General Information - Rheem Gra Series Installation Instructions Manual

GENERAL INFORMATION

The (-)GRA/(-)GRJ and (-)GTA/(-)GTJ
series furnaces are design-certified by
CSA for use with natural and propane
gases as follows:
1. As non-direct vent central forced
air furnaces taking combustion
air from the installation area or
using air ducted from the outside.
2. As direct vent central forced air
furnaces with all combustion air
supplied directly to the furnace
burners through a special air
intake system outlined in these
instructions.
FIGURE 1
UPFLOW FURNACE
ITEM
NO. PART NAME
1 CONDENSATE TRAP
2 DOOR SWITCH
3 JUNCTION BOX
4 TRANSFORMER
5 BLOCKED DRAIN PRESSURE SWITCH
6 MAIN PRESSURE SWITCH
7 EXHAUST TRANSITION
8 CONNECTOR
9 OUTLET AIR PIPE
10 SHIPPING PLUG
11 FLAME SENSOR
12 OVERTEMPERATURE SWITCH
4
Install this furnace in accordance with
the American National Standard
Z223.1 – latest edition entitled
"National Fuel Gas Code" (NFPA54)
and requirements or codes of the
local utilities or other authorities
having jurisdiction. This is available
from the following:
National Fire Protection
Association, Inc.
Batterymarch Park
Quincy, MA 02269
I409
ITEM
NO. PART NAME
13 TOP PLATE
14 BURNER
15 IGNITER (HSI ONLY)
16 COMBUSTION AIR INLET
17 GAS VALVE
18 INDUCED DRAFT BLOWER
19 CAPACITOR
20 LOW VOLTAGE (THERMOSTAT)
TERMINAL
21 CONTROL MOUNTING PLATE
22 BLOWER
CSA-INTERNATIONAL
8501 East Pleasant Valley Road
Cleveland, Ohio 44131-5575
Install units in Canada in accordance
with CSA-B149, local installation
codes and authorities having
jurisdiction. CSA-B149 is available
from:
CSA-INTERNATIONAL
178 Rexdale Blvd.
Toronto, Ontario
Canada M9W, 1R3
FIGURE 2
DOWNFLOW/HORIZONTAL FURNACE
ITEM ITEM
NO. PART NAME NO.
1 INDUCED DRAFT BLOWER 14
2 CAPACITOR 15
3 INLET AIR CHASE 16
4 DOOR SWITCH 17
5 JUNCTION BOX 18
6 INLET PIPE CONNECTOR 19
7 TOP PLATE 20
8 CONTROL MOUNTING PLATE 21
9 AUXILIARY LIMIT 22
10 SHIPPING PLUG 23
11 EXHAUST CONNECTION 24
12 BLOWER 25
13 EXHAUST PIPE EXTENSION 26
27
I409
PART NAME
LOW VOLTAGE TERMINAL (THERMOSTAT)
TRANSFORMER
PRESSURE SWITCH
OUTLET AIR PIPE
GAS VALVE
CONNECTOR
EXHAUST TRANSITION
CONDENSATE TRAP
IGNITER (HSI)
MANIFOLD
OVERTEMPERATURE SWITCH
ROLLOUT SWITCH
FLAME SENSOR
BURNER