Space-Ray CB30-N5 - Specifications; Packing List

Form 43471000
May 2021 -5-
5.0) SPECIFICATIONS
Model
No.
Btu/hr
High
Input
(2-stage)
Btu/hr
Low
Input
Heat
Exchanger
Length
Total
Heater
Length
Flue Restrictor
Plate
I.D. & Part #
Orifice Size
Minimum *
Mounting Height
Natural Gas
Propane Gas
@
Horizontal
@
45º Angle
CB 20
20,000
n/a
16’
9’-3”
7/8”
42741120
#45
(0.082)
#52
(0.064)
8’
8’
CB 30
30,000
n/a
7/8”
42741120
#38
(0.101)
#52
(0.064)
8’
8’
CB 40
40,000
25,000
1”
42741041
#31
(0.120)
#49
(0.073)
8’
8’
CB 50
50,000
31,500
1-1/8”
42741031
3.3 mm
(0.130)
#46
(0.081)
8’
8’
* MOUNT HEATERS AS HIGH AS POSSIBLE. Minimums are shown as a guideline for human comfort and uniform
energy distribution for complete building heating applications. Consult your Space-Ray representative for the
particulars of your installation requirements. LOWER MOUNTING KIT required for installations between 6 ft. and
8 ft. Refer to Section 6.1).
Model Identification:
Control Option
Suffix
Gas Type
Description
N5
Natural
Single Stage Gas Valve – Single Stage Input
L5
Propane
Single Stage Gas Valve – Single Stage Input
N7
Natural
Two Stage Gas Valve – Modulating Input – High/Low Fire
L7
Propane
Two Stage Gas Valve – Modulating Input – High/Low Fire
Type
Gas
Gas Pipe
Connection
Tube
Diameter
Flue
Connection
Fresh Air
Connection
Electrical
Supply
Current
Rating
Natural
or Propane
½” MPT
(Male)
3”
4” Round
4” Round
120 Volt, 60Hz,
1 Phase
2.6 Amp
Module Electrical Rating:
Ignition System (direct spark):
Fuse : 2 Amp 250V (for 24V Circuit) Input Power
Input-Control: 18-30VAC 60 Hz (class 2 transformer)
Flame Sensitivity: 0.7 uA (microamps) minimum
30 second pre-purge period
21 second trial for ignition period
Single trial for ignition (local sense)
6.0) PACKING LIST
A. Control/Draft Inducer Package
Part Description QTY
Control Box Assembly .............................................................................................................................. 1
Draft Inducer Assembly (with 4” Starting Collar #40504020) .......................................................... 1
Flue Restrictor Plate (refer to 5.0) for I.D. & part number) ................................................................. 1
15” Plastic Vacuum Air Tube (#03988150) .......................................................................................... 1
Control Fastener Kit (#42787000) ........................................................................................................ 1
Containing: ¼ - 20 Locknuts (#02167010) ............................................................. 6
Tube Flange Gaskets (#42921050) ...................................................... 2
Gas Connector 5/8” OD x 36” (#30302360) US only ......................................................................... 1
Installation & Operation Instructions (#43471000) ........................................................................... 1