Desa Air Conditioner - Manual (Page 5)

www.desatech.com 113893-01B 5
1. Provide propane supply system (see Propane
Supply, page 4).
2. Connect fuel gas connector fitting on
hose/regulator assembly to propane tank(s).
Turn counterclockwise into threads on
tank valve. Tighten firmly using wrench.
IMPORTANT: Tighten regulator with vent
pointing down. Pointing vent down protects
regulator from weather damage.
3. Connect hose to inlet connector. Tighten
firmly using a wrench. IMPORTANT: Extra
hose or piping may be used if needed. Install
extra hose or piping between hose/regulator
assembly and propane tank. You must use the
regulator supplied with heater.
4. Open propane supply valve on propane tank(s)
slowly. Note: If not opened slowly, excess-
flow check valve on propane tank may stop
gas flow. If this happens, close propane supply
valve and open again slowly.
5. Check all connections for leaks.
6. Close propane supply valve.
INSTALLATION
Continued
Figure 4 - Hose and Inlet Connector
(Heater may vary from illustration)
Hose Inlet Connector
Figure 3 - Regulator With Vent Pointing
Down
Propane
Tank
Hose
Regulator
Vent
(pointing
down)
Fuel Gas
Connector
Supply
Valve
VENTILATION
WARNING: Follow the mini-
mum fresh, outside air ventila-
tion requirements. If proper
fresh, outside air ventilation is
not provided, carbon monoxide
poisoning can occur. Provide
proper fresh, outside air ventila-
tion before running heater.
Provide a fresh air opening of at least three square
feet for each 100,000 Btu/Hr (105,500 k/j) rat-
ing. Provide extra fresh air if more heaters are
being used.
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information section, page
2. They are needed to safely op-
erate this heater. Follow all local
codes when using this heater.
TO START HEATER
1. Follow all installation, ventilation and safety
information.
2. Locate heater on stable and level surface.
Make sure strong drafts do not blow into front
or rear of heater.
3. Plug power cord of heater into a three-prong,
grounded extension cord. Extension cord must
be at least six feet (1.83 m) long, UL/CSA
listed and of a proper size.
Extension Cord Size Requirement
Up to 100 feet (30.5 m) long, use 16 AWG
rated cord.
101 to 200 feet (30.78 to 61 m) long, use 14
AWG rated cord.
4. Plug extension cord into a 120 volt/60 hertz,
three-hole, grounded outlet. Motor will start.
Fan will turn, forcing air out front of heater.
5. Open propane supply valve on propane
tank(s) slowly. Note: If not opened slowly,
excess-flow check valve on propane tank will
stop gas flow. You may hear a click from the
excess-flow check valve closing. If this hap-
pens, reset the excess-flow check valve by
closing propane supply valve and open again
slowly.