Dunkirk 95M-200 Manuel utilisateur

Quick Guide

for Set-up

and Operation

95M-200

Natural or Propane Gas-fired

Modulating Condensing Boiler

Part #240006282 Rev. 1.0 - 9/06

▲

WARNING

Revise boiler control parameters only if you fully understand the

purpose and result of the changes. Tampering with the control

settings in this manual will void the warranty and can result in

unreliable operation, with possible severe personal injury,

death, or substantial property damage. Refer to PN240006105

Parameter Guide, for full details.

Setting Up the Boiler:

This boiler is designed to operate at the combustion levels in the table below.

When setting up the boiler, make sure that the combustion results are within

the parameters listed below. The rate will change with external variables

such as ambient temperature, altitude and gas calorific value.

See manual 240006103 for more details on setting up the boiler.

Venting Requirements:

Do not run the exhaust or combustion air vent pipe through an unheated space.

See manual 240005103 for details on vent pipe requirements.

%CO2%O2CO ppm

Lower Limit Upper Limit Lower Limit Upper Limit Lower Limit Upper Limit

Natural Gas 9.0% 10.0% 4.5% 5.5% 0 80

Propane Gas 10.5% 11.5% 3.5% 4.5% 0 80

Natural Gas 4” min. w.c. 10” max. w.c.

Propane Gas 10” min. w.c. 14” max. w.c.

GAS SUPPLY PRESSURE

Select Parameter Definitions (see manual 240006105 for full list) See pages 6 & 7 for Factory Settings

DEFAULT LOWER UPPER

PARAMETER

NAME DESCRIPTION VALUE LIMIT LIMIT

1T3 Set DHW target temperature (See Parameter 33) 150˚F 68˚F 158˚F

2DHW System 01 = ON DISPLAY-01 N/A N/A

3CH System 01 = ON DISPLAY-01 N/A N/A

4* T1 Top Maximum target supply water temperature 180˚F 68˚F 182˚F

5* T1 Foot Minimum target supply water temperature 120˚F 60˚F 140˚F

6* T4 Minimum Outside temp at which the target supply

temperature is at maximum 0˚F -4˚F 50˚F

7* T4 Maximum Outside temp at which the target supply

temperature is at minimum 60˚F 60˚F 78˚F

33 T Plus This value plus parameter 1 equals the

DHW set point. 30˚F 0˚F 54˚F

*Parameters 4-7 define the boilers Outdoor Reset Curve. See pages 6 & 7 for examples of the Outdoor Reset Curve.

Outdoor Reset Overview

60˚ F

(P7)

0˚ F

(P6)

120˚ F

(P5)

180˚ F

(P4)

120˚: 190 Btu/hr.

150˚: 370 Btu/hr.

180˚: 560 Btu/hr.

Outdoor

Temp.

Boiler Water Temp.

* Baseboard output:

MODULATION CURVE

NOTE: Domestic priority

will override outdoor reset

EXAMPLE 1 (Factory Settings) P7, P6, P5 & P4

Radiant Outdoor Reset

60˚ F

(P7)

0˚ F

(P6)

85˚ F

(P5)

110˚ F

(P4)

180

Outdoor

Temp.

Boiler Water Temp.

P1=150˚ F Plus P33=30˚ F Equals 180˚ F Boiler Water

Temperature for Domestic

NOTE: Domestic priority

will override outdoor reset

EXAMPLE 2 (Low Water Temperature System)

Boiler Display Key Pad Operation:

Changing a parameter

Using the six buttons on the front of the boiler (see next page for illustration) and the proper code,

the boiler can be both monitored and modified using the digital display.

Perform the following steps with the boiler powered on and in standby [STBY] mode: (STBY will

appear only momentarily followed by 0.(boiler temp), i.e. 0.120

1. Press and hold the "STEP" button.

2. While holding the "STEP" button down, press and hold the "MODE" button.

3. Hold both buttons down together for several seconds until [CODE] appears on the display.

4. Release "STEP" and "MODE" buttons. [CODE] will stay lit on the display.

NOTE: If [CODE] is not displayed after several seconds, release "STEP" and "MODE" buttons

and press "MODE" several times to return display to [STBY]. Then repeat steps 1-4 again.

5. Press the "STEP" button once (C "xx" will appear, i.e. C 17)

6. Adjust the number displayed to [C-05] by using the "+" and "–" buttons.

7. Press the "STORE" button.

IMPORTANT:The boiler control will automatically exit [CODE] mode

after 10 minutes of no activity.

18. Press the "MODE" button several times until [PARA] is displayed.

19. Press the "STEP" button several times until [P-XX] is displayed. The XX represents the parameter

that will be changed (i.e. P-05). The parameter’s value will then be displayed.

10. Use the "+" or "–" buttons to set the desired value.

11. Press the "STORE" button. Steps 9-11 can now be repeated for additional parameter changes

or continue to step 12 to exit.

12. Press the "RESET" button to exit.

Boiler Status and Soft Lockout Codes

See manual 240006104 for complete details on Boiler Status Codes and Soft Lockouts.

STANDBY MODE - BOILER SEQUENCE DISPLAY

After display shows Stby for a brief period, the first character shows boiler status, followed by boiler outlet water temp. If the burner is being held off

due to a soft lockout, the display alternates between showing "9" followed by boiler outlet water temp. and "b" followed by the two-digit codes below.

Soft lockout means the boiler will start again automatically if the condition is corrected or timed out

Press [RESET] button to restart boiler without waiting for timeouts below.

First Other Boiler Status First Code Boiler is in soft lockout when "9" or "b" shown.

Digit Digits Digit # Reason for boiler soft lockout is:

"9" alternating with "b"

Actual (measured) outlet water temperature

0Standby - no call for heat _18 Outlet temp. too high (over 203°F). Burner off until

outlet water temp. drops 9°F below target temp.

1Pre-purge (10 seconds) or

Return temp. too high (over 203°F). Burner off until both outlet

Post-purge (15 seconds) _19 and return water temp. drops 9°F below target temp.

2Ignition

3Burner on for CH heating _24 Return temp. higher than supply temp.

Burner off waiting for correction.

4Burner on for DHW heating _25 Outlet water temp. rose too quickly. Burner off 10 min. (burner

recycles, increasing wait 1 min. each attempt to max. 15 min.)

5Checking airflow before prepurge _26 Aquastat contacts open or LWCO contacts open.

Burner off because temperature setting _29 Blower signal not 0 when it should be.

6has been reached Burner off until signal condition terminates.

Temp. rise across boiler more than 58°F. Burner off

7Pump on after CH heating cycle _30 for 2_ minute wait (plus 1 minute for each failed attempt,

for run-on of 10 seconds up to max. of 22 minutes each time).

8Pump on after DHW heating cycle _61 Air pressure switch does not open.

for run-on of 30 seconds

HBurner on, running in high fire mode _65 Waiting for blower to start.

(manually set for test)

LBurner on, running in low fire mode

(manually set for test)

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