Chromalox CHPES-6A manual Renewal Parts Identification, Read Completely Before Starting Work

MAINTENANCE

READ COMPLETELY BEFORE STARTING WORK

1.Disconnect boiler from electric power supply at main safety switch or fuse panel. Then, turn boiler switch to “off” position.

2.On automatic feed units, close valve on incoming water line. Drain boiler completely of water.

3.Open boiler door to expose heating element.

4.Disconnect wire (electric) leads connecting element to main power system of boiler. Again note wire connections to facilitate reassembly. Proceed to remove (6) 5/16-18 bolts from flange.

5.Thoroughly clean boiler flange of all foreign material. Be certain no part of old gasket remains on boiler flange.

6.Apply “Slic-Tite” Gasket Compound or equal to both surfaces of new gasket with supplied replacement element. Proceed to install element flange assembly with gasket between boiler flange and element flange. In doing this, be careful to align flange holes so wire connection terminals on element assembly are in line with previously disconnected wire leads to facilitate easy connections.

7.When all (6) flange bolts are tight, connect all wires to terminals.

Make certain wires are clean and bright to assure good electrical contact and nuts on screws are firmly secured.

WARNING: Avoid use of chemical cleaning com- pounds. Follow maintenance instructions.

8.Open water valve so water supply can reach boiler feed mecha- nism.

9.Put main safety switch to “on” position.

10.Turn boiler to “on” position.

11.As boiler automatically refills, observe the new flange assemble for possible leaks. If water is noticed, to bolts must be retightened. Before doing this, turn the boiler off at the main fuse safety switch.

12.As boiler is heated to working pressure, check flange assembly again for leaks.

WARNING: Avoid the use of chemical cleaning com- pounds. Follow maintenance instructions

RENEWAL PARTS IDENTIFICATION

Safety Valve

Operating Pressure Control

Range 10-300 Psi

Manual Reset High

Limit Control

Steam Outlet

Pressure Gauge, 0-600 Psi

On/Off Switch and

Pilot Light

Water Level Sight Glass

McDonnell & Miller #194

Low Water Cutoff/Pump

Check Valve/Water Inlet (not shown)

Drain Blowdown Valve

Drain Blowdown Valve

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