Camus Hydronics DRH300, Installation, Operation And Service Manual

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5.7 DYNAFORCE® SOLA
DR300 – DR2500 models utilize a hot surface ignition system.
DR3000 – DR5000 models utilize a proven pilot. The ignition
control proves the presence of the flame using a flame
rectification voltage (0.8Vdc), energizes the main gas valve,
proves the presence of main burner flame, and provides for
lockouts. The Alarm light will be lit on the ignition control
module in the event of a fault.
Figure 21: Ignition Module
5.7.1 SERVICE PARTS
The electronic ignition module is not repairable. Any
modification or repairs will invalidate the warranty and may
create hazardous conditions that result in property damage,
personal injury, fire, explosion and/or toxic gases. A faulty hot
surface igniter or ignition module MUST BE replaced with a
new factory approved unit only. A factory approved igniter,
ignition control module and flame sensor for this specific unit is
available from your local distributor. DO NOT use general
purpose field replacement ignition modules, igniters or
sensors. Each appliance has one ignition module, one hot
surface igniter and one flame sensor.
5.7.2 IGNITION MODULE LOCKOUT FUNCTIONS
The ignition module may lockout in either a hard lockout
condition requiring pushing of the reset button to recycle the
control for a CSD1 requirement or a soft lockout condition
which may be reset automatically once the error clears. A
typical hard lockout fault can occur with single a trial for ignition
CSD1 module. Pushing the reset button on the ignition control
is the only way to reset an ignition module that is in a hard
lockout condition. The reset button is located on the ignition
module. Turning the main power “OFF” and then “ON” or
cycling the thermostat will not reset a hard lockout condition.
Wait until the display shows the temperatures on screen before
pushing the reset button when the ignition module is in a hard
lockout.
The Dynaforce® Controller will go into an alert condition, for
example, if the supply sensor is disconnected, flow switch, or
air switch are not made. If the fault is not corrected, the boiler
will stay in an alert condition. Once the fault is corrected, the
boiler will automatically return to normal operating state.
5.8 DYNAFORCE® CONTROLLER
Table 11: Connector Description
Connector Connector Description
J1 Flame Sensor, Ground Rod
J2
Fan Modulation (DR300 – 1000)
J3 Display, Lead lag, Modbus Comm.
J4
24VAC Power, Pump, VFD
J5 Gas Valve, Safety Interlock String
J6 Safety Annunciation, Remote Operator
J8
24VAC Power, Inlet, Outlet Sensor
J9 DHW, Stack Sensor
5.9 ERROR TABLE
The following tables provide a description of all the
possible errors with the Dynaforce® appliance. Errors can
be divided into two groups. Alert errors (will disappear
when error is gone) and lockout errors (can only be reset
by the RESET button).
When the control is in error the pump will be running. This
is done to prevent the freezing of the central heating circuit
when the boiler is in error during the winter period. For
some non-volatile lockouts the pump will not be running,
see table below for more details.
Table 12: Lockout codes
# Description
1 Unconfigured safety data
2 Waiting for safety data verification
3-46 Internal Fault. Replace SOLA Controller
47 Flame rod to ground leakage
48 Static Flame
49 24VAC low/high
50 Modulation Fault
64 Fan speed not proved, ignition failure
67 Interlock Off, safety circuit is open
79 Heater Outlet high limit tripped
81 Delta T Limit
82
Stack limit tripped (PVC: 149
o
F, CPVC: 194
o
F,
250
o
F)
91 Inlet sensor fault
92 Outlet sensor fault
93 DHW sensor fault
94 Header sensor fault
95 Stack sensor fault
96 Outdoor sensor fault
105 Flame detected out of sequence
106
Flame lost if Main Flame Establishing Period
(MFEP)
107 Flame lost early in run
108 Flame lost in run
109,
110
Ignition failed
112 Pilot test flame timeout
113 Flame circuit timeout
149 Flame detected
* If an internal hardware error is detected contact Camus®
technical support for troubleshooting procedure.