Honeywell Aquastat L8148A Product Data

Honeywell Aquastat L8148A Product Data

Immersion type hydronic controllers
http://waterheatertimer.org/Contactors-relays.html
® U.S. Registered Trademark
Copyright © 2001 Honeywell • All Rights Reserved
Horizontal
Mounting
Vertical
Mounting
Aquastat® Relays

APPLICATION

The L8148 Aquastat® Relays are immersion type hydronic
controllers that combine high limit protection with switching
relay control of burner and circulator motors.

FEATURES

• All models are used with a 24 Vac thermostat.
• Models include special terminals for adding remote,
low limit temperature control.
• L8148E,J have terminals for adding zone valve system
wiring.
• L8148E models are available with plug for connecting
Aquastat¨ Relay directly to D892/M892 Vent Dampers.
• All devices include transformer to provide power for
the low voltage control circuit. Different models
provide switching of line, low, or millivoltage burner
circuit.
• Case available for horizontal or vertical mounting.
• Combinations of two insulation and two insertion well
lengths are available.
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Setting and Adjustments .................................................. 12
Operation .......................................................................... 12
Checkout .......................................................................... 12
L8148A,E,J
PRODUCT DATA
Contents
60-2278-9
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Summary of Contents for Honeywell Aquastat L8148A

  • Page 1: Table Of Contents

    • Combinations of two insulation and two insertion well lengths are available. Contents Application ................ Features ................Specifications ..............Ordering Information ............Installation ................ Setting and Adjustments ..........12 Operation ................12 Checkout ................12 ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved 60-2278-9...
  • Page 2: Specifications

    Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
  • Page 3 Models available with plug for connecting L8148E directly to the D892/M892 Vent Dampers. Models available with plug (L8148E) and 50 VA transformer are for use with the Honeywell SV9500/SV9600 SmartValve® System Control. No zone valves or relays can be powered from the L8148 when used with SV9500/SV9600 gas valves.
  • Page 4: Installation

    L8148A,E,J AQUASTAT® RELAYS INSTALLATION When Installing this Product… 1. Read these instructions carefully. Failure to follow them VOLTAGE could damage the product or cause a hazardous BARRIER condition. 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application.
  • Page 5 L8148A,E,J AQUASTAT® RELAYS Wiring 8. Fit the case onto the well so the clamp on the case slides over the flange on the well. Tighten the clamp screw securely. IMPORTANT Terminals on the L8148 Aquastat¨ Relay are IMPORTANT approved for use with only copper wire. The Best thermal response is obtained with a well that terminals allow only wrap-around wiring.
  • Page 6 L8148A,E,J AQUASTAT® RELAYS BACK OF IMMERSION CONTROLLER WELL CLAMP CONTROLLER CASE BOILER CASE IMMERSION WELL CLAMP IMMERSION ADAPTER WELL SPUD IMMERSION ADAPTER WELL CLAMP OLD IMMERSION SENSING SCREW WELL ASSEMBLY BULB HEAT-CONDUCTIVE COMPOUND BEND THE CAPILLARY TUBE TO HOLD THE SENSING BULB IN GOOD CAPILLARY THERMAL CONTACT WITH THE IMMERSION WELL AT POINTS (A) AND (B).
  • Page 7 L8148A,E,J AQUASTAT® RELAYS THERMOSTAT L8148A HIGH LIMIT L6006 LOW LIMIT CONTROLLER TO LINE VOLTAGE OIL BURNER RELAY OR GAS VALVE CIRCULATOR JUMPER POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOADPROTECTION AS REQUIRED. REMOVE JUMPER WHEN ADDING L6006 LOW LIMIT CONTROLLER. CONTROL CASE MUST BE CONNECTED TO EARTH GROUND.
  • Page 8 L8148A,E,J AQUASTAT® RELAYS T87F T87F T87F THERMOSTAT ZONE 1 ZONE 2 ZONE 3 L8148E V8043F V8043F V8043F END SWITCH END SWITCH END SWITCH TH-TR TH-TR TH-TR HIGH LIMIT L6006 LOW LIMIT CONTROLLER L8148E CIRCULATOR (HOT) (HOT) THTR HIGH LIMIT LOW VOLTAGE GAS VALVE (eg, VR8300) C1 C2...
  • Page 9 L8148A,E,J AQUASTAT® RELAYS T87F T87F T87F R845 RELAY R845 R845 PUMP PUMP PUMP (HOT) L8148E LOW VOLTAGE GAS VALVE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND THTR (eg, VR8300) OVERLOAD PROTECTION AS REQUIRED. CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED.
  • Page 10 CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED. M2298D B1 IS 1/4 IN. TAB TERMINAL. Fig. 11. Wiring L8148E with S8610A,F Intermittent Pilot Ignition Module with automatic vent damper plug and Honeywell D892/M892 Vent Damper. 24 VAC THERMOSTAT 197516A...
  • Page 11 L8148A,E,J AQUASTAT® RELAYS THERMOSTAT L8148J L6006 LOW LIMIT CONTROLLER HIGH LIMIT MILLIVOLTAGE GAS VALVE POWERPILE® C1 C2 CIRCULATOR LOW VOLTAGE GAS VALVE THTR POWER SUPPLY. PROVIDE DISCONNECT MEANS (eg, VR8300) (HOT) AND OVERLOAD PROTECTION AS REQUIRED. L8148J REMOVE Z-W JUMPER IF SERIES 60 LOW LIMIT IS USED. WIRE LOW LIMIT CONTROLLER OR ZONE VALVES AS SHOWN.
  • Page 12: Setting And Adjustments

    Put the system in operation and observe through at least one complete cycle to be sure all equipment functions as described in the Operation section. Automation and Control Solutions Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A.

This manual is also suitable for:

Aquastat l8148eAquastat l8148jTradeline aquastat l8148aTradeline aquastat l8148eTradeline aquastat l8148j