Mighty Therm AP Troubleshooting Guide download pdf (Page 10)

LAARS HEATING SYSTEMS

Page 10

Figure 10. Boiler By-Pass Piping.

2.8 Temperature Sensor Placement

and Installation

A temperature sensor with 15 feet (5m) of cable

and an immersion well assembly are supplied with the

boiler. These must be installed in the field. Refer to

Figures 10 through 12.

1. The immersion well body is provided with a 1/2"

NPT. Mount the immersion well on the

underside of the filter circulation piping, just

upstream of the boiler inlet tee as close to the

boiler as possible (see Figure 11). DO NOT

INSTALL in secondary piping or downstream

of the boiler inlet tee.

2. Thread the spring and retainer onto the sensor

cable and secure sensor into the immersion well.

3. Route cable to heater control panel in a location

where it will not be subject to damage. Secure

with nylon cable ties.

2.9 Automatic Chlorinators

A concentration of chlorine in the heater can be

very destructive, therefor the following rules about the

installation and operation of such devices must be

followed:

1. The chlorinator should be installed so it

introduces the gas or solution downstream from

the boiler.

Figure 11. Heater Piping Arrangement.

Suggested By-Pass Loop Fitting

Item Description Material

1 2½" Elbow (See Note) 2½" S-80

2 2½" x 2" Reducing

Bushing (See Note) CPVC

3 2½" Tee (All Sizes) Copper is

optional

4 2½" Tee (See Note)

A, B,

C, D

2½" Ball Valve (See Note)

Note: 2" pipe, fittings and valves are optional for indoor size

(500 through 1430) and outdoor size (500 through 1010).

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 27 28

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Mighty Therm AP Troubleshooting Guide Page 10

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