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R8182D,E,F,H,J COMBINATION PROTECTORELAY™ AND HYDRONIC HEATING CONTROLS
5 68-0105—2
Fig. 7. Internal view of R8182H.
Fig. 8. Internal view of R8182J.
INSTALLATION
WARNING
Explosion Hazard.
Can cause severe injury, death or property
damage.
This product is intended for use only in systems with a
pressure relief valve.
When Installing this Product…
1. Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
2. Check the ratings given in these instructions and on the
product to be sure the product is suitable for your
application.
3. The installer must be a trained, experienced service
technician.
4. After completing installation, use these instructions to
check product operation.
WARNING
Explosion or Electrical Shock Hazard.
Can cause severe injury, death or property
damage.
1. Disconnect the power supply before beginning
installation to prevent electrical shock or equipment
damage.
2. Be sure that combustion chamber is clear of oil or
oil vapor before starting burner.
3. Be sure that the ambient temperature at the
element will not exceed 250°F (121°C).
IMPORTANT
Be sure that the sensing bulb fits snugly inside the
immersion well and that the sensing bulb rests
against the bottom of the immersion well. Refer to
Fig. 9.
Mounting the R8182
1. Disconnect the power supply.
2. Drain all water from the boiler.
3. Generally, boilers are equipped with a tapping that
allows horizontal mounting of the immersion well where
average temperature boiler water circulates freely. If no
tapping is provided, prepare one.
4. Install the immersion well or compression fitting
(ordered separately) by threading the immersion well
into the tapped hole.
5. For R8182D,E,F models:
a. Loosen the immersion well clamp screw on the side
of the R8182 case.
b. Insert the bulb into the immersion well until it
bottoms.
c. If necessary, bend the capillary tube to hold the bulb
against the bottom of the immersion well.
M4524
SAFETY SWITCH
RESET BUTTON
DIFFERENTIAL
SETTING
CIRCULATOR
RELAY (1K)
LOW LIMIT
SETTING
HIGH LIMIT
SETTING
VOLTAGE BARRIER
BURNER MOTOR
AND IGNITION
RELAY (2K)
TRANSFORMER
FOR THERMOSTA
T
CIRCUIT
TRANSFORMER FOR
CAD CELL CIRCUIT
CAD CELL
LEADS (YELLOW)
M4531
SAFETY SWITCH
RESET BUTTON
AQUASTAT SWITC
H
1K RELAY
HIGH LIMIT
SETTING
VOLTAGE BARRIE
R
TRANSFORMER
FOR THERMOSTA
T
CIRCUIT
TRANSFORMER
FOR CAD CELL
CIRCUIT
CAD CELL LEADS (YELLOW)
2K RELAY