j)Reverse above procedure to
9.Fast Response Temperature Sensor Module Replacement
a)
b)Remove control cover screws and open control compartment.
c)Disconnect wiring connections to the board.
d)Carefully pull out the control board from the nylon pin supports.
e)Reverse above procedure to
10.Fast Response Temperature Sensor Probe Replacement
a)Shut off electrical power to the boiler.
b)Shut off water supply to the boiler and open drain valve to remove water to the sensor probe level.
c)Remove control cover screws and open control compartment.
d)Disconnect wire leads from control board.
e)Remove upper access panel.
f)Remove sensor probe from in/out header.
g)Reverse above procedure to
11.Circulator Replacement
a)Shut off electrical power to the boiler.
b)Shut off water supply and open drain valve to remove water in the piping at the pump level.
CAUTION: To avoid damage to electrical components keep water from getting into the control compartments and gas valve.
c)Disconnect wiring and conduit connections to the pump.
d)Disconnect the
e)Remove the nuts and bolts at the inlet and outlet flanges. Remove old gaskets.
f)Remove the pump.
g)Reverse the above procedure to
and bolts.
12.
a)Shut off electrical power to the boiler.
b)Remove control cover screws and open con- trol compartment.
c)The control is factory set at 160°F. To reset to another setting, use a small screw driver
and turn dial clockwise 
to lower the
temperature or | to |
raise the setting. |
|
d)To replace the staged controller, disconnect the wiring connections.
e)Remove screws (2) holding the staged controller.
f)Remove upper access panel.
g)Remove the wedge or retaining clip holding the sensing bulb in the control well in the in/ out header.
h)Pull out the sensing bulb carefully from the control well.
i)Remove the staged control with capillary from unit.
j)Reverse above procedure to
6. REPLACEMENT PARTS LIST
NOTE: To supply the correct part it is important that you state the model number, serial number and type of gas when applicable.
Any part returned for replacement under standard company warranties must be properly tagged with RAYPAK return parts tag, completely filled in with the heater serial number, model number etc., and shipped to the Company freight prepaid.
If determined defective by the Company and within warranty, the part will be returned in kind or equal substitution, freight collect. Credit will not be issued.
RAYPAK, INC.
31111 Agoura Road
Westlake Village, CA 91361-4699
34
