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Harsco Industrial, Patterson-Kelley Technical Service 1.877.728.5351
Gas Fired Boiler
TABLE OF CONTENTS
T
able
of
C
onTenTs
1 I
nTroduCTIon
4
2 s
afeTy
5
2.2 Safety Precautions
5
2.3 Training
6
2.4 Hazard Warnings
6
2.4.1 Electrical Hazards
6
2.4.2 Crush Hazards
6
2.4.3 Bump Hazards
6
2.4.4 Pressure Hazards
6
2.4.5 Slip, Fall Hazards
6
2.4.6 Chemical Hazards
7
2.4.7 Burn, Fire and Explosion Hazards
7
3 I
nsTallaTIon
8
3.1 Receiving and Storage
8
3.2 Compliance with Codes
8
3.3 Setup
8
3.3.1 Foundation
8
3.3.2 Placement
8
3.3.3 Clearances
8
3.4 Electrical Connections
9
3.4.1 The Power Input Junction Box
9
3.4.2 High Voltage (TB2) Terminal Block
10
3.5 Inlet Air and Exhaust Venting
11
3.5.1 Applicable Codes and Standards
11
3.5.1.1 Gas Vent Categories
12
3.5.1.2 Venting Materials for Flue/Exhaust Systems
12
3.5.2 Combustion Air Materials and Sizes
13
3.5.2.1 Air Inlet Requirements — United States
14
3.5.2.2 Air Inlet Requirements – Canada
14
3.5.3 Flue Venting
15
3.5.3.1 Vent Sizing
15
3.5.3.2 Required Clearances
16
3.5.3.3 Flue Connection
17
3.5.3.4 Vent Termination
17
3.5.4 Venting for Multiple Boilers
17
3.5.5 Sealed Combustion/Direct Vent Systems
18
3.5.5.1 Inlet Duct Connection to Boiler
18
3.5.5.2 Intake Duct Materials and Sizes
18
3.5.6 Removing an Existing Boiler
18
3.6 Gas Piping
19
3.6.1 Gas Supply Piping by Installer
19
3.7 Boiler Water Piping
20
3.7.1.2 Piping with Air Handling Units
20
3.7.1.1 Piping with Refrigeration Lines
20
3.7.2 Boiler Inlet and Outlet Connections
20
3.7.3 Boiler Water Piping by Installer
21
3.7.4 Flushing and Filling
21
3.8 Pre-Start Checklist
22
3.9 Safety Checks
22
3.9.1 Test of Ignition Safety System
22
3.9.2 Test of Low Water Cut-out
22
3.9.3 Test of High-Limit Control
23
3.9.4 Test of Gas Pressure Switches
23
3.10 Initial Adjustments
23
3.10.1 Operating Temperature Controller
23
3.10.2 Boiler Set Point
24
3.10.3 Other CH Parameters
24
3.10.4 Other Parameters
24
3.10.5 Additional Menu Items
24
3.10.6 Service Menu
25
3.11 Fuel/Air Adjustment
25
3.11.1 Gas Pressure Adjustment
25
3.11.2 Combustion Setup and Adjustment
25
4 o
peraTIon
27
4.1 General
27
4.1.1 Control Panel Front
27
4.1.2 Factory Tests
27
4.2 Normal Lighting and Shut-Down Procedures
27
4.2.1 Lighting Procedures
27
4.2.2 Normal Shut Down Procedures
27
4
.3 Emergency Shut Off
27
4.4 Typical Boiler Operating Conditions
27
5 M
aInTenanCe
28
5.1 Maintenance and Inspection Schedule
28
5.1.1 Daily
28
5.1.2 Weekly
28
5.1.3 Monthly
28
5.1.4 Semi-Annually
28
5.1.5 Annually
29
5.2 Cleaning the Burner
29
5.3 Removing the Heat Exchanger
29
5.4 After Repairs or Maintenance
29
5.5 Sequence of Operation
30
5.6 Troubleshooting
30
5.6.1 Loss of Power
30
5.6.2 Loss of Water Level
30
5.6.3 Low Gas Pressure
31
5.6.4 High Gas Pressure
31
5.6.5 High Water Temperature
31
5.6.6 Low Air
31
5.6.7 Flame Failure
31
5.6.8 Flame Error
31
5.6.9 Stack Problem
31
5.7 Manual Reset Error Codes
32
5.8 Auto-Reset Error Codes
33
6 p
arTs
/T
eChnICal
s
upporT
34
6.1 Wiring Diagrams
34
6.1.1 Terminal Block Assignments – Power Block
34
6.1.2 Terminal Block Assignments — High Voltage Circuit (TB2) 34
6.1.3 Terminal Block Assignments — Low Voltage Circuit (TB1)
35
6.1.4 SC-3000 & SC-4000 Transformer Diagram
36
6.1.5 SC-3000/SC-4000 Boiler Wiring Diagrams
40
6.1.5.1 SC-3000/SC-4000 Dual Fuel 240 Volt
40
6.1.5.2 SC-3000/SC-4000 Dual Fuel 480 Volt
42
6.1.5.3 SC-3000/SC-4000 240 Volt
44
6.1.5.4 SC-3000/SC-4000 480 Volt
46
6.2 Boiler Parts List
48
6.2.1 Main Assembly
48
6.2.2 Control Panel
49
6.2.3 SC-3000/SC-4000 Heat Engine
50
6.2.4 SC-3000 Gas Train
50
6.2.5 SC-4000 Gas Train
51
7 l
IMITed
W
arranTy
52
a
ppendIx
1: M
aInTenanCe
l
og
54
a
ppendIx
2: b
oIler
a
lTITude
d
eraTe
s
Chedule
55
M
ulTI
-M
eTal
s
ysTeMs
W
aTer
Q
ualITy
s
Tandards
56