Thermo Pride GMA1-60D48N, Инструкция по установке и обслуживанию

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All installations and services must be performed by qualified service personnel.
8
in sizing the proper orifice. Thermo Products
Engineering Department will gladly assist in sizing the
orifice if you provide them with the heating value in BTU
per cubic foot and the specific gravity of the fuel gas.
BURNER ADJUSTMENT
c
CAUTION: The GMA1 / GMC1 furnace models
utilize an in-shot burner design that does not require
an air shutter adjustment (air shutters are not used)
for proper flame characteristics.
This unit is designed to not require any burner
adjustment. The flames should be checked by looking
through the sight glass located on the burner mounting
plate. Burner flames should be clear, blue, and almost
transparent in color, See Figure 7
NOTE: It is not unusual for propane to have
mostly blue flames with yellow or orange tips visible in
the chamber after it has struck the flame spreader.
Figure 7
SETTING TEMPERATURE RISE
The furnace is designed and wired at the factory for a
heating blower speed that should result in an
approximate temperature rise of 60
 F for all furnace
listed in this manual.
The blower motor is wired on low speed for heating
mode of the 60K models and medium low speed for
heating mode of the 75K models.
The temperature rise through the furnace may vary
depending on the duct system, elevation, heating value,
etc. for each installation.
After 10 to 15 minutes of continuous operation, the
temperature rise through the furnace must fall within a
range of 45

F to 75

F. If the outlet or supply duct
temperature is too high, check to make sure the return
air filter is clean, the return air registers are free from
obstruction, the outlet registers are properly adjusted
and clear, and the supply and return air ducts are open.
The circulating air blower is not moving enough air if the
supply air temperature is still too high. Before
proceeding further, turn off the power supply to the
furnace and remove the blower door. The speed of the
blower must be increased by changing the speed tap
from the motor (see wiring diagram). This is
accomplished by locating the control panel attached to
the blower housing and switching the blower lead, which
should be connected to the “Heat” terminal on the
integrated furnace control, with one of the higher speed
blower leads attached to a terminal marked “Park”. Be
sure to attach any unused blower leads to a terminal
marked “Park”. Replace the blower door and turn on the
power supply.
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 section IV. H. Gas Piping of this
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 integrated fan control.
Check safety limit control as follows:
a) Shut off incoming power.
b) Block return air opening or disconnect blower
motor leads.
c) Restore power to furnace.
d) Set thermostat above room temperature calling for
heat.
e) When high air temperatures are reached in
furnace at limit control setting with blower out of
operation, burner should shut off. Set thermostat
above room temperature calling for heat
f) Shut off electrical power.
IMPORTANT: Remove blockage or reconnect blower
motor and restore power.
Make certain thermostat will automatically start and stop
furnace.
INSTALLER'S INSTRUCTIONS TO USER
After completing the installation, the installer shall inform
and/or demonstrate to the homeowner:
The location of all the instructions in the furnace must be
kept along with instructions for any accessories in the
plastic pouch near the furnace.
The location and use of the manual gas shut off valve
and furnace electrical disconnect switch. Instruct user to
always shut off gas before shutting off electric power.
The sequence of operation of the furnace.
The correct operation and maintenance of the appliance
as outlined in the Users Information section of this
manual.
That failure to maintain and operate this furnace in
accordance with these instructions could result in
hazardous conditions, bodily injury, and property
damage and may void the limited warranty on the
furnace.
Review with and encourage the user to read the Users
Information section of this manual along with the
warnings and instructions outlined in this manual.
Recommend the user has a qualified heating contractor