Operating instructions

Dayton Operating Instructions and Parts Manual
6
Dayton Propane
Construction Heater
®
4E236C
Operation (Continued)
NOTE: Higher regulator setting will
allow heater to produce more heat.
Do not adjust
regulator below 7
psiG or above 20 psiG. Heater may not
run properly.
7. Turn on/off switch to the ON posi-
tion. Adjust thermostat to desired
setting. If heater does not start,
thermostat setting may be too low.
Turn thermostat knob to higher
position to start heater.
NOTE: If heater does not start, turn on/
off switch to the OFF position. Wait
ten seconds for safety control to reset,
then try again.
SERVICE PROCEDURE
Motor
Wires
Thermal
Switch Wire
4. Remove fan guard from rear of heater.
5. Reach into rear of heater shell.
Carefully pull motor wires through
hole in bottom of shell (See Figure 7,
page 7).
Figure 6 - Location of Motor Wires
Never service
heater while it is
plugged in, connected to propane
supply, operating, or hot. Severe burns
and electrical shock can occur.
CLEANING FAN
Clean fan every 500 hours of operation
or as needed.
1. Remove screws on side cover using
5/16" nut-driver.
2. Remove side cover.
3. Detach the five motor wires from
parts under heater shell. Be sure to
detach only wires coming from motor.
The five motor wires are:
• white wire—to terminal board
• black wire—to terminal board
• blue wire—to thermal switch wire
• orange wire—to solenoid valve
• green wire—to grounding screw
on shell
Grounding
Screw
Terminal
Board
Solenoid
Valve
TO STOP HEATER
1. Tightly close propane supply valve on
propane tank(s).
2. Wait a few seconds. Heater will burn
gas left in supply hoses.
3. Turn on/off switch to the OFF position.
4. Unplug heater.
TO RESTART HEATER
If safety control stops gas flow to heater,
motor will continue to run. To restart heater:
1. Turn on/off switch to the OFF position.
2. Wait ten (10) seconds, then turn on/
off switch to the ON position.
If heater does not restart
• Check manual valves (if any) and
supply valves (on propane tank).
Make sure they are open.
• Check fuel level in propane tank(s).
If fuel level is too low, contact local
propane gas company.
If heater still does not restart, contact
your local service center.
Never service
heater while it is
plugged in, connected to propane
supply, operating, or hot. Severe burns
and electrical shock can occur.
1. Keep heater clean.
2. Inspect heater before each use.
Check connections for leaks. Apply
mixture of liquid soap and water to
connections. Bubbles forming show
a leak. Correct all leaks at once.
3. Inspect hose/regulator assembly
before each use. If hose is highly
worn or cut, replace.
4. Have heater inspected yearly by
service agency.
5. Keep inside of heater free from
combustible and foreign objects.
Maintenance
Disconnect heater
from propane
supply tank(s).
1. Store propane tank(s) in safe manner. See
Chapter 5 of Standard for Storage and
Handling of Liquefied Petroleum Gases,
ANSI/NFPA 58. Follow all local codes.
2. Place plastic cover caps over brass
fittings on inlet connector and hose/
regulator assembly.
3. Store in dry, clean, and safe place. Do
not store hose/regulator assembly
inside heater combustion chamber.
4. When taking heater out of storage, al-
ways check inside of heater. Insects and
small animals may place foreign objects
in heater. Keep inside of heater free
from combustible and foreign objects.
Storage