Rheem (-)GRC Series Installation Instructions

INSTALLATION CHECK LIST
REFER TO INSTALLATION INSTRUCTIONS
GAS SUPPLY
Adequate pipe size
Correct supply pressure (during furnace operation)
Manifold pressure
No gas leaks
L.P. Kit Number (if applicable)
ELECTRICAL
115 V.A.C. supply (Single Circuit)
Polarity observed
Furnace properly grounded
Adequate wire size
FURNACE INSTALLATION
Adequate clearance to combustibles
Adequate clearance for service (at front)
DUCT STATIC PRESSURE
in. w.c. on heating speed
in. w.c. on cooling speed
Air temperature rise
CONDENSATE LINE
Trap filled with water
Vented
Sloped toward drain
Condensate drain line hoses connected
and clamped
Freeze protection (if necessary)
VENTING – DIRECT VENT
in. diameter – intake pipe
in. diameter – exhaust pipe
ft. of pipe – intake air
no. of elbows – intake air
ft. of pipe – exhaust pipe
no. of elbows – exhaust pipe
Exhaust vent temp.
TERMINATIONS – DIRECT VENT
VERTICAL
Intake – 12" min. above roof/snow level
Correct relationship – exhaust to intake
HORIZONTAL/VERTICAL – CONCENTRIC (RXGY-E03A)
Intake – 12" min. above roof/snow level
Intake “Y” rotated above center
Exhaust sloped toward furnace
HORIZONTAL – STANDARD (RXGY-D02, -D02A, -D03,
D03A)
Correct relationship – exhaust to intake
12" min. above grade/snow level
HORIZONTAL – ALTERNATE (RXGY-D02, -D02A, -D03, -
D03A)
Correct relationship – exhaust to intake
Above anticipated snow level
VENTING – NON-DIRECT VENT
in. diameter – exhaust pipe
ft. of pipe – exhaust
no. of elbows
TERMINATION – NON-DIRECT VENT
VERTICAL
12" min. above roof/snow level
HORIZONTAL – STANDARD
12" min. above grade/snow level
HORIZONTAL – ALTERNATE
Above anticipated snow level
Model Number
Serial #
Date of Installation
2

Rheem (-)GRC Series Specifications

General

Brand	Rheem
Model	(-)GRC Series
Category	Furnace
Language	English