Carrier 58GSC - Manual

HEATING A COOLING
58DRC,58GSC
Accessory Gas Conversion Kit
Installation Instructions
Gas Conversion Kit
Propane 100% Shutoff IID-To-Natural 100% Shutoff MD
For Gas-Fired Natural-Draft Furnaces
P/N 58GSC900-031-
This instruction covers the installation of gas conversion kit
P/N 58GSC900-031- in a Model 58GSC Upflow or Model
58DRC Downflow Natural-Draft Furnace with the BDP
646A or the White-Rodgers 36E Gas Valve. The kit can be
used to convert propane gas 100% shutoff IID controls to
natural 100% shutoff IID. It is designed for use in furnaces
with 30,000- thru 100,000-Btuh nominal output capacity.
These furnaces are to be installed only within California.
NOTE: The definition of 100% shutoff refers to automatic
shutoff of the pilot and main burner gas when the ignition
source is not proven.
NOTE: Read the entire instructions before starting the
installation. There are additional peirts shipped in the kit.
When the installation is complete, discard the unused parts.
A CAUTION
Do not use this kit to convert 58DR and 58GS units to
natural gas apphcations.
A WARNING
Improper installation, adjustment, alteration, service,
maintenance, or use can cause carbon monoxide poison­
ing, explosion, fire, electrical shock, or other conditions
which may cause personal injury or property damage.
Consult a qualified installer, service agency, local gas
supplier, or your Distributor or Branch for information
or assistance. The qualified installer or agency must use
only factory-authorized kits or accessories when modi­
fying this product.
New NOx burners must be installed along with this kit. The
burners are not supplied with the kit. Order the required
number of burners for the furnace being converted. Order
burner P/N 309472-751.
This kit contains the following items:
Table 1 —Kit Contents
DESCRiPTiON P/N QTY
Naturai Conversion Kit—Reguiator Spring for
White-Rodgers 36E Gas Vaive (Siiver, 10
Turns)
EF39ZW037 1
Naturai Regulator Spring for BDP 646A Gas
Valve (Silver, 3-Ins. Long) 301248-101 1
Pilot Orifice (Silver, 1/2-ln. Long, 0.018-In.
Orifice Diameter) 307123-701 1
Main Burner Orifice No. 45 LH32DB205 6
Gas Control Conversion Label 310148-302 1
Conversion Responsibility Label 310167-312 1
Conversion Rating Plate 310168-312 1
installation Instructions 58D, G-2SI 1
A WARNING
This conversion kit is to be installed by a
Carrier factory-authorized Dealer, Dis­
tributor, or other qualified agency in
accordance with the manufacturer’s
instructions and all codes and require­
ments of the authority having jurisdic­
tion. A failure to foUow instructions could
result in serious injury or property dam­
age. The qualified agency performing this
work assumes responsibility for this
conversion.
A. Installation of Pilot Orifice
1. Turn off gas and electric supplies to furnace.
2. Remove control access door.
3. Disconnect pilot gas tube from gas valve.
4. Unplug electrode wire from spark generator.
5. Remove pilot assembly from burner and furnace.
6. Using backup wrench, remove gas supply tube from
pilot.
7. Remove and discard propane gas pilot orifice (silver,
5/8-in. long, 0.012-in. diameter orifice, knuHj
gas supply opening of pilot.
SECONDARY
AIR SHIELD
MANIFOLD
SUPPORT
BRACKET
RETAINING SCREWS
(2) EACH SIDE
MANIFOLD
UNIT RATING PLATE
CONVERSION
RATING PLATE
CONTROL
COMPARTMENT
SHELF
-BURNER
LOCATING PIN
A80129
Fig. 1—Gas Controls
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obiigations.
Book] 1
I
4 PC 101 Catalog No. 565-817 Printed in U.S.A. Form 58D,G-2SI Pg 1 11-88 Replaces: 58SSB-4SI
Tab 16a 18a