Specifications
9
2.5.7 The Suntec model J4NB-A1000G use-oil pump (option # 2 ) shall have a n adjustable
pressure range of 20 to 40 psig.
2.5.8 The Suntec model J4NB-A1000G use-oil pump (option # 2) shall have a washable
234-micron stainless steel filter screen installed inside of the pump head. (Refer to the
CB-1750 Operator’s Manual and the J-Pump Inst aller’s Manual for the proper installation
of this pump.)
2.5.9 The suction oil line size for the Sunte c model J4NB-A1000G use-oil pum p (option # 2)
shall be ½” OD copper tubing running from the used-oil tank to the pump head.
2.5.10 The pressure oil line size, from the used-oil pump head to the burner unit, for the Suntec
model J4NB-A1000G use-oil pump (option # 2) shall be 3/8 ” OD copper tubing if less
than 75’ and ½” OD copper tubing if it is 75’ to a maximum of 150’.
2.5.11 All of the Clean Burn u sed-oil fuel supply units a re designed to be u sed as one-pipe
suction fed pump system.
2.5.12 It is re commended that t he used-oil be supplied from an inside tank for the best
performance and operation of the appliance.
2.5.13 It is recomm ended that when u sing an outside ab ove ground tank or a n outside below
ground tank that you in stall a “day tan k” inside of th e building and a pum ping transfer
system for the best performance and operation of the appliance.
2.5.14 The used-oil pump assembly shall be mounted above the oil tank and be as close to the
top of the tank as possible.
2.5.15 When installing more than one appliance into the building each appliance shall have its
own used-oil pump assembly for each burner.
2.5.16 A return line from the pump to the tank is not required. However, with the metering pump
assembly (option # 1) there is a relief valve assembly on the outlet of the pump head tha t
requires a return line to the tank.
2.5.13 The used-oil pump assembly shall be a close coupled gear type pump.
2.6 STACK:
Th e CB-1750 Central Fu rnace requires one 8” sta ck off of either sid e of the
appliance. The un-used stack bre eching must be capp ed off with the 8”, 24-ga uge
galvanized sheet metal cap that is included with the appliance.
2.6.1 The appliance includes one Field Type ‘M’ 8” barometric damper. This dam per shall be
installed in the exhaust stack leaving the appliance and be installed within 3 to 5 feet of
the breeching outlet as per the Codes and Regulations that are listed in Part 1 – Sections
1.4 through 1.4.4 of this bid specification as applicable.
2.6.2 This barometric damper shall be adjusted to maintain a natural draft over-the-fire of -.02”
W.C. to a -.04” W.C. and a stack draft of -.04” W.C. to -.06” W.C. at all times.
2.6.3 All other stack materials needed to install this appliance shall be the responsibility of the
installer.
2.6.4 Single wall stack can be used on the appliance on the inside of the building only. Where
single wall stack can be used it must be 24-gauge galvanized sheet metal only as per the
Codes and Regulations that are li sted in Part 1 – Section 1.4 through 1.4.4 of this bi d
specification as applicable.