Honeywell L8148E Bedienungsanleitung

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INSTALLATION INSTRUCTIONS

95-6940-12

L8148A,E,J

Aquastat® Relays

APPLICATION

The L8148A,E,J Aquastat® Relays are immersion-type

controllers for use with forced hydronic heating systems.

The combination high limit and intermediate switching

relay works with a low voltage (24V) thermostat to control

burner and circulator circuits. A call for heat by the

thermostat starts both the burner and the circulator.

When boiler-water temperature exceeds the high-limit

settings, the burner circuit is broken; the circulator

continues to operate during the thermostat call for heat.

The L8148A controls line-voltage burner circuits; the

L8148E,J control low-voltage burner circuits; the L8148J

controls millivoltage burner circuits. All models control

line-voltage circulator circuits.

L8148A,E,J have provisions for adding low-limit

controllers; L8148E,J can power valves in multizone

systems.

L8148E is available with a plug and 50 VA transformer for

use with Honeywell Smart Valve SV9500/SV9600.

SPECIFICATIONS

Electrical Ratings:

Table 1. Circulator Control Circuit (A):

Table 2. Burner Control Circuit:

Scale Range: 140°F to 240°F (60°C to 116°C) or 180°F

to 240°F (82°C to 116°C).

Differential: Nonadjustable.

High Limit Dial Stop: Adjustable.

Maximum Pressure on Immersion Well: 255 psi (1758

kPa).

Maximum Ambient Temperature: 150°F (66°C) with

1.2A, 24V load; 77°F (25°C) with 1.4A, 24V load.

Maximum Bulb Temperature: 40°F over setpoint, up to

265°F (4°C over setpoint, up to 129°C).

Thermostat Heat Anticipator Setting: 0.2A.

Material Safety Data Sheets (MSDS): For information

on heat-conductive compound, see form number

69-0955.

INSTALLATION

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 the instructions and on

the product to make sure the product is suitable for

your application.

3.Installer must be a trained, experienced service

technician.

4.After installation is complete, check out product

operation as provided in these instructions.

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.

Type120 Vac240 Vac

Full Load7.43.7

Locked Rotor44.422.7

Model No.VoltageElectrical Rating

L8148ALineSame as circulator control

circuit.

L8148E,JLow0.8A maximum at 24 Vac.

Produktspezifikationen