Dettson HMR Installation Instructions And Homeowner's Manual page 15

Control used:
"Triple action" temperature control - Honeywell # L6081A or
White Rodgers # 11C61 (Aquastat Triple, Hi-Lo/Circ)
DNS-0144 Rev. H
Burner Stop
Start
Circulator Stop
Start
Set
°F °C
180 82
Maximum High-Limit setting = 210°F
Typical connection without sanitary water coil
Operation and typical settings
Thermostat opened -or- "Hi" contact opened
Thermostat closed -and- "Hi" contact closed
"Circ" contact opened
"Circ" contact closed
"Hi"
Diff.
°F °C
10 5.6
FIGURE 5.1
Operation:
Settings:
Set
°F
140
"Lo / Circ"
Diff.
°C °F
60 10
°C
5.6
15