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Single-Stage 90,000 BTUH to

Single-Stage 40,000 BTUH to

60,000 BTUH Units

130,000 BTUH Units

A07873

Fig. 15 -- Single--Stage Orifice Installation

1 2 3 4 5 6 7 8 9 10 11 12

LGPS

PLUG J2

FURNACE CONTROL BOARD

LEGEND
ORN = ORANGE
YEL = YELLOW
LGPS = LOW GAS PRESSURE SWITCH
CAPS = COMBUSTION AIR PRESSURE SWITCH

ORN

= QUICK CONNECTION

YEL

CAPS

ORN

A07806

Fig. 16 -- Pressure Switch Wiring for Single--Stage Units

CPL

CONV

Содержание CPLPCONV013A00

Страница 1: ...and in instructions or manu als be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifi...

Страница 2: ...MUST be shut off before disconnecting electrical power and proceeding with conversion WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before in...

Страница 3: ...er access to the burner assembly The bracket may be removed by removing 2 screws on the control side and sliding the bracket forward bottom first If the fan partition bracket was removed slide bracket...

Страница 4: ...e four screws saved from item 11 15 Remove the plug on the inlet end of the gas valve using a 3 16 in hex wrench 16 Install the 1 8 in NPT x 3 4 in 19 mm close pipe nipple where the plug was removed s...

Страница 5: ...re switch is a safety device used to guard against adverse burner operating characteristics that can result from low gas supply pressure Switch opens at not less than 6 5 IN W C and closes at not grea...

Страница 6: ...E ORIFICE 2 FLAME SENSOR MANIFOLD 40 000 BTUH UNITS CLOSED END PIPE PLUG CLOSED END BURNER 3 BURNER RACK SPARKER FLAME SENSOR ORIFICE 3 MANIFOLD 60 000 BTUH PIPE PLUG CLOSED END GAS VALVE LO HI O FF O...

Страница 7: ...igniter is de energized and a 2 sec flame proving period begins NOTE The unit always lights on high speed inducer and low stage gas valve operation Flame Proving When the burner flame is proved at the...

Страница 8: ...ks to check all connections A fire or explosion could result causing property damage personal injury and or loss of life WARNING 38 After all leaks are eliminated replace control access panel EXPLOSIO...

Страница 9: ...8 NPTx 3 4 IN 19 1 MM CLOSE PIPE NIPPLE 1 8 ELBOW 1 8 ELBOW 1 8 NPTx 3 4 IN 19 1 MM CLOSE PIPE NIPPLE 1 8 NPTx 2 IN 50 8 MM NIPPLE LOW GAS PRESSURE SWITCH TWO A09016 Fig 11 Installing Elbows Nipples...

Страница 10: ...easier access to the burner assembly The bracket may be removed by removing 2 screws located on the left side of the control compartment on the fan partition panel and sliding the bracket forward bott...

Страница 11: ...on air pressure switch and connect it to the orange wire on the low gas pressure switch LGPS equipped with a 1 4 in male quick connect terminal The low gas pressure switch should have one unconnected...

Страница 12: ...Fig 15 Single Stage Orifice Installation 1 2 3 4 5 6 7 8 9 10 11 12 LGPS PLUG J2 FURNACE CONTROL BOARD LEGEND ORN ORANGE YEL YELLOW LGPS LOW GAS PRESSURE SWITCH CAPS COMBUSTION AIR PRESSURE SWITCH ORN...

Страница 13: ...occur the gas pressure at switch drops below low gas pressure switch setting and switch opens Any interruption in control circuit in which low gas pressure switch is wired quickly closes gas valve and...

Страница 14: ...l 45 sec to energize the indoor blower motor On removal of the call for heat the gas valve will immediately shut down the inducer motor will run for an additional 5 sec and the indoor blower will run...

Страница 15: ...ELBOW LOW GAS PRESSURE SWITCH 1 8 NPTx 2 IN 50 8 MM NIPPLE 1 8 NPTx 3 4 19 1MM CLOSE PIPE NIPPLE 1 8 NPTx 3 4 IN 19 1 MM CLOSE PIPE NIPPLE A09017 Fig 19 Installing Elbows Nipples and Pressure Switch o...

Страница 16: ...St D Indianapolis IN 46231 Printed in U S A Edition Date 04 10 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No IIK CP...