Thermo Pride PGL20-180, Installation And Service Manual

Page: 15 / 38

All installations and services must be performed by qualified service personnel.
13
to have the possibility of being carcinogenic to humans. IARC has also classified these fibrous materials as group 2A
carcinogens when they have undergone long term exposure to temperatures greater than 18000F. A group 2A agent
is considered to have the probability of being carcinogenic to humans. For these reasons, we suggest the use of a 3M
9900, 3M 8710, or equivalent mask when working with any ceramic fiber products. For further information, contact
the Manager of Customer Service for Rex Roto Corporation at (517) 324-7533.
HORIZONTAL FURNACE POSITIONS:
The horizontal furnace may be turned end for end, or rotated, making the top into the bottom, as shown below.
After the furnace has been positioned, the bottom burner mounting stud must be removed before mounting the
burner. Also, the fan & limit and its mounting bracket must be properly positioned once the unit is in place. (See
section N on fan & limit position and location).
MIDCO RE32 BURNER ADJUSTMENT
In order to properly set-up a furnace with a Midco RE32 burner,Thermo Pride’s recommendation is to utilize a
Modified version of Midco’s instruction together
with combustion equipment and a carbon monoxide detector. It
must be emphasized that the gas equipment is operating properly and safely requires combustion equipment and a
carbon monoxide detector.
1. Check unit for signs of sooting and clean as necessary, the furnace heat exchanger, flue, and chimney.
2. Open the air adjustment completely. Turn adjustment screw counterclockwise until it stops.
3. To achieve a starting point for proper combustion, adjust the air adjustment screw according to the chart below
For the applicable Thermo Pride furnace utilizing the Midco RE32 burner.