Form 43343350
Dec 2017
-5-
5.0)
SPECIFICATIONS
Model No.
Btu/hr
High
Input
(2-stage)
Btu/hr
Low
Input
Air Plate
Part #
Orifice Size
Minimum *
Mounting Height
Turbulator
Qty.
Natural Gas
Propane Gas
@
Horizontal
@
45º Angle
R(B,S,M) S/U 040 40,000 25,000 44140061
#32
(0.116)
#49
(0.073)
10 ft.
9 ft.
4
R(B,S,M) S/U 050 50,000 30,000 44140064 3.5mm (0.138)
46
(0.081)
11 ft.
10 ft.
5
R(B,S,M) S/U 075 75,000 50,000 44140063
#21
(0.159) 2.5mm (0.098)
13 ft.
12 ft.
5
R(B,S,M) S/U 100 100,000 65,000 44140062
#12
(0.189)
#32
(0.116)
14 ft.
13 ft.
3
R(B,S,M) S/U 125 125,000 80,000 44140066
#4
(0.209)
#30
(0.129)
14 ft.
13 ft.
7
R(B,S,M) S/U 150 150,000 100,000 44140067
“A”
(0.234)
#27
(0.144)
15 ft.
14 ft.
4
R(B,S,M) S/U 175 175,000 110,000 44140067
“E”
(0.250)
#23
(0.154)
16 ft.
15 ft.
0
R(B,S,M) S/U 200 200,000 125,000 44140068 6.9mm (0.272) 4.1mm (0.161)
18 ft.
16 ft.
1
* 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 Mestek, Inc. representative for the
particulars of your installation requirements.
Model Identification:
Control Option
Suffix
Gas Type
Description
N1
Natural
Single Stage Gas Valve – Single Stage Input
L1
Propane
Single Stage Gas Valve – Single Stage Input
N2
Natural
Two Stage Gas Valve – Modulating Input – High/Low Fire
L2
Propane
Two Stage Gas Valve – Modulating Input – High/Low Fire
Type
Gas
Gas Pipe
Connection
Tube
Diameter
Flue
Connection
1
Fresh Air
Connection
1
Electrical
Supply
Current
Rating
Natural
or Propane
½” MPT
(Male)
4”
4” Round
4” Round
120 Volt, 60Hz,
1 Phase
1.74 Amp
1
See Section 16.0) for vent sizes when multiple heaters are connected into a common vent
Module Electrical Rating:
Ignition System (direct spark):
Input-Control: 18-30 VAC 50/60 Hz (class 2 transformer)
Input Power-Line: 120 VAC (L1, IND contacts only)
Flame Sensitivity: 0.7 uA (microamps) minimum
15 second trial for ignition period
15 second pre-purge period
60 second inter-purge period
30 second post-purge period
3 tries for ignition (separate flame sensor).
6.0)
PACKING LIST
A.
R(B,S,M) S/U Burner Package
Part Description
QTY
Burner Box Assembly (Refer to the following chart for Package Part Numbers) .......................... 1
4”ID x 4”Lg Flue Adapter Collar (#30504500) .................................................................................. 1
Fastener Kit – Burner Box Attachment/Flue Adapter Collar (#42907040) .................................. 1
Containing: #10 x 1/2” Self-Drilling Screws (#02189020) .................................................... 2
¼ - 20 Locknuts (#02167010) .............................................................................. 3
Tube Flange Gasket (#42921000) ........................................................................... 1
Turbulator 24” Long (#44152240) *See chart above for required quantities. .............................. *
Installation & Operation Instructions .................................................................................................... 1
Turnbuckle (#30545040) ......................................................................................................................... 1
Gas connector 5/8” OD x 36” (#30302360) – US only ....................................................................... 1
Screen Assembly – 2-5/8” ID x 5-1/2” Long (#44151010) 200M BTU models only ................... 1
End Reflector Package (#43341000) .................................................................................................. 1
Содержание 44488010
Страница 15: ...Form 43343350 14 Dec 2017 7 1 TYPICAL ASSEMBLY LAYOUT STRAIGHT SERIES SHOWN ...
Страница 16: ...Form 43343350 Dec 2017 15 8 0 DIMENSIONS STRAIGHT SERIES Typical Dimensions Up to 60 Ft Shown ...
Страница 17: ...Form 43343350 16 Dec 2017 8 1 DIMENSIONS U SERIES Typical Dimensions Up to 50 Ft Shown ...
Страница 18: ...Form 43343350 Dec 2017 17 8 2 HEATER ASSEMBLY JOINING OF TUBE SECTIONS ...
Страница 19: ...Form 43343350 18 Dec 2017 ...
Страница 52: ...Form 43343350 Dec 2017 51 20 0 CONTROL COMPONENT LOCATION ...
Страница 54: ...Form 43343350 Dec 2017 53 22 0 TROUBLESHOOTING GUIDE SINGLE STAGE N1 L1 ...
Страница 55: ...Form 43343350 54 Dec 2017 TROUBLESHOOTING GUIDE SINGLE STAGE CONTINUED ...
Страница 56: ...Form 43343350 Dec 2017 55 TROUBLESHOOTING GUIDE SINGLE STAGE CONTINUED ...
Страница 57: ...Form 43343350 56 Dec 2017 22 1 TROUBLESHOOTING GUIDE TWO STAGE N2 L2 ...
Страница 58: ...Form 43343350 Dec 2017 57 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED ...
Страница 59: ...Form 43343350 58 Dec 2017 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED ...
Страница 61: ...Form 43343350 60 Dec 2017 23 2 REMOVING GAS VALVE AND MANIFOLD ASSEMBLY 23 3 AIR SWITCH PRESSURE CHECK ...
Страница 66: ...Form 43343350 Dec 2017 65 ...