Midco Economite RE4400DS - Manual (Page 4)

? A draft hood or a barometric draft regulator shall be installed in the same room or
enclosure as the equipment in such a manner as to prevent any difference in the pressure
between the hood or regulator and the combustion air supply (see Figures 3 and 4). In no
case shall the relief opening of the draft hood or barometric draft regulator be located at a
point lower than the top of the highest flue passage in the equipment.
? Gas utilization equipment requiring controlled draft may be equipped with a listed double
acting barometric draft regulator, if approved by local codes (see Figure 4).
? If a device which will automatically shut off the gas to the burner in the event of sustained
backdraft is required. It shall be of the listed manual reset type and installed and adjusted by
a qualified service technician in accordance with the manufacturer’s instructions.
? Refer to gas utilization equipment manufacturer for recommended vent connection
requirements.
____________________________
CAUTION:Refer to wiring diagram in Figure 5 or located on the inside of the
burner housing cover.
Installation wiring and grounding to the burner must conform to local codes, or, in their
absence in the United States to National Electric Code, ANSI/NFPA No. 70 latest edition;
in Canada, to Canadian Electrical Code Part 1, CSA Standard C22.1
? Use copper wire not less than 14 gage for line voltage wiring. Hook up to a dedicated line
with an on-off disconnect switch and a minimum 10 Amp breaker.
? The frame of the burner should be well grounded. Normally the piping and/or electric
Part 1
Installation Continued
4
Part 1 Installation
Figure 3: Recommended Locations for Draft Hoods
Figure 4: Location for Barometric
Draft Regulators
Note: Figure 3 and 4 :
Copyright by American Gas
Association.
Used by permission of the
copyright holder.
V Electrical
IV Chimney, Vent
Connector and
Draft Control
Continued