International comfort products R9MSB Service And Technical Support Manual Download | Manualshive

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440 04 6601 03

21

Specifications subject to change without notice.

A11273

Figure 11

−

Cleaning Heat Exchanger Cell

Burner Flame

Burner

Manifold

A11461

Figure 12

−

Burner Flame

SET SCREW

MOTOR WHEEL HUB

MOTOR SHAFT FLAT

SCREW

MOTOR ARM

GROMMET

SCREW LOCATION

BLO HSG ASSY

BRACKET

BRACKET
ENGAGEMENT

SEE DETAIL

A

CAPACITOR
OR POWER CHOKE
(WHEN USED)

BRACKET

SCREW

(GND)

BLOWER HSG ASSY

MOTOR, BLOWER

WHEEL, BLOWER

CUTOFF, BLOWER

DETAIL

A

A11584

Figure 13

−

Blower Assembly

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Summary of Contents for R9MSB

Page 1: ...n the following manner CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and or pictures or product labels The signal word WARNING is used throughout this manua...

Page 2: ...eath WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE...

Page 3: ...115vac terminal is energized whenever blower operates HUM 24vac terminal is only energized when the low pressure switch LPS is closed on a call for heat Prime Condensate Trap with Water CARBON MONOXID...

Page 4: ...ired orifice to the manifold pressure to the heat content and specific gravity of the gas To do this 1 Obtain average yearly gas heat value at installed altitude from local gas supplier 2 Obtain avera...

Page 5: ...put is obtained replace cap that conceals gas valve regulator adjustment screws Main burner flame should be clear blue almost transparent See Figure 12 i Remove jumper R to W 2 Verify natural gas inpu...

Page 6: ...exchangers or condensing flue gases in heat exchanger areas not designed for condensate S Shortened furnace life S Component damage Temperature rise must be within limits specified on furnace rating p...

Page 7: ...nals when furnace is in low heat and after blower starts 4 Set heat anticipator on thermostat per thermostat instructions and install on sub base or wall 5 Install blower access door Electronic thermo...

Page 8: ...LE STAGE A11153 Gas Valve without Tower Pressure Ports ON OFF SWITCH 1 8 NPT INLET PRESSURE TAP REGULATOR SEAL CAP REGULATOR ADJ UNDER CAP 1 2 NPT OUTLET MANIFOLD PRESSURE TAP SET SCREW 3 32 HEX HEAD...

Page 9: ...290 22 164 327 818 64 56 112 281 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 9...

Page 10: ...10 440 04 6601 03 Specifications subject to change without notice 338309 201 Rev E A11602 Figure 5 Service Label Information...

Page 11: ...2 42 3 3 42 3 4 915 825 43 3 6 43 3 7 43 3 8 42 3 2 850 44 3 8 43 3 5 43 3 6 43 3 7 875 44 3 6 44 3 7 43 3 4 43 3 5 4000 900 44 3 4 44 3 5 44 3 7 44 3 8 1219 925 44 3 2 44 3 4 44 3 5 44 3 6 950 44 3...

Page 12: ...0 885 Red 3 2 5 394 1030 1025 1030 1010 985 940 905 855 805 735 0801716 SIDE BOTTOM Black 4 0 408 1800 1770 1735 1685 1630 1570 1495 1415 1330 1230 Yellow 3 5 386 1445 1430 1410 1385 1350 1305 1255 11...

Page 13: ...re switch is 0 68 in W C The minimum break point of the switch is 0 63 in W C The maximum break point of the switch is 0 73 in W C The maximum make point of the switch is 0 83 in W C ELECTRICAL SHOCK...

Page 14: ...T CONDENSING UNIT TWO WIRE FURNACE C O N T R O L R G COM W C R G Y GND GND FIELD 24 V WIRING FIELD 115 208 230 460 V WIRING FACTORY 24 V WIRING FACTORY 115 V WIRING 208 230 OR 460 V THREE PHASE 208 23...

Page 15: ...est furnace with room thermostat to be sure that it operates properly with the room thermostat Check all modes including Heat Cool and Fan 8 Check operation of accessories per manufacturer s instructi...

Page 16: ...binet 7 Replace filter cabinet door 8 Turn on electrical supply to furnace Blower Motor and Wheel Maintenance To ensure long life economy and high efficiency clean accumulated dirt and grease from blo...

Page 17: ...aning Burners and Flame Sensor The following items must be performed by a qualified service technician If the burners develop an accumulation of light dirt or dust they may be cleaned by using the fol...

Page 18: ...burner assembly without striking the igniter on surrounding parts c Inspect igniter for signs of damage or failure d If replacement is required remove the screw that secures the igniter on igniter bra...

Page 19: ...xchangers The following items must be performed by a qualified service technician Primary Heat Exchangers If the heat exchangers get an accumulation of light dirt or dust on the inside they may be cle...

Page 20: ...ed Follow these procedures to winterize your furnace UNIT COMPONENT DAMAGE HAZARD Failure to follow this caution may result in damage to the furnace and other property damage Do not use ethylene glyco...

Page 21: ...ner Manifold A11461 Figure 12 Burner Flame SET SCREW MOTOR WHEEL HUB MOTOR SHAFT FLAT SCREW MOTOR ARM GROMMET SCREW LOCATION BLO HSG ASSY BRACKET BRACKET ENGAGEMENT SEE DETAIL A CAPACITOR OR POWER CHO...

Page 22: ...22 440 04 6601 03 Specifications subject to change without notice FLAME SENSOR BELOW BURNER FLAME ROLLOUT SWITCH BRACKET IGNITER IGNITER BURNER SUPT ASSY BURNER ASSY A11403 Figure 14 Burner Assembly...

Page 23: ...y If the burner flame is proven the blower motor is energized on HEAT speed 25 sec after the gas valve GV is energized Simultaneously the electronic air cleaner terminal EAC 1 is energized and remains...

Page 24: ...flash the status code of the previous fault or status code 11 1 short and 1 long flash if there was no previous fault After the control repeats the code 4 times the control will go through a brief com...

Page 25: ...control will repeat the ignition sequence 3 more times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the selected blower off delay Check t...

Page 26: ...26 440 04 6601 03 Specifications subject to change without notice 339236 2 Rev A Figure 16 Wiring Diagram...

Page 27: ...r motor capacitor when used Inducer motor module when used Pressure switch es FIRE EXPLOSION ELECTRICAL SHOCK AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in danger...

Page 28: ...URE 060 60 000 BTU hr 080 80 000 BTU hr 100 100 000 BTU hr 120 120 000 BTU hr INPUT HEAT 14 14 3 16 17 17 1 2 21 21 24 24 1 2 CABINET WIDTH 16 1600 CFM max 20 2000 CFM max 22 2200 CFM max COOLING AIRF...

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