125
appendix a - Figures
(continued)
Figure
number
Page
number Description
Section iV - Venting (continued)
Figure 33
42
Multiple Boiler Concentric Vent Termination
Section V - Condensate Disposal
Figure 34
44
Condensate Trap and Drain Line
Section Vi - Water Piping and Trim
Figure 35
45
Factory Supplied Piping & Trim Installation
Figure 36
50
Near Boiler Piping - Heating Only
Figure 37
51
Near Boiler Piping - Heating Plus Indirect Water Heater
Figure 38A
52
Isolation of the Boiler From Oxygenated Water with A Plate Heat Exchanger
(IWH Piped as Part of Boiler Piping)
Figure 38B
53
Isolation of the Boiler From Oxygenated Water with A Plate Heat Exchanger
(IWH Piped Off System Header)
Figure 39A
54
Multiple Boiler Water Piping w/Domestic Hot Water Heater (Page 1 of 2)
Figure 39B
55
Multiple Boiler Water Piping w/Domestic Hot Water Heater (Page 2 of 2)
Figure 40A
56
Alternate Multiple Boiler Water Piping w/ Indirect Domestic Hot Water Heater (Page 1 of 2)
Figure 40B
57
Alternate Multiple Boiler Water Piping w/Indirect Domestic Hot Water Heater (Page 2 of 2)
Section Vii - gas Piping
Figure 41
61
Recommended Gas Piping
Figure 42
62
Gas Inlet Pressure Tap and Pressure Switch Location
Section Viii - Electrical
Figure 43
65
Ladder Diagram
Figure 44
66 & 67
Wiring Connections Diagram
Figure 45A
68
Modified Wiring For DHW Priority When Using Low Flow Circulator Piped Off System Header -
Heating (with Central Heating Circulators) Plus Alternately Piped Indirect Water Heater
Figure 45B
69
Modified Wiring For DHW Priority When Using Low Flow Circulator Piped Off System Header -
Heating (with Central Heating Zone Valves) Plus Alternately Piped Indirect Water Heater
Figure 46
70
Multiple Boiler Wiring Diagram, Internal Sage2.1 Multiple Boiler Control Sequencer (Three Boilers
Shown, Typical Connections for up to Eight Boilers)
Figure 47A
71
Multiple Boiler Wiring Diagram w/Tekmar 265 Control
Figure 47B
72
Multiple Boiler Wiring Diagram w/Tekmar 264 Control
Figure 48
73
Recommended Direct Immersion Header Sensor Installation Detail
Figure 49
73
Alternate “Immersion” type Header Sensor Installation Detail
Figure 50
74
RJ45 Splitter Installation Detail
Section iX- System Start-Up
Figure 51
76
Lighting Instructions
Figure 52
78
Burner Flame
Figure 53
79
Dungs Gas Valve Detail
Summary of Contents for Apex APX399
Page 65: ...65 VIII Electrical continued Figure 43 Ladder Diagram ...
Page 66: ...66 VIII Electrical continued ...
Page 67: ...67 Figure 44 Wiring Connections Diagram VIII Electrical continued ...
Page 110: ...110 1P 3 1P 2 1P 1 XIII Repair Parts continued 1C 1D 1E ...
Page 116: ...116 XIII Repair Parts continued ...
Page 118: ...118 XIII Repair Parts continued ...
Page 129: ...129 SERVICE RECORD DATE SERVICE PERFORMED ...
Page 130: ...130 SERVICE RECORD DATE SERVICE PERFORMED ...
