Camus Hydronics DynaMax DMH201 Installation And Service Manual page 29

Levels of Access
Two levels of access to simplify the use of the boiler.
User – Access to general boiler and display settings and
adjustments to the central heating, domestic hot water and
lead lag setpoint.
Installer – Access to all user parameters and allows for
changes to additional boiler parameters to allow for ease of
startup and serviceability.
The screenshot below displays the default homescreen.
Figure 24: Home Screen
The first five parameters can be user customizable to reflect
the most vital information required on the boiler. The list of
available parameters is outlined in the table below. This can
be done by pressing:
1)
2) Scroll to Display Setup, press
3) Select the line item that is required to be altered,
press
4) Select parameter, and press
PARAMETER
Standard parameters
System setpoint Indicates active setpoint
Indicates temperature at modulation sensor
Operating temp
(Default: inlet sensor)
Outlet Outlet Water Temperature [
Inlet Inlet Water Temperature [
Outdoor Outdoor Temperature [
Additional user configurable parameters
Outlet and Inlet water temperature differential
Delta T
o
[ F]
LL Operating Indicates temperature at modulation sensor, if
Temp equipped (Default: S5: system sensor)
LL system
Indicates active lead lag setpoint
setpoint
Fan speed Actual fan speed [RPM]
Flame signal Actual flame signal [Vdc]
Firing Rate Target fan speed [RPM]
DHW DHW Temperature [
DESCRIPTION
o
F]
o
F]
o
F], if equipped
o
F] ], if equipped
Stack Stack Temperature [
4-20mA 4-20mA input, if equipped
PARAMETER
Boiler name DynaMax HS model
State Indicates current boiler operation sequence
Indicates origin of call for heat (CH, DHW,
Demand
Lead Lag)
Access Status User, Installer
Outdoor Outdoor Temperature [
Alert or Lockout. Section 5.4 provides
Error
additional details.
Pressing provides additional troubleshooting information
on the diagnostic screen.
Figure 25: Diagnostic Screen
PARAMETER
Boiler pump Pump A
Auxiliary
Pump B. 3-way valve diverter operation
Pump
DHW Pump Pump C. Additional contact rated for 1/6hp.
Sequence of Operation
Pump A is energized for any call for heat
Pump B is energized on CH
Pump C is energized on DHW
LCI:
Flow Switch (N/O)
LWCO (N/O, if equipped)
Front Thermal Fuse (N/C)
Rear Thermal Fuse (N/C)
Blocked Flue Switch (N/C)
Interlock:
High Limit (N/C)
o
F], if equipped
DESCRIPTION
o
F], if equipped
DESCRIPTION
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