Reznor LDAP Unit Installation Manual - Manual (Page 2)

Form I-LDAP, P/N 207733R6, Page 2
WARNING: Gas-fired appliances are not designed for use
in hazardous atmospheres containing flammable vapors or
combustible dust, in atmospheres containing chlorinated or
halogenated hydrocarbons, or in applications with airborne
silicone substances. See Hazard Levels, above
WARNING: Should overheating occur, or the gas supply fail
to shut off, shut off the manual gas valve to the appliance
before shutting off the electrical supply.
Hazard Levels of
Warnings in this
Manual
HAZARD INTENSITY LEVELS
1. DANGER: Failure to comply will result in severe personal injury or
death and/or property damage.
2. WARNING: Failure to comply could result in severe personal injury
or death and/or property damage.
3. CAUTION: Failure to comply could result in minor personal injury
and/or property damage.
1.0 General 1.1 Hazard Labels and Notices
There are warning labels on the unit and throughout this manual. For your
safety, read the definitions below and comply with all boxes labeled CAUTION,
WARNING, and DANGER during installation, operation, maintenance, and
service of this heater
1.0 General ............................................................. 2-3
1.1 Hazard Labels and Notices...................................... 2
1.2 General Installation Information ............................. 3
1.3 Warranty .................................................................... 3
1.4 Installation Codes .................................................... 3
2.0 Heater Location ................................................ 3-6
2.1 General Recommendations ..................................... 3
2.2 Combustion Air ........................................................ 4
2.3 Heater Throw ........................................................... 5
2.4 Mounting Height ....................................................... 5
2.5 Sound Data ............................................................... 6
3.0 Uncrating and Preparation .............................. 6-7
3.1 Uncrating and Inspection ........................................ 6
3.2 Preparing for Installation ......................................... 6
3.3 Preparing for High Altitude Operation ................... 6
4.0 Clearances and Dimensions ........................... 7-8
4.1 Clearances ................................................................ 7
4.2 Dimensions - Model LDAP 400 ................................ 7
4.3 Dimensions - Models LDAP 800 and 1200 ............. 8
5.0 Hanging or Mounting the Heater .................... 8-9
5.1 Weight (lbs/kg) .......................................................... 8
5.2 Suspending the Heater ............................................ 8
5.3 Wall Mounting ........................................................... 9
6.0 Mechanical ................................................... 10-19
6.1 Gas Piping and Pressures ..................................... 10
6.2 Unit Discharge ........................................................ 14
6.3 Venting .................................................................... 16
7.0 Electrical and Wiring ................................... 20-26
7.1 Supply Wiring ......................................................... 20
7.2 24V Control Wiring ................................................. 20
7.3 Fan Motor(s)............................................................ 23
7.4 Wiring Diagrams ..................................................... 23
8.0 Controls and Operation ............................... 27-31
8.1 Combustion Air Proving [Pressure Switch(es)] .. 27
8.2 Limit Control ........................................................... 27
8.3 High Limit Control .................................................. 28
8.4 Adjustable Air Destratification Fan Control ........ 28
8.5 Ignition System....................................................... 28
9.0 Check Installation and Startup ................... 32-34
9.1 Check the installation prior to startup: ................ 32
9.2 Heater Startup and Warnings ................................ 32
9.3 Check installation after Startup ............................ 33
10.0 Maintenance and Service .......................... 34-42
10.1 Maintenance Procedures ..................................... 34
10.2 Troubleshooting .................................................. 41
APPENDIX ............................................................... 43
Index ........................................................................ 43
INSTALLATION RECORD ...................................... 44
WARNING: Do not
use this appliance
if any part has
been under water.
Immediately
call a qualified
service technician
to inspect the
appliance and
replace any gas
control that has
been under water.
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