All installations and services must be performed by qualified service personnel.
29
ORIFICE CHART
FURNACE
MODEL NO.
L.P.
NAT.
PGT5-100
PGT11-125
PGT16-160
PGL20-180
PGL33-250
PGL37-312
PGL39-400
.113 OR #33 DMS
.1285 OR #30 DMS
.144 OR #44 DMS
.213 OR #3 DMS
.265 OR 17/64 DMS
.297 OR 19/64 DMS
.332 OR Q DMS
.196 OR #9 DMS
.213 OR #3 DMS
.238 OR B DMS
.277 OR J DMS
.332 OR Q DMS
.390 OR 25/64 DMS
.468 OR 15/32 DMS
D. FURNACE CHECKOUT PROCEDURE
Before any system of gas piping is finally put into service, it shall be carefully tested to assure that it is gas tight as
indicated in Gas Piping Section of Burner Manual.
NOTICE:
All controls on the unit should be checked for proper functioning prior to the qualified service personnel
leaving the job site. Specifically the following should be checked:
With furnace in normal heating operation, check to make certain blower will start and stop automatically under
control of fan switch.
a. Check safety limit control as follows:
1. Shut off incoming power.
2. Block return air opening or remove blower belt on belt drive or unplug blower at terminal strip on direct drive.
3. Restore power to furnace.
4. Set thermostat above room temperature calling for heat.
5. When temperatures are reached in furnace at limit control setting with blower out of operation, burner should be
shut off.
6. Shut off electrical power, remove blockage and restore power.
b. Make certain thermostat will automatically start and stop the burner and fan control operates blower properly.
IV. INSTALLER'S INSTRUCTIONS TO USER:
After completing the installation, the installer shall inform and demonstrate to the homeowner: 1. The Sequence of
Operations. 2. Operating Instructions and Routine Maintenance. 3. Review label reproductions at beginning of this
manual.
Содержание PGL20-180
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