Robertshaw 720 Series Installation and user guide

INSTALLATION DATA
720 SERIES
DUAL VALVE GAS HEATING CONTROLS
The Robertshaw® 720 Series Gas Controls are designed for a wide
ǀĂƌŝĞƚLJŽĨŚĞĂƟŶŐĂƉƉůŝĐĂƟŽŶƐĂŶĚĐĂŶďĞƵƐĞĚƚŽƌĞƉůĂĐĞŵŽƐƚĚƵĂů
;ƐŝdžĨƵŶĐƟŽŶͿǀĂůǀĞƐdŚĞLJĂƌĞĂǀĂŝůĂďůĞŽŶůLJŝŶĂϮϰǀŽůƚŵŽĚĞůƵƐĞĚ
ǁŝƚŚĂĐŽŶƐƚĂŶƚƉŝůŽƚDŽĚĞůƐĂƌĞĂǀĂŝůĂďůĞǁŝƚŚĂŶĚǁŝƚŚŽƵƚĂƉƌĞƐƐƵƌĞ
ƌĞŐƵůĂƚŽƌhŶŝͲ<ŝƚƐΠĂƌĞĨĂĐƚŽƌLJƐĞƚĂƚϯϱtĨŽƌŶĂƚƵƌĂůŐĂƐďƵƚĐĂŶ
ďĞĐŽŶǀĞƌƚĞĚƚŽ>WďLJŝŶƐƚĂůůŝŶŐƚŚĞƌĞŐƵůĂƚŽƌĐŽŶǀĞƌƐŝŽŶŬŝƚŝŶĐůƵĚĞĚ
;^ĞĞZĞŐƵůĂƚŽƌŽŶǀĞƌƐŝŽŶƐĞĐƟŽŶͿ
dŚĞϳϮϬ^ĞƌŝĞƐƵƐĞĚǁŝƚŚĂĐŽŶƐƚĂŶƚƉŝůŽƚŝƐĂƐŝdžĨƵŶĐƟŽŶǀĂůǀĞ
ŝŶĐŽƌƉŽƌĂƟŶŐĂŵĂŶƵĂůǀĂůǀĞƐĂĨĞƚLJƐŚƵƚŽīŵĂŐŶĞƚĚƵĂůĂƵƚŽŵĂƟĐ
ǀĂůǀĞƐ;ŚĞŶĐĞƚŚĞƚĞƌŵĚƵĂůǀĂůǀĞƐͿŵĂŝŶŐĂƐƌĞŐƵůĂƚŽƌĂŶĚƉŝůŽƚ
ĂĚũƵƐƚŵĞŶƚ/ƚĨĞĂƚƵƌĞƐĂŶŝŶƚĞŐƌĂůŵĂŶƵĂůƐĞůĞĐƚŽƌƵƐĞĚƚŽƐĞůĞĐƚĨƌŽŵ
ĨŽƵƌŐĂƐŇŽǁƉŽƐŝƟŽŶƐͲŽīŽŶƉŝůŽƚĂŶĚƐĞƚdŚĞƐĞƚƉŽƐŝƟŽŶ
ƉƌŽǀŝĚĞƐƉŝůŽƚŽŶůLJŐĂƐŇŽǁĚƵƌŝŶŐŵĂŐŶĞƚĞŶĞƌŐŝnjŝŶŐĂŶĚůŽĐŬƵƉ
ƵŝůƚͲŝŶƐƚŽƉƐƐĞƌǀĞƚŽƉƌĞǀĞŶƚĂĐĐŝĚĞŶƚĂůƐĞƫŶŐƚŽƚŚĞŽīƉŽƐŝƟŽŶ
tŝƌŝŶŐĐŽŶŶĞĐƟŽŶƐŵĂŶƵĂůƐĞůĞĐƚŽƌĂŶĚĂĚũƵƐƚŵĞŶƚƐĂƌĞĞĂƐŝůLJ
ĂĐĐĞƐƐŝďůĞŽŶƚŚĞƚŽƉŽĨƚŚĞǀĂůǀĞtŝƚŚĂϯͲϵϭϲƐǁŝŶŐƌĂĚŝƵƐƚŚĞϳϮϬ
^ĞƌŝĞƐůĞŶĚƐŝƚƐĞůĨǁĞůůƚŽƌĞƉůĂĐŝŶŐŵĂŶLJKDǀĂůǀĞƐŽŶƚƌŽůƐĂƌĞ
ŵƵůƟƉŽƐŝƟŽŶĂŶĚĐĂŶďĞŵŽƵŶƚĞĚŝŶĂŶLJƉŽƐŝƟŽŶ;ĞdžĐĞƉƚƵƉƐŝĚĞĚŽǁŶͿ
dŽƉƌĞǀĞŶƚƵŶƐĂĨĞĂƩĞŵƉƚƐĂƚƌĞƉĂŝƌƐƉĞĐŝĂůƐĐƌĞǁƐĂƌĞƵƐĞĚĂŶĚ
ƌĞƉůĂĐĞŵĞŶƚƉĂƌƚƐĂƌĞEKdĂǀĂŝůĂďůĞ
SPECIFICATIONS
ůĞĐƚƌŝĐĂůZĂƟŶŐƐ ϮϰsϱĂŵƉƐ
WƌĞƐƐƵƌĞZĞŐƵůĂƚŽƌ
EĂƚƵƌĂů'ĂƐ   ĨĂĐƚŽƌLJƐĞƚĂƚϯϱt
>W'ĂƐ ĨĂĐƚŽƌLJƐĞƚĂƚϭϭϬt
WŝůŽƚKƵƚůĞƚ ϭϰƚƵďŝŶŐ
ŵďŝĞŶƚdĞŵƉĞƌĂƚƵƌĞͲϰϬΣƚŽϭϳϱΣ&
DĂdžŝŵƵŵ/ŶůĞƚWƌĞƐƐƵƌĞϳtͲŶĂƚƵƌĂůŐĂƐ
REGULATION CAPACITIES (BTU’S)
SIZE
TYPE GAS
NATURAL L.P.
MIN. MAX. MIN. MAX.
ϯϴdžϯϴ ϭϱϬϬϬ ϭϳϱϬϬϬ ϭϱϬϬϬ ϮϴϬϬϬϬ
ϭϮdžϯϴ ϭϱϬϬϬ ϭϳϱϬϬϬ ϭϱϬϬϬ ϮϴϬϬϬϬ
ϭϮdžϭϮ ϭϱϬϬϬ ϮϬϬϬϬϬ ϭϱϬϬϬ ϯϬϬϬϬϬ
ϭϮdžϯϰ ϭϱϬϬϬ ϮϬϬϬϬϬ ϭϱϬϬϬ ϯϬϬϬϬϬ
ϯϰdžϯϰ ϭϱϬϬϬ ϮϬϬϬϬϬ ϭϱϬϬϬ ϯϬϬϬϬϬ
PIPING
ϭŚĞĐŬƌĞƉůĂĐĞŵĞŶƚǀĂůǀĞĨŽƌŵƵůƟƉůĞŽƵƚůĞƚƐ;ƐŝĚĞŽƵƚůĞƚƐͿ/ĨŝƚŚĂƐ
ƚŚĞŵďĞƐƵƌĞĂůůƵŶƵƐĞĚŽƵƚůĞƚƐĂƌĞƉůƵŐŐĞĚƵƐŝŶŐƚŚĞƐŽĐŬĞƚƉůƵŐƐ
ƉƌŽǀŝĚĞĚ
ϮWŝƉĞŽƌƚƵďŝŶŐŵƵƐƚďĞĐůĞĂŶĂŶĚĨƌĞĞŽĨƐĐĂůĞĂŶĚĚŝƌƚ
ϯDĂŬĞƐƵƌĞŐĂƐƉŝƉŝŶŐŝƐƉƌĞƐƐƵƌĞƚĞƐƚĞĚďĞĨŽƌĞĐŽŶƚƌŽůŝƐĐŽŶŶĞĐƚĞĚ
,ŝŐŚƉƌĞƐƐƵƌĞĐĂŶĚĂŵĂŐĞĐŽŶƚƌŽůĐĂƵƐŝŶŐĂŚĂnjĂƌĚŽƵƐĐŽŶĚŝƟŽŶŽ
ŶŽƚƐƵďũĞĐƚĐŽŶƚƌŽůƚŽŵŽƌĞƚŚĂŶϭϮW^/;ϭϰtͿŝŶůĞƚƉƌĞƐƐƵƌĞ
ϰ/ĨŝƚŝƐŶŽƚĂůƌĞĂĚLJŝŶƐƚĂůůĞĚĂĚƌŝƉůĞŐ;ƐĞĚŝŵĞŶƚƚƌĂƉͿŵƵƐƚďĞ
ĂĚĚĞĚƚŽƚŚĞŐĂƐƐƵƉƉůLJůŝŶĞƚŽƚŚĞĐŽŶƚƌŽů;^ĞĞĮŐƵƌĞƚŽƚŚĞƌŝŐŚƚͿ
ůůƉŝƉŝŶŐŵƵƐƚĐŽŵƉůLJǁŝƚŚůŽĐĂůĐŽĚĞƐĂŶĚŽƌĚŝŶĂŶĐĞƐĂŶĚǁŝƚŚ
EĂƟŽŶĂů&ƵĞů'ĂƐŽĚĞ;E^/ϮϮϯϭE&WEŽϱϰͿ
INSTALLATION INSTRUCTIONS
Turn off gas supply and electrical power to equipment
before servicing.
CAUTION
d,/^s/^,Kh>/E^d>>zYh>/&/
d,E//Et/d,hZ'Z&KZ^&dz^/DWZKWZ
/E^d>>d/KEKh>Z^h>d/E,ZKh^KE/d/KE
ϱ hƐŝŶŐƉŝƉĞƚŚƌĞĂĚĐŽŵƉŽƵŶĚƐƵŝƚĂďůĞĨŽƌƚŚĞŐĂƐďĞŝŶŐƵƐĞĚĂƉƉůLJĂ
ƐŵĂůůĂŵŽƵŶƚŽŶƚŚĞŵĂůĞƉŝƉĞƚŚƌĞĂĚƐ;ŽŶŽƚƵƐĞdĞŇŽŶƚĂƉĞŽƌ
dĞŇŽŶĐŽŵƉŽƵŶĚͿ>ĞĂǀĞƚŚĞĮƌƐƚƚǁŽƚŚƌĞĂĚƐĐůĞĂŶEĞǀĞƌƵƐĞ
ĐŽŵƉŽƵŶĚŽŶĨĞŵĂůĞƚŚƌĞĂĚƐĂƐŝƚŵŝŐŚƚďĞƉƵƐŚĞĚŝŶƚŽƚŚĞĐŽŶƚƌŽů
ďŽĚLJ
ϲdŚĞŐĂƐǀĂůǀĞŝƐŵƵůƟƉŽƐŝƟŽŶĂŶĚĐĂŶďĞŵŽƵŶƚĞĚŝŶĂŶLJƉŽƐŝƟŽŶ
;ĞdžĐĞƉƚƵƉƐŝĚĞĚŽǁŶͿǁŝƚŚŽƵƚĂīĞĐƟŶŐŝƚƐŽƉĞƌĂƟŽŶ
ϳ/ŶƐƚĂůůŐĂƐǀĂůǀĞƐŽŐĂƐŇŽǁĐŽŶĨŽƌŵƐǁŝƚŚƚŚĞŝŶůĞƚĂŶĚŽƵƚůĞƚŽĨ
ƚŚĞĐŽŶƚƌŽů
ϴDO NOTŝŶƐĞƌƚĂŶLJŽďũĞĐƚŽƚŚĞƌƚŚĂŶƐƵŝƚĂďůĞƉŝƉĞŽƌƚƵďŝŶŐŝŶƚŚĞ
ŝŶůĞƚŽƌŽƵƚůĞƚŽĨƚŚŝƐĐŽŶƚƌŽů/ŶƚĞƌŶĂůĚĂŵĂŐĞŵĂLJŽĐĐƵƌĂŶĚƌĞƐƵůƚ
ŝŶĂŚĂnjĂƌĚŽƵƐĐŽŶĚŝƟŽŶďĂĐŬƵƉǁƌĞŶĐŚƐŚŽƵůĚŽŶůLJďĞƵƐĞĚŽŶ
ƚŚĞǁƌĞŶĐŚďŽƐƐƉƌŽǀŝĚĞĚĨŽƌƚŚŝƐƉƵƌƉŽƐĞ;ƐĞĞĚƌĂǁŝŶŐͿŶĞǀĞƌŽŶ
ďŽĚLJŽĨƚŚĞĐŽŶƚƌŽůĂƐƚŚŝƐĐŽƵůĚĚŝƐƚŽƌƚƚŚĞĐĂƐƟŶŐNOTE:ŽŶŽƚ
ŽǀĞƌƟŐŚƚĞŶĂŶLJƉŝƉĞĐŽŶŶĞĐƟŽŶƐĂƐƚŚŝƐĐŽƵůĚĐƌĂĐŬƚŚĞǀĂůǀĞďŽĚLJ
ǀĂůǀĞǁŝƚŚĂĐƌĂĐŬĞĚǀĂůǀĞďŽĚLJǁŝůůŶŽƚďĞǁĂƌƌĂŶƟĞĚ

FIGURE 1 FIGURE 2
INSTALLATION INSTRUCTIONS (Cont’d)
PILOT TUBING
ϭDĂŬĞƐƵƌĞƚƵďŝŶŐŝƐĨƌĞĞŽĨďƵƌƌƐĂŶĚĚŝƌƚ
ϮtĞƐƚƌŽŶŐůLJƌĞĐŽŵŵĞŶĚƚŚĂƚƚŚĞƉŝůŽƚŽƌŝĮĐĞďĞĐŚĞĐŬĞĚĂŶĚ
ĐůĞĂŶĞĚŝĨŶĞĐĞƐƐĂƌLJĂƚƚŚŝƐƟŵĞ
ϯŽŶŶĞĐƚƉŝůŽƚƚƵďŝŶŐŝŶƚŽƚŚĞĐŽŶƚƌŽůƵƐŝŶŐĮƫŶŐƉƌŽǀŝĚĞĚĂŶĚ
ƟŐŚƚĞŶĨŽƌĂŐĂƐͲƟŐŚƚƐĞĂů
PRESSURE REGULATOR VENT
dŚĞϳϮϬ^ĞƌŝĞƐǁŚĞŶĞƋƵŝƉƉĞĚǁŝƚŚĂƉƌĞƐƐƵƌĞƌĞŐƵůĂƚŽƌŚĂƐĂƐƚĂŶĚĂƌĚ
ĞƋƵŝƉŵĞŶƚďƵŝůƚͲŝŶsĞŶƚ>ŝŵŝƚĞƌdŚĞƌĞŐƵůĂƚŽƌǀĞŶƚŝƐƚĂƉƉĞĚϭϴ
ƚƵďŝŶŐŝĨǀĞŶƚƚƵďŝŶŐŝƐƌĞƋƵŝƌĞĚCAUTION:/ĨďůĞĞĚƚƵďŝŶŐŝƐƵƐĞĚĚŽ
ŶŽƚĂůůŽǁŵĂŝŶďƵƌŶĞƌŽƌƉŝůŽƚŇĂŵĞŝŵƉŝŶŐĞŵĞŶƚŽŶƚŚĞƚƵďŝŶŐĂƐ
ƚŚŝƐǁŝůůĞǀĞŶƚƵĂůůLJĐĂƵƐĞĐůŽŐŐŝŶŐŽĨƚŚĞƚƵďŝŶŐĂŶĚŝŵƉƌŽƉĞƌƌĞŐƵůĂƚŽƌ
ŽƉĞƌĂƟŽŶ/ĨďůĞĞĚƚƵďŝŶŐŝƐŶŽƚƵƐĞĚƚŚĞƌĞŐƵůĂƚŽƌǀĞŶƚŵƵƐƚďĞ
ƉƌŽƉĞƌůLJƐŚŝĞůĚĞĚĨƌŽŵŵŽŝƐƚƵƌĞ
THERMOCOUPLE CONNECTION
dŚĞƚŚĞƌŵŽĐŽƵƉůĞŶƵƚƐŚŽƵůĚďĞƐƚĂƌƚĞĚĂŶĚƚƵƌŶĞĚĂůůƚŚĞǁĂLJŝŶďLJ
ŚĂŶĚŶĂĚĚŝƟŽŶĂůƋƵĂƌƚĞƌƚƵƌŶǁŝƚŚĂƐŵĂůů;ϰͿǁƌĞŶĐŚǁŝůůƚŚĞŶďĞ
ƐƵĸĐŝĞŶƚƚŽƐĞƚƚŚĞůŽĐŬǁĂƐŚĞƌCAUTION:KǀĞƌƟŐŚƚĞŶŝŶŐŵĂLJĐĂƵƐĞ
ĚĂŵĂŐĞƚŽƚŚĞƚŚĞƌŵŽĐŽƵƉůĞŽƌŵĂŐŶĞƚĂŶĚŝƐƵŶŶĞĐĞƐƐĂƌLJ
ZĞƉůĂĐĞŵĞŶƚŵĂŐŶĞƚƐĂƌĞŶŽƚĂǀĂŝůĂďůĞ/ĨŵĂŐŶĞƚŝƐďĂĚƌĞƉůĂĐĞ
ƚŚĞǀĂůǀĞ
WIRING
DO NOTƐŚŽƌƚŐĂƐǀĂůǀĞƚĞƌŵŝŶĂůƐdŚŝƐǁŝůůĚĂŵĂŐĞǁĂůůƚŚĞƌŵŽƐƚĂƚ
ĂŶĚǀŽŝĚǁĂƌƌĂŶƚLJ
ϭŚĞĐŬƚŚĞƐLJƐƚĞŵĨŽƌƚŚĞƉƌŽƉĞƌƚƌĂŶƐĨŽƌŵĞƌďLJĐŽŵƉĂƌŝŶŐƚŚĞ
sƌĂƟŶŐƐŽĨƚŚĞƚƌĂŶƐĨŽƌŵĞƌĂŶĚƚŚĞƐLJƐƚĞŵdŚĞƐLJƐƚĞŵƌĂƟŶŐ
ŝƐĚĞƚĞƌŵŝŶĞĚďLJŵƵůƟƉůLJŝŶŐƚŚĞǀŽůƚĂŐĞĚƌĂǁƟŵĞƐƚŚĞĂŵƉ
ĚƌĂǁEŽƌŵĂůůLJϮϬsƚƌĂŶƐĨŽƌŵĞƌƐĂƌĞƐƵĸĐŝĞŶƚĨŽƌŚĞĂƟŶŐŽŶůLJ
ĂƉƉůŝĐĂƟŽŶƐĂŶĚϰϬsĨŽƌŚĞĂƟŶŐĐŽŽůŝŶŐĂƉƉůŝĐĂƟŽŶƐ
ϮŽŶŶĞĐƚůĞĂĚĨƌŽŵƚƌĂŶƐĨŽƌŵĞƌƚŽηϭƚĞƌŵŝŶĂůŽŶƚŚĞŐĂƐǀĂůǀĞ
;ƐĞĞĚƌĂǁŝŶŐͿ
ϯŽŶŶĞĐƚůĞĂĚƚŽǁĂůůƚŚĞƌŵŽƐƚĂƚƚŽηϮƚĞƌŵŝŶĂůŽŶŐĂƐǀĂůǀĞ
;ƐĞĞĚƌĂǁŝŶŐͿ
LEAK TEST
>ĞĂŬƚĞƐƚǁŝƚŚĂƐŽĂƉƐŽůƵƟŽŶĂŌĞƌŝŶƐƚĂůůĂƟŽŶǁŝƚŚŵĂŝŶďƵƌŶĞƌŽŶ
ŽĂƚƉŝƉĞĂŶĚƚƵďŝŶŐũŽŝŶƚƐŐĂƐŬĞƚĞƚĐǁŝƚŚƐŽĂƉƐŽůƵƟŽŶƵďďůĞƐ
ŝŶĚŝĐĂƚĞůĞĂŬƐ
CAUTION
ϭdŚŝƐĂƉƉůŝĂŶĐĞŚĂƐĂƉŝůŽƚďƵƌŶĞƌǁŚŝĐŚŵƵƐƚďĞůŝƚďLJŚĂŶĚ/Ĩ
ƚŚĞƉŝůŽƚŇĂŵĞŚĂƐŐŽŶĞŽƵƚĨŽůůŽǁƚŚĞƐĞŝŶƐƚƌƵĐƟŽŶƐĞdžĂĐƚůLJ
WARNING:/ĨLJŽƵĚŽŶŽƚĨŽůůŽǁƚŚĞƐĞŝŶƐƚƌƵĐƟŽŶƐĞdžĂĐƚůLJĂĮƌĞŽƌ
ĞdžƉůŽƐŝŽŶŵĂLJƌĞƐƵůƚŝŶƉƌŽƉĞƌƚLJĚĂŵĂŐĞƉĞƌƐŽŶĂůŝŶũƵƌLJŽƌůŽƐƐ
ŽĨůŝĨĞ
Ϯ^ŵĞůůĂůůĂƌŽƵŶĚƚŚĞĂƉƉůŝĂŶĐĞĂƌĞĂĨŽƌŐĂƐ/ĨƚŚĞĂƉƉůŝĂŶĐĞ
ƵƐĞƐ>W;ďŽƩůĞĚͿŐĂƐďĞƐƵƌĞƚŽƐŵĞůůŶĞdžƚƚŽƚŚĞŇŽŽƌďĞĐĂƵƐĞ
>WŐĂƐŝƐŚĞĂǀŝĞƌƚŚĂŶĂŝƌ
WARNING:/ĨLJŽƵƐŵĞůůŐĂƐŝŵŵĞĚŝĂƚĞůLJƐŚƵƚŽīƚŚĞŵĂŶƵĂů
ǀĂůǀĞŝŶƚŚĞŐĂƐƉŝƉŝŶŐƚŽƚŚĞĂƉƉůŝĂŶĐĞŽŶƚƚŽƵĐŚĂŶLJĞůĞĐƚƌŝĐĂů
ƐǁŝƚĐŚŽƌƵƐĞƚŚĞƉŚŽŶĞ>ĞĂǀĞƚŚĞďƵŝůĚŝŶŐĂŶĚĐĂůůLJŽƵƌŐĂƐ
ƐƵƉƉůŝĞƌ/ĨŚĞĐĂŶŶŽƚďĞƌĞĂĐŚĞĚĐĂůůƚŚĞĮƌĞĚĞƉĂƌƚŵĞŶƚ
ϯWARNING:ŽŶŽƚĨŽƌĐĞƚŚĞŐĂƐĐŽŶƚƌŽůŬŶŽďŽŶƚŚĞĂƉƉůŝĂŶĐĞ
hƐĞŽŶůLJLJŽƵƌŚĂŶĚƚŽƉƵƐŚĚŽǁŶĂŶĚŽƌƚŽƚƵƌŶƚŚĞŐĂƐĐŽŶƚƌŽů
ŬŶŽďEĞǀĞƌƵƐĞĂŶLJƚŽŽůƐ/ĨƚŚĞŐĂƐĐŽŶƚƌŽůŬŶŽďǁŝůůŶŽƚ
ŽƉĞƌĂƚĞďLJŚĂŶĚƚŚĞĐŽŶƚƌŽůƐŚŽƵůĚďĞƌĞƉůĂĐĞĚďLJĂƋƵĂůŝĮĞĚ
ƐĞƌǀŝĐĞƚĞĐŚŶŝĐŝĂŶ&ŽƌĐĞŽƌĂƩĞŵƉƚĞĚƌĞƉĂŝƌŵĂLJƌĞƐƵůƚŝŶĮƌĞ
ŽƌĞdžƉůŽƐŝŽŶ
ϰWARNING:dŚĞŐĂƐĐŽŶƚƌŽůŵƵƐƚďĞƌĞƉůĂĐĞĚŝĨŝƚŚĂƐďĞĞŶ
ĞdžƉŽƐĞĚƚŽǁĂƚĞƌ
OPERATING INSTRUCTIONS
ϭdƵƌŶǁĂůůƚŚĞƌŵŽƐƚĂƚƚŽŝƚƐůŽǁĞƐƚƐĞƫŶŐZĞŵŽǀĞďƵƌŶĞƌĂĐĐĞƐƐ
ƉĂŶĞů;ƐͿ
 ^ĞůĞĐƚŽƌĂƌŵŵƵƐƚŽŶůLJďĞŽƉĞƌĂƚĞĚďLJŚĂŶĚ;ƐĞĞďĞůŽǁͿDO NOT
ƵƐĞƉůŝĞƌƐǁƌĞŶĐŚĞƐŽƌŽƚŚĞƌƚŽŽůƐƚŽŽƉĞƌĂƚĞƚŚĞĂƌŵdŚĞƐĞůĞĐƚŽƌ
ĂƌŵĐĂŶŶŽƚďĞŵŽǀĞĚŝŶƚŽƚŚĞŽīƉŽƐŝƟŽŶǁŝƚŚŽƵƚĮƌƐƚĚĞƉƌĞƐƐŝŶŐ
ƚŚĞůĞǀĞƌŝŶƚŚĞŽŶƉŽƐŝƟŽŶ
ϮDŽǀĞƐĞůĞĐƚŽƌĂƌŵƚŽƚŚĞŽīƉŽƐŝƟŽŶ;^ĞĞĮŐƵƌĞϭͿ
ϯWARNING:tĂŝƚĂƚůĞĂƐƚϱŵŝŶƵƚĞƐƚŽĂůůŽǁĂŶLJŐĂƐŝŶƚŚĞ
ĐŽŵďƵƐƟŽŶĐŚĂŵďĞƌƚŽǀĞŶƚ/ĨLJŽƵƚŚĞŶƐŵĞůůŐĂƐŝŶƚŚĞĂƉƉůŝĂŶĐĞ
ĂƌĞĂŽƌŶĞĂƌƚŚĞŇŽŽƌ^dKWĂŶĚĨŽůůŽǁǁĂƌŶŝŶŐŝŶƐƚƌƵĐƟŽŶƐ&ĂŝůƵƌĞ
ƚŽĚŽƐŽŵĂLJƌĞƐƵůƚŝŶĮƌĞŽƌĞdžƉůŽƐŝŽŶ
ϰ/ĨLJŽƵĚŽŶƚƐŵĞůůŐĂƐŚŽůĚŵĂƚĐŚĂƚƉŝůŽƚďƵƌŶĞƌWARNING:/Ĩ
ƉŝůŽƚůŝŐŚƚƐǁŝƚŚŽƵƚŵŽǀŝŶŐƐĞůĞĐƚŽƌĂƌŵƚŽƚŚĞƐĞƚƉŽƐŝƟŽŶ
ƌĞƉůĂĐĞĐŽŶƚƌŽůWƵƐŚƐĞůĞĐƚŽƌĂƌŵƚŽƚŚĞƐĞƚƉŽƐŝƟŽŶĂŶĚŚŽůĚ
ŝƚǁŚŝůĞůŝŐŚƟŶŐƚŚĞƉŝůŽƚďƵƌŶĞƌ;^ĞĞĮŐƵƌĞϮͿůůŽǁƉŝůŽƚƚŽďƵƌŶ
ĂƉƉƌŽdžŝŵĂƚĞůLJϭŵŝŶƵƚĞ/ĨƉŝůŽƚĚŽĞƐŶŽƚƌĞŵĂŝŶůŝƚĂŌĞƌƌĞƚƵƌŶŝŶŐ
ƐĞůĞĐƚŽƌĂƌŵƚŽƉŝůŽƚƉŽƐŝƟŽŶ;ƐĞĞĮŐƵƌĞϯͿƌĞƉĞĂƚŽƉĞƌĂƟŽŶ
ĂůůŽǁŝŶŐůŽŶŐĞƌƉĞƌŝŽĚďĞĨŽƌĞƌĞůĞĂƐŝŶŐƚŚĞƐĞůĞĐƚŽƌĂƌŵ;ĚũƵƐƚ
ƉŝůŽƚŝĨŶĞĐĞƐƐĂƌLJĂƐŶŽƚĞĚƵŶĚĞƌWŝůŽƚƵƌŶĞƌĚũƵƐƚŵĞŶƚͿdŚĞ
ƚŚĞƌŵŽĐŽƵƉůĞŵĂLJĂůƐŽďĞĚĞĨĞĐƟǀĞĂŶĚƐŚŽƵůĚďĞĐŚĞĐŬĞĚ;ƐĞĞ
^ĞƌǀŝĐĞ/ŶƐƚƌƵĐƟŽŶƐͿ
ϱDŽǀĞƐĞůĞĐƚŽƌĂƌŵƚŽƚŚĞŽŶƉŽƐŝƟŽŶ;ƐĞĞĮŐƵƌĞϰͿĂŶĚƐĞƚƌŽŽŵ
ƚŚĞƌŵŽƐƚĂƚƚŽĚĞƐŝƌĞĚƚĞŵƉĞƌĂƚƵƌĞůůŽǁďƵƌŶĞƌƚŽĐLJĐůĞŽŶĂŶĚŽī
ϲZĞƉůĂĐĞďƵƌŶĞƌĂĐĐĞƐƐƉĂŶĞů;ƐͿ
2FIGURE 3 FIGURE 4

SERVICE INSTRUCTIONS
CAUTION:/ĨĐŽŶƚƌŽůŚĂƐďĞĞŶĞdžƉŽƐĞĚƚŽǁĂƚĞƌŝŶĂŶLJǁĂLJŝƚŵƵƐƚďĞ
ƌĞƉůĂĐĞĚ/ĨŐĂƐǀĂůǀĞĨĂŝůƐƚŽƐŚƵƚŽīĚŽŶŽƚƚƵƌŶŽīĞůĞĐƚƌŝĐĂůƉŽǁĞƌ
dƵƌŶŽīŐĂƐƐƵƉƉůLJĂůůŽǁŝŶŐĨĂŶŽƌĐŝƌĐƵůĂƟŶŐƉƵŵƉ;ŝĨƐŽĞƋƵŝƉƉĞĚͿƚŽ
ĐŽŶƟŶƵĞƌƵŶŶŝŶŐƵŶƟůƐLJƐƚĞŵŚĂƐĐŽŽůĞĚZĞƉůĂĐĞĐŽŶƚƌŽů
AUTOMATIC PILOT SYSTEM
dŽƉĞƌĨŽƌŵƚŚĞĨŽůůŽǁŝŶŐƚĞƐƚǁĞƌĞĐŽŵŵĞŶĚƵƐŝŶŐĂƌĞůŝĂďůĞĚŝŐŝƚĂů
ŵĞƚĞƌdŚĞƌĞĂƌĞƚŚƌĞĞŵĂũŽƌĐĂƵƐĞƐŽĨƉŝůŽƚŽƵƚĂŐĞŝŶƚŚĞĂƵƚŽŵĂƟĐ
ƉŝůŽƚƐLJƐƚĞŵƐ
ϭ/ŵƉƌŽƉĞƌƉŝůŽƚŽƉĞƌĂƟŽŶ
Ϯ>ŽǁŽƵƚƉƵƚƚŚĞƌŵŽĐŽƵƉůĞŽƌƚŚĞƌŵŽƉŝůĞ
ϯ/ŶŽƉĞƌĂƟǀĞĂƵƚŽŵĂƟĐƉŝůŽƚŵĂŐŶĞƚ
dĞƐƚƉƌŽĐĞĚƵƌĞƐĂŶĚƐƚĞƉƐƚŽĨŽůůŽǁŝŶĐŚĞĐŬŝŶŐĞĂĐŚĐŽŵƉŽŶĞŶƚŽĨƚŚĞ
ĂƵƚŽŵĂƟĐƉŝůŽƚƐLJƐƚĞŵƐĂƌĞůŝƐƚĞĚďĞůŽǁ
Thermocouple Check
ĐůŽƐĞĚĐŝƌĐƵŝƚŵŝůůŝǀŽůƚĐŚĞĐŬŝƐƵƐĞĚƚŽĐŚĞĐŬƚŚĞƌŵŽĐŽƵƉůĞŽƵƚƉƵƚ
dŚŝƐĐŚĞĐŬŝƐƉĞƌĨŽƌŵĞĚĂƐĨŽůůŽǁƐ
ϭŚĞĐŬĨŽƌƉƌŽƉĞƌƉŝůŽƚŽƉĞƌĂƟŽŶ
ϮhƐĞĂŵŝůůŝǀŽůƚŵĞƚĞƌǁŝƚŚĂϬͲϱϬŵŝůůŝǀŽůƚƌĂŶŐĞ
ϯŽŶŶĞĐƚĚĂƉƚŽƌϭϬͲϬϯϴĂŶĚŵŝůůŝǀŽůƚŵĞƚĞƌůĞĂĚƐĂƐƐŚŽǁŶŝŶĮŐƵƌĞ
ďĞůŽǁĞƐƵƌĞĐŽŶŶĞĐƟŽŶƐĂƌĞƐŶƵŐ
ϰ&ŽůůŽǁƐƚĂŶĚĂƌĚůŝŐŚƟŶŐƉƌŽĐĞĚƵƌĞ
ϱŚĞĐŬĐůŽƐĞĚĐŝƌĐƵŝƚƚŚĞƌŵŽĐŽƵƉůĞŽƵƚƉƵƚ/ĨůĞƐƐƚŚĂŶĞŝŐŚƚ
ŵŝůůŝǀŽůƚƐƌĞƉůĂĐĞǁŝƚŚZŽďĞƌƚƐŚĂǁϭϵϳϬŽƌϭϵϴϬƐĞƌŝĞƐ
ƚŚĞƌŵŽĐŽƵƉůĞ
ϲZĞƉĞĂƚƐƚĂŶĚĂƌĚůŝŐŚƟŶŐƉƌŽĐĞĚƵƌĞĂŌĞƌƚŚĞƌŵŽĐŽƵƉůĞƌĞƉůĂĐĞŵĞŶƚ
ƵƚŽŵĂƟĐWŝůŽƚDĂŐŶĞƚŚĞĐŬ;dŚĞƌŵŽĐŽƵƉůĞdLJƉĞͿ
/ĨƚŚĞĐůŽƐĞĚĐŝƌĐƵŝƚĐŚĞĐŬƐŚŽǁƐƚŚĞƚŚĞƌŵŽĐŽƵƉůĞŽƵƚƉƵƚŝƐŐƌĞĂƚĞƌ
than
ĞŝŐŚƚŵŝůůŝǀŽůƚƐĂŶĚƉŝůŽƚǁŝůůŶŽƚƌĞŵĂŝŶůŝƚǁŚĞŶƐĞůĞĐƚŽƌĂƌŵŝƐ
released
ĂŌĞƌŝŶŝƟĂůůŝŐŚƟŶŐƉƌŽĐĞĚƵƌĞĐŚĞĐŬŽƉĞƌĂƟŽŶŽĨŵĂŐŶĞƚĂƐ
ĨŽůůŽǁƐ
ϭĚĂƉƚŽƌϭϬͲϬϯϴƐŚŽƵůĚƌĞŵĂŝŶĐŽŶŶĞĐƚĞĚŝŶƐLJƐƚĞŵĂƐƐŚŽǁŶŝŶ
ĮŐƵƌĞĂďŽǀĞ
Ϯ&ŽůůŽǁƐƚĂŶĚĂƌĚůŝŐŚƟŶŐƉƌŽĐĞĚƵƌĞĂŶĚĐŽŶƟŶƵĞŚŽůĚŝŶŐƐĞůĞĐƚŽƌ
ĂƌŵŝŶƚŚĞƐĞƚƉŽƐŝƟŽŶ
ϯůůŽǁƚŚĞƌŵŽĐŽƵƉůĞŽƵƚƉƵƚƚŽƐƚĂďŝůŝnjĞĂŶĚŶŽƚĞŵĞƚĞƌƌĞĂĚŝŶŐ
ϰdžƟŶŐƵŝƐŚƉŝůŽƚďLJŵŽǀŝŶŐƐĞůĞĐƚŽƌĂƌŵƚŽŽīƉŽƐŝƟŽŶ
ϱŐŽŽĚŵĂŐŶĞƚƐŚŽƵůĚƌĞŵĂŝŶůŽĐŬĞĚƵƉĨŽƌĂĚƌŽƉŽĨĮǀĞŵŝůůŝǀŽůƚƐ
ŽƌŵŽƌĞĨƌŽŵƚŚĞŽƌŝŐŝŶĂůƐƚĂďŝůŝnjĞĚƌĞĂĚŝŶŐďĞĨŽƌĞƌĞůĞĂƐŝŶŐ
ϲ/ĨŵĂŐŶĞƚĚŽĞƐŶŽƚŽƉĞƌĂƚĞƉƌŽƉĞƌůLJƌĞƉůĂĐĞƚŚĞǀĂůǀĞ
PILOT BURNER ADJUSTMENT
ϭĚũƵƐƚƉŝůŽƚŬĞLJƚŽƉƌŽǀŝĚĞƉƌŽƉĞƌůLJƐŝnjĞĚŇĂŵĞŽŶƚŚĞ
ƚŚĞƌŵŽĐŽƵƉůĞdŚĞŇĂŵĞƐŚŽƵůĚĐŽǀĞƌƚŚĞƵƉƉĞƌϯϴŽĨƚŚĞƟƉ
3
PRESSURE REGULATOR ADJUSTMENTS
ĚũƵƐƚŵĞŶƚŽĨƚŚĞƉƌĞƐƐƵƌĞƌĞŐƵůĂƚŽƌŝƐŶŽƚŶŽƌŵĂůůLJŶĞĐĞƐƐĂƌLJ
ƐŝŶĐĞŝƚŝƐƉƌĞƐĞƚĂƚƚŚĞĨĂĐƚŽƌLJ,ŽǁĞǀĞƌĮĞůĚĂĚũƵƐƚŵĞŶƚŵĂLJďĞ
ĂĐĐŽŵƉůŝƐŚĞĚĂƐĨŽůůŽǁƐ
NOTE:DĂŶŽŵĞƚĞƌĂƩĂĐŚŵĞŶƚŵĂLJďĞĂĐĐŽŵƉůŝƐŚĞĚĂƚƉƌĞƐƐƵƌĞƚĂƉ
ƉůƵŐĂďŽǀĞĐŽŶƚƌŽůŽƵƚůĞƚĂƐƐŚŽǁŶŝŶĮŐƵƌĞďĞůŽǁ/ĨƵƐŝŶŐŝŶůĞƚ
ƉƌĞƐƐƵƌĞƚĂƉƚŽŵĞĂƐƵƌĞŝŶĐŽŵŝŶŐƉƌĞƐƐƵƌĞƐĞĞĚƌĂǁŝŶŐŽŶĮƌƐƚƉĂŐĞ
ϭDĂŶŽŵĞƚĞƌŽƌŐĂƵŐĞĂƩĂĐŚŵĞŶƚŵĂLJďĞĂĐĐŽŵƉůŝƐŚĞĚĂƚƉƌĞƐƐƵƌĞ
ƚĂƉƉůƵŐ
ϮZĞŵŽǀĞƌĞŐƵůĂƚŽƌĂĚũƵƐƚŵĞŶƚƐĐƌĞǁĐĂƉ;dŽƉŽĨĐŽŶƚƌŽůͿ
ϯtŝƚŚƐŵĂůůƐĐƌĞǁĚƌŝǀĞƌƌŽƚĂƚĞĂĚũƵƐƚŵĞŶƚƐĐƌĞǁĐůŽĐŬǁŝƐĞƚŽ
ŝŶĐƌĞĂƐĞŽƌĐŽƵŶƚĞƌĐůŽĐŬǁŝƐĞƚŽĚĞĐƌĞĂƐĞƉƌĞƐƐƵƌĞƚŽĐŽŵƉůLJǁŝƚŚ
ŵĂŶƵĨĂĐƚƵƌĞƌƐƐƉĞĐŝĮĐĂƟŽŶƐ
ϰZĞƉůĂĐĞƌĞŐƵůĂƚŽƌĂĚũƵƐƚŵĞŶƚƐĐƌĞǁĐĂƉ
REGULATOR CONVERSION
CAUTION:DĂŝŶďƵƌŶĞƌĂŶĚƉŝůŽƚŽƌŝĮĐĞƐŵƵƐƚďĞĐŚĂŶŐĞĚǁŚĞŶ
ƌĞŐƵůĂƚŽƌŝƐĐŽŶǀĞƌƚĞĚĨƌŽŵŽŶĞƚLJƉĞŐĂƐƚŽĂŶŽƚŚĞƌ
dŚĞϳϮϬ^ĞƌŝĞƐǀĂůǀĞƐĐĂŶďĞĐŽŶǀĞƌƚĞĚĨƌŽŵŶĂƚƵƌĂůƚŽ>WďLJŝŶƐƚĂůůŝŶŐ
ƚŚĞĞŶĐůŽƐĞĚĐŽŶǀĞƌƐŝŽŶŬŝƚ
ϭdƵƌŶŽīŐĂƐĂŶĚĞůĞĐƚƌŝĐŝƚLJƚŽĂƉƉůŝĂŶĐĞ
ϮZĞŵŽǀĞƐůŽƩĞĚĐĂƉ;ͿĂĚũƵƐƟŶŐƐĐƌĞǁ;ͿĂŶĚŶĂƚƵƌĂůŐĂƐƐƉƌŝŶŐͲ
ŶŽƚĐŽůŽƌĐŽĚĞĚͲ;ͿĨƌŽŵĐŽŶƚƌŽů
ϯ/ŶƐƚĂůůŶĞǁ>WƐƉƌŝŶŐͲĐŽůŽƌĐŽĚĞĚǁŝƚŚĂďůĂĐŬƐƚƌŝƉ
ϰ/ŶƐƚĂůůŶĞǁĂĚũƵƐƟŶŐƐĐƌĞǁ;Ϳ
ϱƩĂĐŚŵĂŶŽŵĞƚĞƌŽƌƉƌĞƐƐƵƌĞŐĂƵŐĞĂƚƚŚĞŽƵƚůĞƚƉƌĞƐƐƵƌĞƚĂƉ
ϲdƵƌŶŐĂƐĂŶĚĞůĞĐƚƌŝĐŝƚLJŽŶ
ϳdƵƌŶƌŽŽŵƚŚĞƌŵŽƐƚĂƚƚŽĐĂůůĨŽƌŚĞĂƚ
ϴ
tŝƚŚďƵƌŶĞƌŽŶĂĚũƵƐƚƐĐƌĞǁ;ͿƚŽƐƵƉƉůLJ>WŐĂƐƚŽƉƌĞƐƐƵƌĞĂƐ
ƌĞĐŽŵŵĞŶĚĞĚ
ďLJƚŚĞĂƉƉůŝĂŶĐĞŵĂŶƵĨĂĐƚƵƌĞƌ
WARNING
^ĞƌǀŝĐŝŶŐŽĨŐĂƐĐŽŶƚƌŽůƐĂƉƉůŝĂŶĐĞƐĂŶĚƐLJƐƚĞŵƐŵƵƐƚ
ďĞƉĞƌĨŽƌŵĞĚďLJƋƵĂůŝĮĞĚƐĞƌǀŝĐĞƉĞƌƐŽŶŶĞůŽŶůLJ

ƵƐƚŽŵĞƌ^ĞƌǀŝĐĞdĞůĞƉŚŽŶĞϭϴϬϬϯϬϰϲϱϲϯ
ƵƐƚŽŵĞƌ^ĞƌǀŝĐĞ&ĂĐƐŝŵŝůĞϭϴϬϬϰϮϲϬϴϬϰ
,sƵƐƚŽŵĞƌ^ĞƌǀŝĐĞΛƌŽďĞƌƚƐŚĂǁĐŽŵ
ZŽďĞƌƚƐŚĂǁΠZĂŶĐŽΠWĂƌĂŐŽŶΠĂŶĚhŶŝͲ>ŝŶĞΠĂƌĞ
ƚƌĂĚĞŵĂƌŬƐŽĨZŽďĞƌƚƐŚĂǁŝƚƐƐƵďƐŝĚŝĂƌŝĞƐĂŶĚŽƌ
ĂĨĨŝůŝĂƚĞĚĐŽŵƉĂŶŝĞƐůůŽƚŚĞƌďƌĂŶĚƐŵĞŶƚŝŽŶĞĚ
ŵĂLJďĞƚŚĞƚƌĂĚĞŵĂƌŬƐŽĨƚŚĞŝƌƌĞƐƉĞĐƚŝǀĞŽǁŶĞƌƐ
&ŽƌdĞĐŚŶŝĐĂů^ĞƌǀŝĐĞ
dĞůĞƉŚŽŶĞϭϴϬϬϰϰϱϴϮϵϵ
&ĂĐƐŝŵŝůĞϭϲϯϬϮϲϬϳϮϵϰ
dĞĐŚŶŝĐĂů^ĞƌǀŝĐĞΛƌŽďĞƌƚƐŚĂǁĐŽŵ
ǁǁǁƵŶŝͲůŝŶĞĐŽŵ
ǁǁǁƌŽďĞƌƚƐŚĂǁĐŽŵ
ΞϮϬϭϰZŽďĞƌƚƐŚĂǁ
ϬϴϭϰʹϭͲϰϴϵZĞǀ
SERVICE INSTRUCTIONS (Cont’d)
ϵ/ĨĂĚũƵƐƟŶŐƐĐƌĞǁ;ͿƌĞĂĐŚĞƐŝƚƐŵĂdžŝŵƵŵĚĞƉƚŚ;ďŽƩŽŵƐŽƵƚͿ
ďĞĨŽƌĞƌĞĐŽŵŵĞŶĚĞĚƉƌĞƐƐƵƌĞƐĞƫŶŐŝƐƌĞĂĐŚĞĚƚƵƌŶƐĐƌĞǁ
ĐŽƵŶƚĞƌĐůŽĐŬǁŝƐĞƵŶƟůƉƌĞƐƐƵƌĞĚƌŽƉƐƐůŝŐŚƚůLJ;ĂƉƉƌŽdžŝŵĂƚĞůLJϬϭ
tͿWARNING:ŽŶŽƚƐƚƌĞƚĐŚŽƌĂůƚĞƌƐƉƌŝŶŐ
ϭϬdƵƌŶŽīŐĂƐĂŶĚĞůĞĐƚƌŝĐŝƚLJƚŽĂƉƉůŝĂŶĐĞ
ϭϭZĞŵŽǀĞŵĂŶŽŵĞƚĞƌŽƌƉƌĞƐƐƵƌĞŐĂƵŐĞĂŶĚƌĞŝŶƐƚĂůůĮƫŶŐ
ϭϮ/ŶƐƚĂůůŶĞǁƌĞĚƐůŽƩĞĚĐĂƉŝŶƉůĂĐĞŽĨ;Ϳ
ϭϯdƵƌŶŐĂƐĂŶĚĞůĞĐƚƌŝĐŝƚLJŽŶ
ϭϰtŝƚŚďƵƌŶĞƌŽƉĞƌĂƟŶŐŝŵŵĞĚŝĂƚĞůLJĐŚĞĐŬĂůůĮƫŶŐƐĨŽƌůĞĂŬƐǁŝƚŚ
ƐŽĂƉƐŽůƵƟŽŶƵďďůĞƐŝŶĚŝĐĂƚĞůĞĂŬƐƚŚĂƚŵƵƐƚďĞĐŽƌƌĞĐƚĞĚ
ϭϱƩĂĐŚůĂďĞůƚŽƐŚŽǁĐŽŶƚƌŽůŚĂƐďĞĞŶĐŽŶǀĞƌƚĞĚƚŽ>W
ϭϲ^ĞƚƌŽŽŵƚŚĞƌŵŽƐƚĂƚƚŽĚĞƐŝƌĞĚƚĞŵƉĞƌĂƚƵƌĞ