52
Analog Control System 46
AquaSaver Microprocessor 32
B
Belts and Belt Tension 42
Bleed Off 31
Adjusting Blower Speed 42
Blower Rotation 42
Burner Condensate Drain 20
C
California Warning 5
Checklist Prior to Startup 62
Chilled Water Cooling Coil Mod-
ule 35
Hazards of Chlorine 5
Clearances 7
Combustion Air Inlet/Vent Ter-
minal Kit 6
Combustion Air Pressure
Switch 47
Combustion Air Requirements -
Model PDH 21, 22
Commissioning and Startup 62
Compressor 49
Reheat Compressor Wiring 44
Heat Section Condensate Drain
20
Secondary Heat Exchanger
Condensate Drain Connec-
tion 21
Condensate Drain(s) 19, 20
Condensate Drain Pressure
Switch - Model SHH 48
Condensate Drains - Model
SHH 20
Condensate Drain Trap 21, 35
Configurations and Dimensions
8
Confined Space 22
Contact 72
Control Manuals 3
Controls and Operation 51
Convenience Outlet 50
Cooling Coil Module Dimen-
sions 34
Cooling Module 33
Cooling Module Condensate
Drain 35
Corner Weights 10
D
Two-Position Damper with Duct
Flange 23
Damper and Control Options
25, 26, 28
Damper Linkage 25
Room Dehumidistat 59
Derate by Valve Outlet Pressure
Adjustment 17
Digital Controls 53
Digital Control Signal Wiring
45
Digital Control System 46
Dip Switch 60
Dirty Filter Switch 50
Discharge Air Sensor 38
Discharge Duct Flange 36, 38
Discharge Ductwork 37
Discharge Nozzles 40
Discharge Temperature Low
Limit (Freezestat) 50
Disconnect Switch 44
Drain Trap 35, 36
Drives 42
Duct Flange 41
Ductstat 51
Connecting Discharge Duct-
work 37
DX Cooling Coil Module 34
E
Economizer Logic Module 27
Electrical Supply and Wiring
43
Electric Heating Elements -
PEH 48
Electric Heat Model PEH with
Option D12D 58
Enthalpy Control Sensor
Installation 27
Enthalpy Sensor(s) 27
Evaporative Cooling Module
29, 30, 32
Evaporative Cooling Module
Dimensions 29
Exhaust Fan Interlock 50
F
Fill and Drain Valves 30
Filter Quantity and Sizes 23
Filter Rack and Filters 23
Firestat 50
Float and Pump Control Sys-
tem 31
Float Valve 31
Forklift Holes 11
Freeze Protection Kits 30
FX05 programmable control
53, 57
FX06 Programmable Control-
ler 57
G
Gas Connection Sizes 13
Gas Controls 51
Gas Pressure Safety Switches
19
Gas Supply and Connections
13
Gas Supply Lines 13
H
Hammer Arrestor 31
Corner Hangers 11
Side Hangers 11
HAZARD INTENSITY LEV-
ELS 2
Hazard Labels and Notices 2
High Altitude Capacity Changes
18
High Altitude Operation 16
High Ambient Limit Control
(burner cutoff) 50
Hot Water Heat Module 40
I
Ignition System 59, 60
Ignititon Control Module 59
Ignititon Control Module used in
Deep Modulation Control 60
Ignitor Location 61
Inlet Duct Flange 22
Installation Codes 4
Installation Information 3
L
LED Codes 60
Lifting 10
High Temperature Limit Control
47
Location 5
Louvers 36, 41
M
Massachusetts Requirement 5
Mechanical 13
Mixing Box 24, 26, 28
Mixing Box Configurations 24
Mixing Box Damper 62
Mixing Box Dimensions 24
Modulation Gas Control 52, 53
Blower Motor 48
Mounting 12
Moving 5
N
Nozzles 40, 41
O
Option Identification 68
Overflow and Drain 31
P
Phase Loss or Low/High Volt-
age Protection 45
Preparing for Installation 5
Pressure Drops for Clean Fac-
tory-Installed Filters 23
Pressure/Temperature Chart
69
Pressure Null Switch 26
Pressure Settings 14
Pressure Switch Settings 47
Psychometric Chart 28
R
Receiving 5, 6
R410A refrigerant 49
Reheat 49
Relative Humidity Sensor 59
Remote Console 49, 50
Remote User Interface 59
Resistance VS Temperature 39
Reverse Airflow Limit Control
47
Room Command Module 46,
54
S
SCR Power Control and
Heatsink 59
Separated-Combustion 4
Service Clearances 7
Shipped-Separate or
Shipped-Loose Items 6
Single-Stage Operation 51
Smoke Detector 50
Space Mounted Accessories
for D12 Control Options 59
Space Temperature Sensor
59
Spark Gap 61
Special Installations 4
STARTUP FORM 67
Startup Warnings and
Checklist 63
Storage 7
Checking and Adjusting the
Subcooling 66
Subcooling 69
Checking and Adjusting the
Superheat 66
Superheat 69
Suspension 10
Suspension Pt Dimensions
11, 12
Door Switch 48
T
Two-Speed Venter System
52, 54
Two-Stage Operation 51
U
Ultra-Violet Light 36
Uncrating 5
Unit Discharge 36
V
Valve Outlet Pressure Set-
tings by Elevation 17
Variable Frequency Drive 42
Two-Speed Venter System
52
Venter Speed Control Board
52
Venting Manual 3
Vent Pipe Condensate Drain
Trap 21
Vent Temperature Limit
Switch, Model SHH 48
Voltage Imbalance 44
W
Warranty 4
Water Connections 30
Weights 10
Control Wiring 45, 46
Supply Wiring 44
Wiring Diagram 45