Reznor MAPS - A,B,C Users Manual - Manual (Page 4)

Form O-MAPSIII&IV Cabinets A/B/C, Page 4
2.1 Maintenance
Schedule
Monthly
□ Inspect filters; clean or replace as needed. See Paragraph 3.1.
□ Inspect the condensate drain; clean as needed. For information, see the
installation manual, Form I-MAPSIII&IV, Paragraph 6.2.
Semi-Annually
□ Inspect the unit blower and belts. Check belts for tension, wear, and alignment.
Adjust or replace as needed. Clean dirt from blower and motor. See Paragraph
3.2.
Annually
NOTE: Redo the cooling startup procedures when the cooling season begins. Refer
to Startup instructions in the installation manual, Form I-MAPSIII&IV, Paragraph 10.0.
All Models - Beginning of the cooling season or more frequently
in year-round cooling climate:
□ Inspect the wiring for any damaged wire. Replace damaged wiring.
□ Inspect the condensate drain pan. Clean the coil cabinet, clean the drain pan,
and fill the trap.
□ Inspect/clean condenser fans. See Paragraph 3.3.
□ Inspect/clean all coils. See Paragraph 3.4.
□ Check compressor operation. See Paragraph 3.6.
□ Check refrigerant pressure and temperatures (superheat and subcool). These
checks are done when the system is operating. See Paragraph 3.5.
Models RDCB, RDCC, RDDB, & RDDC with a gas heat section
(beginning of the heating season) - See Paragraph 4.0:
NOTE: A MAPS ® B cabinet with 500 MBH of heat is a Size 250 gas heat section
plus an optional Model JHUP curb duct furnace. A MAPS ® C cabinet with 1000
MBH of heat is a Size 700 gas heat section plus an optional Model JHUP curb duct
furnace. The same maintenance procedures apply to the duct furnaces.
□ Clean all dirt and grease from the combustion air openings and the venter
assembly.
□ Check the heat exchanger, burner, and venter for scale, dust, or lint
accumulation. Clean as needed.
□ Check the gas valves to ensure that gas flow is being shutoff completely.
Models RECB, RECC, REDB, & REDC with an electric heat section
(beginning of the heating season) - See Paragraph 5.0:
□ Check wiring connections.
□ Check the heat section and elements for dust or lint accumulation. Carefully
clean as needed.
2.0 Maintenance
Requirements
(cont'd)
Important NOTE:
If equipped with an
optional energy recovery
module, refer to Form
I-MAPSIII&IV-ER
for enthalpy wheel
maintenance instructions