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Typical connection for system with finned tube radiators and without sanitary water coil
Control used:
- "Triple action" temperature control -Honeywell # L6081A or
White Rodgers # 11C61 (Aquastat Triple, Hi-Lo/Circ)
- Pump relay Honeywell # RA89A or White Rodgers # 809A
DNS-0145 Rev. G
Burner
Stop
Start
Circulator
Stop
Start
Set
°F
°C
200
93
Maximum High-Limit setting = 210°F
Operation and typical settings
Operation: (the boiler is maintained warm)
"Lo" contact opened
"Lo" contact close
Thermostat opened -or- All zone valves closed
Thermostat closed -or- One zone valves opened
"Hi"
Diff.
°F
°C
10
5.6
FIGURE 6.2
Settings:
Set
°F
180
"Lo / Circ"
Diff.
°C
°F
82
10
°C
5.6
15
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