Dettson HMR Installation Instructions And Homeowner's Manual page 17

Control used:
"Triple relay Multizone" temperature control Honeywell # L8124L1029B
DNS-0943 Rev. C
Burner Stop
Start
Circulator Stop
Start
Set
°F °C
200 93
See "Typical settings without coil" in table on page 18
Maximum High-Limit setting = 210°F
Typical connection with or without sanitary water coil
Operation and typical settings
"Hi" contact opened -or- if Thermostat opened, "Lo" contact opened
"Hi" contact closed and Therm. closed -or- if Therm. opened, "Lo" contact closed
Thermostat opened -or- "Circ" contact opened
Thermostat closed -and- "Circ" conctact closed
Typical settings with coil:
"Hi"
Diff.
°F °C
10 5.6
Typical settings without coil :
FIGURE 5.3
Operation:
Set
°F
180
"Lo"
Diff.
°C °F
82 10
°C
5.6
17