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Tech Bulletins

/Tech Bulletins

011 – WARNING OF MIS-WIRING POTENTIAL WITH HONEYWELL 7184P AND 8184P VALVE DELAY ON / MOTOR DELAY OFF (PRE / POST PURGE) CONTROLS

In a technical bulletin published by another burner manufacturer an explanation of the wiring colors for pre/post purge cad cell controls was given. That bulletin stated that the limit wire on the control was "commonly red" and the L1 power was "commonly black". I feel it is IMPERATIVE that I correct that statement to avoid [...]

010 – THE IMPORTANCE OF REPLACING PRE / POST PURGE, INTERRUPTED DUTY IGNITION CONTROLS WITH PRE / POST PURGE, INTERRUPTED DUTY IGNITION CONTROLS

Did you ever wonder why many of the largest cast iron boiler manufacturers in the country are making pre/post purge, interrupted duty ignition cad cell controls STANDARD on their oil fired residential boilers? These controls offer micro-processor based operating systems, pre-purge, post-purge, interrupted duty ignition, fifteen second safety timings, alarm contacts, diagnostic LED lights, serviceman [...]

009 – CARLIN PSC MOTOR FOR EZ-1-2-3 99FRD 100CRD 102CRD P/N 98022

We are pleased to introduce the Carlin Permanent Split Capacitor (PSC) Motor. This motor is NOW the standard motor on burner models EZ1, EZ2, EZ3, 99FRD, 100CRD and 102CRD Carlin Burners. There are several differences between the standard split phase burner motors and the permanent split capacitor motor. Some of these differences involve the motor [...]

007 – CARLIN / WEIL-MCLAIN 60200-02 CAD CELL CONTROL WIRING WITH POWER VENTERS

We have had an increased number of Tech Hot-Line calls recently dealing with the issue of wiring of power venters with the Carlin controls. With the new Weil-McLain version of our control now available I thought this was a good time to revisit the issue of power venter wiring and clear up any and all [...]

005 – ADDITIONAL ISOLATION RELAY ADDED TO 60200-02 CONTROL PACKAGES ON LARGE COMMERCIAL BURNER PACKAGES

As of this date, Carlin's Engineering Department is announcing the addition of an isolation relay to be added to all large commercial step-modulating burner packages using the Carlin 60200-02 cad cell control. The isolation relay is wired into the oil valve circuit or the violet wire of the 60200-02 control. The isolation relay is mounted [...]