Leslie Controls Temperature Fixed and Adjustable Proportional band type - Manual

TEMPERATURE
Fixed and Adjustable Proportional Band Types
TABLE OF CONTENTS
INTRODUCTION........................................................................................................................................2
INSTALLATION .........................................................................................................................................3
OPERATION ...............................................................................................................................................3
WIDENING PROPORTIONAL BAND – RTP, DTP, ETC . ..................................................................6
MAINTENANCE .........................................................................................................................................6
DISMANTLING.......................................................................................................................................6
CLEANING ..............................................................................................................................................6
REASSEMBLY ........................................................................................................................................6
HOW
TO SET LEVER CLEARANCE ..................................................................................................7
LEVER CLEARANCE ADJUSTMENT ...............................................................................................7
For Reverse Acting Types – R, RT, RTP, etc. ............................................................................................7
For Direct Acting Types – D, DT, DTP, etc. ..............................................................................................7
ADJUSTING PROPORTIONAL BAND MECHANISM ....................................................................8
PARTS LIST ..............................................................................................................................................10
LIST OF ILLUSTRATIONS
F IGURE 1 - T EMPERATURE P ILOT I NSTALLATION D ETAILS ..............................................................................3
F IGURE 2 - T YPICAL I NSTALLATION ON S TORAGE H EATER .............................................................................3
F IGURE 3 - T YPE RTP T EMPERATURE P ILOT WITH C LASS GPK C ONTROL V ALVE ..........................................3
F IGURE 4 - T EMPERATURE C ONTROL S YSTEM UNSING T EMPERATURE P ILOT AS A IR T EMPERATURE P ILOT AS
A IR T EMPERATURE T RANSMITTER .........................................................................................................4
F IGURE 5 - T EMPERATURE P ILOT CONTROLLING ON I NSTANTANEOUS H EATER IN CONJUNCTION WITH A
D IFFERENTIAL P RESSURE P ILOT ..............................................................................................................4
F IGURE 6 - T YPE R AND D S ECTIONALS ..........................................................................................................5
F IGURE 7 - B ODY ASSEMBLY RTP - DTP T YPES .............................................................................................7
F IGURE 8 - L OCATION OF M INIMUM B AND S ETTING .......................................................................................8
F IGURE 9 - L OCATION OF M AXIMUM B AND S ETTING ......................................................................................8
F IGURE 10 - A DJUSTABLE P ROPORTIONAL B AND T YPE DTP ..........................................................................9
F IGURE 11 - A DJUSTABLE P ROPORTIONAL B AND T YPE RTP ..........................................................................9
12501 Telecom Drive, Tampa Florida 33637
Installation, Operating and
Maintenance Instructions
Supplement
20/5.5.1
Rev. 1